Eec iv codes

Technical notes on EEC IV MCU (80 pages PDF document) eec-info.zip: Miscellaneous EEC IV info (diagnostic codes, wiring, etc) eecsk111.zip: EECSucka - a ROM dumper for the EEC-IV (schematics, DOS executable) asm8061_100.zip: Intel 8061 assembler (Win32 executable and C source code) dis8061_115.zip Many of the supported EEC-IV catch codes have not been entered, but we will add them as time permits. Select Year Select Model Or enter the PCM's Calibration Code to locate: Catch Code: See below for information on the location of the EEC/PCM in various vehicle models, the catch code (Yellow Circle) and hardware code (Black Oval) location. ...Lincoln Mark VII EECIV Codes Self Test Range 22Manifold Absolute Pressure/Barometric Pressure Sensor Out Of Self Test Range C/O/R 23Throttle Position Sensor Out Of Self Test Range C/O/R Fuel Injector Pump Lever Sensor Input Is Out Of Self Test Range (Diesel)As you know, the EEC-IV has available a variety of self-tests, and trouble-shooting procedures. I'm not going into the procedure here, as many others have written excellent articles on the procedure and the codes themselves. This project gives the driver the ability to check his codes from the driver's seat, at any time. Jan 04, 2008 · 14 - Pip circuit failure. 15 - PCM read only memory test failed. 15 - PCM keep alive memory test failed. P0121 In-Range Operating Throttle Position Sensor circuit failure. P0122 Throttle Position Sensor circuit Low Input. P0123 Throttle Position Sensor circuit High Input. P0125 Insufficient Coolant Temperature to enter Closed Loop. Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. EEC IV Diagnosis Codes follow self test Codes can be read l Manually Watch MIL l Hook up meter l Star II l Other scan tool l Notice the safety glasses Slow and Fast Codes Slow codes can be read with pulsing meter or MIL Fast codes can be read by scan tool Fast codes precede slow and look like a momentary flashing. EEC IV Diagnosis Codes follow self test Codes can be read l Manually Watch MIL l Hook up meter l Star II l Other scan tool l Notice the safety glasses Slow and Fast Codes Slow codes can be read with pulsing meter or MIL Fast codes can be read by scan tool Fast codes precede slow and look like a momentary flashing. eec-iv diagnostic codes 11 - system pass 12 - rpm unable to reach upper test limit 13 - rpm unable to reach lower test limit 14 - pip circuit failure 15 - pcm read only memory test failed 15 - pcm keep alive memory test failed 16 - idm signal not received 18 - spout circuit open or spark angle word failure 18 - idm circuit failure or spout …May 01, 2003 · In addition to alerting the vehicle operator, the “Check Engine “light can be used to retrieve EEC IV fault codes. This can be done without the use of a scan tool and is a convenient way to perform Ford ‘s “Key-on, engine off “ (KOEO), and “Key-on, engine running “ (KOER)tests. For those of you that are working on a 1984-87 ... Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. The 2.9L 12 Valve and also possibly the very early 2.5 TDi utilise the EEC IV PCM, this does allow for diagnostics via the Star Code system, sometimes referred to as On Board Diagnostics 1 (OBD1). Although this system is not as versatile as OBD2, it does allow the reporting of fault codes from the PCM, these fault codes refer to various sensors ... The EEC-IV adapter board kit allows you to install MegaSquirt into virtually any Ford vehicle that uses an EEC-IV computer, without cutting a single wire. Ford used the EEC-IV ECU from 1983 until 1995 in many of their US-market cars, including the 5.0 Mustang, Thunderbird Turbo Coupe, Merkur XR4Ti, pickup trucks, and countless Escorts, Tauruses ... This self test procedure might be the same for 1983-1995 fords with the eec-iv system. The vehicle in the video was a 1992 f150. Not all vehicles will requir... eec-iv diagnostic codes 11 - system pass 12 - rpm unable to reach upper test limit 13 - rpm unable to reach lower test limit 14 - pip circuit failure 15 - pcm read only memory test failed 15 - pcm keep alive memory test failed 16 - idm signal not received 18 - spout circuit open or spark angle word failure 18 - idm circuit failure or spout …The following is a list of codes for the Ford EEC IV diagnostic test ONLY (1989-1997 Thunderbird & Cougar). These codes are not to be used for any other type of computer. These codes will help in the diagnosis of any problems you may have with your car. Some cars, (depending on year) give a 2 digit code, others give a 3 digit code, make sure ...The correct codes might be: 111-System pass. Meaning the EEC processor itself has no internal faults. 172-Lack of oxygen sensor (HEGO) switches indicates lean on bank 1. Meaning the oxygen sensor is not responding to changes in fuel mixture.In addition to alerting the vehicle operator, the "Check Engine "light can be used to retrieve EEC IV fault codes. This can be done without the use of a scan tool and is a convenient way to perform Ford 's "Key-on, engine off " (KOEO), and "Key-on, engine running " (KOER)tests. For those of you that are working on a 1984-87 ...Ford EEC-IV/TFI-IV Electronic Engine Control Troubleshooting. Your Ranger/Bronco II is stalling/dieing or sputtering when hot but runs when it cools off. This can be caused by a faulty TFI and the biggest culprits are heat. Another culprit can be a wire grounding out. Problematic TFI's can give off codes 14 (PIP) and 18 (SPOUT).o. This self test procedure might be the same for 1983-1995 fords with the eec-iv system. The vehicle in the video was a 1992 f150. Not all vehicles will requir... See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off. EEC-IV-disassembler. Semi Automatic Disassembler for Ford EEC-IV and V binaries. NOTE - this code is intended to help understand only how each EEC works, not as a tuning or commercial tool. Split into separate subdirectories. Latest Stable Version is 4.0.6. Docs subdirectory. Jan 09, 2016 · Actually, not true at all. EEC-V computers were available for TFI-IV (distributor) ignitions. The hardware family is ML1-441 they ran strategies AGANN under calibration codes FEZ2, DUO2, YAZ3, among others. The FORD EEC-IV scanner interface board can be made independently or a ready module can be found, for example: Crumb128 V4 USB RS485 Modul with bootloader and quartz 16.0000MHz on chip45.com The first part of the code for AVR controller was creating in Assembly language. The Ford EEC contains a PROM (Programmable Read Only Memory) to permanently store the OEM calibration (the stock tune). The EEC-IV EPROM is difficult to re-write, though it is possible, it is not something that would be useful as a commercial product for our target market. The EEC-V (1996 to 2004) uses an EEPROM, which can be reasonably erased ... the time. I also get Code 211 from time to time, usually when the engine. completely cuts out while driving. Here is the info on the car: 1995 Mustang GT (5.0L) with Auto. The car is more or less stock (changed the exhaust and. radiator for performance parts) I also (much more frequently) get lean codes. Feb 08, 2002 · Discussion Starter · #1 · Feb 8, 2002. EEC IV codes help??? i just scanned my 93 gt & these r the codes i got. 34, egr valve position sensor or pressure feedback egr voltage high or sensor fault. 81, air management system 2 or inlet air control circuit failure or boost pump fail. iv already changed the egr valve sensor, but the code still ... Neutral 0V-0.1V, In gear 5Volts. 31. Canister Purge. 8V-10V with Engine Running. 32. Not Used. 33. EGR Solenoid (Unleaded) Voltage Pulse @ 1800 RPM.Diagnostic Service Codes EEC-lV System Ford Vehicles Model Years 1984 through 1986. By Mike Fleming. Direct Links: 1984 EEC-IV Codes. 1985 EEC-IV Codes . 1986 EEC-IV Codes. 1984 EEC-lV Service Codes: 11 SYSTEM " PASS " 12 RPM OUT OF SPEC (EXTENDED IDLE) 13 RPM OUT OF SPEC (NORMAL IDLE) The Ford EEC contains a PROM (Programmable Read Only Memory) to permanently store the OEM calibration (the stock tune). The EEC-IV EPROM is difficult to re-write, though it is possible, it is not something that would be useful as a commercial product for our target market. The EEC-V (1996 to 2004) uses an EEPROM, which can be reasonably erased ... Jun 11, 2008 · If you have any other questions please do not hesitate to reply to this e-mail or call one of our ASE Certified Staff Members at 1-800-544-4124. We are available Monday through Friday 5am - 6pm Pacific Time. - Technical Support. I also called them, they said it does not work beyond 1995 and on vehicles over 8500 GVW. Ford EEC-IV/OBD2 – TroubleCodes.net Ford OBD/OBD2 Codes >> Ford EEC-IV/OBD2 EEC-IV C—Continuous memory code. O—Key On, engine Off self test code. R—Engine running self test code. 0 Article Rating Subscribe Login This site uses Akismet to reduce spam. Learn how your comment data is processed. 1 Comment most voted Frank A Castillo 1 year ago Jun 30, 2011 · 17. Visit site. Jun 30, 2011. #1. I have a 93 GT with a recently rebuilt 306 engine. I pulled some ECC-IV codes and i have a few questions about the codes: Code 15 O (KOEO) - Read Only Memory Test Failed. My ECC-IV has a SCT custum tune chip conneted. Fault Code Diagnostics for EEC IV(obd-1) Here I hope is the definitive list of Fault codes for the EEC IV. compiled this from several sources Folks with cars later than mid 95 have the EEC V unit and should visit http://www.obd-2.com./ Command Codes for EEC IV Fault Codes for EEC IV E-Mail me with any questions>>> [email protected]'s box (3.25x2.125x1.125) p/n 270-230 $1.47 4-wire disconnect p/n 270-027 $2.49 Snap-in lamp assembly p/n 272-332C (two pack, but you only need one) $1.99 SPST Rocker switch p/n 275-690 (2) $1.99 ea color-coded wires (3 or 4 colors) $3.98 Total: $9.93 (plus tax) Take the plate from the project box, hold it so that the longTechnical notes on EEC IV MCU (80 pages PDF document) eec-info.zip: Miscellaneous EEC IV info (diagnostic codes, wiring, etc) eecsk111.zip: EECSucka - a ROM dumper for the EEC-IV (schematics, DOS executable) asm8061_100.zip: Intel 8061 assembler (Win32 executable and C source code) dis8061_115.zip In parenthesis after the code itself will be flags for the tests during which it may occur: "o" for KOEO, "r" for KOER, and "c" for continuous or memory codes. Codes flagged with an asterisk will cause the MIL (Malfunction Indicator Light, better known as the Check Engine light) to come on. EEC-IV Diagnostic Codes, Rev. 1.2 12/27/94Sep 22, 2021 · I don't but I've probably run this test 500 times in the last 25 years over various EEC-IV cars/trucks so I'm 1000% that is the code. I've pulled codes on this RV alone about 50 times this week while tracking down the EGR code I fixed on Tuesday. If you do run codes I'd love to hear your feedback on if you got a 536. The correct codes might be: 111-System pass. Meaning the EEC processor itself has no internal faults. 172-Lack of oxygen sensor (HEGO) switches indicates lean on bank 1. Meaning the oxygen sensor is not responding to changes in fuel mixture.Sep 22, 2021 · I don't but I've probably run this test 500 times in the last 25 years over various EEC-IV cars/trucks so I'm 1000% that is the code. I've pulled codes on this RV alone about 50 times this week while tracking down the EGR code I fixed on Tuesday. If you do run codes I'd love to hear your feedback on if you got a 536. You will get a series of two or three digit codes depending on your vehicle. Your codes will be displayed as a series of flashes and pauses. For instance a code 23 would look sort of like this… Flash, flash, pause, flash, flash, flash A code 9 would look like this… Flash, Flash, Flash, Flash, Flash, Flash, Flash, Flash, Flash, Easy, huh?CODE TYPES AND FORMATS . TYPES OF CODES. NOTE: Some people have problems distinguishing the different codes. READ THIS SECTION CAREFULLY. There are drawings of the code formats at the end of this section. ... EEC IV vehicles have two connectors for self testing the system. They are located on the firewall or the left or right front fender.The EEC-IV equipped engines use an older diagnostic system to monitor and report engine related malfunctions. This system is known as On Board Diagnostics (OBD-I). The Diagnostic Trouble Codes (DTC’s) are two or three digit numbers and can be read through the use of a scan tool, an analog voltmeter, or with the Malfunction Indicator Light ... The following is a list of codes for the Ford EEC IV diagnostic test ONLY (1989-1997 Thunderbird & Cougar). These codes are not to be used for any other type of computer. These codes will help in the diagnosis of any problems you may have with your car. Some cars, (depending on year) give a 2 digit code, others give a 3 digit code, make sure ...70 EEC IV Data transaxle Circuit Failed (3.8L SFI) C Idle tracking Switch Closed On Pre-Position (1.9L, 2.3L & 2.5L CFI) C Software Re-Initialization Detected (1.9L EFI) C 71 Cluster center Control Circuit Failed (3.8L SFI) C Insufficient Manifold Absolute Pressure/Mass Air Flow Change During Dynamic Response Test R Oct 02, 2015 · The 1986-1993 Ford Mustang’s EEC-IV has the capability to manually test for codes. Not just that, but you can also check the Continuous Memory codes that are stored in the system. *Note that this information is for car EEC-IV systems. Truck codes may differ. Consult your vehicle's service manual for detailed meaning related to your vehicle. Test conditions: O= Key on Engine Off (KOEO) R= Key on Engine Running (KOER) C= Continuous Memory Code Test Meaning Code Test Meaning Code Test Meaning 11 O,R,CSystem OK 12 13 14 15 15 16eec-iv diagnostic codes 11 - system pass 12 - rpm unable to reach upper test limit 13 - rpm unable to reach lower test limit 14 - pip circuit failure 15 - pcm read only memory test failed 15 - pcm keep alive memory test failed 16 - idm signal not received 18 - spout circuit open or spark angle word failure 18 - idm circuit failure or spout …The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop.Jun 30, 2014 · Posts: 7. EEC IV 94 Ranger 4.0 EEC-no codes. Symptoms: 1. CEL/MIL on continuously when ign. on or running: Can retrieve no codes or even engine ID from CEL/MIL using proper jumper, brake, park, level parameters. 2. Fuel pump runs continuously with ign. on or running- pressure adequate apparently without gauge <don't have a high pressure gauge ... The FORD EEC-IV scanner interface board can be made independently or a ready module can be found, for example: Crumb128 V4 USB RS485 Modul with bootloader and quartz 16.0000MHz on chip45.com The first part of the code for AVR controller was creating in Assembly language. In parenthesis after the code itself will be flags for the tests during which it may occur: "o" for KOEO, "r" for KOER, and "c" for continuous or memory codes. Codes flagged with an asterisk will cause the MIL (Malfunction Indicator Light, better known as the Check Engine light) to come on. EEC-IV Diagnostic Codes, Rev. 1.2 12/27/94Jun 11, 2008 · If you have any other questions please do not hesitate to reply to this e-mail or call one of our ASE Certified Staff Members at 1-800-544-4124. We are available Monday through Friday 5am - 6pm Pacific Time. - Technical Support. I also called them, they said it does not work beyond 1995 and on vehicles over 8500 GVW. EEC-IV Computer Codes: These codes are applicable only to some 1991 and up vehicles. Note: Some codes are for specific model cars only, so disregard anything about 1.9L cars...LOL Differences in test mode noted as: (O) =Key On Engine Off test (R) =Key On Engine Running test (M) =Memory code 111 System checks OKFeb 08, 2002 · Discussion Starter · #1 · Feb 8, 2002. EEC IV codes help??? i just scanned my 93 gt & these r the codes i got. 34, egr valve position sensor or pressure feedback egr voltage high or sensor fault. 81, air management system 2 or inlet air control circuit failure or boost pump fail. iv already changed the egr valve sensor, but the code still ... You will get a series of two or three digit codes depending on your vehicle. Your codes will be displayed as a series of flashes and pauses. For instance a code 23 would look sort of like this… Flash, flash, pause, flash, flash, flash A code 9 would look like this… Flash, Flash, Flash, Flash, Flash, Flash, Flash, Flash, Flash, Easy, huh?Jun 11, 2008 · If you have any other questions please do not hesitate to reply to this e-mail or call one of our ASE Certified Staff Members at 1-800-544-4124. We are available Monday through Friday 5am - 6pm Pacific Time. - Technical Support. I also called them, they said it does not work beyond 1995 and on vehicles over 8500 GVW. In addition to alerting the vehicle operator, the "Check Engine "light can be used to retrieve EEC IV fault codes. This can be done without the use of a scan tool and is a convenient way to perform Ford 's "Key-on, engine off " (KOEO), and "Key-on, engine running " (KOER)tests. For those of you that are working on a 1984-87 ...You will get a series of two or three digit codes depending on your vehicle. Your codes will be displayed as a series of flashes and pauses. For instance a code 23 would look sort of like this… Flash, flash, pause, flash, flash, flash A code 9 would look like this… Flash, Flash, Flash, Flash, Flash, Flash, Flash, Flash, Flash, Easy, huh?The following is a list of codes for the Ford EEC IV diagnostic test ONLY (1989-1997 Thunderbird & Cougar). These codes are not to be used for any other type of computer. These codes will help in the diagnosis of any problems you may have with your car. Some cars, (depending on year) give a 2 digit code, others give a 3 digit code, make sure ...Procedure for EEC-IV Quick Tests. There are two tests in the EEC-IV Quick Tests: Key-On, Engine Off (KOEO) and Key-On, Engine Running (KOER). Before running the test, you must establish these conditions: To run the tests, you must locate the EEC-IV test connectors. In the '89-'95 Taurus SHO, these are in the engine compartment, right between ... Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. The FORD EEC-IV scanner interface board can be made independently or a ready module can be found, for example: Crumb128 V4 USB RS485 Modul with bootloader and quartz 16.0000MHz on chip45.com The first part of the code for AVR controller was creating in Assembly language. May 04, 2000 · The correct codes might be: 111-System pass. Meaning the EEC processor itself has no internal faults. 172-Lack of oxygen sensor (HEGO) switches indicates lean on bank 1. Meaning the oxygen sensor is not responding to changes in fuel mixture. Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. EEC-IV Computer Codes: 2 Digit Codes: (O) = Key On Engine Off test (R) = Key On Engine Running test (M) = Memory code Note: Some codes may only be for certain model cars. So if you see something about 1.9L cars disregard it. 11 System checks OK - 12 Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - The Ford EEC or Electronic Engine Control is a series of ECU (or Engine Control Unit) that was designed and built by Ford Motor Company. The first system, EEC I, used processors and components developed by Toshiba in 1973. It began production in 1974, and went into mass production in 1975. It subsequently went through several model iterations.Command Codes for EEC IV. CODE MEANING ACTION; 010: Separator/Command Code: Momentarily depress accelerator pedal fully: 020: Command Code: Momentarily depress brake ... Experimenter's box (3.25x2.125x1.125) p/n 270-230 $1.47 4-wire disconnect p/n 270-027 $2.49 Snap-in lamp assembly p/n 272-332C (two pack, but you only need one) $1.99 SPST Rocker switch p/n 275-690 (2) $1.99 ea color-coded wires (3 or 4 colors) $3.98 Total: $9.93 (plus tax) Take the plate from the project box, hold it so that the longJun 30, 2014 · Posts: 7. EEC IV 94 Ranger 4.0 EEC-no codes. Symptoms: 1. CEL/MIL on continuously when ign. on or running: Can retrieve no codes or even engine ID from CEL/MIL using proper jumper, brake, park, level parameters. 2. Fuel pump runs continuously with ign. on or running- pressure adequate apparently without gauge <don't have a high pressure gauge ... 1995 EEC-IV Engine Codes (incl. Zetec and Duratec) 111 System Pass 112 Intake Air Temperature Sensor Circuit Below Minimum Voltage 113 Intake Air Temperature Sensor Circuit Above Maximum Voltage 114 Intake Air Temperature Sensor Higher Or Lower Than Expected 116 Engine Coolant Temperature Higher ...This self test procedure might be the same for 1983-1995 fords with the eec-iv system. The vehicle in the video was a 1992 f150. Not all vehicles will requir... This self test procedure might be the same for 1983-1995 fords with the eec-iv system. The vehicle in the video was a 1992 f150. Not all vehicles will requir... Nov 06, 2018 · 160 Posts. #2 · Nov 6, 2018 (Edited) There was a change between 95 & 96 concerning the EEC-IV and the transmission. Spike protection was moved from the 95 transmission solenoid pack to the 96 EEC-IV. So you can't go back in years. And the transmission wiring harness connectors are different. It's my understanding that the gray TFI belongs on ... Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. Jul 23, 2007 · The EEC-IV system uses a strategy requiring a failure to occur consistently for at least six seconds in order for a fault code to be recorded in memory. On the other hand, the illumination of the “Check Engine” light does not require the fault to be present that long. The EEC-IV adapter board kit allows you to install MegaSquirt into virtually any Ford vehicle that uses an EEC-IV computer, without cutting a single wire. Ford used the EEC-IV ECU from 1983 until 1995 in many of their US-market cars, including the 5.0 Mustang, Thunderbird Turbo Coupe, Merkur XR4Ti, pickup trucks, and countless Escorts, Tauruses ... See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off. The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop.eec-iv diagnostic codes 11 - system pass 12 - rpm unable to reach upper test limit 13 - rpm unable to reach lower test limit 14 - pip circuit failure 15 - pcm read only memory test failed 15 - pcm keep alive memory test failed 16 - idm signal not received 18 - spout circuit open or spark angle word failure 18 - idm circuit failure or spout …See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off. EEC-IV Computer Codes: 2 Digit Codes: (O) = Key On Engine Off test (R) = Key On Engine Running test (M) = Memory code Note: Some codes may only be for certain model cars. So if you see something about 1.9L cars disregard it. 11 System checks OK - 12 Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - May 04, 2000 · The correct codes might be: 111-System pass. Meaning the EEC processor itself has no internal faults. 172-Lack of oxygen sensor (HEGO) switches indicates lean on bank 1. Meaning the oxygen sensor is not responding to changes in fuel mixture. #2 · Dec 27, 2006 15=rom test failure/power inturupt to computer memory 66=no mass air flow sensor signal 85=canisterpurge circut or transmission shift control cicut/excessive fuel pressure or flow 98=repeat test sequence New addition: 1986 GT t-tops 5.0L 5speed, intake, exhaust,9mm plug wiresThe Ford EEC or Electronic Engine Control is a series of ECU (or Engine Control Unit) that was designed and built by Ford Motor Company. The first system, EEC I, used processors and components developed by Toshiba in 1973. It began production in 1974, and went into mass production in 1975. It subsequently went through several model iterations.For example code 58. A vehicle with a VAT sensor will not have an Idle Tracking Switch. Differences in test mode noted as: (KOEO) = Key On Engine Off test (KOER) = Key On Engine Running test (Mem) = Memory code 11 System checks OK - 12 Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - ISC EEC-IV Computer Codes: These codes are applicable only to some 1991 and up vehicles. Note: Some codes are for specific model cars only, so disregard anything about 1.9L cars...LOL Differences in test mode noted as: (O) =Key On Engine Off test (R) =Key On Engine Running test (M) =Memory code 111 System checks OK Mar 07, 2005 · 512 - Keep Alive Memory test failed. 212 - Loss of TACH input to ECA; SPOUT circuit grounded. KOER. 122 - Throttle Position Sensor (TPS) below minimum voltage. 998 - Hard fault present. The code 512 indicates an open pcm pin, a disconnected B+ (pin1 if i recall right) or a faulty PCM. 1 - 4 of 4 Posts. In addition to alerting the vehicle operator, the "Check Engine "light can be used to retrieve EEC IV fault codes. This can be done without the use of a scan tool and is a convenient way to perform Ford 's "Key-on, engine off " (KOEO), and "Key-on, engine running " (KOER)tests. For those of you that are working on a 1984-87 ...Top 10 Eec Iv Code Reader Reviews 2022 1. INNOVA 3145 Ford Digital OBD1 Code Reader Product Details Includes instructions for OBD1 operation and all Ford self-tests Memory feature stores codes even when the reader is unplugged Compatible with MCU and the EEC-IV computer control systems Works on most Ford Check On AmazonFault Code Diagnostics for EEC IV(obd-1) Here I hope is the definitive list of Fault codes for the EEC IV. compiled this from several sources Folks with cars later than mid 95 have the EEC V unit and should visit http://www.obd-2.com./ Command Codes for EEC IV Fault Codes for EEC IV E-Mail me with any questions>>> [email protected] Technical Notes: Introduction 1 last edited: 9/29/98 TECHNICAL NOTES ON THE EEC-IV MCU INTRODUCTION Compiled by Tom Cloud <[email protected]> ... 4-22-1997 8096_CPU.DOC 8096 op-codes, etc 11-26-1997 112601.pdf 9-3-1998 Eectch98-Intro.pdf rev 2 Eectch98-Part1.pdf Eectch98-Part2.pdf Eectch98-Part3.pdf Eectch98-Part4.pdfJun 11, 2008 · If you have any other questions please do not hesitate to reply to this e-mail or call one of our ASE Certified Staff Members at 1-800-544-4124. We are available Monday through Friday 5am - 6pm Pacific Time. - Technical Support. I also called them, they said it does not work beyond 1995 and on vehicles over 8500 GVW. Technical notes on EEC IV MCU (80 pages PDF document) eec-info.zip: Miscellaneous EEC IV info (diagnostic codes, wiring, etc) eecsk111.zip: EECSucka - a ROM dumper for the EEC-IV (schematics, DOS executable) asm8061_100.zip: Intel 8061 assembler (Win32 executable and C source code) dis8061_115.zip The FORD EEC-IV scanner interface board can be made independently or a ready module can be found, for example: Crumb128 V4 USB RS485 Modul with bootloader and quartz 16.0000MHz on chip45.com The first part of the code for AVR controller was creating in Assembly language. Jun 30, 2014 · Posts: 7. EEC IV 94 Ranger 4.0 EEC-no codes. Symptoms: 1. CEL/MIL on continuously when ign. on or running: Can retrieve no codes or even engine ID from CEL/MIL using proper jumper, brake, park, level parameters. 2. Fuel pump runs continuously with ign. on or running- pressure adequate apparently without gauge <don't have a high pressure gauge ... the time. I also get Code 211 from time to time, usually when the engine. completely cuts out while driving. Here is the info on the car: 1995 Mustang GT (5.0L) with Auto. The car is more or less stock (changed the exhaust and. radiator for performance parts) I also (much more frequently) get lean codes. The correct codes might be: 111-System pass. Meaning the EEC processor itself has no internal faults. 172-Lack of oxygen sensor (HEGO) switches indicates lean on bank 1. Meaning the oxygen sensor is not responding to changes in fuel mixture.There are two methods of erasing fault codes with EEC-IV, disconnect the battery, and interrupt the KOEO self test in the middle by disconnecting the jumper wire. A dirty connection may accidentally erase your codes before you read them. To initiate a self test, jump STI to SIG RTN.Retrieving the EEC diagnostic codes can be done with a Ford EEC IV “flashing light” code scanner available at most auto parts stores for about $30 to $40, but you can retrieve the codes without buying a code scanner. This can be done by using a jumper wire and your check engine light, if your car has one, or a jumper wire and an analog ... Jan 26, 2012 · P0113. IAT Circuit High Input. P0117. ECT Circuit Low Input. P0118. ECT Circuit High Input. P0121. TP Sensor Circuit Performance Problem. P0122. The Ford EEC contains a PROM (Programmable Read Only Memory) to permanently store the OEM calibration (the stock tune). The EEC-IV EPROM is difficult to re-write, though it is possible, it is not something that would be useful as a commercial product for our target market. The EEC-V (1996 to 2004) uses an EEPROM, which can be reasonably erased ... Mar 07, 2005 · 512 - Keep Alive Memory test failed. 212 - Loss of TACH input to ECA; SPOUT circuit grounded. KOER. 122 - Throttle Position Sensor (TPS) below minimum voltage. 998 - Hard fault present. The code 512 indicates an open pcm pin, a disconnected B+ (pin1 if i recall right) or a faulty PCM. 1 - 4 of 4 Posts. For example code 58. A vehicle with a VAT sensor will not have an Idle Tracking Switch. Differences in test mode noted as: (KOEO) = Key On Engine Off test (KOER) = Key On Engine Running test (Mem) = Memory code 11 System checks OK - 12 Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - ISC Fault Code Diagnostics for EEC IV(obd-1) Here I hope is the definitive list of Fault codes for the EEC IV. compiled this from several sources Folks with cars later than mid 95 have the EEC V unit and should visit http://www.obd-2.com./ Command Codes for EEC IV Fault Codes for EEC IV E-Mail me with any questions>>> [email protected] 08, 2002 · Discussion Starter · #1 · Feb 8, 2002. EEC IV codes help??? i just scanned my 93 gt & these r the codes i got. 34, egr valve position sensor or pressure feedback egr voltage high or sensor fault. 81, air management system 2 or inlet air control circuit failure or boost pump fail. iv already changed the egr valve sensor, but the code still ... See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off.Neutral 0V-0.1V, In gear 5Volts. 31. Canister Purge. 8V-10V with Engine Running. 32. Not Used. 33. EGR Solenoid (Unleaded) Voltage Pulse @ 1800 RPM.What does EEC IV mean? Reset the idle programming per the following. Disconnect the negative battery terminal. Turn on the headlight switch. Wait at least 10 minutes. Turn off headlight switch. Reconnect the negative battery terminal. Start engine normally (never press on the gas pedal). How do I reset my Ford code?Diagnostic Service Codes EEC-lV System Ford Vehicles Model Years 1984 through 1986. By Mike Fleming. Direct Links: 1984 EEC-IV Codes. 1985 EEC-IV Codes . 1986 EEC-IV Codes. 1984 EEC-lV Service Codes: 11 SYSTEM " PASS " 12 RPM OUT OF SPEC (EXTENDED IDLE) 13 RPM OUT OF SPEC (NORMAL IDLE) The EEC-IV equipped engines use an older diagnostic system to monitor and report engine related malfunctions. This system is known as On Board Diagnostics (OBD-I). The Diagnostic Trouble Codes (DTC’s) are two or three digit numbers and can be read through the use of a scan tool, an analog voltmeter, or with the Malfunction Indicator Light ... Diagnostic Service Codes EEC-lV System Ford Vehicles Model Years 1984 through 1986. By Mike Fleming. Direct Links: 1984 EEC-IV Codes. 1985 EEC-IV Codes . 1986 EEC-IV Codes. 1984 EEC-lV Service Codes: 11 SYSTEM " PASS " 12 RPM OUT OF SPEC (EXTENDED IDLE) 13 RPM OUT OF SPEC (NORMAL IDLE) 1995 EEC-IV Engine Codes (incl. Zetec and Duratec) 111 System Pass 112 Intake Air Temperature Sensor Circuit Below Minimum Voltage 113 Intake Air Temperature Sensor Circuit Above Maximum Voltage 114 Intake Air Temperature Sensor Higher Or Lower Than Expected 116 Engine Coolant Temperature Higher ...Lincoln Mark VII EECIV Codes Self Test Range 22Manifold Absolute Pressure/Barometric Pressure Sensor Out Of Self Test Range C/O/R 23Throttle Position Sensor Out Of Self Test Range C/O/R Fuel Injector Pump Lever Sensor Input Is Out Of Self Test Range (Diesel)See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off.Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light, Read & Erase Fault Codes, Check Emission Monitor Status CAN Vehicles Diagnostic Scan Tool. 15,754. $1999. Save 15% with coupon. Get it as soon as Mon, Jun 20. Test Conditions and EEC-IV Codes Below: (O) =Key On Engine Off (KOEO) (R) =Key On Engine Running (KOER) (M) =Memory code (C) = Continuous memory 2 Digit Codes 3 Digit Codes (some 91+) ElectricalThe FORD EEC-IV scanner interface board can be made independently or a ready module can be found, for example: Crumb128 V4 USB RS485 Modul with bootloader and quartz 16.0000MHz on chip45.com The first part of the code for AVR controller was creating in Assembly language. The following is a list of codes for the Ford EEC IV diagnostic test ONLY (1989-1997 Thunderbird & Cougar). These codes are not to be used for any other type of computer. These codes will help in the diagnosis of any problems you may have with your car. Some cars, (depending on year) give a 2 digit code, others give a 3 digit code, make sure ... See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off. Retrieving the EEC diagnostic codes can be done with a Ford EEC IV “flashing light” code scanner available at most auto parts stores for about $30 to $40, but you can retrieve the codes without buying a code scanner. This can be done by using a jumper wire and your check engine light, if your car has one, or a jumper wire and an analog ... Jun 11, 2008 · If you have any other questions please do not hesitate to reply to this e-mail or call one of our ASE Certified Staff Members at 1-800-544-4124. We are available Monday through Friday 5am - 6pm Pacific Time. - Technical Support. I also called them, they said it does not work beyond 1995 and on vehicles over 8500 GVW. EEC-IV Computer Codes: These codes are applicable only to some 1991 and up vehicles. Note: Some codes are for specific model cars only, so disregard anything about 1.9L cars...LOL Differences in test mode noted as: (O) =Key On Engine Off test (R) =Key On Engine Running test (M) =Memory code 111 System checks OK Neutral 0V-0.1V, In gear 5Volts. 31. Canister Purge. 8V-10V with Engine Running. 32. Not Used. 33. EGR Solenoid (Unleaded) Voltage Pulse @ 1800 RPM. Jul 23, 2007 · The EEC-IV system uses a strategy requiring a failure to occur consistently for at least six seconds in order for a fault code to be recorded in memory. On the other hand, the illumination of the “Check Engine” light does not require the fault to be present that long. Mar 07, 2005 · 512 - Keep Alive Memory test failed. 212 - Loss of TACH input to ECA; SPOUT circuit grounded. KOER. 122 - Throttle Position Sensor (TPS) below minimum voltage. 998 - Hard fault present. The code 512 indicates an open pcm pin, a disconnected B+ (pin1 if i recall right) or a faulty PCM. 1 - 4 of 4 Posts. #2 · Dec 27, 2006 15=rom test failure/power inturupt to computer memory 66=no mass air flow sensor signal 85=canisterpurge circut or transmission shift control cicut/excessive fuel pressure or flow 98=repeat test sequence New addition: 1986 GT t-tops 5.0L 5speed, intake, exhaust,9mm plug wiresDiagnostic Service Codes EEC-lV System Ford Vehicles Model Years 1984 through 1986. By Mike Fleming. Direct Links: 1984 EEC-IV Codes. 1985 EEC-IV Codes . 1986 EEC-IV Codes. 1984 EEC-lV Service Codes: 11 SYSTEM " PASS " 12 RPM OUT OF SPEC (EXTENDED IDLE) 13 RPM OUT OF SPEC (NORMAL IDLE) In parenthesis after the code itself will be flags for the tests during which it may occur: "o" for KOEO, "r" for KOER, and "c" for continuous or memory codes. Codes flagged with an asterisk will cause the MIL (Malfunction Indicator Light, better known as the Check Engine light) to come on. EEC-IV Diagnostic Codes, Rev. 1.2 12/27/94#2 · Dec 27, 2006 15=rom test failure/power inturupt to computer memory 66=no mass air flow sensor signal 85=canisterpurge circut or transmission shift control cicut/excessive fuel pressure or flow 98=repeat test sequence New addition: 1986 GT t-tops 5.0L 5speed, intake, exhaust,9mm plug wiresLincoln Mark VII EECIV Codes Self Test Range 22Manifold Absolute Pressure/Barometric Pressure Sensor Out Of Self Test Range C/O/R 23Throttle Position Sensor Out Of Self Test Range C/O/R Fuel Injector Pump Lever Sensor Input Is Out Of Self Test Range (Diesel)Feb 08, 2002 · Discussion Starter · #1 · Feb 8, 2002. EEC IV codes help??? i just scanned my 93 gt & these r the codes i got. 34, egr valve position sensor or pressure feedback egr voltage high or sensor fault. 81, air management system 2 or inlet air control circuit failure or boost pump fail. iv already changed the egr valve sensor, but the code still ... The 2.9L 12 Valve and also possibly the very early 2.5 TDi utilise the EEC IV PCM, this does allow for diagnostics via the Star Code system, sometimes referred to as On Board Diagnostics 1 (OBD1). Although this system is not as versatile as OBD2, it does allow the reporting of fault codes from the PCM, these fault codes refer to various sensors ... Test Conditions and EEC-IV Codes Below: (O) =Key On Engine Off (KOEO) (R) =Key On Engine Running (KOER) (M) =Memory code (C) = Continuous memory 2 Digit Codes 3 Digit Codes (some 91+) ElectricalExperimenter's box (3.25x2.125x1.125) p/n 270-230 $1.47 4-wire disconnect p/n 270-027 $2.49 Snap-in lamp assembly p/n 272-332C (two pack, but you only need one) $1.99 SPST Rocker switch p/n 275-690 (2) $1.99 ea color-coded wires (3 or 4 colors) $3.98 Total: $9.93 (plus tax) Take the plate from the project box, hold it so that the longEEC-IV Computer Codes: These codes are applicable only to some 1991 and up vehicles. Note: Some codes are for specific model cars only, so disregard anything about 1.9L cars...LOL Differences in test mode noted as: (O) =Key On Engine Off test (R) =Key On Engine Running test (M) =Memory code 111 System checks OKOct 02, 2015 · The 1986-1993 Ford Mustang’s EEC-IV has the capability to manually test for codes. Not just that, but you can also check the Continuous Memory codes that are stored in the system. Diagnostic Service Codes EEC-lV System Ford Vehicles Model Years 1984 through 1986. By Mike Fleming. Direct Links: 1984 EEC-IV Codes. 1985 EEC-IV Codes . 1986 EEC-IV Codes. 1984 EEC-lV Service Codes: 11 SYSTEM " PASS " 12 RPM OUT OF SPEC (EXTENDED IDLE) 13 RPM OUT OF SPEC (NORMAL IDLE) Nov 06, 2018 · 160 Posts. #2 · Nov 6, 2018 (Edited) There was a change between 95 & 96 concerning the EEC-IV and the transmission. Spike protection was moved from the 95 transmission solenoid pack to the 96 EEC-IV. So you can't go back in years. And the transmission wiring harness connectors are different. It's my understanding that the gray TFI belongs on ... Diagnostic Service Codes EEC-lV System Ford Vehicles Model Years 1984 through 1986. By Mike Fleming. Direct Links: 1984 EEC-IV Codes. 1985 EEC-IV Codes . 1986 EEC-IV Codes. 1984 EEC-lV Service Codes: 11 SYSTEM " PASS " 12 RPM OUT OF SPEC (EXTENDED IDLE) 13 RPM OUT OF SPEC (NORMAL IDLE) EEC-IV-disassembler. Semi Automatic Disassembler for Ford EEC-IV and V binaries. NOTE - this code is intended to help understand only how each EEC works, not as a tuning or commercial tool. Split into separate subdirectories. Latest Stable Version is 4.0.6. Docs subdirectory. *Note that this information is for car EEC-IV systems. Truck codes may differ. Consult your vehicle's service manual for detailed meaning related to your vehicle. Test conditions: O= Key on Engine Off (KOEO) R= Key on Engine Running (KOER) C= Continuous Memory Code Test Meaning Code Test Meaning Code Test Meaning 11 O,R,CSystem OK 12 13 14 15 15 16May 01, 2003 · In addition to alerting the vehicle operator, the “Check Engine “light can be used to retrieve EEC IV fault codes. This can be done without the use of a scan tool and is a convenient way to perform Ford ‘s “Key-on, engine off “ (KOEO), and “Key-on, engine running “ (KOER)tests. For those of you that are working on a 1984-87 ... Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. EEC IV Diagnosis Codes follow self test Codes can be read l Manually Watch MIL l Hook up meter l Star II l Other scan tool l Notice the safety glasses Slow and Fast Codes Slow codes can be read with pulsing meter or MIL Fast codes can be read by scan tool Fast codes precede slow and look like a momentary flashing. the time. I also get Code 211 from time to time, usually when the engine. completely cuts out while driving. Here is the info on the car: 1995 Mustang GT (5.0L) with Auto. The car is more or less stock (changed the exhaust and. radiator for performance parts) I also (much more frequently) get lean codes. Dec 17, 2002 · The EEC calculates this time by monitoring sensors, and calculating "on" time based upon fuel flow for a 19lb fuel injector at 39 psi for a targeted air/fuel ratio that is stored in a multi-dimensional table for engine conditions as monitored from the engine sensors. There are two methods of EEC fuel control, Open Loop and Closed Loop. See code explanations and check components as necessary. Use FIRST CODE OUTPUT and retest after any repairs are made. KEY ON ENGINE RUNNING (KOER) TEST 1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes. 2. Turn ignition off and wait 10 seconds for system to shut off. May 04, 2000 · The correct codes might be: 111-System pass. Meaning the EEC processor itself has no internal faults. 172-Lack of oxygen sensor (HEGO) switches indicates lean on bank 1. Meaning the oxygen sensor is not responding to changes in fuel mixture. Jun 11, 2008 · If you have any other questions please do not hesitate to reply to this e-mail or call one of our ASE Certified Staff Members at 1-800-544-4124. We are available Monday through Friday 5am - 6pm Pacific Time. - Technical Support. I also called them, they said it does not work beyond 1995 and on vehicles over 8500 GVW. Feb 08, 2002 · Discussion Starter · #1 · Feb 8, 2002. EEC IV codes help??? i just scanned my 93 gt & these r the codes i got. 34, egr valve position sensor or pressure feedback egr voltage high or sensor fault. 81, air management system 2 or inlet air control circuit failure or boost pump fail. iv already changed the egr valve sensor, but the code still ... X_1