Title: CEL Codes EEC-IV, OBD-I and EEC-V, OBD-II
Post by MyLittlePony on Mar 22nd, 2009 at 10:01pm
1994+ V6 engines are OBD2 as well as V8 Mustangs 96+. All Mustangs thru 1993, as well as 94-95 5.Os are OBD1 Quote:EEC-IV OBD-I 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 circuit grounded 21 - ECT out of self-test range 22 - BP sensor out of self-test range 22 - BP sensor or MAP out of range 23 - TP sensor out of self-test range 24 - ACT sensor out of self-test range 25 - Knock not sensed during dynamic test 26 - VAF/MAF out of self-test range 26 - TOT out of self-test range 26 - TOT sensor out of self-test range (E4OD) 28 - Loss of IDM, right side 29 - Insufficient input from vehicle speed sensor 31 - PFE, EVP or EVR circuit below minimum voltage 32 - EVP voltage below closed limit 33 - EGR valve opening not detected 34 - EVP voltage above closed limit 35 - PFE or EVP circuit above closed limit 41 - HEGO sensor circuit indicates system lean 41 - No HEGO switching detected 42 - HEGO sensor circuit indicates system rich 44 - Thermactor air system inoperative-right side 45 - Thermactor air upstream during self-test 45 - Coil 1, 2 or 3 failure 46 - Thermactor air not bypassed during self-test 47 - 4WD switch closed (E4OD) 48 - Loss of IDM, left side 49 - 1-2 shift error (E4OD) 51 - ECT/ACT reads -40°F or circuit open 52 - Power steering pressure switch circuit open 52 - Power steering pressure switch always open or closed 53 - TP circuit above maximum voltage 54 - ACT sensor circuit open 56 - VAF or MAF circuit above maximum voltage 56 - TOT reads -40°F or circuit open (E4OD) 59 - 2-3 shift error (E4OD) 61 - ECT reads 254°F or circuit grounded 63 - TP circuit below minimum voltage 64 - ACT sensor grounded or input reads 254°F 65 - Overdrive cancel switch open, no change seen (E4OD) 66 - MAF sensor input below minimum voltage 66 - TOT grounded or reads 290°F (E4OD) 67 - Neutral/drive switch open or A/C on 67 - Clutch switch circuit failure 67 - MLP sensor out of range or A/C on (E4OD) 69 - 3-4 shift error 72 - Insufficient MAF/MAP change during dynamic test 73 - Insufficient TP change during dynamic test 74 - Brake on/off switch failure or not actuated 77 - Operator error 79 - A/C on during self-test 79 - A/C or defrost on during self-test 81 - Air management 2 circuit failure 82 - Air management 1 circuit failure 84 - EGR vacuum solenoid circuit failure 85 - Canister purge solenoid circuit failure 86 - Shift solenoid circuit failure 87 - Fuel pump primary circuit failure 88 - Loss of dual plug input control 89 - Converter clutch solenoid circuit failure 91 - Shift solenoid 1 circuit failure (E4OD) 92 - Shift solenoid 2 circuit failure (E4OD) 93 - Coast clutch solenoid circuit failure (E4OD) 94 - Converter clutch solenoid circuit failure (E4OD) 95 - Fuel pump secondary circuit failure - PCM to ground 96 - Fuel pump secondary circuit failure - battery to PCM 97 - Overdrive cancel indicator light - circuit failure (E4OD) 98 - Electronic pressure control driver open in PCM (E4OD) 98 - Hard fault present 99 - Electronic pressure control circuit failure (E4OD) 111 - System pass 112 - ACT sensor circuit grounded or reads 254°F 113 - ACT sensor circuit open or reads -40°F 114 - ACT outside test limits during KOEO or KOER tests 116 - ECT outside test limits during KOEO or KOER tests 117 - ECT sensor circuit grounded 117 - ECT sensor circuit below minimum voltage or reads 254°F 118 - ECT sensor circuit open 118 - ECT sensor circuit below maximum voltage or reads -40°F 121 - Closed throttle voltage higher or tower than expected 122 - TP sensor circuit below minimum voltage 123 - TP sensor circuit below maximum voltage 126 - BP or MAP sensor higher or lower than expected 128 - MAP vacuum circuit failure 129 - Insufficient MAF or MAP change during dynamic responded test 144 - No HEGO switching detected 167 - Insufficient TP change during dynamic response test 171 - Fuel system at adaptive limit, HEGO unable to switch 172 - HEGO shows system always lean 173 - HEGO shows system always rich 174 - HEGO switching time is slow 179 - Fuel at lean adaptive limit at part throttle; system rich 181 - Fuel at rich adaptive limit at part throttle; system lean 182 - Fuel at lean adaptive limit at idle; system rich 183 - Fuel at rich adaptive limit at idle; system lean 211 - PIP circuit fault 212 - Loss of IDM input to PCM or SPOUT circuit grounded 213 - Spout circuit open 224 - Erratic IDM input to processor 225 - Knocked not sensed during dynamic response test 311 - Thermactor air system inoperative 312 - Thermactor air upstream during self-test 313 - Thermactor air not bypassed during self-test 327 - EVP or DPFE circuit below minimum voltage 328 - EGR closed voltage higher than expected 332 - Insufficient EGR flow detected 334 - EGR closed voltage higher than expected 337 - EVP or DPFE circuit above maximum voltage 411 - Cannot control rpm during KOER low rpm check 412 - Cannot control rpm during KOER high rpm check 452 - Insufficient input from vehicle speed sensor 511 - EEC processor ROM test failed 512 - EEC processor Keep Alive Memory test failed 513 - Failure in EEC processor internal voltage 519 - Power steering pressure switch circuit open 521 - Power steering pressure switch did not change state 525 - Vehicle in gear or A/C on during self-test 536 - Brake on/off circuit failure, switch not actuated during KOER test 538 - Insufficient RPM change during KOER dynamic response test 538 - Operator error 542 - Fuel pump secondary circuit failure: PCM to ground 543 - Fuel pump secondary circuit failure: Battery to PCM 552 - Air management 1 circuit failure 553 - Air management 2 circuit failure 556 - Fuel pump primary circuit failure 558 - EGR vacuum regulator circuit failure 565 - Canister purge circuit failure 569 - Canister purge 2 circuit failure 617 - 1-2 shift error (E4OD) 618 - 2-3 shift error (E4OD) 619 - 3-4 shift error (E4OD) 621 - Shift solenoid 1 circuit failure 622 - Shift solenoid 2 circuit failure 624 - EPC solenoid or driver circuit failure 625 - EPC driver open in PCM 626 - Coast clutch solenoid circuit failure (E4OD) 627 - Converter clutch solenoid circuit failure (E4OD) 628 - Converter clutch error (E4OD) 629 - Converter clutch control circuit failure 631 - Overdrive cancel indicator light circuit failure 632 - Overdrive cancel switch not changing states (E4OD) 633 - 4WD switch is closed 634 - MLP sensor voltage out of self-test range, A/C on 636 - TOT sensor voltage out of self-test range 637 - TOT sensor circuit above maximum voltage 638 - TOT sensor circuit below minimum voltage 654 - MLP sensor not in park position 998 - Hard fault present
Definitions:
ACT = Air Charge Temperature Sensor BP = See MAP EEC = Electronic Engine Control System ECT = Engine Coolant Temperature Sensor EGR = Exhaust Gas Recirculation Valve EVP = EGR Valve Position Sensor HEGO = Heated Exhaust Gas Oxygen Sensor KOEO = Key On Engine Off KOER = Key On Engine Running MAF = Mass Air Flow Sensor MAP = Manifold Absolute Pressure Sensor MLP = Manual Lever Position PCM = Powertrain Control Module SPOUT = Distributor Jumper to Allow Initial Timing TP = Throttle Position Sensor |
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