All PFI & Ma PFI Models
PFI SERVICE CODE DEFINITIONS
| Service Code | Test Condition(s) | Definition |
|---|---|---|
| 11 | KOEO/KOER/CONTINUOUS | System Pass |
| 12 | KOER | RPM unable to achieve Self-Test upper limit |
| 13 | KOER | RPM unable to achieve Self-Test lower limit |
| 14 | CONTINUOUS | PIP ckt failure |
| 15 | KOEO | ECA Read Only Memory (ROM) Test Failed |
| 16 | KOER | Idle RPM High with ISC retracted (OFF) |
| 17 | KOER | Idle RPM Low with ISC retracted (OFF) |
| 18 | KOER | SPOUT ckt open |
| " | CONTINUOUS | IDM/IOM ckt failure/SPOUT ckt grounded |
| 19 | KOEO | Failure in ECA internal voltage |
| " | KOER | RPM dropped too low during ISC off test |
| " | CONTINUOUS | CID ckt failure |
| 21 | KOER/KOEO | ECT sensor out of Self-Test Range |
| 22 | KOEO/KOER/CONTINUOUS | BP sensor input is out of Self-Test Range |
| 23 | KOEO/KOER | TP sensor input is out of Self-Test Range |
| 24 | KOER/KOEO | ACT sensor input is out of Self-Test Range |
| 25 | KOER | Knock sensor input is out of Self-Test Range |
| 26 | KOEO/KOER | MAF sensor is out of Self-Test range |
| 28 | KOEO/KOER | VAT sensor out of Self-Test range |
| 29 | CONTINUOUS | Insufficient input from VSS |
| 31 | KOEO/KOER/CONTINUOUS | EVR, EVP or PFE ckt is below minimum range |
| 32 | KOEO/KOER/CONTINUOUS | EVP or PFE ckt voltage low |
| 33 | KOER/CONTINUOUS | EGR valve opening not detected |
| 34 | KOEO | PFE sensor voltage out of range |
| " | KOER/CONTINUOUS | PFE sensor voltage high |
| 35 | KOEO/KOER/CONTINUOUS | EVP/PFE ckt above max. voltage |
| 41 | KOER | HEGO sensor ckt indicates lean |
| " | CONTINUOUS | No HEGO switching detected - indicates lean |
| 42 | KOER/CONTINUOUS | HEGO sensor ckt indicates rich |
| 43 | CONTINUOUS | HEGO lean at wide open throttle |
| 44 | KOER | Thermactor air system inoperative (right side) |
| 45 | CONTINUOUS | Coil No. 1 primary ckt failure |
| 46 | CONTINUOUS | Coil No. 2 primary ckt failure |
| 47 | KOER | Measured airflow low at base idle |
| 48 | CONTINUOUS | Coil No. 3 primary ckt failure |
| 49 | CONTINUOUS | SPOUT signal defaulted to 10 degrees BTDC/SPOUT ckt open |
| 51 | KOEO/CONTINUOUS | ECT indicated -40°F/ ECT sensor ckt open |
| 52 | KOEO | PSPS ckt is always open |
| " | KOER | PSPS ckt always staying open or closed |
| 53 | KOEO/CONTINUOUS | TP sensor input is greater than Self-Test maximum |
| 54 | KOEO/CONTINUOUS | ACT sensor -40°F ckt open |
| 56 | KOEO/CONTINUOUS | MAF ckt above maximum voltage |
| 58 | KOEO/CONTINUOUS | VAT indicated -40°F sensor ckt open |
| 61 | KOEO/CONTINUOUS | ECT indicated 254°F ckt grounded |
| 63 | KOEO/CONTINUOUS | TP sensor input is less than Self-Test minimum |
| 64 | KOEO/CONTINUOUS | ACT 254°F sensor input is less than Self-Test minimum/ckt grounded |
| 65 | CONTINUOUS | Never went to closed loop fuel |
| 66 | KOEO/CONTINUOUS | MAF ckt below minimum voltage |
| 67 | KOEO | Neutral Drive Switch (NDS) ckt open; A/C on |
| " | CONTINUOUS | Clutch switch ckt failure |
| 68 | KOEO/CONTINUOUS | VAT indicated 245°F ckt grounded |
| 70 | CONTINUOUS | ECA Data Communications Link (DCL) ckt failure |
| 71 | CONTINUOUS | Software re-initialization detected |
| 72 | KOER | Insufficient MAF or MAP change during Dynamic Response Test |
| 73 | KOER | Insufficient throttle position output change during Dynamic Response Test |
| 74 | KOER | Brake ON/OFF (BOO) switch ckt failure not activated during Self-Test) |
| 75 | KOER | Brake ON/OFF (BOO) switch ckt closed/ECA input open |
| 77 | KOER | Brief WOT not sensed during Self-Test/Operator error |
| 79 | KOEO | A/C On/Defrost on during Self-Test |
| 81 | KOEO | Air Management 2 (AM2) ckt failure |
| 82 | KOEO | Air Management 1 (AM1) Ckt failure |
| 83 | KOEO | High Speed Electro Drive Fan (HEDF) ckt failure |
| 84 | KOER/CONTINUOUS | EGR Vacuum Regulator (EVR) ckt failure |
| 85 | KOEO | Canister Purge (CANP) ckt failure |
| 87 | KOEO/KOER/CONTINUOUS | Fuel pump primary ckt failure |
| 88 | KOEO | Electro Drive Fan (EDF) ckt failure |
| 91 | KOER | HEGO sensor indicates lean (front/left) |
| " | CONTINUOUS | No HEGO switching detected (front/left) |
| 92 | KOER | HEGO sensor indicates rich (front/left) |
| 94 | KOER | Thermactor air system inoperative (left side) |
| 95 | KOEO/CONTINUOUS | Fuel pump secondary ckt failure, open/ECA to motor |
| 96 | KOEO/CONTINUOUS | Fuel pump secondary ckt failure, open/Battery to ECA |
| 98 | KOER | Hard fault is present |
| NO CODES | ***** | To initiate Self-Test or unable to output Self-Test codes |
| CODES NOT LISTED | ***** | Codes displayed are not applicable to vehicle being tested |