DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Circuit/System Affected |
|---|---|
| P0100 | Mass Air Flow/Volume Air Flow Sensor |
| P0105 | Manifold Absolute Pressure/Barometric Pressure Sensor |
| P0110 | Intake Air Temperature Sensor |
| P0115 | Engine Coolant Temperature Sensor |
| P0120 | Throttle Position Sensor |
| P0125 | Excessive Time To Enter Closed Loop Fuel Control |
| P0130 | Right Front Oxygen Sensor |
| P0134 | Right Front Oxygen Sensor, No Activity Detected |
| P0135 | Right Front Oxygen Sensor Heater |
| P0140 | Middle/Right Rear Oxygen Sensor, No Activity Detected |
| P0141 | Middle/Right Rear Oxygen Sensor Heater |
| P0150 | Left Front Oxygen Sensor |
| P0154 | Left Front Oxygen Sensor, No Activity Detected |
| P0155 | Left Front Oxygen Sensor Heater |
| P0160 | Left Rear Oxygen Sensor, No Activity Detected |
| P0161 | Left Rear Oxygen Sensor Heater |
| P0170 | Fuel Trim/Right Bank Fuel Trim Malfunction |
| P0173 | Left Bank Fuel Trim Malfunction |
| P0300 | Random Misfire Detected |
| P0301 | Cylinder No. 1 Misfire Detected |
| P0302 | Cylinder No. 2 Misfire Detected |
| P0303 | Cylinder No. 3 Misfire Detected |
| P0304 | Cylinder No. 4 Misfire Detected |
| P0305 | Cylinder No. 5 Misfire Detected |
| P0306 | Cylinder No. 6 Misfire Detected |
| P0325 | Knock Sensor No. 1 Circuit |
| P0335 | Crankshaft Position Sensor |
| P0400 | Exhaust Gas Recirculation Flow Malfunction |
| P0404 | Exhaust Gas Recirculation Circuit Range/Performance. |
| P0420 | Catalyst System/Right Bank Catalyst System Efficiency Below Threshold |
| P0430 | Left Bank Catalyst System Efficiency Below Threshold |
| P0442 | Evaporative Emission Control System (Leak Check) |
| P0443 | Evaporative Emission Control System |
| P0446 | Purge Control Valve |
| P0450 | Fuel Tank Pressure Sensor Malfunction |
| P0455 | EVAP System Malfunction, Excessive Leak Detected |
| P0500 | Exhaust Pressure Sensor |
| P0505 | Vehicle Speed Sensor |
| P0510 | Idle Control System |
| P0703 | Closed Throttle Position Switch |
| P1110 | Brake Switch Input Malfunction |
| P1110 | Intake Air Temperature Sensor (Dynamic Chamber) |
| P1170 | Front/Right Front Heated Oxygen Sensor - Inversion. |
| P1173 | Left Front Heated Oxygen Sensor - Inversion |
| P1196 | Ignition Switch (Start Position) |
| P1250 | PRC Solenoid Valve |
| P1345 | No SGC Signal |
| P1402 | EGR Valve Position Sensor |
| P1449 | Canister Drain Cut Valve |
| P1450 | Evaporative Emission Control System |
| P1455 | Fuel Gauge Sender Unit |
| P1485 | EGR Vacuum Solenoid Valve |
| P1486 | EGR Vent Solenoid Valve |
| P1487 | EGR Boost Sensor Solenoid Valve |
| P1508 | Bypass Air Solenoid Valve No. 1 |
| P1524 | Charge Air Cooler Bypass Solenoid Valve |
| P1525 | ABV Solenoid Valve (Vent) |
| P1526 | ABV Solenoid Valve (Vacuum) |
| P1540 | Air By-Pass System, Open Or Short Circuit |
| P1601 | ECM-TCM Communication Error |
| P1609 | ECM/PCM Malfunction |
| P1627 | ECM-ABS/TCS Communication Error |
| P1794 | Battery |
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
CONNECTOR IDENTIFICATION
Harness connector terminal identification illustrations are generic and categorized by number of terminals. For terminal identification of connectors with 1 or 2 terminals, see WIRING DIAGRAMS - 2.3L article. All connector views are terminal side unless otherwise specified. For harness connector terminal identification, see HARNESS CONNECTOR IDENTIFICATION DIRECTORY.
| Description | See Figure | |
|---|---|---|
| 2.3L | ||
| Camshaft Position Sensor | (Scheme 5) | |
| Crankshaft Position Sensor | (Scheme 2) | |
| EGR Valve Position Sensor | (Scheme 1) | |
| Engine Control Module (1) | (Scheme 10) | |
| Fuel Gauge Sending Unit | (Scheme 1) | |
| Fuel Tank Pressure Sensor | (Scheme 1) | |
| Left Front Heated Oxygen Sensor | (Scheme 1) | |
| Left Rear Heated Oxygen Sensor | (Scheme 4) | |
| Intake Air Temperature Sensor | (Scheme 6) | |
| Manifold Absolute Pressure Sensor | (Scheme 1) | |
| Mass Air Flow Sensor | (Scheme 1) | |
| Right Front Heated Oxygen Sensor | (Scheme 2) | |
| Right Rear Heated Oxygen Sensor | (Scheme 4) | |
| Throttle Position Sensor | (Scheme 5) | |
| Transmission Control Module | (Scheme 11) | |
| 2.5L | ||
| Crankshaft Position Sensor | (Scheme 2) | |
| Distributor | (Scheme 6) | |
| EGR Boost Sensor | (Scheme 2) | |
| EGR Valve Position Sensor | (Scheme 1) | |
| Fuel Gauge Sending Unit | (Scheme 1) | |
| Fuel Tank Pressure Sensor | (Scheme 1) | |
| Left Front Heated Oxygen Sensor | (Scheme 4) | |
| Mass Air Flow Sensor | (Scheme 1) | |
| Middle Heated Oxygen Sensor | (Scheme 3) | |
| Powertrain Control Module (1) | (Scheme 12) | |
| Rear Heated Oxygen Sensor | (Scheme 3) | |
| Right Front Heated Oxygen Sensor | (Scheme 4) | |
| Throttle Position Sensor | (Scheme 5) | |
| (1) Component connector view. | ||
| (1) | Component connector view. |
HARNESS CONNECTOR IDENTIFICATION DIRECTORY
Scheme 1
Scheme 2
Scheme 3
Scheme 4
Scheme 5
Scheme 6
Scheme 7
Scheme 8
Scheme 9
Scheme 10
Scheme 11
Scheme 12
See also:
• WIRING DIAGRAMS - 2.3L