Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Powertrain Control Module Location
- Programming
- Drive Cycles
- Summary
- Fuel System Pressure Release
- Diagnostic Trouble Code Definitions
- Component Locations
- Camshaft Position Sensor & Pulse Ring Location
- Crankshaft Position Sensor Location
- Data Link Connector Location
- Engine Coolant Temperature Sensor Location (V8 Shown; V6 Is Similar)
- EVAP Canister Locations
- EVAP Purge Solenoid, Leak Detection Pump & Leak Detection Pump Filter Locations
- Fuel Injector Locations
- Fuel Pump Module & Components Location
- Relay & Fuse Block Location
- Ignition Coil Location
- Intake Air Temperature Sensor Location (5.9L)
- Map Sensor, Idle Air Control Valve & TP Sensor Locations
- Oil Pressure Sending Unit Location
- Oxygen Sensors Location (Gasoline Models)
- Oxygen Sensor Location (CNG Models)
- Pcm & Power Distribution Center Location
- Transmission Range Sensor Location
- Connector Identification
- A/C Compressor Clutch Connector End View
- A/C Cycling Switch Connector End View
- A/C Pressure Switch Connector End View
- A/C-Heater Control Connector End View
- Battery Temperature Sensor Connector End View
- Brake Light Switch Connector End View
- Camshaft Position Sensor Connector End View
- CLOCKSPRING Connector End View
- Crankshaft Position Sensor Connector End View
- Data Link Connector, Connector End View
- Engine Coolant Temperature Sensor Harness Connector End View
- Engine Oil Pressure Switch Connector End View
- EVAP/Purge Solenoid Connector End View
- Fuel Injectors Connector End View
- Fuel Level Sensor Connector End View
- Fuel Pressure Sensor Connector End View (CNG Models)
- Fuel Pump Module Connector End View (Gasoline Models)
- Fuel Temperature Sensor Connector End View (CNG Models)
- Fuse Block, Fuses & Relay Location
- Generator Connector End View
- Governor Pressure Sensor Connector End View
- High-Pressure Fuel Shutoff Solenoid Connector End View (CNG Models)
- Idle Air Control Motor Harness Connector End View
- Ignition Coil Connector End View
- Ignition Switch Connector End View
- Intake Air Temperature Sensor Connector End View
- Intake Air Temperature Sensor Harness Connector End View
- Leak Detection Pump Connector End View
- Left Speed Control Switch Connector End View
- Low-Pressure Fuel Shutoff Solenoid Connector End View
- Map Sensor Connector End View
- Output Speed Sensor Harness Connector End View
- Oxygen Sensor Connector End View
- Pcm Harness Connector End View
- PDC Fuse & Circuit Locations
- Rear Wheel Speed Sensor Connector End View
- Speed Control Servo Harness Connector End View
- Throttle Position Sensor Connector End View
- Torque Converter Clutch Solenoid Connector End View
- Transmission Range Sensor Connector End View
- Diagnostic Tests
- Notes
- DTC P0031: O2 Sensor 1/1 Heater Circuit Low
- DTC P0032: O2 Sensor 1/1 Heater Circuit High
- DTC P0037: O2 Sensor 1/2 Heater Circuit Low
- DTC P0038: O2 Sensor 1/2 Heater Circuit High
- DTC P0071: Ambient/Battery Temp Sensor Performance
- DTC P0107: Map Sensor Voltage Too Low
- DTC P0108: Map Sensor Voltage Too High
- DTC P0111: Intake Air Temp Performance
- DTC P0112: Intake Air Temp Sensor Voltage Low
- DTC P0113: Intake Air Temp Sensor Voltage High
- DTC P0117: Engine Coolant Temp Sensor Voltage Too Low
- DTC P0118: Engine Coolant Temp Sensor Voltage Too High
- DTC P0121: TP Sensor Voltage Does Not Agree With Map
- DTC P0122: Throttle Position Sensor No. 1 Voltage Low
- DTC P0123: Throttle Position Sensor No. 1 Voltage High
- DTC P0125 : Closed Loop Temp Not Reached
- DTC P0131: O2 Sensor 1/1 Circuit Voltage Low
- DTC P0132: O2 Sensor 1/1 Circuit Voltage High
- DTC P0133: O2 Sensor 1/1 Slow Response
- DTC P0135: O2 Sensor 1/1 Heater Failure
- DTC P0137: O2 Sensor 1/2 Circuit Voltage Low
- DTC P0138: O2 Sensor 1/2 Circuit Voltage High
- DTC P0139: O2 Sensor 1/2 Slow Response
- DTC P0141: O2 Sensor 1/2 Heater Failure
- DTC P0171: 1/1 O2 Sensor Fuel System Lean
- DTC P0172: 1/1 O2 Sensor Fuel System Rich
- DTC P0182: Fuel Temperature Sensor Voltage Too Low
- DTC P0183: Fuel Temperature Sensor Voltage Too High
- DTC P0201: Injector No. 1 Control Circuit
- DTC P0202: Injector No. 2 Control Circuit
- DTC P0203: Injector No. 3 Control Circuit
- DTC P0204: Injector No. 4 Control Circuit
- DTC P0205: Injector No. 5 Control Circuit
- DTC P0206: Injector No. 6 Control Circuit
- DTC P0207: Injector No. 7 Control Circuit
- DTC P0208: Injector No. 8 Control Circuit
- DTC P0300: Multiple Cylinder Misfire
- DTC P0301: Cylinder No. 1 Misfire
- DTC P0302: Cylinder No. 2 Misfire
- DTC P0303: Cylinder No. 3 Misfire
- DTC P0304: Cylinder No. 4 Misfire
- DTC P0305: Cylinder No. 5 Misfire
- DTC P0306: Cylinder No. 6 Misfire
- DTC P0307: Cylinder No. 7 Misfire
- DTC P0308: Cylinder No. 8 Misfire
- DTC P0320: No Crank Reference Signal At Pcm
- DTC P0340: No Cam Reference Signal At Pcm
- DTC P0351: Ignition Coil No. 1 Primary Circuit
- DTC P0420: 1/1 Catalytic Converter Efficiency
- DTC P0441: EVAP Purge Flow Monitor
- DTC P0442: EVAP Leak Monitor Medium (.040") Leak Detected
- DTC P0443: EVAP Purge Solenoid Circuit
- DTC P0455: EVAP Leak Monitor Large Leak Detected
- DTC P0456: EVAP Leak Monitor Small (.020") Leak Detected
- DTC P0460: Fuel Level Unit No Change Over Miles
- DTC P0461: Fuel Level Unit No Change Over Time
- DTC P0462: Fuel Level Sending Unit Voltage Too Low
- DTC P0463: Fuel Level Sending Unit Voltage Too High
- DTC P0500: No Vehicle Speed Sensor Signal Circuit
- DTC P0505: Idle Air Control Motor Circuits
- DTC P0601: Pcm Internal Controller Failure
- DTC P0622: Generator Field Not Switching Properly
- DTC P0645: A/C Clutch Relay Circuit
- DTC P1195: O2 Sensor 1/1 Slow During Catalyst Monitor
- DTC P1281: Engine Is Cold Too Long
- DTC P1282: Fuel Pump/System Relay Control Circuit
- DTC P1290: High Pressure Fuel Shut-Off Solenoid Relay Circuit
- DTC P1292: Fuel Pressure Sensor Voltage Too High
- DTC P1293: Fuel Pressure Sensor Voltage Too Low
- DTC P1294: Target Idle Not Reached
- DTC P1296: No 5 Volts To Map Sensor
- DTC P1297: No Change In Map From Start To Run
- DTC P1388: ASD Relay Control Circuit
- DTC P1389: No ASD Relay Output Voltage At Pcm
- DTC P1391: Intermittent Loss Of CMP Or CKP
- DTC P1398: Misfire Adaptive Numerator At Limit
- DTC P1486: EVAP Leak Monitor Pinched Hose Found
- DTC P1492: Battery Temperature Sensor Voltage Too High
- DTC P1493: Battery Temperature Sensor Voltage Too Low
- DTC P1494: Leak Detection Pump SW Or Mechanical Fault
- DTC P1495: Leak Detection Pump Solenoid Circuit
- DTC P1594: Charging System Voltage Too High
- DTC P1595: Speed Control Solenoid Circuits
- DTC P1596: Speed Control Switch Always High
- DTC P1597: Speed Control Switch Always Low
- DTC P1682: Charging System Voltage Too Low
- DTC P1683: Speed Control Solenoid Circuits
- DTC P1687: No Cluster Bus Message
- DTC P1696: Pcm Failure EEPROM Write Denied
- DTC P1899: P/N Performance
- Verification Tests
- Wiring Diagrams