Engine Controls - Self-Diagnostics - 4.0L
- Introduction
- Self-Diagnostic System
- On-Board Diagnostics
- Intermittent Conditions
- Notes
- Preliminary
- Harness or Connector Intermittents
- Electrical Connections or Wiring
- Control Module Power & Grounds, & Component Power & Grounds
- Temperature Sensitivity
- Electromagnetic Interference (EMI) & Electrical Noise
- Incorrect PCM Programming
- Duplicating Failure Conditions
- Scan Tool Snapshot
- Vehicle Data Recorder
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- Diagnostic System Check - Engine Controls
- Clearing Diagnostic Trouble Codes
- Scan Tool Usage
- Pcm Location
- Programming
- Inspection/Maintenance Procedures
- Drive Cycles
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance Air System Set Procedure
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance EGR System Set Procedure
- Inspection/Maintenance Evaporative Emission System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor Heater System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0030: Ho2S Heater Control Circuit (Sensor 1)
- DTC P0036: Ho2S Heater Control Circuit (Sensor 2)
- DTC P0101: Mass Airflow Sensor System Performance
- DTC P0102: Mass Airflow Sensor Circuit Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit High Frequency
- DTC P0106: Map System Performance
- DTC P0107: Manifold Absolute Pressure Sensor Circuit Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit High Voltage
- DTC P0116: Engine Coolant Temperature Sensor Circuit Performance
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit High Voltage
- DTC P0121: Throttle Position Sensor Circuit Insufficient Activity
- DTC P0122: Throttle Position Sensor Circuit Voltage Low
- DTC P0123: Throttle Position Sensor Circuit High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Reach Closed Loop
- DTC P0128: Engine Coolant Thermostat
- DTC P0130 & P0150: Ho2S Bank 1 & 2 Sensor 1 Circuit
- DTC P0131 & P0151: Ho2S Bank 1 & 2 Sensor 1 Circuit - Low Voltage
- DTC P0132 & P0152: Ho2S Bank 1 & 2 Sensor 1 Circuit - High Voltage
- DTC P0133: Ho2S Bank 1 Sensor 1 - Slow Response
- DTC P0134 & P0154: Ho2S Bank 1 & 2 Sensor 1 - Insufficient Activity
- DTC P0135: Ho2S Bank 1 Sensor 1 - Heater Performance
- DTC P0137: Ho2S Bank 1 Sensor 2 Circuit - Low Voltage
- DTC P0138: Ho2S Bank 1 Sensor 2 Circuit - High Voltage
- DTC P0140: Ho2S Bank 1 Sensor 2 Circuit - Insufficient Activity
- DTC P0141: Ho2S Bank 1 Sensor 2 - Heater Performance
- DTC P0153: Ho2S Bank 2 Sensor 1 Circuit - Slow Response
- DTC P0155: Ho2S Bank 2 Sensor 1 Circuit - Heater Performance
- DTC P0171 & P0174: Fuel Trim System Lean, Bank 1 & 2
- DTC P0172 & P0175: Fuel Trim System Rich, Bank 1 & 2
- DTC P0201-P0208: Injector Control Circuit
- DTC P0230: Fuel Pump Control Circuit
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor System
- DTC P0326: Excessive Spark Retard
- DTC P0327: Knock Sensor Circuit
- DTC P0335: Crankshaft Position Sensor "A" Circuit
- DTC P0336: Crankshaft Position Sensor "A" Circuit Performance
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0351-P0358: Ignition Coil Primary Circuits
- DTC P0385: Crankshaft Position Sensor "B" Circuit
- DTC P0386: Crankshaft Position Sensor "B" Circuit Performance
- DTC P0401: EGR Flow Insufficient
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR Open Position Performance
- DTC P0405: EGR Position Sensor Circuit Low Voltage
- DTC P0410: Secondary Air Injection System
- P0412: Secondary Air Injection Solenoid Relay Control Circuit
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420: Catalyst System Low Efficiency
- DTC P0440: EVAP System
- DTC P0442: EVAP System - Leak Detected
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Canister Vent Blocked
- DTC P0449: EVAP Canister Vent Solenoid Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0502: Vehicle Speed Sensor Circuit - Low Input
- DTC P0503: Vehicle Speed Sensor Circuit Intermittent
- DTC P0506: Idle Speed Low
- DTC P0507: Idle Speed High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 & P1683: Pcm Memory
- DTC P0650: Malfunction Indicator Light Control Circuit
- DTC P0719: Brake Switch Circuit - Low Input
- DTC P0724: Brake Switch Circuit - High Input
- DTC P1031: Ho2S Bank 1 & 2 Sensor 1 Heater Current Monitor Control Circuit
- DTC P1032: Ho2S Bank 1 & 2 Sensor 1 Heater Warm Up Control Circuit
- DTC P1106: Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage
- DTC P1107: Manifold Absolute Pressure Sensor Circuit Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor Circuit Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
- DTC P1121: Throttle Position Sensor Circuit Intermittent High Voltage
- DTC P1122: Throttle Position Sensor Circuit Intermittent Low Voltage
- DTC P1133 & P1153: Ho2S Bank 1 & 2 Sensor 1 - Insufficient Switching
- DTC P1134 & P1154: Ho2S Bank 1 & 2 Sensor 1 - Transition Time Ratio
- DTC P1258: Engine Metal OVERTEMPERATURE Protection
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1359: Ignition Control Circuit Group "A"
- DTC P1360: Ignition Control Circuit Group "B"
- DTC P1372: Crankshaft Position Sensor "A" & "B" Correlation
- DTC P1380: EBTCM DTC Detected Rough Road Data Unusable
- DTC P1381: Misfire Detected - No EBTCM/Pcm Serial Data
- DTC P1404: EGR System Performance
- DTC P1415 & P1416: Air System - Bank 1 & 2
- DTC P1441: EVAP Emission System Flow During Non-Purge
- DTC P1624: Customer Snapshot Data Available
- DTC P1633: Improper Ignition 0 Input
- DTC P1634: Improper Ignition 1 Input
- DTC P1635: 5-Volt Reference 1 Circuit
- DTC P1639: 5-Volt Reference 2 Circuit