Engine Controls - Tests W/Codes - 4.0L
- Introduction
- Model Identification
- Self-Diagnostic System
- Inactive DTC Condition
- Using Scan Tool
- Anti-Theft System
- Diagnostic Trouble Codes/Messages
- CODES/MESSAGES (Note: For DTC table, see TEST TC-1A under "Self-Diagnostic Tests.")
- Connector Identification
- Self-Diagnostic Tests
- Test TC-1A - Checking For DTCS
- Test TC-2A - No Crank Reference Signal At Pcm (DTC 11)
- Test TC-2B - No Crank Reference Signal At Pcm
- Test TC-3A - No Cam Sync Signal At Pcm (DTC 54)
- Test TC-4A - No Change In Map From Start To Run (DTC 13)
- Test TC-5A - Map Sensor Voltage Too Low (DTC 14)
- Test TC-6A - Map Sensor Voltage Too High (DTC 14)
- Test TC-7A - No Vehicle Speed Sensor Signal (DTC 15)
- Test TC-7B - No Vehicle Speed Sensor Signal
- Test TC-8A - Oxygen Sensor (O2S) Stays At Center (DTC 21)
- Test TC-9A - Oxygen Sensor (O2S) Shorted To Voltage (DTC 21)
- Test TC-10A - Oxygen Sensor (O2S) Stays Above Center (Rich) (DTC 52)
- Test TC-11A - Oxygen Sensor (O2S) Stays Below Center (Lean) (DTC 51)
- Test TC-12A - ECT Sensor Voltage Too High (DTC 22)
- Test TC-13A - ECT Sensor Voltage Too Low (DTC 22)
- Test TC-14A - Intake Air Temp Sensor Voltage Low (DTC 23)
- Test TC-15A - Intake Air Temp Sensor Voltage High (DTC 23)
- Test TC-16A - Throttle Position Sensor Voltage High (DTC 24)
- Test TC-17A - Throttle Position Sensor Voltage Low (DTC 24)
- Test TC-18A - Idle Air Control Motor Circuits (DTC 25)
- Test TC-18B - Idle Air Control Motor Circuits
- Test TC-18C - Idle Air Control Motor Circuits
- Test TC-18D - Idle Air Control Motor Circuits
- Test TC-18E - Idle Air Control Motor Circuits
- Test TC-19A - Injector Control Circuit (DTC 27)
- Test TC-19B - Injector #1 Control Circuit
- Test TC-20A - Injector #2 Control Circuit (DTC 27)
- Test TC-21A - Injector #3 Control Circuit (DTC 27)
- Test TC-22A - Injector #4 Control Circuit (DTC 27)
- Test TC-23A - Injector #5 Control Circuit (DTC 27)
- Test TC-24A - Injector #6 Control Circuit (DTC 27)
- Test TC-25A - A/C Clutch Relay Circuit (DTC 33)
- Test TC-26A - Rad Fan Control Relay Circuit (DTC 35)
- Test TC-27A - Auto Shutdown Relay Control Circuit (DTC 42)
- Test TC-28A - No ASD Relay Volt Sense At Pcm (DTC 42)
- Test TC-29A - Pcm Failure Sri Mile Not Stored (DTC 62)
- Test TC-30A - Pcm Failure EEPROM Write Denied (DTC 63)
- Test TC-37A - TCC Solenoid (Relay) Circuit (DTC 37)
- Test TC-38A - EVAP Solenoid Circuit (DTC 31)
- Test TC-38B - EVAP Solenoid Circuit
- Test NTC-1A - No Diagnostic Trouble Code (DTC) Test Menu
- Test NTC-2A - Checking Secondary Ignition & Timing
- Test NTC-3A - Checking Fuel Pressure
- Test NTC-3B - Checking Fuel Pressure
- Test NTC-4A - Checking Coolant Sensor Calibration
- Test NTC-5A - Checking TPS Calibration
- Test NTC-6A - Checking Map Sensor Calibration
- Test NTC-7A - Checking Oxygen Sensor (O2S) Switching
- Test NTC-7B - Checking Oxygen Sensor (O2S) Switching
- Test NTC-8A - Checking Oxygen Sensor (O2S) Heater
- Test NTC-9A - Checking Idle Air Control (IAC) Motor
- Test NTC-9B - Checking Idle Air Control Motor
- Test NTC-10A - Checking Park/Neutral Position Switch
- Test NTC-11A - Checking Pcm Power & Ground Circuits
- Test NTC-12A - Checking Engine Vacuum
- Test NTC-13A - No DTC Mechanical Test
- No-Start Tests
- Test NS-1A - Qualifying No-Start Condition
- Test NS-2A - Inspecting Fuel System
- Test NS-3A - Inspecting Mechanical System
- Test NS-4A - Correcting Fuel Delivery
- Test NS-4B - Correcting Fuel Delivery
- Test NS-5A - Inspecting Fuel Pump
- Test NS-5B - Inspecting Fuel Pump
- Test NS-6A - Correcting A No Response Condition
- Test NS-6B - Correcting No Response Condition
- Test NS-6C - Correcting No Response Condition
- Test NS-7A - Inspecting Idle Air Control Motor Operation
- Test NS-7B - Inspecting Idle Air Control Motor Operation
- Test NS-7C - Inspecting Idle Air Control Motor Operation
- Test NS-7D - Inspecting Idle Air Control Motor Operation
- Test NS-7E - Inspecting Idle Air Control Motor Operation
- Test NS-8A - Correcting Start & Stall Condition
- Test NS-9A - Repairing A No Crank Condition
- Test NS-9B - Repairing A No Crank Condition
- Test NS-9C - Repairing A No Crank Condition
- Verification Tests
- Wiring Diagrams