Engine Controls - Tests W/Codes - 3.9L

• Introduction
• Model Identification
• Self-Diagnostic System
  • Please Read This First *
  • System Diagnostics
    • Notes
    • Hard Failures
    • Intermittent Failures
  • Service Precautions
    • During diagnosis, following these precautions:
  • Visual Inspection
  • Diagnostic Procedure
  • Entering On-Board Diagnostics
    • Notes
    • DRB Diagnostic Mode
    • MIL Diagnostic Mode
  • Clearing Trouble Codes
• Inactive Trouble Code Condition
• Fuel Pressure Release
• Trouble Codes/Messages
  • Notes
  • CODES/MESSAGES (Note: For DTC table, see TEST TC-1A under "Self-Diagnostic Tests.")
    • Code 11
    • Code 12
    • Code 13
    • Code 14
    • Code 15
    • Code 17
    • Code 21
    • Code 22
    • Code 23
    • Code 24
    • Code 25
    • Code 27
    • Code 31
    • Code 32
    • Code 33
    • Code 34
    • Code 35
    • Code 37
    • Code 41
    • Code 42
    • Code 43
    • Code 44
    • Code 45
    • Code 46
    • Code 47
    • Code 51
    • Code 52
    • Code 53
    • Code 54
    • Code 55
    • Code 62
    • Code 63
• Connector Identification
• Self-Diagnostic Tests
  • Please Read This First *
  • Test TC-1A - Checking System For Trouble Codes
  • 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 - Slow Change In Idle Map Sens Sig Or 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-7C - No Vehicle Speed Sensor Signal
  • Test TC-8A - Left O2S Sensor Stays At Center (DTC 21)
  • Test TC-9A - Right O2S Stays At Center (DTC 21)
  • Test TC-10A - Left O2S Stays Above Center (Rich) (DTC 52)
  • Test TC-11A - Right O2S Stays Above Center (Rich) (DTC 52)
  • Test TC-12A - Left O2S Stays Below Center (Lean) (DTC 51)
  • Test TC-13A - Right O2S Stays Below Center (Lean) (DTC 51)
  • Test TC-14A - Left O2S Shorted To Voltage (DTC 21)
  • Test TC-15A - Right O2S Shorted To Voltage (DTC 21)
  • Test TC-16A - Right Or Left Idle Adaptive Mem At Lean Or Rich Limit (DTC 52)
  • Test TC-17A - ECT Sensor Voltage Too Low (DTC 22)
  • Test TC-18A - ECT Sensor Voltage Too High (DTC 22)
  • Test TC-19A - Intake Air Temp Sensor Voltage Low (DTC 23)
  • Test TC-20A - Intake Air Temp Sensor Voltage High (DTC 23)
  • Test TC-21A - Throttle Position Sensor Voltage Low (DTC 24)
  • Test TC-22A - Throttle Position Sensor Voltage High (DTC 24)
  • Test TC-23A - Idle Air Control Motor Circuits (DTC 25)
  • Test TC-23B - IAC Driver #1 Control Circuit
  • Test TC-23C - IAC Driver #2 Control Circuit
  • Test TC-23D - IAC Driver #3 Control Circuit
  • Test TC-23E - IAC Driver #4 Control Circuit
  • Test TC-24A - Injector Control Circuits (DTC 27)
  • Test TC-24B - Injector #1 Control Circuit
  • Test TC-25A - Injector #2 Control Circuit (DTC 27)
  • Test TC-26A - Injector #3 Control Circuit (DTC 27)
  • Test TC-27A - Injector #4 Control Circuit (DTC 27)
  • Test TC-28A - Injector #5 Control Circuit (DTC 27)
  • Test TC-29A - Injector #6 Control Circuit (DTC 27)
  • Test TC-30A - Injector #7 Control Circuit (DTC 27)
  • Test TC-31A - Injector #8 Control Circuit (DTC 27)
  • Test TC-32A - EGR System Failure (DTC 32)
  • Test TC-33A - EGR Solenoid Circuit (DTC 32)
  • Test TC-34A - EVAP Solenoid Control Circuit (DTC 31)
  • Test TC-35A - Torque Converter Clutch Solenoid Circuit (DTC 37)
  • Test TC-35B - Torque Converter Clutch Solenoid Circuit
  • Test TC-36A - Trans Overdrive Solenoid Circuit (DTC 45)
  • Test TC-37A - A/C Clutch Relay Circuit (DTC 33)
  • Test TC-38A - Auto Shutdown Relay Control Circuit (DTC 42)
  • Test TC-39A - No ASD Relay Volt Sense At Pcm (DTC 42)
  • Test TC-40A - Trans Temp Sensor Voltage Too Low (DTC 37)
  • Test TC-41A - Trans Temp Sensor Voltage High (DTC 37)
  • TEST TC-42A - PCM FAILURE SRI MILE NOT STORED OR PCM FAILURE EEPROM WRITE DENIED (DTC 62 or 63)
  • Test NTC-1A - No Trouble Code Test Menu
    • No Trouble Code Complete Test
    • No Trouble Code Quick Individual Test
    • No Trouble Code Quick Symptom Test
  • 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 (O2) Sensor Switching
  • Test NTC-7B - Checking Oxygen (O2) Sensor Switching
  • Test NTC-8A - Checking Idle Air Control Motor
  • Test NTC-8B - Checking Idle Air Control Motor
  • Test NTC-9A - Checking Solenoid Operations
  • Test NTC-10A - Checking Park/Neutral Switch
  • Test NTC-11A - Checking Pcm Grounds & Power Circuits
  • Test NTC-12A - Checking EGR System
  • Test NTC-13A - Checking Engine Vacuum
  • Test NTC-14A - Checking Minimum Idle Air Flow
  • Test NTC-15A - No Trouble Code 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-4C - Correcting Fuel Delivery
  • Test NS-5A - Inspecting Fuel Pump
  • Test NS-5B - Inspecting Fuel Pump
  • Test NS-6A - Correcting No Response Condition
  • Test NS-6B - Correcting No Response Condition
  • Test NS-6C - Correcting No Response Condition
  • Test NS-6D - 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 No Crank Condition
  • Test NS-9B - Repairing No Crank Condition
  • Test NS-9C - Repairing No Crank Condition
• Verification Tests
  • Test VER-1 - No Start Verification Procedure
  • Test VER-2 - Road Test Verification Procedure
• Summary
• Wiring Diagrams