Powertrain Diagnostic Procedures

• Communication
  • *No Response From Pcm (PCI Bus)
    • Possible Causes
    • Testing
  • *No Response From Pcm (Sci Only)
    • Possible Causes
    • Testing
  • *No Response From Sentry Key Immobilizer Module
    • Possible Causes
    • Testing
  • *PCI Bus Communication Failure
    • Possible Causes
    • Testing
• DRIVEABILITY - Gas
  • Notes
  • Intermittent Condition
    • Possible Causes
    • Testing
  • 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 P0051: O2 Sensor 2/1 Heater Circuit Low, DTC P0052: O2 Sensor 2/1 Heater Circuit High
    • Notes
    • When Monitored and Set Condition
    • Possible Causes
    • Testing
  • DTC P0071: Ambient/Battery Temp Sensor Performance
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0107: Map Sensor Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0108: Map Sensor Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0111: Intake Air Temp Performance
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0112: Intake Air Temp Sensor Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0113: Intake Air Temp Sensor Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0117: Engine Coolant Temp Sensor Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0118: Engine Coolant Temp Sensor Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0121: TP Sensor Voltage Does Not Agree With Map Sensor
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0122: Throttle Position Sensor Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0123: Throttle Position Sensor Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0125: Closed Loop Temp Not Reached
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0131: O2 Sensor 1/1 Circuit Voltage Low, DTC P0137: O2 Sensor 1/2 Circuit Voltage Low, DTC P0151: O2 Sensor 2/1 Circuit Voltage Low, DTC P0157: O2 Sensor 2/2 Circuit Voltage Low
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0132: O2 Sensor 1/1 Circuit Voltage High, DTC P0138: O2 Sensor 1/2 Circuit Voltage High, DTC P0152: O2 Sensor 2/1 Circuit Voltage High, DTC P0158: O2 Sensor 2/2 Circuit Voltage High
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0133: O2 Sensor 1/1 Slow Response, DTC P0139: O2 Sensor 1/2 Slow Response, DTC P0153: O2 Sensor 2/1 Slow Response, DTC P0159: O2 Sensor 2/2 Slow Response
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0135: O2 Sensor 1/1 Heater Failure, DTC P0141: O2 Sensor 1/2 Heater Failure, DTC P0155: O2 Sensor 2/1 Heater Failure, DTC P0161: O2 Sensor 2/2 Heater Failure
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0136: O2 Sensor 1/2 Heater Circuit Malfunction
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0171: 1/1 Fuel System Lean, DTC P0174: 2/1 Fuel System Lean
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0172: 1/1 Fuel System Rich, DTC P0175: 2/1 Fuel System Rich
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0201: Injector #1 Control Circuit, DTC P0202: Injector #2 Control Circuit, DTC P0203: Injector #3 Control Circuit, DTC P0204: Injector #4 Control Circuit, DTC P0205: Injector #5 Control Circuit, DTC P0206: Injector #6 Control Circuit
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0300: Multiple Cylinder Mis-Fire, DTC P0301: Cylinder #1 Misfire, DTC P0302: Cylinder #2 Misfire, DTC P0303: Cylinder #3 Misfire, DTC P0304: Cylinder #4 Misfire, DTC P0305: Cylinder #5 Misfire, DTC P0306: Cylinder #6 Misfire
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0320: No Crank Reference Signal At Pcm
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0340: No Cam Reference Signal At Pcm
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0351: Ignition Coil # 1 Primary Circuit, DTC P0352: Ignition Coil # 2 Primary Circuit, DTC P0353: Ignition Coil # 3 Primary Circuit
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0420: 1/1 Catalytic Converter Efficiency, DTC P0432: 2/1 Catalytic Converter Efficiency
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0441: EVAP Purge Flow Monitor
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0442: EVAP Leak Monitor Medium (0.040) Leak Detected, DTC P0455: EVAP Leak Monitor Large Leak Detected, DTC P0456: EVAP Leak Monitor Small (0.020) Leak Detected
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0443: EVAP Purge Solenoid Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0460: Fuel Level Unit No Change Over Miles, DTC P0461:Fuel Level Unit No Change Over Time
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0462: Fuel Level Sending Unit Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0463: Fuel Level Sending Unit Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0500: No Vehicle Speed Signal Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0505: Idle Air Control Motor Circuits
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0523: Oil Pressure Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0551: Power Steering Switch Failure
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0601: Pcm Internal Controller Failure
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0622: Generator Field Not Switching Properly
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0645: A/C Clutch Relay Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P0700: EATX Controller DTC Present
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1195: 1/1 O2 Sensor Slow During Catalyst Monitor, DTC P1196: 2/1 O2 Sensor Slow During Catalyst Monitor
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1281: Engine Is Cold Too Long
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1282: Fuel Pump/System Relay Control Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1294: Target Idle Not Reached
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1296: No 5-Volts To Map Sensor
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1297: No Change In Map From Start To Run
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1388: Auto Shutdown Relay Control Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1389: No ASD Relay Output Voltage At Pcm
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1391: Intermittent Loss Of CMP Or CKP
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1398: Mis-Fire Adaptive Numerator At Limit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1486: EVAP Leak Monitor Pinched Hose Found
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1489: -High Speed Fan Relay Control Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1490: Low Speed Fan Relay Control Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1491: Cooling Fan Relay Control Circuit
    • Possible Causes
    • Testing
  • DTC P1492: Battery Temperature Sensor Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1493: Battery Temperature Sensor Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1494: Leak Detection Pump SW Or Mechanical Fault
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1495: Leak Detection Pump Solenoid Circuit
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1594: Charging System Voltage Too High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1595: Speed Control Solenoid Circuits, DTC P1683: SPD CTRL PWR Relay; Or S/C 12V Driver CKT
    • Notes
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1596: Speed Control Switch Always High
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1597: Speed Control Switch Always Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1682: Charging System Voltage Too Low
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1685: Wrong Or Invalid Key MSG Received From Skim
    • Possible Causes
    • Testing
  • DTC P1686: No Skim Bus Message Received
    • Possible Causes
    • Testing
  • DTC P1687: No Cluster Bus Message
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1692: Cluster Software Mismatch
    • When Monitored and Set Condition:
    • Possible Causes
    • Testing
  • DTC P1696: Pcm Failure EEPROM Write Denied
    • Possible Causes
    • Repair Instructions:
  • DTC P1698: No Bus Message From Trans Control Module
    • Possible Causes
    • Testing
  • DTC P1899: P/N Switch Performance
    • Possible Causes
    • Testing
  • *Brake Switch Sense Status Does Not Change On DRBIII(R)
    • Possible Causes
    • Testing
  • *Checking A/C System Operation With No DTCS
    • Possible Causes
    • Testing
  • *Checking Evaporative Emission Operation With No DTCS
    • Possible Causes
    • Testing
  • *Checking Hard To Fill With Fuel
    • Possible Causes
    • Repair Instructions:
  • *Checking The Pcm Power And Grounds
    • Possible Causes
    • Testing
• Starting
  • *Checking Fuel Delivery
    • Possible Causes
    • Testing
  • *Checking Hard Start (Fuel Delivery System)
    • Possible Causes
    • Testing
  • *Engine Cranks Does Not Start
    • Possible Causes
    • Testing
  • *Fuel Pressure Leak Down
    • Possible Causes
    • Testing
  • *No Crank Condition
    • Possible Causes
    • Testing
  • *No Response From Pcm With A No Start Condition
    • Possible Causes
    • Testing
  • *Start And Stall Condition
    • Possible Causes
    • Testing
• Verification Tests
  • Body Verification Test - VER 1
  • Powertrain Verification Test VER-1
  • Powertrain Verification Test VER-2
  • Powertrain Verification Test VER-3
  • Powertrain Verification Test VER-4
  • Powertrain Verification Test VER-5
  • Powertrain Verification Test VER-6
  • Skis Verification
• Component Locations
  • Control Modules And PDC
  • Data Link Connector
  • Sensors And Solenoids
  • Fuel System
  • Switches
• Connector PINOUTS
  • A/C Compressor Clutch - Black 2 Way
  • A/C High Pressure Switch (4.0L) - Black 2 Way
  • A/C Low Pressure Switch (2.4L) - Green 2 Way
  • A/C Low Pressure Switch (4.0L) - Green 2 Way
  • A/C Pressure Transducer (2.4L) - 4 Way
  • Battery Temperature Sensor - Black 2 Way
  • Brake Lamp Switch - Gray 6 Way
  • Brake Transmission Shift Interlock Solenoid - White 2 Way
  • Camshaft Position Sensor (2.4L) - Black 3 Way
  • Camshaft Position Sensor (4.0L) - 3 Way
  • CLOCKSPRING C1 - 4 Way
  • Clutch Pedal Position Sensor (M/T) - Black 2 Way
  • Crankshaft Position Sensor (2.4L/4.0L A/T) - Black 3 Way
  • Crankshaft Position Sensor (4.0L M/T) - Black 3 Way
  • Data Link Connector - Black 16 Way
  • Engine Coolant Temperature Sensor - Black 2 Way
  • Engine Oil Pressure Switch - Black 2 Way
  • EVAP/Purge Solenoid - Black 2 Way
  • Fuel Injector No. 1 (2.4L) - 2 Way
  • Fuel Injector No. 1 (4.0L) - 2 Way
  • Fuel Injector No. 2 (2.4L) - 2 Way
  • Fuel Injector No. 2 (4.0L) - 2 Way
  • Fuel Injector No. 3 (2.4L) - 2 Way
  • Fuel Injector No. 3 (4.0L) - 2 Way
  • Fuel Injector No. 4 (2.4L) - 2 Way
  • Fuel Injector No. 4 (4.0L) - 2 Way
  • Fuel Injector No. 5 (4.0L) - 2 Way
  • Fuel Injector No. 6 (4.0L) - 2 Way
  • Fuel Pump Module - 4 Way
  • Fuses (Fuse/Relay Block)
  • Generator - 3 Way
  • Generator - Black 2 Way
  • Idle Air Control Motor - Black 4 Way
  • Ignition Coil Pack (2.4L) - Black 3 Way
  • Ignition Coil Pack (4.0L) - Black 4 Way
  • Ignition Switch - 10 Way
  • Intake Air Temperature Sensor - Gray 2 Way
  • Leak Detection Pump - Black 4 Way
  • Manifold Absolute Pressure Sensor (2.4L) - Black 3 Way
  • Manifold Absolute Pressure Sensor (4.0L) - Black 3 Way
  • Overdrive Off Switch - 4 Way
  • Oxygen Sensor 1/1 Upstream - 4 Way
  • Oxygen Sensor 1/2 Downstream - Black 4 Way
  • Oxygen Sensor 2/1 Upstream(Except Export/Japan Low Emission Vehicle) - 4 Way
  • Oxygen Sensor 2/2 Downstream Except Export/Japan Low Emission Vehicle) - 4 Way
  • Fuses (PDC)
  • A/C Compressor Clutch Relay (In PDC)
  • Automatic Shut Down Relay (In PDC)
  • Engine Starter Motor Relay (In PDC)
  • Fuel Pump Relay (In PDC)
  • High Speed Radiator Fan Relay (2.4L)
  • Low Speed Radiator Fan Relay (2.4L)
  • Oxygen Sensor Downstream Heater Relay
  • Power Steering Pressure Switch (2.4L) - Black 2 Way
  • Powertrain Control Module C1 - Black 32 Way
  • Powertrain Control Module C2 - White 32 Way
  • Powertrain Control Module C3 - Gray 32 Way
  • Sentry Key Immobilizer Module - Black 6 Way
  • Speed Control Servo - Black 4 Way
  • Throttle Position Sensor (2.4L) - White/Blue 3 Way
  • Throttle Position Sensor (4.0L) - 3 Way
  • Vehicle Speed Sensor - Black 3 Way