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• MODEL SELECTION INDEX
• MY 2005 VZ Series - Service Information
• Section 6C3-2 Powertrain Management – GEN III V8 – Diagnost
  • 1 General Information
    • 1.1 Starting Diagnostics
    • 1.2 DTC Tables
      • Multiple DTCs Fault Condition
    • 1.3 Symptoms Diagnostics
    • 1.4 Diagnostic Trouble Codes (DTCs)
      • Type A – Emission Related DTCs
      • Type B – Emission Related DTCs
        • Conditions for Clearing Type A or Type B DTCs
      • Type C – Non-emission Related DTCs
        • Condition for Clearing the Type C DTCs
      • Current DTCs
      • History DTCs
  • 2 Wiring Diagram and Connector Chart
    • 2.1 Wiring Diagram
    • 2.2 Connector Chart
    • 2.3 Connector Information
      • PCM Connector A84 – X1 (Blue)
      • PCM Connector A84 – X2 (Green)
    • 2.4 PCM Connector Terminal Definitions
      • PCM Connector A84 – X1 (Blue)
      • PCM Connector A84 – X2 (Green)
  • 3 Diagnostics Starting Point
    • 3.1 Basic Requirements
      • Basic Knowledge Required
      • Basic Tools Required
    • 3.2 Diagnostic Precautions
    • 3.3 Preliminary Checks
    • 3.4 Diagnostic System Check
  • 4 Symptoms Diagnosis Tables
    • 4.1 Symptoms Diagnosis Table
    • 4.2 Intermittent Fault Conditions
      • Description
      • Diagnostic Table
    • 4.3 Backfire
      • Description
    • 4.4 Cranks But Does Not Run
      • Definition
    • 4.5 Misfires, Cuts Out
      • Description
    • 4.6 Detonation/Spark Knock
      • Description
    • 4.7 Dieseling, Run-On
      • Description
    • 4.8 Hard Start
      • Definition
    • 4.9 Hesitation, Sag and Stumble
      • Description
    • 4.10 Lack of Power, Sluggishness or Sponginess
      • Description
    • 4.11 Poor Fuel Economy
      • Description
    • 4.12 Rough, Unstable, Incorrect Idle or Stalling
      • Description
    • 4.13 Surges/Chuggles
      • Description
    • 4.14 Fuel Pump Not Operating
      • Circuit Description
      • Additional Information
      • Test Description
      • Fuel Pump Not Operating Diagnostic Table
    • 4.15 Fuel Pump Continuously Operating
      • Circuit Description
      • Additional Information
      • Test Description
      • Fuel Pump Continuously Operating Fault Condition Diagnostic Table
    • 4.16 Automatic Transmission Functional Check procedure
      • Description
    • 4.17 Automatic Transmission Power / Economy Switch
      • Circuit Description
      • Additional Information
      • Fuel Pump Continuously Operating Fault Condition Diagnostic Table
  • 5 Diagnostic Trouble Codes
    • 5.1 DTC List
    • 5.2 DTC P1539 – A/C Clutch Feedback Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P1539 Diagnostic Table
    • 5.3 DTC P0645 – A/C Clutch Relay Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0645 Diagnostic Table
    • 5.4 DTC P0530 – A/C Refrigerant Pressure Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0530 Diagnostic Table
    • 5.5 DTC P1637 – Generator L Terminal Circuit Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • Key ON Test
        • Engine Run Test
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P1637 Diagnostic Table
    • 5.6 DTC P1125, P2120 or P2125 – APP Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P1125
        • DTC P2120 and P2125
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P1125, P2120 or P2125 Diagnostic Table
    • 5.7 DTC P0894 – Automatic Transmission Component Slipping
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • Condition 1
        • Condition 2
        • Condition 3
      • Conditions for Clearing the DTC
      • DTC P0894 Diagnostic Table
    • 5.8 DTC P1574 – Stop Lamp Switch Circuit Malfunction
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P1574 Diagnostic Table
    • 5.9 DTC P1575 – Extended Brake Travel Switch Circuit
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P1575 Diagnostic Table
    • 5.10 DTC P0341, P0342 or P0343 – Camshaft Position Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0341, P0342 or P0343 Diagnostic Table
    • 5.11 DTC P0481 – Cooling Fan High Speed Relay Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0481 Diagnostic Table
    • 5.12 DTC P0335 or P0336 – Crankshaft Position Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0335
        • DTC P0336
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0335 or P0336 Diagnostic Table
    • 5.13 DTC P0567– Cruise Control Resume/Accel Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Action Taken When the DTC Sets
      • Conditions for Clearing the DTC
      • DTC P0567 Diagnostic Table
    • 5.14 DTC P0568– Cruise Control Set/Coast Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Action Taken When the DTC Sets
      • Conditions for Clearing the DTC
      • DTC P0568 Diagnostic Table
    • 5.15 DTC P0571 – Cruise Control Brake Switch Circuit 1 Malfuction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0571 Diagnostic Table
    • 5.16 DTC P2108 – Electronic Throttle Control Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P2108 Diagnostic Table
    • 5.17 DTC P0116, P0117, P0118, P0125, P1114, P1115 or P1258 – Engine Coolant Temperature Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0116
        • DTC P0117
        • DTC P0118
        • DTC P0125
        • DTC P1114
        • DTC P1115
        • DTC P1258
      • Conditions for Setting the DTC
        • DTC P0116
        • DTC P0117
        • DTC P0118
        • DTC P0125
        • DTC P1114
        • DTC P1115
        • DTC P1258
      • Conditions for Clearing the DTC
      • DTC P0116, P0117, P0118, P0125, P1114, P1115 or P1258 Diagnostic Table
    • 5.18 DTC P0522 or P0523 – Engine Oil Pressure Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0522 or P0523 Diagnostic Table
    • 5.19 DTC P0654 – Engine Speed Output Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0654 Diagnostic Table
    • 5.20 DTC P0443 – Evaporative Emission Control System Purge Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0443 Diagnostic Table
    • 5.21 DTC P0200 – Fuel Injector Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0200 Diagnostic Table
    • 5.22 DTC P0461, P0462 or P0463 – Fuel Level Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • DTC P0461
        • DTC P0462 and P0463
      • Conditions for Clearing the DTC
      • DTC P0461, P0462 or P0463 Diagnostic Table
    • 5.23 DTC P0230 – Fuel Pump Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0230 Diagnostic Table
    • 5.24 DTC P0135 or P0155 – Heated Oxygen Sensor Heater Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • Current Monitor
        • Resistance Out of Range
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0135 or P0155 Diagnostic Table
    • 5.25 DTC P0131, P0132, P0134, P0151, P0152, P0154, P0171, P0172, P0174 or P0175 - Heated Oxygen Sensor Reference Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0131, P0132, P0151 and P0152
        • DTC P0134 and P0154
        • DTC P0171, P0172, P0174 and P0175
      • Conditions for Setting the DTC
        • DTC P0131 and P0151
        • DTC P0132 and P0152
        • DTC P0134 and P0154
        • DTC P0171 and P0174
        • DTC P0172 and P0175
      • Conditions for Clearing the DTC
      • DTC P0131, P0132, P0134, P0151, P0152, P0154, P0171, P0172, P0174 or P0175 Diagnostic Table
    • 5.26 DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357 or P0358 - Ignition Control Circuits
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357 or P0358 Diagnostic Table
    • 5.27 DTC P1626, P1630 or P1631 – Immobiliser Signal
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P1626
        • DTC P1630
        • DTC P1631
      • Conditions for Setting the DTC
        • DTC P1626
        • DTC P1630
        • DTC P1631
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P1626, P1630 or P1631 Diagnostic Chart
    • 5.28 DTC P0112, P0113, P1111 or P1112 – Intake Air Temperature Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0112
        • DTC P0113
        • DTC P1111
        • DTC P1112
      • Conditions for Setting the DTC
        • DTC P0112
        • DTC P0113
        • DTC P1111
        • DTC P1112
      • Conditions for Clearing DTCs
      • Test Description
      • DTC P0112, P0113, P1111 or P1112 Diagnostic Table
    • 5.29 DTC P0325, P0327 or P0332 – Knock Sensor System
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0325
        • DTC P0327 and P0332
      • Conditions for Setting the DTC
        • DTC P0325
        • DTC P0327 and P0332
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0325, P0327 or P0332 Diagnostic Table
    • 5.30 DTC P0106, P0107, P0108, P1106 or P1107 – Manifold Absolute Pressure Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0106
        • DTC P0107
        • DTC P0108
        • DTC P1106
        • DTC P1107
      • Conditions for Setting the DTC
        • DTC P0106
        • DTC P0107
        • DTC P0108
        • DTC P1106
        • DTC P1107
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0106, P0107, P0108, P1106 or P1107 Diagnostic Table
    • 5.31 DTC P0068 – MAP / MAF and Throttle Position Correlation Fault
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0068 Diagnostic Table
    • 5.32 DTC P0101, P0102 or P0103 – Mass Air Flow Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0101
        • DTC P0102
        • DTC P0103
      • Conditions for Setting the DTC
        • DTC P0101
        • DTC P0102
        • DTC P0103
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0101, P0102 or P0103 Diagnostic Table
    • 5.33 DTC P0601, P0602, P0604 or P2610 – Powertrain Control Module Internal Performance, Programming or Memory Fault
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Test Description
      • DTC P0601, P0602, P0604 or P2610 Diagnostic Table
    • 5.34 DTC P0748 – Pressure Control Solenoid Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0748 Diagnostic Table
    • 5.35 DTC P0801 – Reverse Inhibit Solenoid Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0801 Diagnostic Table
    • 5.36 DTC P0562 or P0563 – System Voltage
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0562 or P0563 Diagnostic Table
    • 5.37 DTC P0506, P0507, P2101 or P2119 – TAC Motor Control Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0506 and P0507
        • DTC P2101
        • DTC P2119
      • Conditions for Setting the DTC
        • DTC P0506
        • DTC P0507
        • DTC P2101 and P2119
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0506, P0507, P2101 or P2119 Diagnostic Table
    • 5.38 DTC P1810 – TFP Valve Position Switch Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • TFP Manual Valve Position Switch Logic Table
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
        • Condition 1
        • Condition 2
        • Condition 3
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P1810 Diagnostic Table
    • 5.39 DTC U0107 – Throttle Actuator Control Serial Communication Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC U0107 Diagnostic Table
    • 5.40 DTC P0120, P0121, P0122, P0123, P0220, P1121, P1122, P1516 or P2135 - Throttle Position Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0120, P0220 and P2135
        • DTC P0121
        • DTC P0122, P0123, P1121 and P1122
        • DTC P1516
      • Conditions for Setting the DTC
        • Except DTC P1516
        • DTC P1516
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0120, P0121, P0122, P0123, P0220, P1121, P1122, P1516 or P2135 Diagnostic Table
    • 5.41 DTC P0740, P0741, P0742 or P2761 – Torque Converter Clutch Solenoid Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0740
        • DTC P0741 and P2761
        • DTC P0742
      • Conditions for Setting the DTC
        • DTC P0740
        • DTC P0741 and P2761
        • DTC P0742
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0740, P0741, P0742 or P2761 Diagnostic Table
    • 5.42 DTC P0218, P0711, P0712 or P0713 – Transmission Fluid Temperature Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0218
        • DTC P0711
        • DTC P0712 and P0713
      • Conditions for Setting the DTC
        • DTC P0218
        • DTC P0711
        • DTC P0712
        • DTC P0713
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0218, P0711, P0712 or P0713 Diagnostic Table
    • 5.43 DTC P0705 or P0706 – Transmission Range Sensor
      • DTC Description
      • Circuit Description
      • Additional Information
      • Transmission Range Switch Valid Combination Table
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0705 or P0706 Diagnostic Table
    • 5.44 DTC P0608 – Vehicle Speed Output Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0608 Diagnostic Table
    • 5.45 DTC P0500, P0502 or P0503 – Vehicle Speed Sensor Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
        • DTC P0500
        • DTC P0502
        • DTC P0503
      • Conditions for Setting the DTC
        • DTC P0500
        • DTC P0502
        • DTC P0503
      • Conditions for Clearing the DTC
      • DTC P0500, P0502 or P0503 Diagnostic Table
    • 5.46 DTC P0751, P0752 or P0753 – 1-2 Shift Solenoid A
      • DTC Description
      • Circuit Description
      • Additional Information
      • Shift Solenoid Valid Combination Table
      • Conditions for Running the DTC
        • DTC P0751
        • DTC P0752
        • DTC P0753
      • Conditions for Setting the DTC
        • DTC P0751
        • DTC P0752
        • DTC P0753
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0751, P0752 or P0753 Diagnostic Table
    • 5.47 DTC P0756, P0757 or P0758 – 2-3 Shift Solenoid B
      • DTC Description
      • Circuit Description
      • Additional Information
      • Shift Solenoid Valid Combination Table
      • Conditions for Running the DTC
        • DTC P0756
        • DTC P0757
        • DTC P0758
      • Conditions for Setting the DTC
        • DTC P0756
        • DTC P0757
        • DTC P0758
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0756, P0757 or P0758 Diagnostic Table
    • 5.48 DTC P0785 – 3-2 Downshift Control Solenoid Circuit
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • Test Description
      • DTC P0785 Diagnostic Table
    • 5.49 DTC P0641 – 5 Volt Reference Circuit 1 Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0641 Diagnostic Table
    • 5.50 DTC P0651 – 5 Volt Reference Circuit 2 Malfunction
      • DTC Description
      • Circuit Description
      • Additional Information
      • Conditions for Running the DTC
      • Conditions for Setting the DTC
      • Conditions for Clearing the DTC
      • DTC P0651 Diagnostic Table