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• MODEL SELECTION INDEX
• VT SERIES I - COMMODORE, CALAIS SERVICE INFORMATION
• SECTION 6C1-1 GENERAL INFORMATION
  • 1. GENERAL DESCRIPTION
    • 1.1 POWERTRAIN CONTROL MODULE (PCM)
      • POWERTRAIN CONTROL MODULE (PCM)
      • PCM SECURITY LINK
      • PROM
      • PCM MEMORY FUNCTIONS
    • 1.2 ENGINE INFORMATION SENSORS AND SIGNALS
      • CAMSHAFT POSITION SENSOR
      • ENGINE COOLANT TEMPERATURE (ECT) SENSOR
      • EXHAUST GAS OXYGEN SENSOR
      • INTAKE AIR TEMPERATURE (IAT) SENSOR
      • MASS AIR FLOW (MAF) SENSOR
      • THROTTLE POSITION (TP) SENSOR
      • EXHAUST GAS RECIRCULATION (EGR) SYSTEM
      • VEHICLE SPEED SENSOR (VSS)
      • A/C REQUEST SIGNAL
      • BATTERY VOLTAGE
      • CRANKSHAFT REFERENCE SIGNAL
      • CRANKING SIGNAL
      • ENGINE COOLING FAN SIGNAL
      • TRANSMISSION FLUID PRESSURE (TFP) SWITCH ASSEMBLY
      • THEFT DETERRENT INPUT
    • 1.3 TRANSMISSION INFORMATION INPUT SENSORS AND SIGNALS
      • INFORMATION SENSORS
      • ENGINE COOLANT TEMPERATURE (ECT) SENSOR
      • TRANSMISSION FLUID PRESSURE (TFP) SWITCH ASSEMBLY
      • TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR
      • THROTTLE POSITION (TP) SENSOR
      • TRANSMISSION ECONOMY/POWER SWITCH
      • VEHICLE SPEED SENSOR (VSS)
      • TRANSMISSION PASS-THRU CONNECTOR
    • 1.4 TRANSMISSION OUTPUTS CONTROLLED BY THE PCM
      • PRESSURE CONTROL SOLENOID
      • SHIFT SOLENOIDS
      • 3-2 SHIFT SOLENOID
      • TORQUE CONVERTER CLUTCH (TCC) SOLENOIDS
    • 1.5 FUEL CONTROL SYSTEM
      • PURPOSE
      • FUNCTION
      • MASS AIR FLOW SYSTEM
      • MODES OF OPERATION
      • SHORT TERM FUEL TRIM
      • LONG TERM FUEL TRIM
      • LONG TERM FUEL TRIM CELLS
      • BASIC FUEL SYSTEM OPERATION
      • SYSTEM COMPONENTS
    • 1.6 IDLE AIR CONTROL (IAC) VALVE
    • 1.7 DIRECT IGNITION SYSTEM (DIS)
      • PURPOSE
      • OPERATION
      • SYSTEM COMPONENTS
      • DIRECT IGNITION SYSTEM (DIS) NOTEWORTHY INFORMATION
    • 1.8 ELECTRONIC SPARK TIMING (EST)
      • HOW DTC 41 AND DTC 42 ARE DETERMINED
      • RESULTS OF INCORRECT OPERATION
    • 1.9 ELECTRONIC SPARK CONTROL (ESC) SYSTEM
      • PURPOSE
      • OPERATION
    • 1.10 EVAPORATIVE EMISSION
      • RESULTS OF INCORRECT OPERATION
    • 1.11 ELECTRIC COOLING FAN
      • ENGINE COOLING FAN LOW SPEED
      • ENGINE COOLING FAN HIGH SPEED
    • 1.12 A/C CLUTCH CONTROL
      • A/C CLUTCH CONTROL WITH ECC
      • A/C CLUTCH CONTROL WITHOUT ECC
    • 1.13 SUPERCHARGER SYSTEM
      • DESCRIPTION
      • SUPERCHARGER OPERATION
      • BOOST CONTROL
      • OPERATION
      • RESULTS OF INCORRECT OPERATION
      • DIAGNOSIS
    • 1.14 ELECTRONIC TRACTION CONTROL
      • PURPOSE
    • 1.15 ABBREVIATIONS AND GLOSSARY OF TERMS