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MODEL SELECTION INDEX
VX SERIES - COMMODORE, CALAIS SERVICE INFORMATION
SECTION 6C1-1 - GENERAL INFORMATION V6 ENGINE
1. GENERAL DESCRIPTION
1.1 POWERTRAIN CONTROL MODULE (PCM) V6 ENGINE
PCM PROGRAMMING
PCM SECURITY LINK
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
ENGINE COOLING FAN SIGNAL
TRANSMISSION POWER/ECONOMY SWITCH
THEFT DETERRENT INPUT
OIL PRESSURE SWITCH
1.3 AUTOMATIC TRANSMISSION INFORMATION SENSORS & SIGNALS
1-2 (A) AND 2-3 (B) SHIFT SOLENOID VALVES
3-2 SHIFT SOLENOID VALVE ASSEMBLY
TRANSMISSION PRESSURE CONTROL SOLENOID
TORQUE CONVERTER CLUTCH SOLENOID VALVE
TORQUE CONVERTER CLUTCH PWM SOLENOID VALVE
TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH
VEHICLE SPEED SENSOR
AUTOMATIC TRANSMISSION FLUID TEMPERATURE SENSOR
TRANSMISSION PASS-THRU CONNECTOR
1.4 FUEL CONTROL SYSTEM
PURPOSE
FUNCTION
MASS AIR FLOW SYSTEM
MODES OF OPERATION
CAMSHAFT POSITION SENSOR
SHORT TERM FUEL TRIM
LONG TERM FUEL TRIM
LONG TERM FUEL TRIM CELLS
BASIC FUEL SYSTEM OPERATION
SYSTEM COMPONENTS
1.5 IDLE AIR CONTROL (IAC) VALVE
1.6 DIRECT IGNITION SYSTEM (DIS)
PURPOSE
OPERATION
SYSTEM COMPONENTS
DIRECT IGNITION SYSTEM (DIS) NOTEWORTHY INFORMATION
1.7 ELECTRONIC SPARK TIMING (EST)
HOW DTC P1351 AND DTC P1361 ARE DETERMINED
RESULTS OF INCORRECT OPERATION
1.8 ELECTRONIC SPARK CONTROL (ESC) SYSTEM
PURPOSE
OPERATION
1.9 EVAPORATIVE EMISSION
RESULTS OF INCORRECT OPERATION
1.10 ELECTRIC COOLING FAN
ENGINE COOLING FAN LOW SPEED
ENGINE COOLING FAN HIGH SPEED
1.11 A/C CLUTCH CONTROL
1.12 A/C REFRIGERANT PRESSURE SENSOR
1.13 ELECTRONIC TRACTION CONTROL
PURPOSE
1.14 ABBREVIATIONS AND GLOSSARY OF TERMS