Engine Control Module
Description and Operation- Circuit Operation
- Inputs
- Air Conditioning (A/C) Controls
- Automatic Shutdown (ASD) Relay Sense
- Battery Temperature Sensor
- Battery Voltage
- Brake Switch
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Data Link Connector
- Engine Coolant Temperature Sensor
- Five Volt Sensor Supply-Primary
- Five Volt Sensor Supply-Secondary
- Fuel Level Sensor
- Generator Output
- Ignition Circuit Sense
- Intake Manifold Air Temperature Sensor
- Leak Detection Pump (Switch) Sense
- Manifold Absolute Pressure (MAP) Sensor
- Oil Pressure Sensor
- Output Shaft Speed Sensor
- Overdrive/Override Switch
- Oxygen Sensors (02S)
- Sensor Return
- Signal Ground
- Speed Control Switches
- Throttle Position Sensor (TPS)
- Transmission Governor Pressure Sensor
- Transmission Park/Neutral Switch
- Transmission Temperature Sensor
- Vehicle Speed and Distance Sensor
- Modes of Operation
- Non-Monitored Circuits
- Outputs
- Air Conditioning (A/C) Clutch Relay
- Automatic Shutdown (ASD) Relay
- CCD Bus (+/-) Circuits
- Data Link Connector
- Duty Cycle EVAP Purge Solenoid Valve
- Fuel Injectors
- Fuel Pump Relay
- Generator Field Driver
- Generator Field Source
- Generator Lamp
- Governor Pressure Solenoid
- Idle Air Control (IAC) Motor
- Ignition Coil
- Leak Detection Pump, Evaporative System
- Malfunction Indicator (Check Engine) Lamp
- Manual Transmission
- Overdrive Lamp
- Power Ground
- Speed Control Solenoids
- Tachometer
- Three-Four Shift Solenoid
- Torque Convertor Clutch (TCC) Solenoid
- Transmission Relay
- Overview
- Powertrain Control Module (PCM)
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Technical Service Bulletins