Computer Control System
- Description
- Operation
- Characteristics
- Electronic Fuel Injection (EFI)
- Data Sensors
- Notes
- A/C Switch
- Airflow Sensor
- Air Temperature Sensor
- Cold Start Injector Time Switch
- Coolant Temperature Sensor
- Coolant Temperature Switch
- EGR Gas Temperature Sensor
- Engine Speed
- Knock Sensor (KS)
- Neutral/Start Switch
- Oxygen (O2) Sensor
- Sub-Oxygen Sensor (Calif. Only)
- Throttle Position Sensor
- Turbo Pressure Sensor
- Vehicle Speed Sensor (VSS)
- 4WD Switch
- Electronic Control Unit (Ecu)
- Diagnostic System
- Component Location
- Diagnosis & Testing
- Ecu Connector Identification
- Diagnostic Charts
- Diagnostic Circuit Check
- Ecu Pin Voltage Test
- No. 1 Test, Code 11, Ecu (+B) Circuit
- No. 2 Test, Code 12, 13, 14, Ignition & Rpm Signal
- No. 3 Test, Code 22, Coolant Temp. Sensor Circuit
- No. 4 Test, Code 24, Air Temp. Sensor Circuit
- No. 5 Test, Code 31, Airflow Meter Signal
- No. 6 Test, Code 41, Throttle Position Sensor Signal
- No. 7 Test, Code 43, Starter Signal
- No. 8 Test, Code 71, EGR System
- No. 9 Test, Injector Circuit Test
- No. 10 Test, Airflow Meter Signal
- No. 11 Test, Ignition & Rpm Signal
- No. 12 Test, ISC Valve Circuit
- No. 13 Test, Check Engine Light Circuit
- No. 14 Test, A/C Switch Signal
- No. 15 Test, HAC Sensor
- No. 16 Test, O2 Sensor Circuit
- Component Testing
- Airflow Meter
- Idle Speed Control Valve
- Throttle Position Sensor
- Cold Start Injector Time Switch
- Coolant Temperature Sensor
- EGR Temperature Sensor
- Sub-Oxygen Sensor
- Oxygen Sensor Heater
- Knock Sensor
- Oxygen Sensor
- Turbocharging Pressure Sensor
- Turbocharging Pressure Vacuum Switching Valve
- Vehicle Speed Sensor
- Injector Solenoid Resistor
- Fuel-Cut Rpm
- Neutral/Start Switch
- Wiring Diagrams