Output Signals
NOTE:
Vehicles are equipped with different combinations of computer-controlled components. Not all components listed below are used on every vehicle. For theory and operation of components, refer to indicated system.
- A/C CLUTCH RELAY refer to MISCELLANEOUS ECM CONTROLS .
- AIR INJECTION CONTROL SOLENOID see EMISSION SYSTEMS (GAS) .
- CHARGE AIR COOLER PUMP RELAY (4.3L TURBO) refer to TURBOCHARGER .
- COOLING FAN RELAY (3.1L) refer to MISCELLANEOUS ECM CONTROLS .
- SERVICE ENGINE SOON LIGHT refer to SELF-DIAGNOSTIC SYSTEM .
- EGR CONTROL SOLENOID VALVE refer to EMISSION SYSTEMS (GAS) .
- ESC TIMING RETARD refer to IGNITION SYSTEM .
- EVRV SOLENOID refer to EMISSION SYSTEMS (GAS) .
- FUEL INJECTORS refer to FUEL CONTROL (GAS) .
- FUEL MODULE refer to FUEL DELIVERY (GAS) .
- FUEL PUMP & FUEL PUMP RELAY refer to FUEL DELIVERY (GAS) .
- HEI-EST IGNITION refer to IGNITION SYSTEM .
- IDLE AIR CONTROL (IAC) VALVE refer to IDLE SPEED (GAS) .
- SELF-DIAGNOSTICS refer to SELF-DIAGNOSTIC SYSTEM .
- SERIAL DATA refer to SELF-DIAGNOSTIC SYSTEM .
- SHIFT SOLENOIDS (4L80-E TRANSMISSION) refer to MISCELLANEOUS ECM CONTROLS .
- TORQUE CONVERTER CLUTCH refer to MISCELLANEOUS ECM CONTROLS .
- TRANSMISSION SHIFT LIGHT (MANUAL TRANSMISSION) refer to MISCELLANEOUS ECM CONTROLS .
- TURBO BOOST RELAY (4.3L TURBO) refer to TURBOCHARGER .
- WASTEGATE SOLENOID (4.3L TURBO) refer to TURBOCHARGER .