Other Control Functions
- Fuel Pump Control:
Turns the fuel pump relay ON so that current is supplied to the fuel pump while the engine is cranking or running.
- A/C Compressor Clutch Relay Control:
Turns the compressor clutch of the A/C ON and OFF.
- Fan Relay Control:
The radiator fan and condenser fan speeds are controlled in response to the engine coolant temperature and vehicle speed.
- Evaporative Emission Purge Control. Refer to EMISSIONS CONTROL .