Coolant Fan Control System

OPERATION
Normal coolant fan operation is described in the table.

SYSTEM TEST
1. Start the engine, and run it at idle.
2. Verify that the coolant fan operates at low speed when engine coolant temperature 98° - 109° (208°F - 228°F).
3. Racing the throttle and verify the coolant fan operates at high speed when engine coolant temperature above 109°C (228°F).
4. If not as specified, inspect the input signals and fan relays.