Component Function Check
- CHECK COOLING FAN LOW SPEED FUNCTION
With CONSULT-III
- Turn ignition switch ON.
- Perform "COOLING FAN" in "ACTIVE TEST" mode with CONSULT-III and touch "LOW" on the CONSULT-III screen.
- Check that cooling fans operates at low speed.
Without CONSULT-III
- Start engine and let it idle.
- Turn air conditioner switch and blower fan switch ON.
- Check that cooling fan operates at low speed.
Is the inspection result normal?
YES: GO TO 2.
NO: Check cooling fan low speed control circuit. Refer to "PROCEDURE A " in "DIAGNOSIS PROCEDURE ".
- CHECK COOLING FAN HIGH SPEED FUNCTION
With CONSULT-III
- Touch "HI" on the CONSULT-III screen.
- Check that cooling fans operates at higher speed than low speed.
Without CONSULT-III
- Turn ignition switch OFF.
- Turn air conditioner switch and blower fan switch OFF.
- Disconnect engine coolant temperature sensor harness connector.
- Connect 150Ω resistor to engine coolant temperature sensor harness connector.
- Restart engine and check that cooling fan operates at higher speed than low speed.
Is the inspection result normal?
YES: INSPECTION END
NO: Check cooling fan high speed control circuit. Refer to "PROCEDURE B " in "DIAGNOSIS PROCEDURE ".