On-Vehicle Inspection

ON-VEHICLE INSPECTION

Low Temperature [below 83°C (181°F)





1. TURN IGNITION SWITCH "ON"
- Check that the fan stops.
- If it does not, check the fan relay and temperature switch, and check for a separated connector or severed wire between the relay and temperature switch.





2. DISCONNECT TEMPERATURE SWITCH CONNECTOR
- Check that the fan rotates.
- If not, check the fan relay, fan motor, ignition relay and fuse, and check for a short circuit between the fan relay and temperature switch.

3. CONNECT TEMPERATURE SWITCH WIRE

High Temperature [above 90°C (194°F)

4. START ENGINE





(a) Raise the engine temperature to above 90°C (194°F).
(b) Check that the fan rotates.
- If not, replace the temperature switch.