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 cooling fan relay and water ternperature switch, and check for a separated connector or severed wire between the cooling fan relay and water ternperature switch.





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

3. CONNECT WATER TEMPERATURE SWITCH CONNECTOR


High Temperature (Above 93°C (199°F))

4. START ENGINE
(a) Raise coolant temperature to above 93°C (199°F).





(b) Check that the fan rotates.
If not, replace the water temperature switch.