On-Vehicle Inspection

ON-VEHICLE INSPECTION

Low Temperature (Below 83°C (181 °F))



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