Troubleshooting

1. If coolant temperature is low (below 181°F), proceed as follows:
a. Turn on ignition switch and check that cooling fan is not operating.
b. If fan is operating, check for faulty fan relay and/or temperature switch. Check too for separated electrical connectors or severed wire between relay and temperature switch.
c. Disconnect temperature switch wire, then check that fan rotates.
d. If fan does not rotate, check fan relay, fan motor, engine main relay and fuse. Check also for short circuit between fan relay and temperature switch.
e. Connect temperature switch wire.
2. Raise engine temperature at least 200°F, then check that fan rotates. If fan does not rotate, replace temperature switch.