Examination
Turn the ignition on and off.
Attention: Since the time relay is only in operation for 10 minutes after the ignition is turned on / off, the test must be carried out during this time interval.
Disconnect the wire from the temperature sensor and connect it to ground. The fan should start working at the first stage.
Otherwise, check the wires in accordance with the wiring diagram, if necessary, replace the time switch.
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