Blower Motor: Testing and Inspection

Fault-Tracing Hints

The ventilation fan will be operative when the ignition switch is in the drive position.

1. Check fuse 9 and check that the supply to it is live.

2. Check that the supplies to switch 150 and switch 35 are live.

3. Turn the switch to different positions and check that the voltage to the fan motor changes.

4. Check the connectors, cable harnesses and earth connections.