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 6 and check that the supply to the fuse is live.

2. Check the voltage to selector switch 35 and main switch 149.

NOTE The main switch 149 is in the air distribution control. This switch must be moved from the O position to close the supply circuit to selector switch 35.

3. Set selector switch 35 to different positions and check the voltages supplied to the motor 36 in each position.

4. Check the connector, wiring and earth connections.