Blower Motor Controller

Blower Motor Controller Inspection

Reference: Blower Motor Controller Removal and Installation







Check blower motor controller voltage as follows:
1. Turn ignition switch to ON position.
2. With blower motor controller connector connected, turn blower speed selector from OFF to MAX position while measuring voltage between "b" terminal of blower motor controller connector and body ground.




Check blower motor controller resistance as follows:
3. Disconnect blower motor controller connector.
4. Measure resistance between "c" and "d" terminals of blower motor controller.
- If measured resistance is incorrect, replace blower motor controller.

Blower motor controller resistance "c"-"d": approximately 1.5 kilo ohm.