Test W

PINPOINT TEST W: THE TEMPERATURE CONTROL IS INOPERATIVE USING THE FRONT AUXILIARY CLIMATE CONTROLS

Test W1-W2:

Test W3-W4:

Normal Operation
Under normal operation, the auxiliary temperature blend door actuator motor is supplied voltage by circuit 1003 (GY/YE) and ground by circuit 1205 (BK). A signal voltage is received by the auxiliary temperature blend door actuator motor from the front auxiliary temperature control through circuit 1125 (BN).

Possible Causes
- An open, short to voltage, ground or together in circuits 1205 (BK), 1003 (GY/YE) or 1125 (BN).
- Front auxiliary climate control assembly.
- Auxiliary temperature blend door actuator motor.
- Broken/binding auxiliary temperature blend door.