Test X: The Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls

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

X1-X3:

X3-X4:

Normal Operation
Under normal operation, the auxiliary temperature blend door actuator motor is supplied voltage by circuit 294 (WH/LB) and ground by circuit 57 (BK). A signal voltage is received by the auxiliary temperature blend door actuator motor from the front auxiliary temperature control through circuit 1126 (LB).

Possible Causes
- Fuse
- An open in circuits 57 (BK), 294 (WH/LB) or 1126 (LB)
- Front auxiliary controls
- Auxiliary temperature door actuator