Test Z: The Panel/Floor and Cool/Warm Controls Are Inoperative Using The Rear Auxiliary Climate Controls

PINPOINT TEST Z: THE PANEL/FLOOR AND COOL/WARM CONTROLS ARE INOPERATIVE USING THE REAR AUXILIARY CLIMATE CONTROLS

Z1-Z2:

Z3:

Normal Operation
Under normal operation, the rear auxiliary climate control assembly receives voltage from the front auxiliary climate control assembly, when the REAR blower position is selected, through circuit 276 (BN) and ground from 1203 (BK/LB).

Possible Causes
- An open in circuit 276 (BN) or 1203 (BK/LB).
- Front Auxiliary Climate Control Assembly.
- Rear Auxiliary Climate Control Assembly.