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Test C: All Power Windows Are Inoperative

PINPOINT TEST C: ALL POWER WINDOWS ARE INOPERATIVE


C1-C4:






C4 Continued:






Normal Operation
Power is supplied to the driver window control switch from the smart junction box (SJB) accessory relay through circuit 400 (LB/BK). The driver window control switch is grounded through circuit 57 (BK). The driver window control switch provides voltage and ground for all other power windows.

Possible Causes
- circuit 57 (BK) open
- circuit 400 (LB/BK) open or short to ground
- driver window control switch
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