Test B: Single Power Window Is Inoperative - Driver Front Window

PINPOINT TEST B: SINGLE POWER WINDOW IS INOPERATIVE - DRIVER FRONT WINDOW

B1-B2:

B3-B5:

Normal Operation
Under normal operation the driver window control switch provides power to the power window motor through circuit 991 (TN/LB) and ground through circuit 992 (WH/BK) to operate the driver window down, and power through circuit 992 (WH/BK) and ground through circuit 991 (TN/LB) to operate the driver window up.

Possible Causes
- Open in circuits 991 (TN/LB) or 992 (WH/BK)
- Inoperative driver window control switch
- Inoperative driver power window motor