Test C: A Single Power Window Is Inoperative - LH Front

PINPOINT TEST C: A SINGLE POWER WINDOW IS INOPERATIVE - LH FRONT

C1-C3:

C3-C4:

Normal Operation
The LH front window control switch provides power to the LH front window motor through circuit 991 (TN/LB) and ground through 992 (WH/BK) to operate the LH front window downward and power through circuit 992 (WH/BK) and ground through 991 (TN/LB) to operate the LH front window upward.

Possible Causes
- Open in circuits 991 (TN/LB) or 992 (WH/BK)
- Window control switch
- LH front window motor