Test B: A Single Power Window Is Inoperative - LH Front Window
PINPOINT TEST B: A SINGLE POWER WINDOW IS INOPERATIVE - LH FRONT WINDOWB1:
B1-B2:
Normal Operation
The LH front window control switch provides power to the LH front window motor through circuit 903 (RD) and ground through 992 (WH/BK) to operate the LH front window down, and power through circuit 992 (WH/BK) and ground through 903 (RD) to operate the LH front window up.
Possible Causes
- Circuit 903 (RD) open
- Circuit 992 (WH/BK) open
- LH front window control switch
- LH front window motor