Test I

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

Test I1-I2:

Test I3-I5:

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 992 (WH/BK) to operate the driver window down, and power through circuit 992 (WH/BK) and ground through 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.