Diagnostic Test

1) TEST THE LEFT FRONT POWER WINDOW MOTOR

Fig 1: Testing Left Front Power Window Motor
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Body Control Module (BCM) C4 harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a fused jumper wire from cavity 12 of the BCM C4 harness connector to B(+).

Connect a second fused jumper wire to cavity 13 of the BCM harness connector and momentarily connect the jumper to ground.

Note the window movement; if the left front window does not move, reverse the jumper wires at the B(+) and ground connections.

Did the left front window move upward or downward?

Yes
1. Replace the Body Control Module. Refer to REMOVAL .
2. Perform *BODY VERIFICATION TEST .
No
1. Go to 2).
2) MEASURE LEFT FRONT POWER WINDOW DRIVER CIRCUITS RESISTANCE

Fig 2: Measuring Left Front Power Window Driver Circuits Resistance
Courtesy of CHRYSLER LLC

With the ignition off.

Disconnect the Left Front Power Window Motor harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between cavity 1 and cavity 2 of the Left Front Power Window Motor harness connector.

Measure the resistance between cavity 12 and cavity 13 of the BCM C4 harness connector.

Is the resistance below 5.0 ohms?

Yes
1. Replace the Left Front Power Window Motor. Refer to REMOVAL .
2. Perform *BODY VERIFICATION TEST .
No
1. Repair the Left Front Power Window Driver circuit for an open.
2. Perform *BODY VERIFICATION TEST .