1. Turn the ignition switch to the RUN position.
2. Backprobe the master window switch harness connector. Use the J 39200 Digital Multimeter (DMM) in order to measure the voltage between terminal A and ground.
3. Place the left front window switch in the DOWN position.

Does the voltage equal the specified value?

B+

Go to Step 2

Go to Step 4

1. Backprobe the master window switch harness connector. Use the J 39200 DMM in order to measure the voltage between terminal E and ground.
2. Place the left front window switch in the UP position.

Does the voltage equal the specified value?

B+

Go to Step 3

Go to Step 4

1. Disconnect the left front window motor.
2. Use the J 39200 DMM in order to measure the voltage between terminal A of the left front window harness connector and ground.
3. Place the left front window switch in the DOWN position.

Does the voltage equal the specified value?

B+

Go to Step 5

Go to Step 6

Replace the master window switch. Refer to Window Switch Replacement - Console .

Is the repair complete?

--

System OK

--

1. Use the J 39200 DMM in order to measure the voltage between terminal B of the left front window harness connector and ground.
2. Place the left front window switch in the UP position.

Does the voltage equal the specified value?

B+

Go to Step 7

Go to Step 8

Repair the open in CKT 165 between the master window switch and the left front window motor. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

System OK

--

Replace the left front window motor. Refer to Front Side Door Window Regulator Replacement .

Is the repair complete?

--

System OK

--

Repair the open in CKT 164 between the master window switch and the left front window motor. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

System OK

--