Pinpoint Test 4: A Single Power Window Is Inoperative - LH Rear Window
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PINPOINT TEST 4: A SINGLE POWER WINDOW IS INOPERATIVE - LH REAR WINDOW
Normal Operation
The window adjust switch, left rear receives power from the master window adjust switch through circuit (V/W). The window adjust switch, left rear provides power to the power window motor, left rear through circuit (GY) and ground through circuit (W/V) to operate the LH rear window down; and power through circuit (W/V) and ground through circuit (GY) to operate the LH rear window up.When operating the LH rear window using the master window adjust switch, power is sent to the window adjust switch, left rear through circuit (Y, BR/G) and ground through circuit (L/O, GY/V) to operate the LH rear window down; and power through circuit (L/O, GY/V) and ground through circuit (Y, BR/G) to operate the LH rear window up.
Possible Causes
- Wiring, terminals or connectors
- Master window adjust switch
- Window adjust switch, left rear
- Power window motor, left rear
Diagnostic Procedure