Operation CHARM: Car repair manuals for everyone.
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Rear Washer Switch

1. Key OFF.
2. Disconnect the rear window washer switch connector.
3. Depress the rear window washer switch.
4. Measure the resistance between the "BL/Y" wire terminal and the "BK" wire terminal on the rear window washer switch.
5. Release the rear window washer switch.
6. Measure the resistance between the "BL/Y" wire terminal and the "BK" wire terminal on the rear window washer switch.
7. The resistance should be less than 5 ohms with the rear window washer switch depressed, and greater than 10,000 ohms with the rear window washer switch released.
8. If the rear window washer switch tests OK, return to the Pinpoint Test. Pinpoint Tests