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Home >> Lexus >> 1999 >> SC 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Wiper and Washer Systems >> Windshield Washer Switch >> Testing and Inspection
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Windshield Washer Switch: Testing and Inspection




INSPECT WIPER AND WASHER SWITCH CONTINUITY




WIPER OFF




WIPER INT




WIPER LO




WIPER HI




WASHER
If continuity is not as specified, replace the switch.




INSPECT WIPER AND WASHER SWITCH RESISTANCE
Inspect the switch resistance between terminals.
If resistance value is not as specified, replace the switch.







INSPECT WIPER AND WASHER SWITCH CIRCUIT
Disconnect the switch and wiper relay connector, inspect each connector on the wire harness side.
If continuity is not as specified, replace the switch.
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