SC 400 V8-4.0L (1UZ-FE) (1997)
Windshield Washer Switch: Testing and Inspection
1. INSPECT WIPER AND WASHER SWITCH CONTINUITY
WIPER OFF
WIPER INT
WIPER LO
WIPER HI
WASHER
If continuity is not as specified, replace the switch.
2. INSPECT WIPER AND WASHER SWITCH RESISTANCE
Inspect the switch resistance between terminals.
If resistance value is not as specified, replace the switch.