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Home >> Toyota >> 1998 >> Avalon XLS >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System >> System Tests >> Front Wiper Switch Operation Test >> Avalon, Camry, Corolla, Sienna, Tacoma & 4Runner

Avalon, Camry, Corolla, Sienna, Tacoma & 4Runner

  1. Disconnect combination switch connector. Connect fused jumper between battery voltage and terminal No. 16 (switch-side). Connect jumper wire between ground and terminal No. 2. See Figure. Connect DVOM positive lead to terminal No. 7 and negative lead to terminal No. 2.
  2. Depress washer switch and monitor DVOM voltage readings. On Camry, Sienna and Tacoma, readings should change from zero volts to battery voltage within one second of depressing washer switch. After switch is released, readings should change from battery voltage to zero volts in about 25 seconds (3 seconds on Supra, Tacoma and 4Runner). If readings are not as specified, replace wiper/washer switch. See FRONT WIPER SWITCH R & I  under REMOVAL & INSTALLATION.
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