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Front Wiper/Washer Switch Intermittent Operation: Highlander

  1. Disconnect combination switch connector. Turn wiper/washer switch to INT position. Rotate intermittent time control to FAST position. Connect fused jumper wire between battery voltage and terminal No. 17. Connect fused 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. DVOM should indicate battery voltage. With DVOM connected, momentarily connect terminals No. 2 and 16 with a fused jumper. See Figure. Monitor DVOM reading while rotating intermittent time control from SLOW to FAST positions. In SLOW position, voltage will change from zero to battery voltage within 10-15 seconds. In FAST position, voltage will change from zero to battery voltage in 2-4 seconds. If operation is not as specified, replace wiper/washer switch. See FRONT WIPER SWITCH  under REMOVAL & INSTALLATION.
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