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Front Washer Inoperative

  1. Turn ignition off. Remove and inspect WIPER fuse (20-amp) from interior fuse junction panel located under left side of instrument panel. If fuse is okay, go to step 4). If fuse is blown, go to next step.
  2. Turn ignition off. Replace WIPER fuse (20-amp). Turn ignition on. Turn wiper switch on. Recheck WIPER fuse. If fuse is blown, go to next step. If fuse is okay, go to step 4).
  3. Turn ignition off. Disconnect multifunction switch, wiper motor and instrument panel fuse block 10-pin connectors. Measure resistance of Blue wire between ground and interior fuse junction panel 10-pin connector. If resistance is less than 5 ohms, locate and repair short to ground in Blue wire. If resistance is 5 ohms or greater, reinstall WIPER fuse and go to next step.
  4. Reconnect interior fuse junction panel 10-pin connector and wiper motor connector. Disconnect multifunction switch 14-pin connector. Turn ignition on. Measure voltage between ground and Blue wire terminal at multifunction switch connector. If battery voltage exists, go to next step. If battery voltage does not exist, repair open in Blue wire.
  5. Turn ignition off. Reconnect multifunction switch 14-pin connector. Turn ignition on. Connect a DVOM between ground and Blue/Orange wire at multifunction switch connector. Observe DVOM and depress washer switch. Note voltage reading. Release washer switch and note voltage. If voltage is greater than 10 volts with switch depressed and less than one volt with switch released, go to next step. If voltage is not as specified, replace multifunction switch.
  6. Turn ignition off. Disconnect washer pump connector. Disconnect multifunction switch 14-pin connector. Measure resistance of Blue/Orange wire between multifunction switch connector and washer pump connector. Measure resistance between ground and Blue/Orange wire at multifunction switch harness connector. If resistance is less than 5 ohms between multifunction switch connector and washer pump connector and greater than 10 k/ohms between ground and Blue/Orange wire at multifunction switch harness connector, go to next step. If resistance is not as specified, repair Blue/Orange wire.
  7. Measure resistance of Black wire between ground and washer pump connector. If resistance is less than 5 ohms, replace washer pump. If resistance is 5 ohms or greater, repair open in Black wire.
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