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Wiper Not Working In Low Speed

  1. Turn ignition off. Remove wiper high/low relay from power distribution center. Using a fused jumper wire, connect terminal "A" and "E" at wiper high/low relay socket in power distribution center. See Figure . If wipers operate in low speed, go to next step. If wipers do not operate in low speed, go to step  5 .
  2. Remove jumper wire. Install a known-good wiper high/low relay in power distribution center. Turn ignition on. Operate wiper in high and low speed positions. If wipers do not operate properly, go to next step. If wipers operate properly, replace wiper high/low relay.
  3. Turn ignition off. Disconnect wiper/washer switch harness connector at multifunction switch. Measure resistance between terminals No. 1 and 3 at wiper/washer switch (component side). See Figure . Resistance should be 980-1060 ohms with wiper switch in low speed position. If resistance is as specified, go to next step. If resistance is not as specified, replace wiper/washer switch.
  4. Remove wiper high/low relay from power distribution center. Disconnect Body Control Module (BCM) harness connector C3. Measure resistance between ground and terminal No. 12 (Violet wire) at BCM harness connector C3. See Figure . If resistance is greater than 100 ohms, replace BCM. If resistance is 100 ohms or less, repair short to ground in Violet wire between junction block and BCM.
  5. Remove jumper wire. Connect a test light between ground and terminal "A" at wiper high/low relay socket in power distribution center. If test light illuminates, go to next step. If test light does not illuminate, repair power distribution circuit as necessary. See POWER DISTRIBUTION article in WIRING DIAGRAMS.
  6. Disconnect wiper motor harness connector. Measure resistance in Brown/White wire between terminal "E" at wiper high/low relay socket in power distribution center and terminal No. 2 at wiper motor harness connector. See Figure and Figure . If resistance is 5 ohms or less, replace wiper motor. If resistance is greater than 5 ohms, repair open in Brown/White wire between wiper motor and power distribution center.
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