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Home >> Chevrolet >> 2009 >> Traverse LS, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System >> Diagnostic Information and Procedures >> Rear Wiper Washer System Malfunction >> Component Testing >> Multifunction Switch (WDA/Z88)

Multifunction Switch (WDA/Z88)

  1. Ignition OFF, disconnect the X1 harness connector at the multifunction switch.
  2. Rear washer switch OFF, test for infinite resistance between the ignition terminal 4 and the control terminal 6.
    • If not the specified value, replace the multifunction switch.
  3. Rear washer switch ON, test for less than 2 ohms between the ignition terminal 4 and the control terminal 6.
    • If greater than the specified range, replace the multifunction switch.
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