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Home >> Chevrolet >> 2017 >> Traverse LS Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System And Washer System >> Diagnostic Information and Procedures >> Windshield Wiper Washer System Malfunction >> Component Testing

Component Testing

Multifunction Switch

  1. With the WASH switch in the open position, test for infinite resistance between the Accessory Voltage terminal 7 and the control terminal 6 (without N38) or terminal 8 (with N38).
    • If not the specified value, replace the multifunction switch.
  2. With the WASH switch in the closed position, test for less than 2 Ω between the Accessory Voltage terminal 7 and the control terminal 6 (without N38) or terminal 8 (with N38).
    • If greater than the specified range, replace the multifunction switch.

Washer Pump

  1. Ignition OFF, disconnect the harness connector at the washer pump.
  2. Install a 10 A fused jumper wire between the control terminal A and 12 V. Install a jumper wire between the ground terminal B and ground.
  3. Verify the washer pump is activated.
    • If the washer pump does not activate, replace the washer pump.
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