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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 511 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> Rear Wiper Washer System Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

I/P Switch Assembly

  1. Ignition OFF, disconnect the harness connector at the I/P switch assembly.
  2. Rear washer switch OFF, test for infinite resistance between the ignition terminal 6 and the control terminal 12.
    • If not the specified value, replace the I/P switch assembly.
  3. Rear washer switch ON, test for less than 2 Ω between the ignition terminal 6 and the control terminal 12.
    • If greater than the specified range, replace the I/P switch assembly.

Rear Window Washer Fluid Pump

  1. Ignition OFF, disconnect the harness connector at the rear window washer fluid pump.
  2. Install a 20 A fused jumper wire between the control terminal B and 12 V. Install a jumper wire between the ground terminal A and ground.
  3. Verify the rear window washer fluid pump is activated.
    • If the rear window washer fluid pump does not activate, replace the rear window washer fluid pump.
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