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Home >> Buick >> 2013 >> Encore Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B3873: Front Washer Relay >> Component Testing
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Component Testing

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

Washer Switch

  1. Ignition OFF, disconnect the harness connector at the S82 Windshield Wiper/Washer Switch.
  2. Test for infinite resistance between the signal terminal 5 and the low reference terminal 2 with the switch in the open position.
    • If less than infinite resistance 

      Replace the S82 Windshield Wiper/Washer Switch.

    • If infinite resistance 
  3. Test for less than 2 Ω between the signal circuit terminal 5 and the low reference circuit terminal 2 with the switch in the closed position.
    • If 2 Ω or greater 

      Replace the S82 Windshield Wiper/Washer Switch.

    • If less than 2 Ω 
  4. All OK