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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> Rear Wiper System Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

Windshield Wiper/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 4 and the low reference terminal 2 with the rear window washer switch in the open position.
    • If less than infinite resistance 

      Replace the S82 Windshield Wiper/Washer Switch.

    • If infinite resistance 
  3. Verify the resistance reading is within the range specified below between the signal circuit terminal 4 and the low reference circuit terminal 2 by cycling the switch between Rear Wiper position and Rear Washers position.
    • Rear Wiper : 624-644Ω
    • Rear Wiper Sweep : 1.99-2.01kΩ
    • Rear Washer : 6.11-6.13kΩ
    • If not within range specified 

      Replace the S82 Windshield Wiper/Washer Switch.

    • If within range specified 
  4. All OK
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