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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 >> DTC B3715: Front Wiper Relay Drive Circuit Short to Ground >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the WPR relay.
  2. Connect a test lamp between the control circuit terminal 86 and ground.
  3. Ignition ON, command the low speed wipers ON and OFF using the wiper switch. The test lamp should turn ON and OFF when changing between the commanded states.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the BCM.
    • If the test lamp is always OFF, test for a short to ground or an open/high resistance on the control circuit. If the circuit tests normal, replace the BCM.
  4. If all circuits test normal, test or replace the WPR relay.
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