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HOMESERVICE MANUALSCHEVROLET2010AVEO LT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 25 (WIPER SYSTEM AND WASHER SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESREAR WIPER SYSTEM MALFUNCTIONCIRCUIT/SYSTEM TESTING
2010 Chevrolet Aveo LT, 4D Hatchback, Standard

Circuit/System Testing

2010 Chevrolet Aveo LT, 4D Hatchback, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2011 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.

Rear Wiper Malfunction with CD4

  1. Ignition OFF, disconnect the harness connector at the rear windshield wiper motor.
  2. Test for less than 1Ξ© between the ground circuit terminal 3 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 8 and ground.
    • If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
  4. Place the rear wiper switch in the ON position, verify that a test lamp illuminates between the control circuit terminal 1 and ground.
    • If the test lamp does not illuminate, test the control circuit for an open/high resistance. If the circuit tests normal replace the wiper switch.
  5. Connect a test lamp between the control circuit terminal 2 and ground.
  6. Observe the test light while applying the rear washer switch. The test lamp should turn ON and OFF when applying and releasing the switch.
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the wiper switch.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the wiper switch.
  7. If all circuits test normal replace the rear window wiper motor.

Rear Wiper Malfunction without CD4

  1. Ignition OFF, disconnect the harness connector at the rear windshield wiper motor.
  2. Test for less than 1Ξ© between the ground circuit terminal 4 and ground.
    • If greater than the specified range, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 1 and ground.
    • If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
  4. Place the rear wiper switch in the ON position, verify that a test lamp illuminates between the control circuit terminal 2 and ground.
    • If the test lamp does not illuminate, test the control circuit for an open/high resistance. If the circuit tests normal replace the wiper switch.
  5. Place the rear wiper switch in the OFF position. Place the front windshield wiper switch in the Intermittent position, verify that a test lamp illuminates between the control circuit terminal 3 and ground.
    • If the test lamp does not illuminate, test the control circuit for an open/high resistance. If the circuit tests normal replace the wiper switch.
  6. If all circuits test normal replace the rear window wiper motor.
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