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Circuit/System Testing

  1. Disconnect the door switch connector C1.
  2. Ignition ON, verify that a test lamp connected to ground does not illuminate when connected to either of the motor control circuit terminals in the harness connector.
    • If the test lamp illuminates repair the affected control circuit for a short to voltage.
  3. Verify that a test lamp connected to battery voltage does not illuminate when connected to either of the motor control circuit terminals in the harness connector.
    • If the test lamp illuminates repair the affected control circuit for a short to ground.
  4. Using a DMM verify that the resistance between the control circuit terminals in the harness connector is greater than 5 ohms.
    • If the resistance is less than 5 ohms replace the affected power window motor.
  5. If all the circuits test normal replace the affected door switch.
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