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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connectors at the BCM.
  2. With the ignition OFF and the scan tool disconnected, open and close the drivers door, and wait 30 seconds. Test for less than 5 ohms between the following ground circuit terminals and ground:
    • Terminal 1 X3
    • Terminal 5 X3
    • Terminal 9 X4
    • 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 following B+ circuit terminals and ground:
    • Terminal 3 X3
    • Terminal 10 X4
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.
  4. If all circuits test normal, replace the BCM.
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