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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connectors at the BCM.
  2. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 30 seconds. Test for less than 5 Ω between the ground circuit terminals listed below 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 B+ circuit terminals listed below 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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