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Circuit/System Testing

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: When removing connectors inspect for damage or corrosion. Damage or corrosion in the following requires repair or replacement of the affected.
  • SDM
  • SDM wiring harness
  1. Ignition OFF, remove the underhood AIRBAG fuse.
  2. Ignition ON, connect a test lamp between the B+ side to the fuse and ground. The test lamp should turn ON.
  3. Ignition OFF, install the underhood AIRBAG fuse.
  4. Disconnect the harness connector at the SDM.
  5. Ignition ON, verify a test lamp illuminates between ignition circuit terminal 32 and ground.
    • If the test lamp does not illuminate, test the ignition circuit for short to ground or an open/high resistance.
  6. If all circuits test normal, replace the SDM.
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