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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Power Seat System) >> Diagnostic Information and Procedures >> Lumbar Massage Inoperative >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the appropriate lumbar massage switch.
  2. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal C and ground.
    • If the test lamp does not illuminate, test the B+ circuit for an open/high resistance.
  3. Install a 3A fused jumper wire between the B+ circuit terminal C and the signal circuit terminal A. Verify the Massage Switch parameter is Active.
    • If not the specified value, test the signal circuit for an open/high resistance. If the circuit tests normal, replace the MSM.
  4. If all circuits tests normal, replace the lumbar massage switch.
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