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Circuit/System Testing

WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the memory seat switch.
  2. Ignition ON, test for B+ between the memory seat switch supply voltage circuit terminal 2 and ground.
    • If less than B+, test the supply voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the DDM.
  3. Test for 0 volts between the memory switch signal circuit terminal 1 and ground.
    • If greater than 0 volts, test the signal circuit for a short to voltage.
  4. Ignition OFF, connect the harness connector at the memory seat switch.
  5. Ignition ON, with a scan tool verify the Memory Recall Switch parameter changes state while pressing the memory 1, memory 2 and exit switches.
    • If the parameter does not change state while pressing each switch, test the memory switch signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, test or replace the memory seat switch.
  6. If all circuits test normal, replace the DDM.
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