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Home >> Buick >> 2011 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 162 (Power Seat System) >> Diagnostic Information and Procedures >> Memory Seat Feature Inoperative >> Circuit/System Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Testing

WARNING: This page is about a different car, the 2010 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, verify the scan tool Driver Door Switch Memory Recall Switches parameter is approximately 2.75 volts while pressing the memory 1 switch.
    • If not the specified value, refer to the Memory Switch component test. If the switch tests normal, replace the driver door switch (DDS).
  2. Verify the scan tool Memory Recall Switches parameter is approximately 1.75 volts while pressing the memory 2 switch.
    • If not the specified value, test or replace the memory switch.
  3. Verify the scan tool Memory Recall Switches parameter is approximately 1.0 volt while pressing the EXIT switch.
    • If not the specified value, test or replace the memory switch.
  4. If all circuits test normal, replace the MSM.
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