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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat System >> Diagnostic Information and Procedures >> Power Seat Malfunction (With Memory A45) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool seat switch parameters listed below change between Inactive and Forward/Rearward or Up/Down when pressing the appropriate switch.
    • Driver Seat Horizontal Switch
    • Driver Seat Cushion Front Vertical Switch
    • Driver Seat Cushion Rear Vertical Switch
    • Driver Seat Back Switch
    • If the parameter does not change 

      Refer to Circuit/System Testing - Driver Seat Adjuster Switch Circuit Test.

    • If the parameter changes 
  3. Verify the seat directional motors listed below operate while operating the appropriate driver seat switches in both directions.
    • M51D Seat Horizontal Motor
    • M50D Seat Front Vertical Motor
    • M55D Seat Rear Vertical Motor
    • M56D Seat Recline Motor
    • If any seat motor does not operate 

      Refer to Circuit/System Testing - Seat Motor Control Circuit Test.

    • If all seat motors operate 
  4. All OK.
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