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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat System >> Diagnostic Information and Procedures >> DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820: Seat Switch >> Component Testing

Component Testing

Seat Adjuster Switch Test

  1. Ignition OFF, disconnect the harness connector at the S64D Driver Seat Adjuster Switch.
  2. Test for infinite resistance between the ground terminal E and each signal terminal with the switch in the open position.
    • If less than infinite resistance 

      Replace the S64D Driver Seat Adjuster Switch.

    • If infinite resistance 
  3. Test for less than 2Ω between the ground terminal E and each signal terminal with the appropriate switch in the closed position.
    • If 2Ω or greater 

      Replace the S64D Driver Seat Adjuster Switch.

    • If less than 2Ω 
  4. All OK.