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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Power Seat System) >> Diagnostic Information and Procedures >> Power Seat Inoperative (w/Memory) >> Circuit/System Verification

Circuit/System Verification

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  1. Install a scan tool and display the MSM switch inputs.
  2. Verify that none of the switches are displayed as Active while in an inactive state.
    • If any of the switch inputs are Active, perform the affected Switch Circuit Test.
  3. Verify that the switch inputs are displayed as Active while the switch is pressed.
    • If any of the switch inputs remain Inactive while the switch is pressed, perform the affected Switch Circuit Test.
  4. If the switch inputs to the MSM function normal, perform the Motor Control Circuit Test.
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