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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (Mirror Systems) >> Diagnostic Information and Procedures >> Power Mirror Folding Inoperative >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON, observe the scan tool Mirror Fold Switch parameter while cycling the mirror fold switch between the extend and retract positions. The parameter should change between Idle, Extend, and Retract.
    • If the parameter does not cycle between the specified values, replace the DDM.
  2. Command the power folding mirrors to extend and retract using the mirror fold switch. Both mirrors should extend and retract as commanded.
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