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Home >> Hummer >> 2008 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Diagnostic Information and Procedures >> Power Mirrors - Memory Functions Inoperative >> Circuit/System Verification
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Circuit/System Verification

Observe the scan tool Mirror Horizontal Position and Mirror Vertical Position parameters. The reading should be between 0.2 volts and 4.8 volts and change as the mirror is moved, left, right, up, and down.