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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 457 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Liftgate/Liftgate Window Ajar Indicator Malfunction (Power Liftgate) >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON, observe the scan tool Liftgate Ajar Switch parameter while opening and closing the liftglass. The value should change between Active and Inactive.
    • If the value does not change, refer to the Liftglass Ajar Switch. Malfunction.
  2. Observe the scan tool LGM Latch Ratchet Sw. parameter while opening and closing liftgate. The parameter should change between Active and Inactive.
    • If the value does not change, refer to the Liftgate Latch Assembly Malfunction.
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