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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> DTC B153F >> Circuit/System Testing

Circuit/System Testing

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  1. Ignition OFF, disconnect the X1 harness connector at the LGM.
  2. Test for infinite resistance between the signal circuit terminal 8 and ground.
    • If less than the specified value, test the signal circuit for a short to ground.
  3. Test for 15K-25K ohms between the signal circuit terminal 8 and the low reference circuit terminal 16.
    • If not within the specified range, test the signal circuit between the left and right liftgate object sensors and the low reference circuit for an open/high resistance. If the circuits test normal, test or replace the left or right liftgate object sensor.
  4. If all circuits test normal, replace the LGM.
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