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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 >> Power Door Lock Key Cylinder Switches Inoperative >> Component Testing

Component Testing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the driver door latch.
  2. Test for infinite resistance between the signal terminal 9 and the low reference terminal 8 with the switch in the open position.
    • If not the specified value, replace the driver door latch.
  3. Test for less than 2 ohms between the signal terminal 9 and the low reference terminal 8 with the switch in the Unlock position.
    • If greater than the specified range, replace the driver door latch.
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