LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Door Lock Systems & Door Handles) >> Diagnostic Information and Procedures >> DTC B153A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a scan tool and display the liftgate module data list.
  2. Ignition ON, and liftgate closed, verify that the Pawl Sw., Ratchet Sw., and Sector Sw. parameters are Inactive.
    • If any of the switch parameters are displayed as Active, perform the Liftgate Latch Switch Circuit Test.
  3. Verify that the Full Open Sw. parameter is Inactive.
    • If the Full Open Sw. parameter is displayed as Active, perform the Full Open Switch Circuit Test.
  4. Open the liftgate and verify that the Pawl Sw., and Ratchet Sw. parameters are Active.
    • If either of the switch parameters are displayed as Inactive, perform the Liftgate Latch Switch Circuit Test.
  5. Verify that the Sector Sw. parameter is Active.
    • If the Sector Sw. parameter is displayed as Inactive, perform the Liftgate Latch Switch Circuit Test.
  6. Verify that the Full Open Sw. parameter is Active.
    • If the Full Open Sw. parameter is displayed as Inactive, perform the Full Open Switch Circuit Test.
scientia non olet · About LEMON Manuals