LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Vehicle Access >> Diagnostic Information and Procedures >> DTC B3135 >> Circuit/System Testing

Circuit/System Testing

  1. Disconnect the I/P fuse block and connect a test lamp from battery voltage to the door lock relay control circuit terminal A2 in connector X3.
  2. Verify that the test lamp does not illuminate.
    • If the test lamp illuminates test the control circuit for a short to ground. If the circuit tests normal replace the BCM.
  3. If the circuits test normal replace the I/P fuse block.
scientia non olet · About LEMON Manuals