LEMON Manuals: Even more car manuals for everyone
Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Door Lock System & Door Handles) >> Diagnostic Information and Procedures >> DTC B2991 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the appropriate door latch.
  2. With the switch in the open position, test for infinite resistance between the signal terminal and the ground terminal listed below:
    • Front passenger door latch signal terminal 1 and ground terminal 3
    • Left rear door latch signal terminal 4 and ground terminal 6
    • Right rear door latch signal terminal 4 and ground terminal 6
    • If not the specified value, replace the door latch.
  3. With the switch in the closed position, test for less than 1.0 ohm between the signal terminal and the ground terminal listed below:
    • Front passenger door latch signal terminal 1 and ground terminal 3
    • Left rear door latch signal terminal 4 and ground terminal 6
    • Right rear door latch signal terminal 4 and ground terminal 6
    • If not the specified value, replace the door latch.