Test 71A - Seat Belt Switch Circuit Short To Ground
NOTE:
Perform TEST 32A
or 58A before proceeding with this test. For connector terminal ID, see CONNECTOR IDENTIFICATION
. For wiring schematics, see WIRING DIAGRAMS
in this article. Perform TEST VER-1 - VERIFICATION PROCEDURE
after each repair.
CAUTION:
Always turn ignition off prior to disconnecting any module connector.
- Turn ignition on. Ensure left front seat belt is not fastened. Using scan tool, read seat belt switch status. If scan tool does not display SEAT BELT: CLOSED, go to TEST 72A . If scan tool displays SEAT BELT: CLOSED, go to next step.
- Fasten left front seat belt. If scan tool displays SEAT BELT OPEN, system is operating properly at this time. If scan tool does not display SEAT BELT: OPEN, go to next step.
- Disconnect left front seat belt switch connector. Connector is located on left side door pillar, just behind seat. Using scan tool, read seat belt switch status. If scan tool does not display SEAT BELT: CLOSED, replace left front seat belt switch. If scan tool displays SEAT BELT: CLOSED, go to next step.
- Turn ignition off. Disconnect Body Control Module (BCM) Gray connector. BCM is located behind right kick panel. Using scan tool in ohmmeter mode, measure resistance at terminal No. 5 (Light Green/Red wire) on BCM Gray connector. If resistance is less than 5 ohms, repair short to ground in Light Green/Red wire. If resistance is 5 ohms or greater, replace BCM.