Test 37A - Courtesy Lamp Inputs
NOTE:
For connector terminal identification and wiring diagrams, see BODY CONTROL COMPUTER
section in this article. Perform TEST VER-1
VERIFICATION TEST after each repair.
CAUTION:
Always turn ignition off prior to disconnecting any module connector.
- Ensure all doors are aligned correctly against switches. If doors are misaligned or misadjusted, align or adjust door(s) as necessary. Ensure courtesy lamp switch (located next to headlight switch) is off. Ensure all doors are closed. Go to next step.
- Using scan tool, read left front door ajar switch status. If scan tool displays LFDOOR AJAR: CLOSED, go to TEST 39B . If scan tool does not display LFDOOR AJAR: CLOSED, go to next step.
- Using scan tool, read door ajar switch status. If scan tool displays DOOR AJAR: CLOSED, go to TEST 40B . If scan tool does not display DOOR AJAR: CLOSED, go to next step.
- Using scan tool, read dome lamp switch status. If scan tool displays DOME LAMP SW: CLOSED, go to TEST 38B . If scan tool does not display DOME LAMP SW: CLOSED, check if vehicle is equipped with Remote Keyless Entry (RKE) module. See Fig 1 . If vehicle is equipped with RKE module, go to step 6). If vehicle is not equipped with RKE module, go to next step.
- Turn ignition off. Disconnect Body Control Module (BCM) connectors. BCM is located behind right kick panel. If courtesy lamps go off, replace BCM. If courtesy lamps remain on, repair short to ground in Yellow wire.
- Ensure all doors are closed. Turn ignition off. Disconnect RKE module connector. If courtesy lamps go off, replace RKE module. If courtesy lamps remain on, go to next step.
- Disconnect Body Control Module (BCM) Gray connector. BCM is located behind right kick panel. If courtesy lamps go off, repair short to ground in White wire. If courtesy lamps remain on, go to next step.
- Disconnect BCM Bone connector. If courtesy lamps go off, replace BCM. If courtesy lamps remain on, repair short to ground in Yellow wire.