Door/Trunk Ajar System Diagnostic System Check
NOTE:
Use this check as the starting point for any DOOR/TRUNK ajar system complaint.
- Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, to right of steering column. See Figure . Turn ignition switch to RUN position. If scan tool powers up, go to next step. If scan tool does not power up, go to TEST G: SCAN TOOL DOES NOT POWER UP in appropriate BODY CONTROL MODULES article.
- Turn ignition switch to RUN position. Try to establish scan tool communication with Body Control Module (BCM). If communication with BCM is established, go to next step. If communication with BCM is not established, go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in appropriate BODY CONTROL MODULES article.
- Select DISPLAY DTC function for BCM. Record all displayed DTCs and status of displayed DTCs. If any DTCs are displayed, go to next step. If no DTCs are displayed, attempt to diagnose system by symptom. See SYMPTOM INDEX table under SYSTEM TESTS.
- If scan tool does not display any DTCs that begin with "U", go to next step. If scan tool displays any DTCs that begin with "U", go to TEST F: SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in appropriate BODY CONTROL MODULES article.
- If scan tool does not display DTCs B1000 or B1007, go to next step. If scan tool displays DTCs B1000 or B1007, perform appropriate test. See appropriate BODY CONTROL MODULES article.
- If scan tool does not display DTCs B1328 or B1440, go to next step. If scan tool displays DTCs B1328 or B1440, perform appropriate test. See appropriate BODY CONTROL MODULES article.
- If scan tool displays DTCs that begin with "P", see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If scan tool does not display DTCs that begin with "P", attempt to diagnose system by symptom. See appropriate SELF-DIAGNOSTIC SYSTEMS article in ENGINE PERFORMANCE.