Diagnostic Procedures
- If BCM diagnostic system check was performed, go to next step. If BCM diagnostic system check was not performed, see procedures in BCM DIAGNOSTIC SYSTEM CHECK .
- Turn ignition off. Disconnect BCM harness connector C3. Using test light connected to ground, backprobe BCM harness connector terminal "J" (Orange wire). See WIRING DIAGRAMS . If test light illuminates, go to next step. If test light does not illuminate, go to step 4)
- Replace BCM. Perform new BCM setup. See BCM PROGRAMMING . After programming BCM, go to step 5).
- Repair poor connection or open in Orange wire between BCM harness connector terminal "J" and fuse block.
- Reinstall components and connectors. Turn ignition on. Clear DTCs using scan tool. After clearing DTCs, perform procedures in BCM diagnostic system check. See BCM DIAGNOSTIC SYSTEM CHECK .