Test X: Trunk Ajar Indicator Always On
- After reviewing indicator/warning message description and operation, go to next step. See INDICATOR/WARNING MESSAGE under DESCRIPTION & OPERATION.
- Observe trunk ajar indicator on instrument cluster with trunk closed. If trunk ajar indicator is illuminated, go to next step. If trunk ajar indicator is not illuminated, concern may be intermittent. See PROBLEM DIAGNOSIS under INTERMITTENTS.
- Disconnect rear compartment courtesy lamp. Rear compartment courtesy lamp is located on rear compartment lid. If trunk ajar indicator does not illuminate, go to next step. If trunk ajar indicator illuminates, go to step 5 .
- Connect rear compartment courtesy lamp. Disconnect rear compartment courtesy lamp switch harness connector. If trunk ajar indicator illuminates, go to step 7 . If trunk ajar indicator does not illuminate, go to step 6 .
- Check for short to ground in signal circuit of rear compartment courtesy lamp (Brown/Blue wire) between IPC harness connector C1 terminal No. 10 and rear compartment courtesy lamp switch. See Figure . See WIRING DIAGRAMS . If problem is found, repair as necessary and go to step 10 . If no problem is found, go to step 9 .
- Check for poor, loose or corroded terminals in rear compartment courtesy lamp switch harness connector. If problem is found, repair as necessary and go to step 10 . If no problem is found, go to step 8 .
- Repair short to ground in (Brown/Blue wire) between IPC harness connector C1 terminal No. 10 and rear compartment courtesy lamp switch. See WIRING DIAGRAMS . After repairs are made, go to step 10 .
- Replace rear compartment courtesy lamp switch. After repairs are made, go to step 10 .
- Replace IPC. See INSTRUMENT PANEL CLUSTER under REMOVAL & INSTALLATION. After repairs are made, go to next step.
- Operate system to verify repair. If system operates normally, testing is complete. If system does not operate normally, go to step 2 .