Test No. 26: Luggage Compartment Light Does Not Operate
- Luggage compartment is commonly called the trunk. See Figure. Check luggage compartment light bulb. If light bulb is okay, go to next step. If light bulb is defective, replace light bulb. After repairs, perform confirmation test. See CONFIRMATION TEST .
- Check luggage compartment light. If luggage compartment light is okay, go to next step. If luggage compartment light is defective, replace assembly. After repairs, perform confirmation test. See CONFIRMATION TEST .
- Check luggage compartment courtesy switch. See LUGGAGE COMPARTMENT COURTESY SWITCH under COMPONENT TESTS in POWER TRUNK LID - AVALON under DOOR LOCKS & ANTI-THEFT SYSTEMS in ACCESSORIES & EQUIPMENT. If luggage compartment courtesy switch is okay, go to next step. If luggage compartment courtesy switch is defective, replace luggage compartment courtesy switch. After repairs have been made, perform confirmation test. See CONFIRMATION TEST .
- Check body control ECU ground circuits. See BODY COMPUTER in SYSTEM WIRING DIAGRAMS article. If ground circuits are faulty, repair and retest system. If ground circuits are okay, substitute original body control ECU with a known-good unit and recheck system operation. If system operates properly, original body control ECU was defective. If system still does not operate properly, perform body control ECU pin voltage check. See BODY CONTROL ELECTRONIC CONTROL UNIT under PIN VOLTAGE TESTS. Check wiring harness and electrical connectors for an intermittent problem. Repair wiring harnesses or connectors as necessary. If voltage values, harnesses and connectors are okay, replace body control ECU. After repairs, perform confirmation test. See CONFIRMATION TEST . If symptom is still present, go to next step.
- Check wiring harness and electrical connectors between battery and luggage compartment light, between battery and body control ECU, between luggage compartment light and body control ECU and all power and ground connections. See INTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article. If wiring harnesses or electrical connectors are defective, repair as necessary. After repairs, perform confirmation test. See CONFIRMATION TEST .