System Cannot Be Set

Check for faulty components in listed order.

• Indicator Light - See INDICATOR LIGHT under COMPONENT TESTS.
• Key Unlock Warning Switch - See KEY UNLOCK WARNING SWITCH under COMPONENT TESTS.
• Door Unlock Detection Switch - See DOOR UNLOCK DETECTION SWITCH under COMPONENT TESTS.
• Engine Hood Courtesy Switch - See ENGINE HOOD COURTESY SWITCH under COMPONENT TESTS.
• Luggage Compartment Door Courtesy Switch - See LUGGAGE COMPARTMENT DOOR COURTESY SWITCH under COMPONENT TESTS.
• Wiring Harness - Check wiring harness for faults. See WIRING DIAGRAMS.
• Body ECU - See MULTIPLEX CONTROL SYSTEM article.
• Driver Door ECU - See MULTIPLEX CONTROL SYSTEM article.
• Multiplex Communication Circuit - See MULTIPLEX CONTROL SYSTEM article.