Problem Symptoms Table

WARNING: This page is about a different car, the 2004 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

PROBLEM SYMPTOMS

Symptom	Suspected Area	See
No doors lock/unlock functions operate via master switch, door control switch or driver side door key cylinder	3. DR/LCK fuse 4. ECU-B fuse 5. Power window regulator master switch assy 6. Door control switch (Passenger side) 7. Front door lock assy LH (Driver side) 8. Instrument panel junction block assy (Body ECU) 9. Wire harness	NO DOORS LOCK/UNLOCK FUNCTIONS OPERATE VIA MASTER SWITCH, DOOR CONTROL SWITCH OR DRIVER SIDE DOOR KEY CYLINDER
Key lock-in prevention function does not work properly (Manual operation and operation interlocked with key are active)	Un-lock warning switch assy Front door courtesy lamp switch assy (Driver side) Instrument panel junction block assy (Body ECU) Wire harness	KEY LOCK-IN PREVENTION FUNCTION DOES NOT WORK PROPERLY (MANUAL OPERATION AND OPERATION INTERLOCKED WITH KEY ARE ACTIVE)