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Door Lock Control

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
DOOR LOCK CONTROL SYSTEM

Symptom/Suspect Area See
Lock Or Unlock Cannot Be Operated With Door Lock Control S/W
Door Lock Control S/W Circuit (Driver's) (1)
Door Lock Control S/W Circuit (Passenger's) (2)
Body, ECU (3)
Door Key Linked Function Does Not Operate
Door Key Lock And Unlock Switch Circuit (Driver's) (4)
Door Key Lock And Unlock Switch Circuit (Passenger's) (5)
Body ECU (3)
Key Confinement Prevention Function Does Not Operate
Key Unlock Warning Switch Circuit (6)
Body ECU (3)
(1) POWER SOURCE CIRCUIT
(2) POWER SOURCE CIRCUIT
(3) HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS
(4) DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT
(5) DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT
(6) KEY UNLOCK WARNING SWITCH CIRCUIT