Power Door Lock Control System:
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
This system uses the body control system, so check diagnosis system of the body control system before you proceed with troubleshooting.
Problem Symptoms
| Symptom/Suspect Area | See | |
|---|---|---|
| All The Doors Cannot Be Locked Or Unlocked (Power Window Control System Is Normal.) | ||
| POWER Fuse | ..... | |
| Door Lock Control Switch | Step 1Under Inspection | |
| Door Relay (L), (U) | Step 16 Under Inspection | |
| Wire Harness | ..... | |
| Body ECU | DOOR LOCK CONTROL SWITCH CIRCUIT | |
| Only One Side Door Lock Control Does Not Operate | ||
| Door Lock Motor | Step 7 Under Inspection | |
| Wire Harness | ..... | |
| Door Key Related Function Does Not Operate | ||
| Door Key Lock And Unlock Switch | Step 3 Under Inspection | |
| Wire Harness | ..... | |
| Body ECU | DOOR KEY LOCK AND UNLOCK SWITCH CIRCUIT | |
| Key Confinement Prevention Function Does Not Operate | ||
| Key Unlock Warning Switch | Step 3 Under INSPECTION | |
| Door Courtesy Switch | Step 8 Under INSPECTION | |
| Wire Harness | ..... | |