Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use the table below to help determine the causes of the problem symptom. The potential cases of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Power door lock control system
POWER DOOR LOCK CONTROL SYSTEM - PROBLEM SYMPTOMS CHART
| Symptom | Suspected area |
|---|---|
| ALL DOORS LOCK / UNLOCK FUNCTIONS DO NOT OPERATE VIA MASTER SWITCH, DRIVER | Door control switch (for front driver door side) |
| FRONT DOOR LOCK ASSEMBLY LH | |
| WIRE HARNESS | |
| MAIN BODY ECU | |
| ONLY DRIVER DOOR LOCK/UNLOCK FUNCTIONS DO NOT OPERATE | Front door lock assembly LH |
| WIRE HARNESS | |
| MAIN BODY ECU | |
| ONLY PASSENGER DOOR LOCK/UNLOCK FUNCTIONS DO NOT OPERATE | Front door lock assembly RH |
| WIRE HARNESS | |
| MAIN BODY ECU | |
| ONLY REAR DOOR LH LOCK/UNLOCK FUNCTIONS DO NOT OPERATE | Rear door lock assembly LH |
| WIRE HARNESS | |
| MAIN BODY ECU | |
| ONLY REAR DOOR RH LOCK/UNLOCK FUNCTIONS DO NOT OPERATE | Rear door lock assembly RH |
| WIRE HARNESS | |
| MAIN BODY ECU | |
| ONLY BACK DOOR LOCK/UNLOCK FUNCTIONS DO NOT OPERATE (HATCHBACK) | Back door lock assembly RH |
| WIRE HARNESS | |
| MAIN BODY ECU | |
| KEY LOCK-IN PREVENTION FUNCTION DOES NOT WORK PROPERLY (MANUAL OPERATION AND KEY-LINKED LOCK AVAILABLE) | Front door courtesy switch assembly LH |
| UNLOCK WARNING SWITCH ASSEMBLY | |
| WIRE HARNESS | |
| MAIN BODY ECU |