Problem Symptoms Table
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
POWER DOOR LOCK CONTROL SYSTEM
| Symptom | Suspected Area | Refer to |
|---|---|---|
| Only Driver Door Lock/Unlock Functions do not Operate | Front door lock assembly (Driver side) | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU | |
| Driver side junction block assembly | Refer to TERMINALS OF ECU | |
| Only Front Passenger Door Lock/Unlock Functions do not Operate | Front door lock assembly (Front passenger side) | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU | |
| Driver side junction block assembly | Refer to TERMINALS OF ECU | |
| Only Rear Door LH Lock/Unlock Functions do not Operate | Rear door lock assembly LH | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU | |
| Driver side junction block assembly | Refer to TERMINALS OF ECU | |
| Only Rear Door RH Lock/Unlock Functions do not Operate | Rear door lock assembly RH | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU | |
| Driver side junction block assembly | Refer to TERMINALS OF ECU | |
| Only Back Door Lock/Unlock Functions do not Operate | Back door lock assembly | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU | |
| Driver side junction block assembly | Refer to TERMINALS OF ECU | |
| All Doors Lock/Unlock Functions do not Operate | Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU |
| Driver side junction block assembly | Refer to TERMINALS OF ECU | |
| No Door Lock/Unlock Functions Operate Via Master Switch or Driver Side Door Key Cylinder | Proceed to "All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder" | Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder |
| No Door Lock/Unlock Functions Operate Via Door Control Switch | Proceed to "All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch" | Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch |
| Speed-sensitive Automatic Door Lock cannot be Operate | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING |
| Meter / gauge system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Main body ECU (Multiplex network body ECU) | Refer to TERMINALS OF ECU | |
| Driver side junction block assembly | Refer to TERMINALS OF ECU |