Tech Tips
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder | DOOR NO. 1 fuse | |
| DOOR NO. 2 fuse | ||
| Front door lock LH*2 | ||
| Front door lock RH*3 | ||
| Harness or connector | ||
| Master switch | ||
| Main body ECU | ||
| All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch | DOOR NO. 1 fuse | |
| DOOR NO. 2 fuse | ||
| Door control switch | ||
| Harness or connector | ||
| Main body ECU | ||
| Only Driver Door LOCK/UNLOCK Functions do not Operate | Front door lock LH*2 | |
| Front door lock RH*3 | ||
| Harness or connector | - | |
| Main body ECU | - | |
| Only Passenger Door LOCK/UNLOCK Functions do not Operate | Front door lock RH*2 | |
| Front door lock LH*3 | ||
| Harness or connector | - | |
| Only Rear Door LH LOCK/UNLOCK Functions do not Operate | Rear door lock LH | |
| Harness or connector | - | |
| Only Rear Door RH LOCK/UNLOCK Functions do not Operate | Rear door lock RH | |
| Harness or connector | - | |
| Only Back Door LOCK/UNLOCK Functions do not Operate | Back door opener switch | |
| Back door lock | ||
| Back door lock*4 | ||
| Harness or connector | - | |
| Main body ECU*5 | - | |
| Power back door ECU*6 | - | |
| Double Locking Function does not Operate Properly*1 | B1249 | |
| B2325 | ||
| Front door lock RH | ||
| Front door lock LH | ||
| Rear door lock LH | ||
| Rear door lock RH | ||
| Harness or connector | - | |
| Double lock door control relay (for LHD) | ||
| Double lock door control relay (for RHD) |
Tech Tips
*1: w/ Double Locking Function
*2: for LHD
*3: for RHD
*4: for Double Swing Out Type
*5: w/o Power Back Door System
*6: w/ Power Back Door System