Tech Tips
Use the table below to help determine the cause of a problem. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Repair or replace faulty parts or perform adjustments as necessary.
If problem symptoms cannot be identified, follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.
| Symptom | Suspected Area | See page |
|---|---|---|
| All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side Door Key Cylinder | Front door lock assembly (for driver side) | |
| Fuse (DOOR1) | - | |
| Wire harness or connector | - | |
| Power window master switch assembly | - | |
| Main body ECU (instrument panel junction block) | - | |
| All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch | Door control switch (for front passenger side) | |
| Wire harness or connector | - | |
| Main body ECU (instrument panel junction block) | - | |
| Only Driver Door LOCK/UNLOCK Functions do not Operate | Front door lock assembly (for driver side) | |
| Wire harness and connector | - | |
| Main body ECU (instrument panel junction block) | - | |
| Only Passenger Door LOCK/UNLOCK Functions do not Operate | Front door lock assembly (for front passenger side) | |
| Wire harness or connector | - | |
| Main body ECU (instrument panel junction block) | - | |
| Only Rear Door LH LOCK/UNLOCK Functions do not Operate | Rear door lock assembly LH | |
| Wire harness or connector | - | |
| Main body ECU (instrument panel junction block) | - | |
| Only Rear Door RH LOCK/UNLOCK Functions do not Operate | Rear door lock assembly RH | |
| Wire harness or connector | - | |
| Main body ECU (instrument panel junction block) | - | |
| Only Back Door LOCK/UNLOCK Functions do not Operate | Back door lock assembly | |
| Back door opener switch | - | |
| Wire harness or connector | - | |
| Main body ECU (instrument panel junction block) | - | |
| Key Lock-in Prevention Function does not Work Properly (*1) | Front door courtesy light switch (for driver side) | |
| Unlock warning switch | - | |
| Wire harness or connector | - | |
| Main body ECU (instrument panel junction block) | - |
Tech Tips
*1: w/o Smart Entry and Start System