Problem Symptoms Table
HINT:
- 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 | See |
|---|---|---|
| Only Driver Door Lock/Unlock Functions do not Operate | Front door lock assembly LH | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Only Front Passenger Door Lock/Unlock Functions do not Operate | Front door lock assembly RH | Refer to INSPECTION |
| Harness or connector | - | |
| Main body ECU (multiplex network body ECU) | Refer to REMOVAL | |
| Only Back Door Unlock Functions do not Operate*1 | Back door lock assembly | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate |
| Back door outside opener switch assembly | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Harness or connector | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Instrument panel junction block assembly | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Main body ECU (multiplex network body ECU) | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Only Back Door Lock/Unlock Functions do not Operate*2 | CAN communication system | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate |
| Back door lock assembly | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Back door opener switch assembly | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Harness or connector | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Instrument panel junction block assembly | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Main body ECU (multiplex network body ECU) | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| Certification ECU (smart key ECU assembly) | Refer to Only Back Door LOCK / UNLOCK Functions do not Operate | |
| 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 does not Operate*3 | 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 REMOVAL | |
| Shift-linked Automatic Door Lock and Unlock does not Operate*4 | 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 REMOVAL |
- *1: w/o Smart Key System
- *2: w/ Smart Key System
- *3: Default setting is OFF.
- *4: for Automatic Transaxle