Note
If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*
*: w/ Door Control Battery
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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Driver side power mirror cannot be adjusted with power mirror switch | Proceed to "Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch" | |
| Front passenger side power mirror cannot be adjusted with power mirror switch | Proceed to "Front Passenger Side Power Mirror cannot be Adjusted with Power Mirror Switch" | |
| Power mirror cannot be adjusted with power mirror switch | Proceed to "Power Mirror cannot be Adjusted with Power Mirror Switch" | |
| Mirror heater does not operate with rear defogger switch*1 | Proceed to "Mirror Heater does not Operate with Rear Defogger Switch" | |
| Power retract mirrors do not operate with power retract mirror switch | Proceed to "Power Retract Mirrors do not Operate with Power Retract Mirror Switch" | |
| AUTO power retract mirrors do not operate | Proceed to "AUTO Power Retract Mirrors do not operate" | |
| Position memorization or recall of a memorized position is not possible | Proceed to "Power Mirror Surface Position is not Memorized" | |
| Reverse shift-linked function of power mirrors does not operate | Proceed to "Reverse Shift-linked Function of Power Mirrors does not Operate" | |
| Reverse shift-linked function of power mirrors does not return | Main body ECU (Multiplex network body ECU) | |
| Driver side reverse shift-linked function of power mirrors does not return | Outer rear view mirror assembly LH*2 and RH*3 | |
| Outer mirror control ECU assembly LH*2 and RH*3 | ||
| Front passenger side reverse shift-linked function of power mirrors does not return | Outer rear view mirror assembly RH*2 and LH*3 | |
| Outer mirror control ECU assembly RH*2 and LH*3 | ||
| Memorization of the reverse shift-linked mirror position is not possible | Outer mirror control ECU assembly LH*2 and RH*3 | |
| Outer mirror control ECU assembly RH*2 and LH*3 | ||
| Wireless transmitter memory function does not operate | Entry and start system*4 | |
| Wireless door lock control system*4 | ||
| Wireless door lock control system*5 | ||
| Power door lock control system | ||
| Front power seat control system*6 | ||
| Main body ECU (Multiplex network body ECU) | ||
| Wireless-linked return function does not operate | Entry and start system*4 | |
| Wireless door lock control system*4 | ||
| Wireless door lock control system*5 | ||
| Front power seat control system*6 | ||
| Main body ECU (Multiplex network body ECU) |
*1: w/ Mirror Heater
*2: for LHD
*3: for RHD
*4: w/ Entry and Start System
*5: w/o Entry and Start System
*6: w/ Memory