POWER MIRROR CONTROL SYSTEM(w/o Memory) PROBLEM SYMPTOMS TABLE

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.
If the battery voltage becomes low, rear mirror heater operation is canceled to prioritize supplying power to the power steering system.

for Manual Tilt and Manual Telescopic Steering Column: Click here

for Power Tilt and Power Telescopic Steering Column: Click here

General:
Symptom	Suspected Area	Link
RH side power mirror cannot be adjusted with power mirror switch	Outer rear view mirror assembly RH	Click here
	Outer mirror switch assembly	Click here
	Harness or connector	-
LH side power mirror cannot be adjusted with power mirror switch	Outer rear view mirror assembly LH	Click here
	Outer mirror switch assembly	Click here
	Harness or connector	-
Power mirror cannot be adjusted with power mirror switch	Outer mirror switch assembly	Click here
Power mirror cannot be adjusted with power mirror switch	Harness or connector	-
Mirror heater does not operate (w/ Mirror Heater)	Proceed to "Mirror Heater does not Operate with Rear Defogger Switch"	Click here

Retract Function:
Symptom	Suspected Area	Link
Power retract mirrors do not operate	Proceed to "Power Retract Mirrors do not Operate with Power Retract Mirror Switch"	Click here
AUTO power retract mirrors do not operate	Proceed to "AUTO Power Retract Mirrors do not operate"	Click here