Toyota Yaris: Power Mirror Control System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Exterior / Mirror (ext) / Power Mirror Control System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate.

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 Mirror Control System

Symptom	Suspected Area	Link
Electrical remote control mirror does not operate	Outer mirror switch assembly
	Outer rear view mirror assembly LH
	Outer rear view mirror assembly RH
	Wire harness or connector	-
Mirror heater does not operate	Proceed to "Mirror Heater does not Operate with Rear Defogger Switch"
Power retract mirror does not operate	Outer mirror switch assembly
	Outer rear view mirror assembly LH
	Outer rear view mirror assembly RH
	Wire harness or connector	-
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"

Customize Parameters

CUSTOMIZE PARAMETERS CUSTOMIZE POWER MIRROR CONTROL SYSTEM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized...

Diagnosis System

DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the ignition switch off...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U012687,U012987,U015587)

DESCRIPTION The millimeter wave radar sensor assembly communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U010087 Lost Communication with ECM/PCM "A" Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the ECM and millimeter wave radar sensor assembly is detected for 1 second or more...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Door LIN Bus off (B232588)

DESCRIPTION If the main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 8 seconds or more, DTC B232588 will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area B232588 Door LIN Bus off The main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 8 seconds or more...