Toyota Yaris: Power Mirror Control System / System Description

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Vehicle Exterior / Mirror (ext) / Power Mirror Control System / System Description

SYSTEM DESCRIPTION

POWER MIRROR CONTROL SYSTEM DESCRIPTION

(a) This system has the following functions: electrical remote control mirror function, power retract mirror function, auto power retract mirror function and mirror heater function.

FUNCTION OF MAIN COMPONENT

Component

Function

Outer rear view mirror assembly

Vertical mirror motor

Receives signals from the outer mirror switch assembly and adjusts the mirror surface position vertically.

Horizontal mirror motor

Receives signals from the outer mirror switch assembly and adjusts the mirror surface position horizontally.

Power retract mirror motor

Receives a signal from outer mirror switch assembly, and retracts and returns the outer rear view mirror assemblies.

Mirror heater

When the mirror heater switch (rear window defogger switch) on the air conditioning control assembly is operated, the air conditioning amplifier assembly detects the switch operation via LIN communication. The air conditioning amplifier assembly operates DEF relay and mirror heaters in accordance with the switch operation.

Outer mirror switch assembly

Mirror select and surface adjust switch

  • Consists of R and L switches. One must be chosen to operate the outer mirror switch assembly.
  • After selecting the R or L switch, the right, left, up and down control switches can be operated to change the angle of the mirror surface.

Auto retractable mirror switch

Built into the outer mirror switch assembly and sends the auto retractable outer mirror switch signal to the main body ECU (multiplex network body ECU).

SYSTEM OPERATION

(a) The power mirror control system has the following features:

Function

Outline

Electrical remote control mirror function

When the outer mirror switch assembly is operated, this function moves the mirror surface vertically or horizontally to enable the driver to attain an optimal mirror angle. Turning the mirror select and surface adjust switch to the R position operates the right side mirror, and turning the mirror select and surface adjust switch to the L position operates the left side mirror.

Power retract mirror function

Retracts and returns the outer rear view mirror assemblies when the retractable outer mirror switch is operated.

Auto power retract mirror function

Retracts and returns each outer rear view mirror assembly together with the following operations while the auto retractable outer mirror switch is on.

  • Manual lock/unlock
  • Key-linked lock/unlock
  • Wireless door lock/unlock
  • Wireless 30 seconds auto lock
  • Entry lock/unlock
  • Smart 30 seconds auto lock

Mirror heater function

Turns on the mirror heaters when the rear window defogger is turned on. The rear window defogger and mirror heaters automatically turn off 15 minutes after the rear window defogger and mirror heaters were activated.

    System Diagram

    S..

    How To Proceed With Troubleshooting

    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power mirror control system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2...

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