Toyota Avalon Service & Repair Manual: System Description

SYSTEM DESCRIPTION

POWER MIRROR CONTROL SYSTEM (for Gasoline Model without Memory) DESCRIPTION

(a) This system has the following functions: electrical remote control 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.

Mirror heater

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

Outer mirror switch assembly

Mirror select switch

Consists of individual R and L switches. One must be selected to operate the mirror adjust switch.

Mirror adjust switch

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.

SYSTEM OPERATION

(a) The power mirror control system (for Gasoline Model without Memory) 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 switch to the R position operates the right side mirror, and turning the mirror select switch to the L position operates the left side mirror.

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. The rear window defogger and mirror heaters continue to operate up to an additional 45 minutes if the following conditions are met.

  • The outside temperature is -3°C (27°F) or lower.
  • Power generated by the generator assembly is stable.
    Problem Symptoms Table

    System Diagram

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