Lexus ES manuals

Lexus ES: System Description

SYSTEM DESCRIPTION

POWER MIRROR CONTROL SYSTEM (w/o Memory) DESCRIPTION

(a) This system has the following functions: electrical remote control mirror function, power retract mirror function, mirror heater function and automatic glare-resistant EC mirror 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 air conditioning control assembly is operated, the air conditioning amplifier assembly detects the switch operation via LIN communication. The air conditioning amplifier assembly operates the semiconductor power integration ECU and mirror heaters in accordance with the switch operation.

EC mirror cell

Varies the reflection rate of the mirror through function of EC elements.

Outer mirror switch assembly

Mirror select switch

Consists of R and L switches. One must be chosen to operate the outer mirror switch assembly.

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 (w/o 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.

Automatic glare-resistant EC mirror function

Reduces glare/reflection in the mirror during nighttime driving for safer driving conditions.

READ NEXT:

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the power mirror control system (w/o Memory). *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP

 Operation Check

OPERATION CHECK CHECK ELECTRICAL REMOTE CONTROL MIRROR FUNCTION (a) Turn the power switch on (IG). (b) With L on the mirror select switch selected, check that the outer rear view mirror assembly LH su

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage is low, the mirror heater function may not operate. HINT: Use the table below to help determine the cause of problem symptoms. If mul

SEE MORE:

 Inspection

INSPECTION PROCEDURE 1. INSPECT SERVICE PLUG GRIP (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition Service Plug Grip Always Below 1 Ω If the result is not as specified, replace the ser

 Adjustment

ADJUSTMENT CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. PREPARE VEHICLE FOR HEADLIGHT AIM ADJUSTMENT (a) Prepare the vehicle: Ensure that there is no damage or deformation to the vehicle body aro

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