Toyota Avalon (XX50): Inner Rear View Mirror

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Mirror (int) / Inner Rear View Mirror

Components

COMPONENTS

ILLUSTRATION

*A	w/o Garage Door Opener System	*B	w/ Garage Door Opener System
*1	INNER REAR VIEW MIRROR ASSEMBLY	*2	NO. 1 FORWARD RECOGNITION COVER
*3	NO. 2 FORWARD RECOGNITION COVER	-	-

Inspection

INSPECTION

PROCEDURE

1. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/o Garage Door Opener System)

(a) Inspect the operation of the electrochromic inner rear view mirror assembly.

*a	Black Colored Tape	*b	Forward Sensor
*c	Bright	*d	Dark
*e	Auxiliary Battery	*f	AUTO Switch
*g	Component without harness connected (Inner Rear View Mirror Assembly)	-	-

(1) Connect a positive (+) lead from the auxiliary battery to terminal 1 and a negative (-) lead to terminal 2.

(2) Press the AUTO switch.

(3) Attach black colored tape to the forward sensor to prevent it from sensing.

(4) Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark.

OK:

Mirror surface changes from bright to dark.

(5) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
4 - 5	Inner rear view mirror surface Bright → Dark	Below 1 V → 1.25 V

Tester Connection

Condition

Specified Condition

4 - 5

Inner rear view mirror surface

Bright → Dark

Below 1 V → 1.25 V

If the result is not as specified, replace the inner rear view mirror assembly.

2. INSPECT INNER REAR VIEW MIRROR ASSEMBLY (w/ Garage Door Opener System)

(a) Inspect the operation of the electrochromic inner rear view mirror assembly.

*a	Black Colored Tape	*b	Forward Sensor
*c	Bright	*d	Dark
*e	Auxiliary Battery	*f	EC Switch
*g	Component without harness connected (Inner Rear View Mirror Assembly)	-	-

(1) Connect a positive (+) lead from the auxiliary battery to terminal 1 and a negative (-) lead to terminal 2.

(2) Press the EC switch.

(3) Attach black colored tape to the forward sensor to prevent it from sensing.

(4) Light up the mirror with an electric light, and check that the mirror surface changes from bright to dark.

OK:

Mirror surface changes from bright to dark.

(5) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
4 - 5	Inner rear view mirror surface Bright → Dark	Below 1 V → 1.25 V

Tester Connection

Condition

Specified Condition

4 - 5

Inner rear view mirror surface

Bright → Dark

Below 1 V → 1.25 V

If the result is not as specified, replace the inner rear view mirror assembly.

Installation

INSTALLATION

PROCEDURE

1. INSTALL INNER REAR VIEW MIRROR ASSEMBLY

(a) Slide and temporarily install the inner rear view mirror assembly as shown in the illustration.

Install in this Direction

(b) Using a T20 "TORX" socket wrench, install the inner rear view mirror assembly with the screw.

(d) Connect the connector.

2. INSTALL NO. 1 FORWARD RECOGNITION COVER

Click here

3. INSTALL NO. 2 FORWARD RECOGNITION COVER

Click here

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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.

Inner Rear View Mirror

Symptom	Suspected Area	Link
Auto glare-resistant EC mirror does not operate	ECU-IG1 NO. 3 fuse	-
	Inner rear view mirror assembly
	Wire harness or connector	-

Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during inner rear view mirror assembly removal/installation are shown below.

Necessary Procedures After Procedure Performed (for Gasoline Model)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of inner rear view mirror assembly	Register codes in the garage door opener system	Garage door opener system

Necessary Procedures After Procedure Performed (for HV Model)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of inner rear view mirror assembly	Register codes in the garage door opener system	Garage door opener system

PROCEDURE

1. REMOVE NO. 2 FORWARD RECOGNITION COVER

Click here

2. REMOVE NO. 1 FORWARD RECOGNITION COVER

Click here

3. REMOVE INNER REAR VIEW MIRROR ASSEMBLY

(a) Disconnect the connector.

(b) Disengage the clamp.

(d) Slide the inner rear view mirror assembly as shown in the illustration to remove it.

Remove in this Direction

System Diagram

SYSTEM DIAGRAM

Trip Switch

Power Outlet Socket(for Console Box Front Side)

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