Toyota Avalon (XX50): Solar Sensor

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Heating / Air Conditioning / Solar Sensor

Components

COMPONENTS

ILLUSTRATION

*A

w/o Front No. 3 Speaker

*B

w/ Front No. 3 Speaker

*1

AUTOMATIC LIGHT CONTROL SENSOR

*2

FRONT DOOR OPENING TRIM WEATHERSTRIP LH

*3

FRONT DOOR OPENING TRIM WEATHERSTRIP RH

*4

FRONT PILLAR GARNISH LH

*5

FRONT PILLAR GARNISH RH

*6

NO. 1 DEFROSTER NOZZLE GARNISH

*7

CLIP

-

-

Non-reusable part

-

-

Installation

INSTALLATION

PROCEDURE

1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR

(a) Engage the 2 claws to install the automatic light control sensor.

2. INSTALL NO. 1 DEFROSTER NOZZLE GARNISH

Click here

3. INSTALL FRONT PILLAR GARNISH RH

HINT:

Use the same procedure as for the LH side.

Click here

4. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP RH

Click here

5. INSTALL FRONT PILLAR GARNISH LH

Click here

6. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP LH

Click here

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Disconnect the G23 automatic light control sensor connector.

*a

Front view of wire harness connector

(to Automatic Light Control Sensor)

(b) Measure the voltage and resistance according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

*1: for HV Model

*2: for Gasoline Model

G23-1 (CLTB) - G23-2 (CLTE)

Power switch off*1

Below 1 V

Engine switch off*2

Power switch on (IG)*1

11 to 14 V

Engine switch on (IG)*2

Standard Resistance:

Tester Connection

Condition

Specified Condition

G23-2 (CLTE) - Body ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Connect the G23 automatic light control sensor connector.

(d) Connect an oscilloscope to terminals G23-2 (CLTE) and G23-4 (CLTS) of the automatic light control sensor connector and check the waveform.

*a

Component with harness connected

(Automatic Light Control Sensor)

*b

Waveform

OK:

Tester Connection

Condition

Tool Setting

Specified Condition

*1: for HV Model

*2: for Gasoline Model

G23-2 (CLTE) - G23-4 (CLTS)

Power switch on (IG)*1

2 V/DIV., 10 ms./DIV.

Pulse generation

(See waveform)

Engine switch on (IG)*2

HINT:

The communication waveform changes according to the surrounding brightness.

If the result is not as specified, the automatic light control sensor may be malfunctioning.

Removal

REMOVAL

PROCEDURE

1. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH

Click here

2. REMOVE FRONT PILLAR GARNISH LH

Click here

3. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH

HINT:

Use the same procedure as for the LH side.

4. REMOVE FRONT PILLAR GARNISH RH

HINT:

Use the same procedure as for the LH side.

5. REMOVE NO. 1 DEFROSTER NOZZLE GARNISH

Click here

6. REMOVE AUTOMATIC LIGHT CONTROL SENSOR

(a) Disengage the 2 claws to remove the automatic light control sensor.

Room Temperature Sensor

Front Console Box

See More:

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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