Toyota Yaris: Automatic Light Control Sensor / On-vehicle Inspection

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Exterior / Lighting (ext) / Automatic Light Control Sensor / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Check the wire harness.

(1) Disconnect the automatic light control sensor.

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

mostbet registration

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

H78-1 (CLTB) - H78-2 (CLTE)

Ignition switch on (IG)

11 to 14 V

If the specified condition is not met, replace the vehicle wire harness.

*a

Front view of wire harness connector

(Automatic Light Control Sensor)

(b) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

H78-2 (CLTE) - Body ground

Always

Below 1 Ω

If the specified condition is not met, replace the vehicle wire harness.

*a

Front view of wire harness connector

(Automatic Light Control Sensor)

(c) Check the automatic light control sensor.

(1) Connect the automatic light control sensor.

(2) Check the waveform. Use the oscilloscope and check the waveform in the terminal spaces.

NOTICE:

With the connector connected as is, check from the rear side of the connector.

*a

Component with harness connected

(Automatic Light Control Sensor)

*b

Waveform

OK:

Tester Connection

Condition

Tool Setting

Specified Condition

H78-4 (CLTS) - H78-2 (CLTE)

Ignition switch on (IG)

2 V/DIV.,10 ms/DIV.

Pulse generation

(See waveform)

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.

    Components

    C..

    Removal

    REMOVAL PROCEDURE 1. DISCONNECT NO. 1 ROOF HEADLINING MOULDING LH Click here 2. DISCONNECT NO. 1 ROOF HEADLINING MOULDING RH HINT: Use the same procedure as for the LH side...

    Other information:

    Toyota Yaris XP210 (2020-2025) Owner's Manual: Displayable Range on the Screen


    The images on the screen may be different from the actual conditions. Screen display  Actual view The displayable range varies depending on the vehicle and road conditions. The displayable range is limited. Objects under the bumper or around the bumper ends cannot be displayed...

    Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Components


    COMPONENTS ILLUSTRATION *1 REAR AXLE HUB BOLT *2 REAR DISC *3 REAR DISC BRAKE CALIPER ASSEMBLY *4 REAR FLEXIBLE HOSE *5 PARKING BRAKE SHOE ADJUSTING HOLE PLUG - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...

    Categories

    Refueling

    Before refueling, close all the doors, windows, and the liftgate/trunk lid, and switch the ignition OFF.

    To open the fuel-filler lid, pull the remote fuel-filler lid release.

    Toyota Yaris. Refueling

    To remove the fuel-filler cap, turn it counterclockwise. Attach the removed cap to the inner side of the fuel-filler lid.

    read more

     
    Copyright © 2025 www.toyaris4.com