Toyota Yaris: Rain Sensor / On-vehicle Inspection

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Vehicle Exterior / Wiper / Washer / Rain Sensor / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT RAIN SENSOR

(a) Remove the rain sensor cover.

Click here

(b) Disconnect the rain sensor connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

V9-4 (SIG) - V9-2 (ES)

Ignition switch ON

11 to 14 V

If the result is not as specified, repair or replace the harness or connector.

*a

Front view of wire harness connector

(to Rain sensor)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

V9-2 (ES) - Body ground

Always

Below 1 Ω

If the result is not as specified, repair or replace the harness or connector.

*a

Front view of wire harness connector

(to Rain sensor)

(e) Reconnect the rain sensor connector.

(f) Connect an oscilloscope to the rain sensor connector.

(g) Check for pulses.

OK:

Tester Connection

Condition

Specified Condition

V9-3 (MPX) - V9-2 (ES)

Ignition switch ON

Front wiper switch Auto

Pulse generation

If the result is not as specified, replace the rain sensor.

*a

Component with harness connected

(Rain sensor)

(h) Install the rain sensor cover.

Click here

    Components

    C..

    Removal

    REMOVAL PROCEDURE 1. REMOVE RAIN SENSOR COVER (a) Disengage the claws and guide to remove the rain sensor cover. 2. REMOVE RAIN SENSOR (a) Release the stopper by pulling it out as shown in the illustration...

    Other information:

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


    PRECAUTION NOTICE: If the auxiliary battery has been discharged and charged or the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal, perform Steering Sensor Zero Point Calibration. Click here PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL PRECAUTIONS FOR LANE TRACING ASSIST SYSTEM (a) Precautions for Using the Lane Tracing Assist System (1) The lane tracing assist system provides information to the driver and performs steering assistance according to the road and driving conditions...

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


    COMPONENTS ILLUSTRATION *1 NO. 1 ENGINE UNDER COVER ASSEMBLY *2 SUCTION HOSE SUB-ASSEMBLY *3 NO. 1 COOLER REFRIGERANT DISCHARGE HOSE *4 COMPRESSOR WITH PULLEY ASSEMBLY *5 O-ring - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...

    Categories

    Break-In Period

    No special break-in is necessary, but a few precautions in the first 600 miles (1,000 km) may add to the performance, economy, and life of the vehicle.

    Do not race the engine. Do not maintain one constant speed, either slow or fast, for a long period of time. Do not drive constantly at full-throttle or high engine rpm for extended periods of time. Avoid unnecessary hard stops. Avoid full-throttle starts.

    read more

     
    Copyright © 2025 www.toyaris4.com