Toyota Yaris: Wiper And Washer System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Vehicle Exterior / Wiper / Washer / Wiper And Washer System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration.

Click here

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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Front Wiper System

Symptom

Suspected Area

Link

Front wipers do not operate at all

Proceed to "Wiper and Washer Switch Circuit"

Proceed to "Front Wiper Motor Circuit"

Main body ECU (Multiplex network body ECU)

Windshield wiper relay assembly

Front wipers do not operate in AUTO

Check customize parameters (Auto wiper)

Rain sensor tape (Check for air bubbles)

-

Proceed to "Wiper and Washer Switch Circuit"

Rain sensor

Front wipers do not operate in LO

Proceed to "Wiper and Washer Switch Circuit"

Proceed to "Front Wiper Motor Circuit"

Windshield wiper relay assembly

Front wipers do not operate in HI

Proceed to "Wiper and Washer Switch Circuit"

Proceed to "Front Wiper Motor Circuit"

Windshield wiper relay assembly

Front wipers do not operate in INT*1

Proceed to "Wiper and Washer Switch Circuit"

Front wipers do not operate in MIST

Proceed to "Wiper and Washer Switch Circuit"

Windshield wiper relay assembly

When the front wipers are operating in AUTO, the rain sensor sensitivity cannot be adjusted by the auto sensitivity adjustment switch (wiping interval does not change)

Proceed to "Wiper and Washer Switch Circuit"

When the front wipers are operating in AUTO, the wiper interval does not change according to changes in the vehicle speed

Rain sensor

Main body ECU (Multiplex network body ECU)

When the front wipers are operating in INT, the front wiper intermittent operation interval cannot be adjusted by the auto sensitivity adjustment switch (wiping interval does not change)*1

Proceed to "Wiper and Washer Switch Circuit"

When the front wipers are operating in INT, the front wiper intermittent operation interval does not change according to changes in the vehicle speed*1

Main body ECU (Multiplex network body ECU)

Front wipers continuously operate in AUTO

Proceed to "Wiper and Washer Switch Circuit"

Front wipers continuously operate in LO

Proceed to "Wiper and Washer Switch Circuit"

Front wipers continuously operate in HI

Proceed to "Wiper and Washer Switch Circuit"

Front wipers continuously operate in INT*1

Proceed to "Wiper and Washer Switch Circuit"

When the front wipers are operating in AUTO, they do not stop operating when the driver door or front passenger door is opened

Proceed to "Front Door Courtesy Switch Circuit"

Main body ECU (Multiplex network body ECU)

When the customize setting "Auto Wiper" is changed, the operation of the wiper system does not change

Rain sensor

When the front wiper switch is turned off, the front wipers stop in the wrong position

Proceed to "Front Wiper Motor Circuit"

Check the automatic stop (park) position

Windshield wiper relay assembly

  • *1: When the customize setting "Auto Wiper" is set to "Not Avl".
Washer System

Symptom

Suspected Area

Link

Windshield washer motor and pump assembly does not operate

Proceed to "Wiper and Washer Switch Circuit"

Proceed to "Washer Motor Circuit"

Windshield wiper relay assembly

Front washers do not operate

Proceed to "Wiper and Washer Switch Circuit"

Windshield wiper relay assembly

Washer fluid does not flow (Windshield washer motor and pump assembly is normal)

Washer fluid

-

Washer hose and nozzle

-

    Utility

    UTILITY WIPER SPECIFICATION SWITCH HINT: Although this item is displayed on the GTS, it is not applicable to this vehicle. (a) According to the display on the GTS, select Wiper Specification Switch...

    Terminals Of Ecu

    TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY *1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Parts Location


    PARTS LOCATION ILLUSTRATION *A w/ Ambient Illumination Light - - *1 FRONT DOOR AMBIENT ILLUMINATION LIGHT LH (FRONT DOOR TRIM BOARD SUB-ASSEMBLY LH) *2 FRONT DOOR AMBIENT ILLUMINATION LIGHT RH (FRONT DOOR TRIM BOARD SUB-ASSEMBLY RH) *3 MAP LIGHT ASSEMBLY *4 ROOM LIGHT ASSEMBLY *5 NO...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Left Rear Wheel Speed Sensor Signal Has Too Many Pulses (C050C3A,C05123A)


    DESCRIPTION Refer to DTC C050C1F. Click here DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C050C3A Left Rear Wheel Speed Sensor Signal Has Too Many Pulses When not in Dealer Mode (Signal Check) or Inspection Mode, the output of the speed sensor detected by the skid control ECU (brake actuator assembly) is too high for 5 second or more...

    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

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