Toyota CH-R Service Manual: System Description

SYSTEM DESCRIPTION

FRONT WIPER AND WASHER CONTROL FUNCTION

Control/Function

Description

MIST function

Operates the wipers in the LO setting when the windshield wiper switch assembly is held in the MIST position.

Auto operation (w/ Rain Sensor)

Operates the wipers as requested by the rain sensor when the windshield wiper switch assembly is set to the AUTO position.

HINT:

  • The period of delay changes in accordance with vehicle speed.
  • Adjust a timing of the wiper operation by operating a controlling sensitivity setting switch.

Intermittent wiper operation control (w/o Rain Sensor)

Controls the delay of the wipers when the windshield wiper switch assembly is set to the INT position.

HINT:

The period of delay is controlled by the intermittent timing switch on the windshield wiper switch assembly.

Washer cooperation

  • When the washer switch is operated for 0.5 seconds or more, the front wipers operate in the LO setting.
  • When the washer switch is released, the front wipers operate in the LO setting for 3 cycles.

NOTICE:

If the washer switch is operated for 40 seconds or more, operation of the washers is stopped to prevent burnout of the windshield washer motor, and the wipers return to the parked position.

Drip prevention wiper function

3 seconds after washer cooperation completes, operates the wipers for 1 cycle to remove any washer fluid that has dripped out.

HINT:

This function only operates when the vehicle is stationary and does not operate at a vehicle speed of 4 km/h (2 mph) or more.

REAR WIPER AND WASHER CONTROL FUNCTION

Control/Function

Description

Intermittent wiper operation control

Operates the rear wiper once every 12 seconds when the rear wiper switch is turned to the INT position.

Washer cooperation

  • When the rear washer switch is operated for 0.5 seconds or more, the rear wiper operates.
  • When the rear wiper operates for approximately 2.5 seconds after releasing the washer switch (rear).

NOTICE:

If the washer switch is operated for 40 seconds or more, operation of the washers is stopped to prevent burnout of the windshield washer motor, and the wiper return to the parked position.

WASHER FLUID LEVEL WARNING FUNCTION (for Cold Area Specification Vehicles)

Control/Function

Description

Washer fluid level low warning

Displays "Windshield Washer Fluid Low" on the multi-information display in the combination meter assembly when the washer fluid level is low.

    Parts Location
    PARTS LOCATION ILLUSTRATION *A w/ Rain Sensor *B for Cold Area Specification Vehicles *1 WINDSHIELD WIPER MOTOR ASSEMBLY ...

    System Diagram
    SYSTEM DIAGRAM FRONT WIPER AND WASHER SYSTEM (w/ Rain Sensor) FRONT WIPER AND WASHER SYSTEM (w/o Rain Sensor) REAR WIPER AND WASHER SYSTEM WASHER FLUID LEVEL WARNING SYSTEM (for Cold A ...

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