Toyota Yaris: Rain Sensor / On-vehicle Inspection

Toyota Yaris XP210 (2020-2024) 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.

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(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.

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    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...

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    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.

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