Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Inspection

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Ultrasonic Sensor(for Front) / Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT CENTER ULTRASONIC SENSOR

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (BI) - 6 (EI)

Always

10 kΩ or higher

4 (BI) - 1 (BO)

Always

Below 1 Ω

5 (SI) - 2 (SO)

Always

Below 30 Ω

6 (EI) - 3 (EO)

Always

Below 1 Ω

If the result is not as specified, replace the front center ultrasonic sensor.

*a

Component without harness connected

(Front Center Ultrasonic Sensor)

2. INSPECT FRONT CORNER ULTRASONIC SENSOR

(a) for RH Side:

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (BI) - 6 (EI)

Always

10 kΩ or higher

4 (BI) - 1 (BO)

Always

Below 1 Ω

5 (SI) - 2 (SO)

Always

Below 30 Ω

6 (EI) - 3 (EO)

Always

Below 1 Ω

If the result is not as specified, replace the front corner ultrasonic sensor RH.

*a

Component without harness connected

(Front Corner Ultrasonic Sensor RH)

(b) for LH Side:

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (BI) - 6 (EI)

Always

10 kΩ or higher

4 (BI) - 1

Always

Below 1 Ω

5 (SI) - 2

Always

Below 30 Ω

6 (EI) - 3

Always

Below 1 Ω

If the result is not as specified, replace the front corner ultrasonic sensor LH.

*a

Component without harness connected

(Front Corner Ultrasonic Sensor LH)
    Components

    Installation

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