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 Rear) / Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR 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 rear center ultrasonic sensor.

*a	Component without harness connected (Rear Center Ultrasonic Sensor)

2. INSPECT REAR 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 rear corner ultrasonic sensor RH.

*a	Component without harness connected (Rear 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 rear corner ultrasonic sensor LH.

*a	Component without harness connected (Rear Corner Ultrasonic Sensor LH)

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

Components

Installation

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Toyota Avalon (XX50) 2019-2022 Owners Manual

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