Toyota Avalon Service & Repair Manual: Inspection

Toyota Avalon 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)

See More:

Toyota Avalon Service & Repair Manual > Sfi System: Basic Inspection
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem ca ...

Toyota Avalon Service & Repair Manual: Inspection

Components

Installation

See More:

Toyota Avalon Owners Manual

Toyota Avalon Service & Repair Manual