Toyota Tundra Service Manual: Rear Clearance Sonar Sensor RH Circuit

Toyota Tundra Service Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Intuitive Parking Assist System / Rear Clearance Sonar Sensor RH Circuit

DESCRIPTION

The No. 2 ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance value between the vehicle and the obstacle, and sends the distance value as a signal to the clearance warning ECU assembly.

WIRING DIAGRAM

PROCEDURE

1.

INSPECT NO. 2 ULTRASONIC SENSOR (REAR CORNER SENSOR RH)

(a) Remove the No. 2 ultrasonic sensor (rear corner sensor RH) (See page ).

(b) Inspect the No. 2 ultrasonic sensor (rear corner sensor RH) (See page ).

NG

REPLACE NO. 2 ULTRASONIC SENSOR (REAR CORNER SENSOR RH)

OK

2.

CHECK HARNESS AND CONNECTOR (REAR CORNER SENSOR RH - CLEARANCE WARNING ECU ASSEMBLY)

(a) Disconnect the S4 No. 2 ultrasonic sensor (rear corner sensor RH) connector.

(b) Disconnect the J35 clearance warning ECU assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

S4-1 (BI) - J35-12 (BOR)

Always

Below 1 Ω

S4-3 (SI) - J35-14 (SOR)

Always

Below 1 Ω

S4-5 (EI) - J35-13 (E1)

Always

Below 1 Ω

S4-1 (BI) - Body ground

Always

10 kΩ or higher

S4-3 (SI) - Body ground

Always

10 kΩ or higher

S4-5 (EI) - Body ground

Always

10 kΩ or higher
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Rear Clearance Sonar Sensor LH Circuit

    System Description

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