Toyota 4Runner manuals

Toyota 4Runner: Back Sonar Sensor LH Circuit

DESCRIPTION

The ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance 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. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH)

(a) Remove the No. 1 ultrasonic sensor (rear center sensor LH) (See page ).


(b) Inspect the No. 1 ultrasonic sensor (rear center sensor LH) (See page ).



NG

REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH)

OK

2.

CHECK HARNESS AND CONNECTOR (REAR CENTER SENSOR LH - CLEARANCE WARNING ECU ASSEMBLY)

(a) Disconnect the P3 No. 1 ultrasonic sensor (rear center sensor LH) connector.

(b) Disconnect the F95 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

P3-1 (E) - F95-15 (E4)

Always

Below 1 Ω

P3-2 (S) - F95-16 (S4)

Always

Below 1 Ω

P3-1 (E) - Body ground

Always

10 kΩ or higher

P3-2 (S) - 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

Taillight Relay Circuit
DESCRIPTION This is the power source circuit of the clearance warning ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before p ...

Back Sonar Sensor RH Circuit
DESCRIPTION The ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave, the sensor calculates the approximate distance between the vehicle and the obstacle, and sends t ...

Other materials about Toyota 4Runner:

Installation
INSTALLATION PROCEDURE 1. INSTALL REFRESHING SEAT SWITCH (a) Attach the 4 claws to install the refreshing seat switch. 2. INSTALL LOWER CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY 3. INSTALL NO. 2 CONSOLE BOX RETAINER 4. INSTALL UPPER CONSO ...

System Description
SYSTEM DESCRIPTION 1. POWER WINDOW CONTROL SYSTEM DESCRIPTION (a) The power window control system controls the power window operation using the power window regulator motors. The main controls of this system are the multiplex network master switch assemb ...

© 2016-2021 | www.to4runner.net

0.0059