Toyota RAV4 manuals

Toyota Sienna Service Manual: Back Sonar Sensor LH Circuit

DESCRIPTION

An ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a preamplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and sends the received signals to the clearance warning ECU.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT NO. 2 ULTRASONIC SENSOR

 INSPECT NO. 2 ULTRASONIC SENSOR

  1. Remove the No. 2 ultrasonic sensor.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 2 ULTRASONIC SENSOR)

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 2 ULTRASONIC SENSOR)

  1. Disconnect the C9 connector from the clearance warning ECU.

  1. Disconnect the U3 connector from the No. 2 ultrasonic sensor.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Speed Signal Circuit
DESCRIPTION The clearance warning ECU receives the vehicle speed signal from the combination meter. HINT:  A voltage of 12 V or 5 V is output from each ECU and then input to the combin ...

Back Sonar Sensor RH Circuit
DESCRIPTION An ultrasonic sensor consists of a sensor portion that transmits and receives ultrasonic waves and a preamplifier that amplifies them. The ultrasonic sensor outputs the ultrasonic wave ...

Other materials:

Reassembly
1. INSTALL REAR DOOR WIRE SUB-ASSEMBLY LH Install the wire. NOTICE: When installing the wire, push the areas where the clips are installed in order to prevent damage and deformation. Install the 2 screws 2. INSTALL REAR DOOR LOCK ASSEMBLY LH Apply MP grease to the slidin ...

Installation
1. INSTALL STARTER ASSEMBLY (a) Install the starter with the 2 bolts. Torque: 37 N*m (380 kgf*cm, 26 ft.*lbf) for bolt (b) Connect the starter connector. (c) Install the terminal nut and cover the nut with the cap. Torque: 9.8 N*m (100 kgf*cm, 7 ft.*lbf) for nut 2. INSTALL NO. 1 ...

On-vehicle inspection
1. INSPECT SIDE AIRBAG SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT SIDE AIRBAG SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)  Perform a diagnostic system check.  When the center pillar of the vehicle or ...

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