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:

Removal
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 2. DISCONNECT VENTILATION HOSE (a) Disconnect the ventilation hose from the ventilation valve. 3. REMOVE VENTILATION VALVE (a) Remove the ventilation valve. ...

Rear view monitor system precautions
Area displayed on screen The rear view monitor system displays an image of the view from the bumper of the rear area of the vehicle. The image on the rear view monitor system can be adjusted. The area displayed on the screen may vary according to vehicle orientation conditions. ...

CD Sound Skips
INSPECTION PROCEDURE 1 CHECK CD Check the CD. OK: The CD is clean. HINT: If dirt is on the CD surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction. NOTICE: Do not use a conventional record cleaner or antistatic preservative. 2 CHECK CD ...

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