Toyota RAV4 manuals

Toyota Sienna Service Manual: Rear Clearance 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 waves and sends the received signals to the clearance warning ECU.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT NO. 1 ULTRASONIC SENSOR

 INSPECT NO. 1 ULTRASONIC SENSOR

  1. Remove the No. 1 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. 1 ULTRASONIC SENSOR)

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU

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

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU

  1. Disconnect the U6 connector from the No. 1 ultrasonic sensor.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Rear Clearance 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 wave ...

No. 1 Clearance Warning Buzzer Circuit
DESCRIPTION The clearance warning ECU receives the ultrasonic sensor signal to sound the front warning buzzer. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FRONT BUZZER Remove the c ...

Other materials:

Display Signal Circuit between Radio and Navigation Assembly and Television Camera Assembly
DESCRIPTION This is the display signal circuit of the television camera assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION CAMERA ASSEMBLY) Disconnect the R10 connector from the radio and navigation assembly. &nbs ...

Sound Signal Circuit between Radio Receiver and Television Display Assembly
DESCRIPTION The television display assembly sends a sound signal to the radio receiver through this circuit. The sound signal that has been sent is amplified by the stereo component amplifier or radio receiver (built-in amplifier), and then is sent to the speakers. If there is an open or ...

Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT  Perform the zero point calibration and sensitivity check if any of the following conditions occur.  The occupant classification ECU is replaced.  Accessories (seatback tray and seat cover, etc.) are installed. ...

В© 2011-2020 Copyright www.tsienna.net