Toyota RAV4 manuals

Toyota Sienna Service Manual: 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 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 U4 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

Front 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 wave ...

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 wave ...

Other materials:

No Sound can be Heard from Speakers
INSPECTION PROCEDURE 1 CHECK AUDIO SETTINGS Enter the sound adjustment screen by pressing the "SOUND" switch on the AUDIO display.  Set volume, fader, and balance to the initial values and check that sound is normal. OK: Audio system returns to normal. HINT: Sou ...

Removal
1. REMOVE REAR SEAT LEG SIDE GARNISH SUBASSEMBLY LH  Disengage the clips and remove the seat leg side garnish. 2. REMOVE REAR NO. 2 SEAT ASSEMBLY LH Remove the bolt and locus cable.  Remove the 2 bolts and seat.  Remove the 2 headrests. ...

On-vehicle inspection
1. CONNECT INTELLIGENT TESTER (a) Connect the intelligent tester to the DLC3. (b) Start the engine and run at idle. (c) Select the ACTIVE TEST mode on the intelligent tester. HINT: Please refer to the intelligent tester operator's manual for further details. 2. INSPECT ACTUATOR MOTOR ...

В© 2011-2021 Copyright www.tsienna.net