Toyota RAV4 manuals

Toyota Sienna Service Manual: Front 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

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 - NO. 1 ULTRASONIC SENSOR)

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

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 1 ULTRASONIC SENSOR)

  1. Disconnect the U1 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

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 ...

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 ...

Other materials:

System normal condition check
1. CHECK NORMAL CONDITION  If the symptom is applicable to any of the following, it is intended behavior, and not a malfunction. Symptom Answer A longer route than expected is chosen. Depending on the road conditions, the radio and navigation assembly m ...

Open in Curtain Shield Squib RH Circuit
DTC B1161/84 Open in Curtain Shield Squib RH Circuit DESCRIPTION The curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1161/84 is recorde ...

Removal
HINT: On the RH side, use the same procedures as on the LH side. 1. REMOVE FRONT DOOR SERVICE HOLE COVER LH  Remove the front lower frame bracket garnish LH.  Remove the front door inside handle bezel plug LH.  Remove the front armrest base panel upper LH.  Remove the ...

В© 2011-2026 Copyright www.tsienna.net