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:

Right Rear Wheel Speed Sensor Signal
DESCRIPTION Refer to DTCs C0200/31, C0205/32, C1235/35 and C1236/36 (See page BC-92). HINT: DTC C0210/33 and C1238/38 are for the right rear speed sensor. DTC C0215/34 and C1239/39 are for the left rear speed sensor. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE ON INTELL ...

Removal
1. REMOVE REAR WHEEL 2. REMOVE REAR SHOCK ABSORBER CAP LH (a) Remove the shock absorber head cover. (b) Remove the shock absorber cap LH. 3. REMOVE SHOCK ABSORBER ASSEMBLY REAR LH (a) Support the rear axle beam with a jack. (b) Using a 6 mm hexagon wrench to hold the piston rod, ...

Engine Hood Courtesy Switch Circuit
DESCRIPTION The engine hood courtesy switch is built in the engine hood lock assembly. The switch turns on when the engine hood is opened and turns off when the engine hood is closed. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT ENGINE HOOD COURTESY SWITCH Remove the courtesy swi ...

В© 2011-2026 Copyright www.tsienna.net