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:

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While the engine switch is in the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system), move the shift lever with the brake pedal depressed. When shifting the shift lever between P and D, make sure that the vehicle is completely ...

Rear Occupant Classification Sensor LH Circuit Malfunction
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Installation
1. INSTALL SHIFT LEVER ASSEMBLY (a) Install shift lever assembly to the vehicle with the 4 bolts. Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) NOTICE: Into datum hole of shift lever into datum pin of instrument lower. (b) Connect the 2 connectors to the shift lever assembly. ...

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