Toyota Sienna Service Manual: Back Sonar Sensor RH Circuit

Toyota Sienna Service Manual / Park assist / monitoring / Clearance sonar system / Adjustment / 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 waves and sends the received signals to the clearance warning ECU.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT NO. 2 ULTRASONIC SENSOR

INSPECT NO. 2 ULTRASONIC SENSOR

Remove the No. 2 ultrasonic sensor.
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. 2 ULTRASONIC SENSOR)

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 2 ULTRASONIC SENSOR)

Disconnect the C9 connector from the clearance warning ECU.

CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 2 ULTRASONIC SENSOR)

Disconnect the U5 connector from the No. 2 ultrasonic sensor.
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 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 ...

Front Clearance Sonar Sensor LH Circuit

Other materials:

Installation
1. Install heated oxygen sensor (for bank 2 sensor 2) (see page ec-34) 2. Install front exhaust pipe assembly (a) Install 2 new gaskets to the front exhaust pipe assembly. (b) Install the front exhaust pipe assembly with the 4 nuts. Torque: 62 n*m (632 kgf*cm, 46 ft.*Lbf) 3. INSTALL CE ...

Active test
HINT: Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve), and actuators, to be operated without removing any parts. The ACTIVE TEST can be performed with an intelligent tester. Performing an ACTIVE TEST in the first step in troubleshooting is one ...

Taillight Relay Circuit
DESCRIPTION The Multiplex network body ECU controls TAIL relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER Connect the intelligent tester to DLC3. Turn the ignition switch ON and ...