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
INSPECTION PROCEDURE
1 INSPECT NO. 1 ULTRASONIC SENSOR
- Remove the No. 1 ultrasonic sensor.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
2 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - NO. 1 ULTRASONIC SENSOR)
- Disconnect the C9 connector from the clearance warning ECU.
- Disconnect the U6 connector from the No. 1 ultrasonic sensor.
- Measure the resistance according to the value(s) in the table below.
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:
Sliding door child-protector locks
The sliding door cannot be
opened by the inside door handle
and the second seat sliding door
switch when the lock is set.
Unlock
Lock
These locks can be set to prevent
children from opening the sliding
doors. Push down on each sliding
door switch to lock that sliding
door.
The p ...
On-vehicle inspection
1. INSPECT FOR FUEL PUMP OPERATION AND FUEL
LEAK
(a) Check fuel pump operation.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the engine switch on (IG) and push the
intelligent tester main switch on.
NOTICE:
Do not start the engine.
(3) Select the following menu it ...
Disassembly
1. REMOVE OCCUPANT CLASSIFICATION ECU
2. REMOVE FRONT SEAT CUSHION SHIELD INNER RH
Remove the screw.
Using a screwdriver, disengage the claws and
remove the cushion shield inner.
HINT:
Tape the screwdriver tip before use.
3. REMOVE FRONT SEAT INNER BELT ASSEMBLY RH
&nbs ...
