Toyota Sienna Service Manual: No. 1 Ultrasonic sensor
COMPONENTS
REMOVAL
1. REMOVE FRONT FENDER LINER LH
2. REMOVE FRONT FENDER LINER RH
3. REMOVE FRONT BUMPER COVER
4. REMOVE REAR BUMPER COVER (2)
5. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER
- Remove the No. 1 ultrasonic sensor retainer as shown in the illustration
6. REMOVE NO. 1 ULTRASONIC SENSOR
- Disconnect the connector and remove the No. 1 ultrasonic sensor.
INSPECTION
1. INSPECT NO.1 ULTRASONIC SENSOR
- Measure the resistance according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace No.1 ultrasonic sensor
INSTALLATION
1. INSTALL NO. 1 ULTRASONIC SENSOR
- Connect the connector and install the No. 1 ultrasonic sensor.
2. INSTALL NO. 1 ULTRASONIC SENSOR RETAINER
- Install the No. 1 ultrasonic sensor retainer.
3. INSTALL REAR BUMPER COVER (3)
4. INSTALL FRONT BUMPER COVER
5. INSTALL FRONT FENDER LINER LH
6. INSTALL FRONT FENDER LINER RH
Clearance warning ECU
COMPONENTS
REMOVAL
1. REMOVE FRONT DOOR SCUFF PLATE LH
2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE INSTRUMENT PANEL FINISH PANEL SUBASSEMBLY LOWER LH
4. REMOVE NO. 1 INSTRUMENT PANEL SAFETY PAD ...
No. 2 Ultrasonic sensor
COMPONENTS
REMOVAL
1. REMOVE REAR BUMPER COVER (2)
2. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER
Remove the No. 1 ultrasonic sensor retainer as
shown in the illustration
3. REMO ...
Other materials:
Mute Signal Circuit between Radio Receiver and Stereo Component
Amplifier
DESCRIPTION
This circuit sends a signal to the stereo component amplifier to mute noise.
Because of that, the noise
produced by changing the sound source ceases.
If there is an open in the circuit, noise can be heard from the speakers when
changing the sound source.
If there is a short i ...
Torque converter clutch and drive plate
Inspection
1. Inspect torque converter clutch assembly
(a) Inspect the one-way clutch.
(1) Set SST into the inner race of the one-way
clutch.
SST 09350-32014 (09351-32010)
(2) Install SST so that it fits in the notch of the
converter hub and outer race of the one-way
clutch.
SST 0 ...
Wiper Signal Circuit
DESCRIPTION
The distance control ECU detects wiper operation. If the windshield wipers
operate in the HI or LO mode,
the cruise control is canceled and the warning sound "pong" is emitted once. In
addition, the following
warnings will continue until the cruise control main switch is ...