Toyota Sienna Service Manual: Removal
1. PRECAUTION
HINT: See page RS-1
2. SEPARATE BATTERY NEGATIVE TERMINAL
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE HORN BUTTON ASSEMBLY (See page RS- 424)
5. REMOVE STEERING WHEEL ASSEMBLY (See page SR-6)
6. REMOVE STEERING COLUMN COVER LWR (See page RS-434)
7. REMOVE SPIRAL CABLE SUB-ASSEMBLY (See page RS-434)
8. REMOVE STEERING ANGLE SENSOR
(a) Release the claw fittings and remove the steering sensor from the spiral cable.
Steering angle sensor
COMPONENTS
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Installation
1. INSTALL STEERING ANGLE SENSOR
(a) Install the steering sensor onto the spiral cable.
2. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
3. INSTALL SPIRAL CABLE SUB-ASSEMBLY (See page
RS-434)
4. I ...
Other materials:
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
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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 waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PR ...
Ignition key cylinder light
ON-VEHICLE INSPECTION
1. KEY CYLINDER LIGHT ASSEMBLY
Connect the battery positive (+) lead to the terminal
1 and the battery negative (-) lead to the terminal 2,
and check that the indicator light comes on.
2. TRANSPONDER KEY AMPLIFIER
Inspect key cylinder light o ...
