Toyota Sienna Service Manual: Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT
- Perform the zero point calibration and sensitivity check if any of the following conditions occur.
- The occupant classification ECU is replaced.
- Accessories (seatback tray and seat cover, etc.) are installed.
- The front passenger seat is removed from the vehicle.
- The passenger airbag ON/OFF indicator ("OFF") comes on when the front passenger seat is not occupied.
- The vehicle is brought to the workshop for repair due to an accident or a collision.
NOTICE: When an accident vehicle is brought into the workshop for repair, check the flatness of the body side that is equipped with the passenger seat. If the flatness is not within +- 3.0 mm (0.118 in.), adjust it to the specified range.
PARTS LOCATION
SYSTEM DIAGRAM
System description
1. DESCRIPTION OF OCCUPANT CLASSIFICATION SYSTEM
GENERAL DESCRIPTION.
In the occupant classification system, the
occupant classification ECU calculates the
weight of the occu ...
Other materials:
Front 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 waves and
sends the received
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PROC ...
Reassembly
1. Install lower radiator tank
(a) After checking that there are no foreign objects in
the lock plate groove, install a new O-ring without
twisting it.
HINT:
When cleaning the lock plate groove, lightly rub it
with sandpaper without scratching it.
(b) Tap the lock plate with a plastic ...
Inspection procedure
1 BASIC INSPECTION
Check the conditions necessary for the power slide door
to open:
Power slide door main switch is in the ON position
(switch free: orange paint on the top of the switch
appears).
Slide door is unlocked (door lock position switch is
in the ON position when ...
