Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- Even if the airbag was not deployed, check if there
is any damage to the seat position sensor.
If there are any defects as mentioned below, replace the seat position sensor with a new one:
- Cracks, dents or chips on the sensor housing.
- Cracks or other damage to the connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
12. REMOVE SEAT SLIDE POSITION SENSOR PROTECTOR
- Remove the seat slide position sensor protector from the seat position sensor.
13. REMOVE SEAT POSITION SENSOR
- Disconnect the connector from the seat position sensor.
- Using a "torx" socket wrench (T30), remove the "torx" screw and the seat position sensor.
Seat position sensor
COMPONENTS
...
Installation
1. INSTALL SEAT POSITION AIRBAG SENSOR
Check that the ignition switch is off.
Check that the negative battery (-) terminal is
disconnected.
CAUTION:
After disconnecting the neg ...
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
...
Differential system
PRECAUTION
NOTICE:
When disconnecting the negative (-) battery terminal,
initialize the following systems after the terminal is
reconnected.
1. Before disassembly, clean the outside of the rear
differential assembly and remove any sand or mud to
prevent it from entering the inside of the as ...
Precaution for cooling fan system
NOTICE: • When the ignition switch is turned off and the
engine temperature is high, the cooling fans may
operate for approximately 3 minutes. • After turning the ignition switch
off, keep hands
and objects away from the fans when they are operating.
HINT:
If all of the following a ...
