Toyota Sienna Service Manual: Repair instruction

Identification information

VEHICLE IDENTIFICATION AND SERIAL NUMBERS 1. VEHICLE IDENTIFICATION NUMBER (a) The vehicle identification number is stamped on the vehicle identification number plate and the certification label, ...

Precaution

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Other materials:

Pre-collision seat belts (front seats of vehicles with pre-collision system)
If the system determines that a collision is unavoidable, the front seat belts will retract before the collision. Emergency locking retractor (ELR) The retractor will lock the belt during a sudden stop or on impact. It may also lock if you lean forward too quickly. A slow, easy motion wi ...

Inspection
1. INSPECT REAR SPEED SENSOR (a) Remove the seat cushion and seatback. (b) Disconnect the speed sensor connector. (c) Measure the resistance between terminals 1 and 2 of the speed sensor connector OK: Resistance: 1.1 +- 0.2 kΩ at 25 +- 5 °C (d) Measure the resistance between ea ...

For vehicles equipped with srs airbag and seat belt pretensioner
The SIENNA is equipped with a Supplemental Restraint System (SRS). CAUTION: Failure to carry out the service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing and lead to serious injury. Furthermore, if a mistake is made when servicing SRS, it is poss ...