Toyota Sienna Service Manual: Problem symptoms table

Customize parameters

1. Seat Belt Buzzer ON/OFF Setting The seat belt buzzer ON/OFF setting, which is a setting of the buzzer function of the combination meter, can disable the driver side seat belt buzzer and front p ...

Terminals of ECU

1. COMBINATION METER ASSEMBLY *1: with Power Rear No. 2 Seat with Stowing Function *2: with Theft Deterrent System  Waveform 1 (Reference) : Using an oscilloscope: OK ...

Other materials:

Removal
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY HINT:  Refer to the instructions for disassembly of the front seat assembly (for flat type).  Refer to the instructions for disassembly of the front seat assembly (for manual seat). Refer to the instructions for disassembly of the fro ...

Installation
1. INSTALL TIRE PRESSURE WARNING ECU (a) Connect the connector to the tire pressure warning ECU. (b) Install the tire pressure warning ECU with the screw. 2. INSTALL INSTRUMENT PANEL SAFETY PAD SUBASSEMBLY HINT: Refer to the instructions for INSTALLATION of the instrument panel safety ...

Correct driving posture
Adjust the angle of the seatback so that you are sitting straight up and so that you do not have to lean forward to steer. Adjust the seat so that you can depress the pedals fully and so that your arms bend slightly at the elbow when gripping the steering wheel. Lock the head rest ...