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
HINT: On the RH side, use the same procedures as on the LH side. 1. REMOVE SLIDE DOOR Remove the rear door scuff plate (See page IR-7). Remove the back door scuff plate (See page ED- 214). Remove the quarter trim panel (See page IR-9). Remove the upper rail cushion from the rail up ...

Outside vehicle
General maintenance Check the parts of the vehicle described below on a daily basis. Performing maintenance checks on the vehicle is the owner's responsibility. The owner may take the vehicle to a service center but it is recommended that the owner perform the checks. In most cases, special ...

Catalyst System Efficiency Below Threshold
MONITOR DESCRIPTION The ECM uses the sensors mounted in front of and behind the three-way catalyst (TWC) to monitor its efficiency. The first sensor, an Air Fuel ratio (A/F) sensor, sends pre-catalyst A/F ratio information to the ECM. The second sensor, a heated oxygen sensor (O2S), sends ...