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:

Torque Converter Clutch Solenoid Circuit
DESCRIPTION The shift solenoid valve DSL is turned "ON" and "OFF" by signals from the ECM in order to control the hydraulic pressure operation, the lock-up relay valve, which then controls operation of the lock-up clutch. MONITOR DESCRIPTION Torque converter lock-up i ...

Transmission Fluid Temperature Sensor "A"
DESCRIPTION The ATF (Automatic Transmission Fluid) temperature sensor converts the fluid temperature into a resistance value which is input into the ECM. The ECM applies a voltage to the temperature sensor through ECM terminal THO1. The sensor resistance changes with the transmission f ...

Optimal use of the audio system
On the “Sound Settings” screen, sound quality (Treble/Mid/ Bass), volume balance can be adjusted. How to adjust the sound settings and sound quality 1, 2, 3 Select “-” or “+” to adjust the treble, mid or bass to a level between -5 and 5. 4, 5 Select “Front” or “Rear” ...