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:

Memory Switch Circuit
DESCRIPTION When the seat memory switch M1 or M2 is pressed, the position control ECU & switch (Seat ECU) transmits a signal of the memorized mirror position to the outer mirror control ECU. Then, the outer mirror control ECU drives the mirror motor. HINT: The power mirror control syste ...

System Too
DESCRIPTION The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim consists of both the short-term and long-term fuel trims. The short-term fuel trim is fuel compensation that is used to constantly maintain the air-fuel ratio at stoich ...

Disassembly
1. REMOVE AIR REFINER ELEMENT (a) Release the 2 claw fittings and remove the air filter sub-assembly. (b) Remove the air refiner element from the air filter cover plate. 2. REMOVE COOLING UNIT DAMPER SERVO SUBASSEMBLY (a) Remove the 3 screws and the cooling unit damper servo sub-a ...