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:

Manual shifting test
1. Perform manual shifting test Hint: With this test, it can be determined whether the trouble occurs in the electrical circuit or is a mechanical problem in the transaxle. If any abnormalities are found in the following test, the problem is in the transaxle itself. (A) disconnec ...

Random / Multiple Cylinder Misfire Detected
DESCRIPTION When the engine misfires, high concentrations of hydrocarbons (HC) enter the exhaust gas. High HC concentration levels can cause increase in exhaust emission levels. Extremely high concentrations of HC can also cause increases in the Three-Way Catalytic Converter (TWC) tem ...

Disassembly
1. REMOVE CENTER CLUSTER MODULE KNOB NO.1 (for Manual Air Conditioning System) (a) Remove the center cluster module knob No. 1. 2. REMOVE CENTER CLUSTER MODULE KNOB NO.2 (for Manual Air Conditioning System) (a) Release the 2 claws fittings and remove the center cluster module knob No ...