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:

Data list / active test
HINT: By accessing the DATA LIST displayed by the intelligent tester, you can perform such functions as reading the values of switches and sensors without removing any parts. Reading the DATA LIST as the first step in troubleshooting is one method to shorten labor time. 1. DATA LIST FOR OCCUPA ...

Fail-safe chart
If any of the following DTCs are set, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily. HINT:  *1: The vehicle can be driven slowly when the accelerator pedal is depressed firmly and slowly. If the accelerator pedal is depressed quickly, the vehicle may ...

Inspection
1. INSPECT TIRE PRESSURE WARNING RESET SWITCH (a) Remove the tire pressure warning reset switch. (b) Measure the resistance between terminals 1 and 2 of the tire pressure warning reset switch when the tire pressure warning switch is ON and OFF. Standard resistance If the result is not as ...