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:

Inspection
1. Inspect heated oxygen sensor (for bank 1 sensor 2) (a) Measure the resistance of the sensor. Standard resistance If the resistance is not as specified, replace the sensor. 2. HEATED OXYGEN SENSOR (for Bank 2 Sensor 2) (a) Measure the resistance of the sensor. Standard resistance ...

Diagnosis system
1. CHECK DLC3  The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not opera ...

Data list / active test
1. DATA LIST HINT: Using the intelligent tester to read the DATA LIST allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered ...