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:

How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS 3 CHECK INITIAL CHECK FUNCTION 4 PROBLEM SYMPTOMS TABLE THE CORRESPONDING SYSTEM DOES NOT EXIST (Go to step 5) 5 BASED ON THE MALFUNCTION SYMPTOM, PERFORM THE TROUBLESHOOTING BELOW Operation check (C).  Terminals of ECU 6 ...

Oxygen (A/F) Sensor Heater Control Circuit Low/ Oxygen (A/F) Sensor Heater Control Circuit High
DTC P0031 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) DTC P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) DTC P0051 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1) DTC P0052 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 S ...

Changing the rear setting
Adjusting the temperature setting Press the “REAR” button (indicator and rear temperature on the display on). Turn the “REAR TEMP” dial clockwise to increase the temperature and counterclockwise to decrease the temperature. The air conditioning system switches between individual ...