Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

HINT:

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK

HINT:

What Vehicle model, system name
When Date, time, occurrence frequency
Where Road conditions
Under what conditions? Running conditions, driving conditions, weather conditions
How did it happen? Problem symptoms

3 INSPECT BATTERY VOLTAGE

Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding.

4 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally

Result

Result

5 PROBLEM SYMPTOMS TABLE

Result

Result

6 OVERALL ANALYSIS AND TROUBLESHOOTING

  1. Terminals of ECU
  2.  DATA LIST/ACTIVE TEST

7 REPAIR OR REPLACE

8 CONFIRMATION TEST

END

System description
1. POWER MIRROR CONTROL SYSTEM DESCRIPTION This system has these functions: automatic glare-resistant electrochromic (EC) mirror, electrical remote control type mirror, memory function, foot light ...

Problem symptoms table
HINT:  Use the table below to help determine the cause of the problem symptoms. The potential causes of the symptoms are listed in order of probability in the ''Suspected Area'' column ...

Other materials:

Functional requirements
Compatible device, with Bluetooth interface. The vehicle key is in the vehicle. The device is ready for operation. Bluetooth is switched on in the vehicle and on the device. The pairing readiness is displayed on the Control Display. Bluetooth presettings, such as visibility, may be requir ...

For vehicles equipped with srs airbag and seat belt pretensioner
The SIENNA is equipped with a Supplemental Restraint System (SRS). CAUTION: Failure to carry out the service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing and lead to serious injury. Furthermore, if a mistake is made when servicing SRS, it is poss ...

System description
1. MULTIPLEX COMMUNICATION SYSTEM (BEAN) The BEAN communication line is used to control the combination meter, the A/C amplifier, the airbag sensor assembly, the multiplex network body ECU, the power slide door ECU LH, the power slide door ECU RH, the power back door ECU, the seat posi ...

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