Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Navigation / Navigation system / How to proceed with troubleshooting

1 VEHICLE BROUGHT INTO A WORKSHOP

2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION

  1. Ask the customer about symptoms and confirm malfunctions.

3 CONFIRM THE SYSTEM NORMAL CONDITION

4 CHECK DTC

HINT: If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal and repair or replace problem parts.

5 DTC CLEAR

  1. Clear the DTCs and finish the diagnostic mode.

HINT: The currently output DTCs may not indicate actual malfunctions depending on the vehicle conditions.

6 RECHECK DTC

HINT:

7 DIAGNOSTIC TROUBLE CODE CHART

  1. Find the output code on the diagnostic trouble code chart.

8 PROBLEM SYMPTOMS TABLE

  1. Find the applicable symptom code in the problem symptoms table.

HINT: If the symptom does not recur and no code is output, perform the symptom reproduction method

9 CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM

10 CHECK THE CIRCUIT

  1. Adjust, repair, or replace as necessary.

11 RECHECK THE DIAGNOSTIC TROUBLE CODE

HINT: After deleting the DTCs, recheck for diagnostic trouble codes.

12 PERFORM CONFIRMATION TEST

END

System description
1. Radio and navigation assembly outline  Conventionally, 2 separate devices, a "radio and display" and a "navigation ECU" are used. This model has adopted a new type, ...

Identification of noise source
1. Radio Description Radio frequency band  Radio broadcasts use the radio frequency bands shown in the table below Service area The service areas of AM and FM broa ...

Other materials:

No Signal from Transmitter ID1
DESCRIPTION The tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the air pressure of the tires. The measured values are transmitted to the tire pressure warning antenna and receiver on the body as radio waves and then sent to the tir ...

Interior mirror, manually dimmable
To reduce the blinding effect of the interior mirror, flip the lever forward. Interior mirror, automatic dimming feature General information The interior mirror is dimmed automatically. Photocells are used for control: In the mirror glass. On the back of the mirror. Overview Functional requir ...

How to proceed with troubleshooting
The intelligent tester can be used in steps 4, 6, 8 and 9. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS 3 PASSENGER AIRBAG ON/OFF INDICATOR CHECK 4 DTCs CHECK (Present and Past DTCs) Check for DTCs. Result 5 DTCs CHART 6 CIRCUIT INSPECTION 7 REPAIR 8 CLEAR DTCs (Present ...

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