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:

Power Slide Door RH does not Operate When Satellite Switch is Pressed
DESCRIPTION  The power slide door operates only when the power slide door main switch is ON (switch free: orange paint on the top of the switch appears). The power slide door ECU RH controls the power slide door RH, which activates the slide door motor to open / close the slide do ...

Display check mode
HINT:  This mode checks the color display on the display.  Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle. 1. ENTER DIAGNOSTIC MODE 2. D ...

ECO PRO
Concept ECO PRO supports a driving style that saves on consumption. For this purpose, the engine control and comfort features, for instance the climate control output, are adjusted. Steptronic transmission: under certain conditions the engine is automatically decoupled from the transmission in the ...

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