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:

Back Door Closer does not Operate
DESCRIPTION The power back door ECU controls the back door closer system. In response to the signals output from the switches related to the back door lock, the back door latch activates the closer motor. HINT: The back door closer system operates regardless of whether the power back door ...

Service requirements
Concept The function displays the service requirements and the corresponding maintenance scopes. General information After switching on drive-ready state, the instrument cluster briefly displays available driving distance or time to the next scheduled maintenance. A service advisor can read out the ...

Reassembly
1. INSTALL FRONT DISC (a) Aligning the matchmarks, install the front disc. HINT: Select the installation position where the disc has the minimum runout. 2. INSPECT DISC RUNOUT (a) Temporarily fasten the disc with the hub nuts. Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) (b) Using a ...

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