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Toyota Sienna Service Manual: How to proceed with troubleshooting

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

1 VEHICLE BROUGHT TO WORK SHOP

2 CUSTOMER PROBLEM ANALYSIS

3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM

  1. Check for the DTC outputs.

4 DTC CHECK

5 DTC CHART

6 PROBLEM SYMPTOMS TABLE

7 TERMINAL OF ECU

8 CIRCUIT INSPECTION

9 IDENTIFICATION OF PROBLEM

10 REPAIR OR REPLACE

11 CONFIRMATION TEST

END

Parts location
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Operation check
1. ILLUMINATED ENTRY SYSTEM OPERATION CHECK  The illuminated entry system is explained below:  Turn the ignition switch OFF, close all the doors, and set them in the lock conditi ...

Other materials:

On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)  Perform a diagnostic system check.  Even if the airbag was not deployed, check if there is any dama ...

Terminals of ECU
1. CENTER AIRBAG SENSOR ASSEMBLY (w/ Side Airbag) 2. CENTER AIRBAG SENSOR ASSEMBLY (w/o Side Airbag) ...

How to use this manual
GENERAL INFORMATION 1. GENERAL DESCRIPTION (a) This manual is written in accordance with SAE J2008. (b) Repair operations can be separated mainly in the following 3 processes:     (1) Diagnosis             (2) Removing / Install ...

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