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Toyota Sienna Service Manual: How to proceed with troubleshooting

HINT: Troubleshoot in accordance with the procedures on the following pages

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check for normal function of the multiplex communication system.
  1.  (ECU unconnected, communication line malfunctioning) Without code outputs, proceed to A.
  2.  (ECU unconnected, communication line malfunctioning) With code outputs, proceed to B.

4 PROBLEM SYMPTOMS TABLE

  1. When problem is not listed on problem symptoms table, proceed to A.
  2.  When problem is listed on problem symptoms table, proceed to B.

5 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

  1. Data List / Active Test.
  2.  Terminals of ECU

6 ADJUST, REPAIR OR REPLACE AND RESET SLIDE DOOR SYSTEM

END

Slide door closer system
PARTS LOCATION ...

Initialization
1. RESET  Reset the power slide door system: The power slide door ECU records the fully open position of the power slide door in its memory and the power slide door fully opens and clos ...

Other materials:

Tire inflation pressure
General information The tire characteristics and tire inflation pressure influence the following: The service life of the tires. Road safety. Driving comfort. Fuel consumption. Safety information Warning A tire with too little or no tire inflation pressure may heat up significantly and sustai ...

Removal and installation of engine intake parts
REMOVAL AND INSTALLATION OF ENGINE INTAKE PARTS (a) If any metal particles enter inlet system parts, this may damage the engine. (b) When removing and installing inlet system parts, cover the openings of the removed parts and engine openings. Use gummed tape or other suitable materials ...

Overview
Buttons on the steering wheel With steering and traffic jam assistant: Cruise control on/off. With steering and traffic jam assistant: Select function. Without steering and traffic jam assistant: Cruise control on/off. Store current speed. Speed Limit Assist: take over suggested speed manual ...

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