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Toyota Sienna Service Manual: For vehicles equipped with mobile communication systems

Toyota Sienna Service Manual / Introduction / Repair instruction / Precaution / For vehicles equipped with mobile communication systems

FOR VEHICLES EQUIPPED WITH MOBILE COMMUNICATION SYSTEMS FOR VEHICLES EQUIPPED WITH MOBILE COMMUNICATION SYSTEMS

(a) Install the antenna far away from the ECU and sensors of the vehicle electronic systems as possible.

(b) Install an antenna feeder at least 20 cm (7.87 in.) away from the ECU and sensors of the vehicle electronic systems. For details about ECU and sensors locations, refer to the section on the applicable components.

(c) Keep the antenna and feeder separate from other wirings as much as possible. This will prevent signals sent from the communication equipment from affecting vehicle equipment and vice-versa.

(d) Check that the antenna and feeder are correctly adjusted.

(e) Do not install any high-powered mobile communication system.

Handling of hose clamps
HANDLING OF HOSE CLAMPS (a) Before removing the hose, check the clamp position so that it can be reinstalled in the same position. (b) Replace any deformed or dented clamps with new ones. ...

When servicing full-time 4wd vehicles
The full-time 4WD SIENNA is equipped with the open center differential system. If incorrect preparations or test procedures are used, the test will not only be unsuccessful, but may be dangerous ...

Other materials:

Door control switch
INSPECTION 1. INSPECT DOOR CONTROL SWITCH ASSEMBLY  Measure the resistance according to the value(s) in the table below. Standard resistance HINT: If the result is not as specified, replace the switch. ...

Removal
1. Disconnect cable from negative battery terminal 2. REMOVE HEATED OXYGEN SENSOR (for Bank 1 Sensor 2) (See page EC-32) 3. REMOVE TAIL EXHAUST PIPE ASSEMBLY (a) Remove the 2 bolts. (b) Disconnect the 3 exhaust pipe supports and remove the tail exhaust pipe assembly. (c) Remove the gas ...

Removal
1. REMOVE FRONT DOOR WINDOW FRAME MOULDING Remove the screw. Using a heat light, heat the front door window frame moulding between 40 to 60 C (104 to 140 F). NOTICE: Do not heat the front door window frame moulding excessively. Slide the front door window frame moulding upward ...

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