2007 TOYOTA SIENNA Service Repair Manual

Page 265 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NS–4NAVIGATION  –  NAVIGATION SYSTEM
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2. Navigation system outline
(a) Vehicle position tracking methods
It is essential that the navigation system correctly 
tracks the current vehicle position

Page 266 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NAVIGATION  –  NAVIGATION SYSTEMNS–5
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Operation Description
Vehicle Position CalculationThe radio and navigation assembly calculates the current vehicle 
position (direction and current position

Page 267 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NS–6NAVIGATION  –  NAVIGATION SYSTEM
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HINT:
The combination of autonomous and GPS 
navigation makes it possible to display the vehicle 
position even when the vehicle is in places where 
the GPS

Page 268 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NAVIGATION  –  NAVIGATION SYSTEMNS–7
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(c) GPS navigation (Satellite navigation)
This method detects the absolute vehicle position 
using radio waves from a GPS satellite.
* GPS satellites were l

Page 269 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NS–8NAVIGATION  –  NAVIGATION SYSTEM
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(d) Map matching
The current driving route is calculated by 
autonomous navigation (according to the gyro 
sensor and vehicle speed sensor) and GPS 
navigat

Page 270 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NAVIGATION  –  NAVIGATION SYSTEMNS–9
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(e) Touch switch
Touch switches are touch-sensitive (interactive) 
switches operated by touching the screen. When a 
switch is pressed, the outer glass bend

Page 271 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NS–10NAVIGATION  –  NAVIGATION SYSTEM
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CAUTION:
Do not look directly at the laser pickup because 
the radio and navigation assembly (built-in 
navigation ECU) uses an invisible laser beam.
Be su

Page 272 of 3000

TOYOTA SIENNA 2007  Service Repair Manual NAVIGATION  –  NAVIGATION SYSTEMNS–11
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• Leaving the disc exposed halfway out of the 
slot for a long time after pressing the disc 
eject button may cause deformation of the 
disc, making the