Sienna FWD V6-3.3L (3MZ-FE) (2006)
This method determines the relative vehicle position based on the running track determined by the gyro and vehicle speed sensors located in
the radio and navigation assembly.
1. Gyro sensor
Calculates the direction by detecting angular velocity. It is located in the radio and navigation assembly.
2. Vehicle speed sensor
Used to calculate the vehicle running distance.
c. GPS navigation (Satellite navigation)
This method detects the absolute vehicle position using radio waves from a GPS satellite.
* GPS satellites were launched by the U.S. Department of Defence for military purposes.