Mazda 3 Service Manual: Car Navigation System
Outline
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The car-navigation system displays point-of-origin and road guidance maps via the audio unit display and provides guidance and information to the desired point of destination.
NOTE:
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For the car-navigation system operation, refer to the owner's manual.
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A TomTom car-navigation unit has been adopted.
Function
Navigation function
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Calculates route to destination, and provides guidance using the settings made by the user.
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The navigation system is a hybrid-type system which combines independent navigation and satellite navigation to provide highly accurate detection of the current position based on specialized map matching which identifies the current position by comparing the map information data read from the navigation map data on the SD card with the current position measured by the independent navigation and satellite navigation systems.
Map matching
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Map matching compares the road configurations of the map information data stored in the SD based on the current position information measured from independent navigation and satellite navigation, and corrects the current position to the most suitable map information data on the route.
Guidance
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Display guidance
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The remaining distance to destination, branch points, and road names are indicated on the display.
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Voice guidance
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Voice guidance is provided for destination, distance to branch point and heading. The voice guidance is output from the speakers equipped on the vehicle.
Structural view
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The car-navigation system consists of the car-navigation unit, audio unit, GPS antenna, microphone, and speakers.
Block diagram
Operation
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Reads the SD card map data inserted into the car-navigation unit and sends the read data to the audio unit.
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When the audio unit NAV switch is pressed, the system switches to NAVI mode and the navigation screen is displayed in the audio unit display.
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The car-navigation unit is a hybrid-type system which combines independent navigation with satellite navigation, calculates position information and route and arrival time to the destination, and displays it in the audio unit display.
NOTE:
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For details on the car-navigation system, refer to the owner's manual.
Navigation
...
Car Navigation Unit
Purpose
Reads the SD card data inserted into the car-navigation unit and sends the
read data to the audio unit.
Function
The car-navigation unit has the following functions:
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Other materials:
Schedule 2
Chart symbols:
I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if
necessary.
R: Replace
L : Lubricate
C: Clean
T: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine
coolant other than FL-22 may
cause serious damage to the en ...
Rear Package Trim Removal/Installation
1. Remove the following parts:
a. Rear seat cushion.
b. Rear scuff plate.
c. Tire house trim.
d. C-pillar trim.
2. Fold the rear seat back.
3. Remove the fasteners.
4. Pull up the rear package trim in the direction of the arrow (1) shown in the
figure while remove the clips and p ...
Uniform Tire Quality Grading System
(UTQGS)
This information relates to the tire grading system developed by the U.S.
National Highway
Traffic Safety Administration for grading tires by tread wear, traction, and
temperature
performance.
Tread Wear
The tread wear grade is a comparative rating based on the wear rate of the
tire when t ...
