Mazda 3 Service Manual: 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:
TomTom Home
-
By connecting the SD card to your computer at home, the map data or software can be updated by the user.
LIVE Service
NOTE:
-
Can be used when the TomTom Live service is contracted.
-
HD traffic™
-
Safety alerts
-
Local search
-
Weather forecast
Construction
-
The car-navigation unit is installed to the driver-side lower panel.
-
The panel is integrated with the unit.
Terminal layout and signal
Car-navigation unit connector
|
Terminal |
Signal |
|
|
|
1A |
Ground |
|
1B |
Ground |
|
|
1C |
Ground |
|
|
1D |
Ground |
|
|
1E |
— |
|
|
1F |
— |
|
|
1G |
ACC |
|
|
1H |
B+ |
|
|
|
2A |
USB power supply |
|
2B |
USB data (+) |
|
|
2C |
USB ground |
|
|
2D |
USB data (+) |
|
GPS/RDS-TMC antenna
Antenna feeder connector
|
Terminal |
Signal |
|
|
|
3A |
RDS-TMC |
|
3B |
GPS |
|
Operation
-
For the car-navigation unit operation, refer to the CAR-NAVIGATION SYSTEM
Fail-safe
-
Function not equipped.
Car Navigation System
Outline
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.
...
Car Navigation Unit Removal/Installation
With Audio Unit (Without Display)
NOTE:
Car-navigation unit is integrated with the multi information display.
1. Refer to MULTI INFORMATION DISPLAY REMOVAL/INSTALLATION.
With Audio U ...
Other materials:
Wheel Hub, Steering Knuckle Inspection
Wheel Bearing Excessive Play Inspection
1. Install the magnetic base and dial gauge as shown in the figure and measure
the wheel bearing axial excessive play.
If it exceeds the maximum specification, replace the wheel hub bearing.
Maximum front wheel bearing play
0.05 mm ...
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the engine room, pry up the
hook of the clip using a flathead screwdriver. ...
Service Cautions
Injury/damage Prevention Precautions
Depending on the vehicle, the cooling fan may operate suddenly even when
the ignition is switched to off. Therefore, keep hands and tools away from the
cooling fan even if the cooling fan is not operating to prevent injury to personnel
or damage t ...
