Purpose, Function
The GPS antenna receives signals sent from GPS satellites and sends them to the car navigation unit.
NOTE:
GPS (Global Positioning System) was developed by the Pentagon (U.S.A.) as an object locating system using satellites. The GPS antenna receives signals from several of the satellites orbiting at an altitude of approx. 21,000 km {13,049 mile} to detect the current position of the vehicle.
Construction
The GPS antenna is installed inside the center part of the instrument panel.

Fail-safe
Function not equipped.
Car Navigation Unit Removal/Installation
Global Positioning System (Gps) Antenna Removal/InstallationOil Cooler
Purpose, Function
The oil cooler routes engine oil and engine coolant through the interior
and disperses the engine oil heat using the engine coolant. As a result, the
oil temperature is maintained properly to reduce the engine oil deterioration.
Construction
A 9-layered ty ...
Forced Ignition On
NOTE:
In order to perform a forced ignition ON, the M-MDS is necessary. If the
servicing is being done outside of an Authorized Mazda dealership, contact an
Authorized Mazda dealership for instructions.
The forced ignition ON procedure forces a power supply to each part when
...
Filament Inspection
1. Switch the ignition ON (engine off).
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touching it ...