Mazda CX-5 Service & Repair Manual: Center Roof Antenna
Purpose, Function
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Converts radio broadcast waves to electric signals and sends the signals to the audio unit.
Construction
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A center roof antenna has been adopted which does not require retraction or removal before going through an automatic car wash machine.
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The center antenna has an integrated antenna amplifier which amplifies the electric signal.
Operation
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When the ignition is switched to ACC or ON (engine off or on), power is supplied from the audio unit to the antenna amplifier inside the center roof antenna.
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The center roof antenna converts the received radio waves of a radio broadcast to an electric signal.
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The center roof antenna amplifies the converted electric signal using the antenna amplifier and sends the signal to the audio unit.
Fail-safe
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Function not equipped.
Auxiliary Jack/Usb Port Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the upper console..
3. While pressing the auxiliary jack/USB port. tabs in the direction of the arrows
(1) shown in the figure, press the aux ...
Center Roof Antenna Inspection
NOTE:
The center roof antenna is integrated with the antenna amplifier.
Antenna amplifier inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Fro ...
Other materials:
Air Fuel Ratio (A/F) Sensor Heater Control
Outline
Based on the control of the A/F sensor heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine start is made possible for improved cold temperature exhaust
emission performance.
...
Crankshaft Position (CKP) Sensor
Purpose/Function
Detects the crankshaft speed as basic information for mainly determining
the fuel injection timing and ignition timing.
Detects the crankshaft speed and inputs it to the PCM as a CKP signal.
Construction
Installed on the side of the cylinder block (ri ...
Hood Latch Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the hood latch switch connector..
4. Verify that the continuity is as indicated in the table.
NOTE:
Inspect the continuity when the hood is open and closed.
If the operation as i ...
