Mazda CX-5 Service & Repair Manual: Main Relay Control [Skyactiv G 2.0]
Outline
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Supplies power to each part by switching the main relay on/off at the optimal timing according to the vehicle conditions.
Block Diagram
Operation
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When the ignition is switched ON, the main relay turns on and electrical power is supplied to each sensor and device.
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When the ignition is switched off from ON, an on-request signal is received from each control (such as drive-by-wire control, electric variable valve timing control) and the main relay turns on for a specified period.
Front Body Control Module (Fbcm) Removal/Installation
CAUTION:
If configuration is not performed when the front body control module (FBCM)
is replaced with a new one, the vehicle specification information is not stored
in the front body con ...
Multiplex Communication System
A controller area network (CAN) system has been adopted in which multiplex
communication is performed using a single communication path.
A high-speed controller area network (HS-CAN) ...
Other materials:
Refrigerant Pressure Sensor [Full Auto Air Conditioner]
Purpose
The refrigerant pressure sensor detects the refrigerant pressure in the refrigerant
cycle.
Function
The refrigerant pressure sensor converts the detected refrigerant pressure
to an electric signal and sends it to the PCM.
Construction
The refriger ...
Positive Crankcase Ventilation (PCV) System
Purpose, Outline
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The intake manifold vacuum introduces blow-by gas to the intake manifold
via the PCV valve and the ventilation hose.
System Diagram
Structure
The positive crankcase ventilation sys ...
Speaker [With Bose®]
Purpose
Converts the audio signal from the audio unit to sound.
High quality sound is provided for the driver and passengers.
Function
Full-range speakers, which can output wide-range sound from low to high frequency,
have been adopted.
A better sound effect an ...
