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:
Barometric Pressure (Baro) Sensor
Purpose/Function
Detects the BARO as basic information for mainly determining the fuel injection
amount.
Detects the BARO and inputs it to the PCM as a BARO signal.
Construction
Built into the PCM.
A piezoelectric element has been adopted for detecting th ...
Air Bag System Service Cautions [Standard Deployment Control System]
Air Bag System Component Disassembly
Disassembling the air bag system components could cause it to not operate
(deploy) normally. Never disassemble any air bag system components.
Air Bag Module, Pre-tensioner Seat Belt Handling
Oil, grease, or water on the air bag modules ...
Brake System/ABS Warning Light
Purpose/Function
The brake system/ABS warning light is built into the instrument cluster.
If a malfunction is detected in the system with the parking brake released,
the warning light illuminates to notify the driver.
Construction/Operation
When the DSC system and CAN l ...
