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:
Engine Coolant Temperature (ECT) Sensor Inspection
Resistance Inspection
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the ECT sensor No.1..
2. Place the ECT sensor No.1 in water with a thermometer, and heat the water
...
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 ...
Bumper Bracket Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Rough cut area locations indicated by (A).
2. Grind the 6 locations indicated by (B) shown in the figure.
CAUTION:
When grinding 6 locations indicated by (B) shown in the figure and the front
side frame is damaged, there is a possibility that ...
