Mazda CX-5 Service & Repair Manual: Electronic Control System Outline [Fw6 A EL, Fw6 Ax EL]
Outline
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In the electronic control system, the TCM calculates the control content based on signals from each type of sensor and switch to operate output parts such as each solenoid. In consideration of suppressed shift shock, smooth driving, and improved fuel economy, the TCM performs controls so as to maintain the optimum driving performance in response to the vehicles driving scenario.
Construction
Block diagram
Electric Variable Valve Timing Control
Outline
The PCM determines the optimum intake valve timing according to the engine
operation conditions, and sends the motor drive signals to the electric variable
valve timing driver. Wi ...
Engine Control System
Outline
L-jetronic*1 and D-jetronic*2 type detectors have been combined for intake
air amount detection, improving the accuracy of the intake air amount measurement.
MAF sensor ...
Other materials:
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Power Window Subswitch
Purpose
Each door glass except for the driver-side can be opened/closed with occupant
seated in the cabin using the power window subswitch.
Function
Manual switch
The power window subswitch switches the contact point according to the switch
operation and switches the circu ...
Awd Warning Light
Purpose, Function
Warns the driver of a AWD system malfunction.
Construction
The AWD warning light is built into the instrument cluster.
Operation
If the self-diagnostic function stores a DTC, the warning light illuminates
to alert the driver of the malfunct ...
