Car engine management system Mazda 6 (GG)

Engine Management System Components
Fig. 2.226. General view of the layout of the components of the Mazda 6 vehicle control system: 1 – Mass air flow/intake air temperature sensor; 2 – throttle position...

Camshaft Position Sensor (CMP)
Fig. 2.228. Waveform of the camshaft position sensor output signal: 1 – camshaft position sensor; 2 – intake camshaft; 3 – camshaft rotation angle 30°; 4 – crankshaft...

Camshaft Position Sensor (CKP)
To determine the position of the crankshaft, the crankshaft position sensor detects pulse signals from the timing wheel. Fig. 2.229. Crankshaft position sensor output...

Idle Air Control (IAC)
The Mazda S (GG) idle air control valve is essentially carried over from the current FS engined MPV (LW) model except for the following: using MAP coefficient in...

Variable Air Delivery (VAD) Control
The VAD control system opens the VAD flap in the air cleaner only at high engine speeds so that engine power is not reduced at high engine speeds due to insufficient air...

Variable Ignition System (VIS)
The Mazda 6 (GG) VIS system is essentially carried over from the current FS-engined MPV (LW) model, except for the following: the PCM turns the power supply to the VIS...

Variable Volume Control System (VTCS)
The VTCS system operates a valve in the intake manifold to increase the airflow velocity at the intake and create swirls in the combustion chamber to improve atomization...

Control of the variable valve timing mechanism
The Mazda 6 (GG) variable valve timing control is essentially taken from the current MX-5 (NB) model, with the exception of the scrub mode and maximum retard mode to...

Fuel injection control
Main characteristics There are two modes of operation of the fuel injection system: "synchronous injection" and "asynchronous injection". Regulation using feedback from...

Air conditioning system shutdown control
Main characteristics The air conditioning shut-off control on the Mazda 6 (GG) is essentially carried over from the current FS engine MPV (LW) model, except for the...

Electric Fan Control
The PCM turns on the cooling fan relays, #1 and #2 (with air conditioning system), except for the following conditions: coolant temperature - below 100°C; the air...

Controller Area Network (CAN)
The PCM unit transmits/receives information from CAN. The Controller Area Network (CAN) transmits the following information: torque reduction inhibition; engine speed;...

On-board diagnostics system
The design and operation of the on-board diagnostic system is essentially the same as that of the current MPV (LW) with GY/FS engine, except for the conditions below....

Emissions Related Diagnostic Codes
Emission-related diagnostic codes are listed in Table 2.30. The periodic results of the monitoring system diagnostics are presented in Table 2.31. Table 2.30....

Engine Management System Fault Codes
Submitting the test results of the continuous monitoring system (unfinished code) (mode 07) 1 type of driving cycle If faults are detected in the first drive cycle,...

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More sections on repairs of other Mazda models
• Power unit: Engine management system Mazda3 BK (2003-2009)
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Mazda6 GG (2002-2008)