Car engine management system Mazda 3 (BK)
General information about the engine management system
Fig. 2.226. General view of the layout of the components of the Mazda 3 vehicle control system: 1 – Mass air flow/intake air temperature sensor; 2 – throttle position...
Fig. 2.226. General view of the layout of the components of the Mazda 3 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...
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 (CPS)
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...
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 3 (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...
The Mazda 3 (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...
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 3 (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...
The Mazda 3 (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...
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 3 (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...
The Mazda 3 (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...
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...
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...
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;...
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....
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....
Control 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,...
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,...
Components of the vehicle control system (diesel)
Fig. 2.340. Components of the control system of a car with a Z6 engine: 1 – PCM block; 2 – neutral switch; 3 – CPP switch (Models with manual transmission); 4 – power...
Fig. 2.340. Components of the control system of a car with a Z6 engine: 1 – PCM block; 2 – neutral switch; 3 – CPP switch (Models with manual transmission); 4 – power...
Removal and installation the coolant temperature sensor (diesel)
Remove the battery cover. Disconnect the negative cable from the battery. Please follow the following procedure to ensure easy access. Remove the air filter. Move the...
Remove the battery cover. Disconnect the negative cable from the battery. Please follow the following procedure to ensure easy access. Remove the air filter. Move the...
Removal and installation the crankshaft position sensor (diesel)
Caution: When replacing the crankshaft position sensor, make sure that there are no foreign objects on it, such as metal filings. Caution: If sawdust or chips are...
Caution: When replacing the crankshaft position sensor, make sure that there are no foreign objects on it, such as metal filings. Caution: If sawdust or chips are...
Removal and installation the throttle position sensor (diesel)
Remove the battery cover. Disconnect the negative cable from the battery. Please follow the following procedure to ensure easy access. Remove the air filter. Remove the...
Remove the battery cover. Disconnect the negative cable from the battery. Please follow the following procedure to ensure easy access. Remove the air filter. Remove the...
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More sections on repairs of other Mazda models
• Power unit: Control system Mazda6 GG (2002-2008)
• Power unit: Control system Mazda CX-5KE (2012-2017)
• Power unit: Control system Mazda6 GG (2002-2008)
• Power unit: Control system Mazda CX-5KE (2012-2017)
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- User manual
- Vehicle description
- Keys, locks and alarms
- Controls and instruments
- Air conditioning and heater
- Seat adjustment
- Security systems
- Driving and operation
- Faults en route
- Maintenance
- Power unit
- Engine device (gasoline)
- Engine repair (gasoline)
- Diesel engine (Z6)
- Lubrication system
- Cooling system
- Fuel system
- Exhaust system
- Engine electrical equipment
- Engine management system
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Drive mechanism
- Chassis
- Suspension and wheels
- Steering
- Brake system
- Body
- Body elements
- Doors and windows
- Air conditioning and heater
- Electrical equipment
- Equipment and devices
- Power devices
- Lighting system
- Windshield wipers and washers
- Equipment checks