Without EGR cooler

Fig 1: Control System Components Location - Engine Compartment (Without EGR Cooler)

Courtesy of MAZDA MOTORS CORP.

CONTROL SYSTEM COMPONENT OPERATIONS

Component No.	Refer to
1	Ion sensor (See ION SENSOR REMOVAL/INSTALLATION [SKYACTIV-G (WITHOUT EGR COOLER)] .) (See ION SENSOR INSPECTION [SKYACTIV-G (WITHOUT EGR COOLER)] .)
2	Intake CMP sensor (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .) (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION .)
3	Coolant control valve position sensor (See COOLANT CONTROL VALVE POSITION SENSOR REMOVAL/INSTALLATION [SKYACTIV-G (WITHOUT EGR COOLER)] .) (See COOLANT CONTROL VALVE POSITION SENSOR INSPECTION [SKYACTIV-G (WITHOUT EGR COOLER)] .)
4	MAF sensor/IAT sensor No. 1 (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 1 REMOVAL/INSTALLATION .) (See MASS AIR FLOW (MAF) SENSOR INSPECTION .) (See INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION .)
5	PCM (BARO sensor) (See PCM REMOVAL/INSTALLATION .) (See PCM INSPECTION .) (See BAROMETRIC PRESSURE (BARO) SENSOR REMOVAL/INSTALLATION .) (See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION .)
6	TP sensor (See THROTTLE POSITION (TP) SENSOR REMOVAL/INSTALLATION .) (See THROTTLE POSITION (TP) SENSOR INSPECTION .)
7	Engine oil level sensor (See ENGINE OIL LEVEL SENSOR REMOVAL/INSTALLATION .) (See ENGINE OIL LEVEL SENSOR INSPECTION .)
8	MAP sensor/IAT sensor No. 2 (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 2 REMOVAL/INSTALLATION .) (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION .) (See INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION .)
9	KS (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .) (See KNOCK SENSOR (KS) INSPECTION .)
10	Fuel pressure sensor (See FUEL PRESSURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-G (WITHOUT EGR COOLER)] .) (See HIGH FUEL PRESSURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-G (WITH EGR COOLER)] .) (See FUEL PRESSURE SENSOR INSPECTION [SKYACTIV-G (WITHOUT EGR COOLER)] .) (See HIGH FUEL PRESSURE SENSOR INSPECTION [SKYACTIV-G (WITH EGR COOLER)] .)