Engine Compartment

Fig 1: Engine Control System Components Location - Engine Compartment

Courtesy of MAZDA MOTORS CORP.

ENGINE CONTROL SYSTEM COMPONENT OPERATIONS (ENGINE COMPARTMENT)

Component No.	Refer to
1	PCM (BARO sensor, PCM temperature sensor) See PCM REMOVAL/INSTALLATION See PCM INSPECTION See PCM CONFIGURATION (USING READ/WRITE FUNCTION) See PCM CONFIGURATION (USING AS-BUILT DATA) See BAROMETRIC PRESSURE (BARO) SENSOR REMOVAL/INSTALLATION See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION
2	High fuel pressure sensor See HIGH FUEL PRESSURE SENSOR REMOVAL/INSTALLATION See HIGH FUEL PRESSURE SENSOR INSPECTION
3	Exhaust gas pressure sensor See EXHAUST GAS PRESSURE SENSOR REMOVAL/INSTALLATION See EXHAUST GAS PRESSURE SENSOR INSPECTION
4	Ion sensor See ION SENSOR REMOVAL/INSTALLATION See ION SENSOR INSPECTION
5	Low fuel pressure sensor/Fuel temperature sensor See LOW FUEL PRESSURE SENSOR/FUEL TEMPERATURE SENSOR REMOVAL/INSTALLATION See LOW FUEL PRESSURE SENSOR INSPECTION See FUEL TEMPERATURE SENSOR INSPECTION
6	Intake CMP sensor See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION See CAMSHAFT POSITION (CMP) SENSOR INSPECTION
7	Exhaust CMP sensor See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION See CAMSHAFT POSITION (CMP) SENSOR INSPECTION
8	ECT sensor No. 1 See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION
9	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
10	KS See KNOCK SENSOR (KS) REMOVAL/INSTALLATION See KNOCK SENSOR (KS) INSPECTION
11	TP sensor See THROTTLE POSITION (TP) SENSOR REMOVAL/INSTALLATION See THROTTLE POSITION (TP) SENSOR INSPECTION
12	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
13	Boost pressure sensor/Boost air temperature sensor See BOOST PRESSURE SENSOR/BOOST AIR TEMPERATURE SENSOR REMOVAL/INSTALLATION See BOOST PRESSURE SENSOR INSPECTION See BOOST AIR TEMPERATURE SENSOR INSPECTION