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Except Engine Compartment

Fig 1: Engine Control System Components Location - Except Engine Compartment
G12241438Courtesy of MAZDA MOTORS CORP.
ENGINE CONTROL SYSTEM COMPONENT OPERATIONS (EXCEPT ENGINE COMPARTMENT)

Component No. Refer to
1 Fuel Tank Pressure Sensor
See FUEL TANK PRESSURE SENSOR REMOVAL/INSTALLATION 
See FUEL PRESSURE SENSOR INSPECTION 
2 APP Sensor
See ACCELERATOR PEDAL POSITION (APP) SENSOR REMOVAL/INSTALLATION 
See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION 
3 A/F Sensor
See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION 
See AIR FUEL RATIO (A/F) SENSOR INSPECTION 
4 Exhaust CMP Sensor
See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION 
See CAMSHAFT POSITION (CMP) SENSOR INSPECTION 
5 ECT Sensor No. 2
See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION 
See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION 
6 Engine Oil Temperature Sensor/Engine Oil Pressure Sensor
See ENGINE OIL TEMPERATURE SENSOR/ENGINE OIL PRESSURE SENSOR REMOVAL/INSTALLATION 
See ENGINE OIL PRESSURE SENSOR INSPECTION 
See ENGINE OIL TEMPERATURE SENSOR INSPECTION 
7 ECT Sensor No. 1
See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION 
See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION 
8 CKP Sensor
See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION 
See CRANKSHAFT POSITION (CKP) SENSOR INSPECTION 
9 Engine Oil Level Sensor
See ENGINE OIL LEVEL SENSOR REMOVAL/INSTALLATION 
See ENGINE OIL LEVEL SENSOR INSPECTION 
10 HO2S
See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION 
See HEATED OXYGEN SENSOR (HO2S) INSPECTION 
11 Exhaust Shutter Valve Position Sensor
See EXHAUST SHUTTER VALVE POSITION SENSOR REMOVAL/INSTALLATION 
See EXHAUST SHUTTER VALVE POSITION SENSOR INSPECTION