Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2023 Mazda CX-50 SFACTORY OEM SERVICE PROCEDURE

Engine Compartment

Fig 1: Control System Components Location - Engine Compartment

Courtesy of MAZDA MOTORS CORP.

CONTROL SYSTEM COMPONENT OPERATIONS

Component No.	Refer to
1	Intake CMP sensor (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .) (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION .)
2	ECT sensor (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION .) (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION .)
3	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 .)
4	PCM (BARO sensor) (See PCM REMOVAL/INSTALLATION .) (See PCM INSPECTION .) (See BAROMETRIC PRESSURE (BARO) SENSOR REMOVAL/INSTALLATION .) (See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION .)
5	TP sensor (See THROTTLE POSITION (TP) SENSOR REMOVAL/INSTALLATION .) (See THROTTLE POSITION (TP) SENSOR INSPECTION .)
6	Engine oil level sensor (See ENGINE OIL LEVEL SENSOR REMOVAL/INSTALLATION .) (See ENGINE OIL LEVEL SENSOR INSPECTION .)
7	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 .)
8	KS (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .) (See KNOCK SENSOR (KS) INSPECTION .)
9	Fuel pressure sensor (See FUEL PRESSURE SENSOR REMOVAL/INSTALLATION .) (See FUEL PRESSURE SENSOR INSPECTION .)

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.