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.

2016 Mazda 5 GS, Automatic TransFACTORY OEM SERVICE PROCEDURE

Control System Location Index

Courtesy of MAZDA MOTORS CORP.

PART DESCRIPTION

1	CPP switch (MTX) (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION .) (See CLUTCH PEDAL POSITION SWITCH REMOVAL/INSTALLATION [G66M-R] .)
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	HO2S (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .) (See HEATED OXYGEN SENSOR (HO2S) INSPECTION .)
5	Fuel tank pressure sensor (See FUEL TANK PRESSURE SENSOR REMOVAL/INSTALLATION .) (See FUEL TANK PRESSURE SENSOR INSPECTION .)
6	MAP sensor (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REMOVAL/INSTALLATION .) (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION .)
7	CKP sensor (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .) (See CRANKSHAFT POSITION (CKP) SENSOR INSPECTION .)
8	KS (See KNOCK SENSOR (KS) REMOVAL/INSTALLATION .) (See KNOCK SENSOR (KS) INSPECTION .)
9	TP sensor (See THROTTLE POSITION (TP) SENSOR REMOVAL/INSTALLATION .) (See THROTTLE POSITION (TP) SENSOR INSPECTION .)
10	CMP sensor (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .) (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION .)
11	Variable tumble shutter valve position sensor (See VARIABLE TUMBLE SHUTTER VALVE POSITION SENSOR REMOVAL/INSTALLATION .) (See VARIABLE TUMBLE SHUTTER VALVE POSITION SENSOR INSPECTION .)
12	MAF/IAT sensor (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION .) (See MASS AIR FLOW (MAF) SENSOR INSPECTION .) (See INTAKE AIR TEMPERATURE (IAT) SENSOR INSPECTION .)
13	PCM (BARO sensor) (See PCM REMOVAL/INSTALLATION .) (See PCM INSPECTION .) (See PCM CONFIGURATION .) (See BAROMETRIC PRESSURE (BARO) SENSOR REMOVAL/INSTALLATION .) (See BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION .)
14	ECT sensor (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION .) (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION .)
15	Neutral switch (MTX) (See NEUTRAL SWITCH INSPECTION .) (See NEUTRAL SWITCH REMOVAL/INSTALLATION [G66M-R] .)

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.

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