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.
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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 553 (ENGINE CONTROL SYSTEM (L3))
2010 Mazda 5 Sport, 2.3 L, Standard
Section 553 (Engine Control System (L3))
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Section 553 (Engine Control System (L3))
WARNING: This page is about a different car, the 2008 Mazda 5. However, it is still accessible from the selected car via links, so may be relevant.
- Control System Location Index [L3]
- Control System Diagram [L3]
- Control System Wiring Diagram [L3]
- Pcm Removal/Installation [L3]
- Pcm Inspection [L3]
- Without Using M-MDS
- Inspection Using An Oscilloscope (Reference)
- Cooling fan control signal
- Purge control signal
- APP sensor signal
- Accelerator pedal is depressed
- OCV signal
- CMP signal
- CKP signal
- Generator field coil control signal
- Generator output voltage signal
- IGT1, IGT2, IGT3, IGT4 signals
- Fuel injection signal
- Front HO2S heater control signal
- Rear HO2S heater control signal
- Using SST (M-MDS)
- Pcm Configuration [L3]
- Neutral Switch Inspection [L3]
- Clutch Pedal Position (CPP) Switch Inspection [L3]
- Variable Tumble Shutter Valve Switch Inspection [L3]
- Engine Coolant Temperature (ECT) Sensor Removal/Installation [L3]
- Engine Coolant Temperature (ECT) Sensor Inspection [L3]
- Mass Air Flow (MAF) Sensor Inspection [L3]
- Intake Air Temperature (IAT) Sensor Inspection [L3]
- Manifold Absolute Pressure (Map) Sensor Removal/Installation [L3]
- Manifold Absolute Pressure (Map) Sensor Inspection [L3]
- Throttle Position (TP) Sensor Inspection [L3]
- Accelerator Pedal Position (App) Sensor Inspection [L3]
- Heated Oxygen Sensor (Ho2S) Removal/Installation [L3]
- Crankshaft Position (CKP) Sensor Removal/Installation [L3]
- Crankshaft Position (CKP) Sensor Inspection [L3]
- Camshaft Position (CMP) Sensor Removal/Installation [L3]
- Camshaft Position (CMP) Sensor Inspection [L3]
- Front Heated Oxygen Sensor (Ho2S) Inspection [L3]
- Rear Heated Oxygen Sensor (Ho2S) Inspection [L3]
- Knock Sensor (KS) Removal/Installation [L3]
- Knock Sensor (KS) Inspection [L3]
- Barometric Pressure (BARO) Sensor Inspection [L3]
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.