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.
2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE
DTC Index
- 360 Degrees View Monitor DTCS
- Adaptive Front Lighting System DTCS
- Air Bag System DTCS
- Auto Leveling Control Module DTCS
- Automatic Transaxle DTCS
- Body Control Module DTCS
- Body Control Module (BCM)
- CAN Communication
- Global Central Configuration
- Instrument Cluster
- Humidity Sensor/Solar Radiation Sensor/Auto Light Sensor/Rain Sensor
- LF Control Unit
- Door-Electrical Supply Unit
- Light Control Module (Front Combination Light)
- Windshield Wiper Motor
- Tire Pressure Monitoring System (TPMS)
- Electrical Supply Unit (ESU)
- Washer Motor
- Active Driving Display
- Steering Angle Sensor
- Dash-Electrical Supply Unit
- Dash-Electrical Supply Unit DTCS
- Dc-Dc Converter (Hybrid) DTCS
- Driver Monitoring Camera Unit DTCS
- Dynamic Stability Control (DSC) DTCS
- Electric Power Steering (EPS) DTCS
- Electronically Controlled Brake Unit DTCS
- Engine Control System DTCS
- Forward Sensing Camera DTCS
- Front Radar Sensor DTCS
- Front Side Radar Sensor DTCS
- HS/Ms Can System DTCS
- Hybrid Battery DTCS
- Integrated Starter Generator (ISG)
- MAZDA Connect DTCS
- Parking Assist Unit (Optical) DTCS
- Parking Assist Unit (Ultrasonic) DTCS
- Rear Side Radar Sensor DTCS
- Telematics Communication Unit DTCS
- Vehicle Control Module DTCS
Factory Service Tools
Use the Manual With the Right Hardware
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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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