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.

2006 Mazda MX-5 Miata BaseFACTORY OEM SERVICE PROCEDURE

Combined Sensor Inspection

Turn the ignition switch off.
Connect the WDS or equivalent to the DLC-2.
Select the following PIDs, then inspect the lateral acceleration speed and the yaw rate.
- LAT_ACCL: (lateral acceleration speed)
- YAW_RATE: (yaw rate)
1. Lateral acceleration speed inspection
  
  Fig 1: Locating DLC-2 Connector
  Courtesy of MAZDA MOTORS CORP.
  1. Verify the LAT_ACCL change when the combined sensor is tilted to the left and right.
    - If there is any malfunction, replace the combined sensor.
  Standard
  
  When the sensor is tilted to the right (A):
  
  LAT_ACCL changes negatively.
  
  When the sensor is tilted to the left (B):
  
  LAT_ACCL changes positively.
  
  Fig 2: Identifying LAT ACCL
  Courtesy of MAZDA MOTORS CORP.
2. Yaw rate inspection
  1. Verify the YAW_RATE change when the combined sensor is rotated to the left and right.
    - If there is any malfunction, replace the combined sensor.
  Standard
  
  When the sensor is rotated to the right (A):
  
  YAW_RATE changes negatively.
  
  When the sensor is rotated to the left (B):
  
  YAW RATE changes positively.
  
  Fig 3: Identifying Combined Sensor Position
  Courtesy of MAZDA MOTORS CORP.

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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