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 MANUALSMAZDA2013MX-5 MIATA GRAND TOURING, AUTOMATIC TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISSYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM LF 2.0L]ENGINE CONTROL SYSTEM OPERATION INSPECTION [LF]BRAKE OVERRIDE SYSTEM OPERATION INSPECTION

2013 Mazda MX-5 Miata Grand Touring, Automatic Trans

Brake Override System Operation Inspection

2013 Mazda MX-5 Miata Grand Touring, Automatic TransSECTION Brake Override System Operation Inspection

NOTE:

If the brake override system operates normally after performing the following inspection, the PCM detects DTC P2299.

Start the engine and idle it.
Verify that the engine speed is below 1, 100 rpm while the all of the following conditions are met.
- Neutral (MT)
- P, or N position (AT)
- Engine speed is above 1, 150 rpm while not idling.
- Brake pedal is depressed.
  - If the engine speed is below 1, 100 rpm, clear the PCM DTC using the M-MDS. (System operation is normal).
  - If the engine speed is not below 1, 100 rpm, inspect the following:
- APP sensor
  (See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [LF] ).
- Neutral switch (MT)
  (See NEUTRAL SWITCH INSPECTION [LF] ).
- Clutch switch (MT)
  (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION [LF] ).
- TR switch (AT)
  (See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL] ).
- Brake switch No. 1
  (See BRAKE SWITCH INSPECTION ).
- Brake switch No. 2
  (See BRAKE SWITCH INSPECTION ).
- Communication between PCM and TCM (AT)
  (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM] ).

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:

• 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.