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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine >> Engine Control System Operation Inspection >> Brake override system operation inspection
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Brake override system operation inspection

NOTE:
  • If the brake override system operates normally after performing the following inspection, the PCM detects DTC P2299:00.
  1. Start the engine and let it idle.
  2. Verify that the engine speed becomes less than 1, 200 RPM under the following conditions.
    • Neutral (MTX)
    • N position (ATX)
    • Engine speed of 3, 000 RPM or more with accelerator pedal depressed
    • Brake pedal depressed
      • If the engine speed becomes approx. 1, 200 RPM, clear the PCM DTC using the M-MDS. (Brake override system operation is normal.)
      • If the engine speed does not become approx. 1, 200 RPM, inspect for the following parts, then repair or replace the malfunctioning part: