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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (3 Of 3) >> DTC P2299-00: Accelerator Pedal - Spring Back Malfunction >> Notes

DTC P2299-00: Accelerator Pedal - Spring Back Malfunction: Notes

DTC P2299:00 (PCM, SKYACTIV-G 2.5T) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2299:00 Accelerator pedal: spring back malfunction
DETECTION CONDITION
  • When under the following conditions it is detected that the brake pedal is depressed during driving for the specified time (1).
  • Racing
    • Engine speed: 875 RPM or more
Diagnostic support note
  • This is a continuous monitor (other).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA is not available.
  • Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Controls the throttle valve so that the engine speed is at specification *. (Brake override system) *: Engine speed is 1, 200 RPM when in N position, and 1, 100 RPM when in D position.
POSSIBLE CAUSE  
NOTE:
  • If the brake override system operates, the PCM detects DTC P2299:00.
  • Driver depresses accelerator and brake pedals simultaneously (during braking operation using left foot)
  • Accelerator pedal is pressed in by object such as floor mat
  • Accelerator pedal sticking
  • APP sensor signal malfunction
  • APP sensor malfunction
  • Related connector or terminals malfunction
    • Related wiring harness malfunction
  • Brake switch signal malfunction
  • Brake switch malfunction
  • Related connector or terminals malfunction
  • Related wiring harness malfunction
    • Brake pedal malfunction (increase in play due to joint pin wear)
  • PCM malfunction
SYSTEM WIRING DIAGRAM
  • Not applicable
(1) Specified time is 0.6-10 s according to braking force calculated in PCM.
CAUTION:
  • Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.