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Home >> Mazda >> 2017 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (3 Of 5) >> DTC P2299-00; Accelerator Pedal: Spring Back Malfunction >> Notes

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

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.

Related PIDs

Item (definition) Unit/Condition Definition Condition/Specification (Reference)
APP1 % Accelerator pedal opening angle (absolute value) input from APP sensor No. 1
  • Accelerator pedal released: Approx. 16%
  • Accelerator pedal fully depressed: Approx. 91%
V APP sensor No. 1 voltage
  • Accelerator pedal released: Approx. 0.78 V
  • Accelerator pedal fully depressed: Approx. 4.54 V
APP2 % Accelerator pedal opening angle (absolute value) input from APP sensor No. 2
  • Accelerator pedal released: Approx. 7.84%
  • Accelerator pedal fully depressed: Approx. 45.49%
V APP sensor No. 2 voltage
  • Accelerator pedal released: Approx. 0.39 V
  • Accelerator pedal fully depressed: Approx. 2.27 V
BOO High/Low Brake switch (No. 1 signal) input status
  • Brake pedal released: Low
  • Brake pedal fully depressed: High
BPA High/Low Brake switch (No. 2 signal) input status
  • Brake pedal released: Low
  • Brake pedal fully depressed: High
IVS Off Idle/Idle Idle flag
  • Racing: Off Idle
  • Idle: Idle
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