2006 Mazda MX-5 Miata BaseFACTORY OEM SERVICE PROCEDURE

DTC P0507: Notes

DETECTION CONDITION AND POSSIBLE CAUSE (DTC P0507)

DTC P0507 Idle speed control system RPM higher than expected
DETECTION CONDITION 
  • Actual idle speed is higher than expected by 200 rpm  for 14 s,  when the brake pedal is depressed (brake switch is on) and steering wheel is held straight ahead (power steering pressure (PSP) switch is off).
    NOTE:
    • If atmospheric pressure is less than 72.3 kPa {542 mmHg, 21.3 inHg}  or intake air temperature is below -10°C {14°F},  the PCM cancels diagnosis of P0507.
Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction conditions in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Electronic throttle control system malfunction
  • Vacuum hose misconnection
  • PCM malfunction
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.
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