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Home >> Mazda >> 2009 >> MX-5 Miata SV >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System LF 2.0L) >> DTC P2112 [LF] >> Notes

DTC P2112 [LF]: Notes

DTC P2112 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2112 Throttle valve actuator control system range/performance problem
DETECTION CONDITION 
  • The PCM monitors the throttle valve actuator control duty ratio when the engine is running, if the duty ratio is more than 95%  , the PCM determines that there is a throttle valve actuator control system range/performance problem.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • PCM malfunction
    • Throttle valve actuator control module malfunction