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Home >> Mazda >> 2007 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3) >> DTC P2127 >> Notes
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DTC P2127: Notes

DTC P2127 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2127 APP sensor No. 2 circuit low input
DETECTION CONDITION 
  • The PCM monitors the input voltage from APP sensor No. 2 when the engine is running. If the input voltage is 5.28 V  for 1s  , the PCM determines that the APP sensor No. 2 circuit has malfunction.
  • Diagnostic support note 

  • This is a continuous monitor (CCM).
  • MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • APP sensor No. 2 malfunction
  • Connector or terminal malfunction
  • Short to body ground in wiring harness between APP sensor terminal E and PCM terminal 1AL
  • PCM malfunction
G04315743