LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2006 >> 6 s, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System AJ] >> DTC P2109 >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P2109: Notes

DTC P2109 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2109 TP sensor minimum stop range/performance problem
DETECTION CONDITION 
  • The PCM monitors the minimum TP when the closed TP learning is completed. If the TP is less than 2.34%  or more than 18.9%  , the PCM determines that there is a TP sensor minimum stop range/performance problem.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates 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 
  • Throttle actuator malfunction
  • Throttle valve malfunction
  • PCM malfunction