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DTC P2122: Notes

DTC P2122[L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P2122 Accelerator pedal position (APP) sensor NO. 1 circuit low input
DETECTION CONDITION 
  • The PCM monitors the APS NO. 1 signal. If the PCM detects that the APP sensor NO. 1 voltage is below 0.2  V, the PCM determines that the APP sensor NO. 1 circuit has a malfunction.

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.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • APP sensor malfunction
  • Connector or terminal malfunction
  • Open circuit between APP sensor terminal F and PCM terminal 1Y
  • Short to ground circuit between APP sensor terminal F and PCM terminal 1Y
  • Open circuit between APP sensor terminal D and PCM terminal 1Q
  • Short to ground between APP sensor terminal D and PCM terminal 1Q
G04859411Courtesy of MAZDA MOTORS CORP.
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