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DTC P0113: Notes

DTC P0113 [L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0113 IAT circuit high input
DETECTION CONDITION 
  • The PCM monitors the IAT sensor signal. If the PCM detected IAT sensor voltage is above 4.9 V  , the PCM determines that the IAT sensor 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 
  • IAT sensor malfunction
  • Open circuit between MAF/IAT sensor terminal D and PCM terminal 1M
  • Short to the power supply between MAF/IAT sensor terminal D and PCM terminal 1M
  • Open circuit between MAF/IAT sensor terminal E and PCM terminal 1 AR
  • Poor connection at the MAF/IAT sensor or the PCM connector.
  • PCM malfunction
G04954365Courtesy of MAZDA MOTORS CORP.