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DTC P0113: Notes

DTC P0113 (LF, L3) DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0113 IAT sensor circuit high input
DETECTION CONDITION 
  • The PCM monitors the IAT sensor signal. If the PCM detects the IAT sensor voltage above 4.84 V  , the PCM determines that IAT sensor circuit has malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction condition during first drive cycle.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • IAT sensor malfunction
  • Poor connection at MAF/IAT sensor or PCM connector
  • Open circuit in wiring harness between MAF/IAT sensor terminal D and PCM terminal 1AT(1), (3), 1 AH(2)
  • Short to power supply in wiring harness between MAF/IAT sensor terminal D and PCM terminal 1AT(1), (3), 1AH(2)
  • Open circuit in wiring harness between MAF/IAT sensor terminal E and PCM terminal 1AS(1), 1AA(2), 1AV(3)
  • PCM malfunction
G04954281Courtesy of MAZDA MOTORS CORP.
(1) California emission regulation applicable model
(2) Except for California emission regulation applicable model with LF ATX
(3) Except for California emission regulation applicable model with LF MTX, L3
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