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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (1 Of 3) >> DTC P0097-00: IAT Sensor No. 2 Circuit Low Input >> Notes
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DTC P0097-00: IAT Sensor No. 2 Circuit Low Input: Notes

DTC P0097:00 (PCM, SKYACTIV-G 2.5T) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0097:00 IAT sensor No. 2 circuit low input
DETECTION CONDITION
  • If the PCM detects that the IAT sensor No. 2 voltage at the PCM terminal 1BN is 0.13 V or less for 5 s, the PCM determines that the IAT sensor No. 2 circuit voltage is low.

    Diagnostic support note

  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION Not applicable
POSSIBLE CAUSE
  • MAP sensor/IAT sensor No. 2 connector or terminals malfunction
  • IAT sensor No. 2 malfunction
  • Short to ground in wiring harness between MAP sensor/IAT sensor No. 2 terminal B and PCM terminal 1BN
  • PCM connector or terminals malfunction
  • IAT sensor No. 2 signal circuit and ground circuit are shorted to each other
  • PCM malfunction
G13444198Courtesy of MAZDA MOTORS CORP.