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Home >> Mazda >> 2024 >> CX-30 Preferred >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (On-Board Diagnostic - Engine Control (VIN Y) (3 Of 6)) >> DTC P026A-00: Water-Cooled Charge Air Cooler Range/Performance Problem >> Details On DTCs

Details On DTCs

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P026A-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Water-cooled charge air cooler range/performance problem
Detection condition Determination conditions
  • Any one of the following conditions is met:
    • The temperature detected by IAT sensor No. 2 is the specified value or more.
    • The temperature detected by ECT sensor No. 2 is the specified value or more.
Preconditions
  • Engine speed: 500 rpm or more *1
  • Battery voltage: above 8 V *1
*1 : Standard can be verified by displaying PIDs using M-MDS
Drive cycle
  • 1
Self test type
  • CMDTC self test
Sensor used
  • IAT sensor No. 2
  • Boost air temperature sensor
  • ECT sensor No. 2
Fail-safe
  • Inhibits the boost control.
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • IAT sensor No. 2 malfunction
  • ECT sensor No. 2 malfunction
  • Water-cooled charge air cooler malfunction
    • Crushed fin or foreign matter penetration
  • Electric water pump malfunction (Poor pumping of water-cooled charge air cooler coolant)
  • PCM malfunction