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DTC P2428-00: Heat Damage Assurance Control Record: Notes

DTC P2428:00 DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2428:00 Heat damage assurance control record
DETECTION CONDITION
  • The exhaust pipe temperature is estimated from the vehicle driving conditions if the estimated exhaust gas temperature is the specified value or more for a certain period of time.
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. (The check engine light may be illuminated depending on the malfunction conditions.)
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Operates the cooling fan (high speed rotation)
  • Fixed charging efficiency
POSSIBLE CAUSE
  • Cooling fan and cooling equipment malfunction
  • High engine speed condition continues
  • Fuel injection control too lean
  • Air suction in intake air system
    • A/F sensor malfunction
  • Fuel injector clogged
  • Ignition timing control improper operation
  • PCM malfunction
SYSTEM WIRING DIAGRAM Not applicable