LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2009 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3] >> DTC P0638 [L3] >> Notes

DTC P0638 [L3]: Notes

DTC P0638 (L3) DETECTION CONDITION & POSSIBLE CAUSES

DTC P0638 Throttle actuator control circuit range/performance problem
DETECTION CONDITION 
  • The PCM compares the actual TP with the target TP when the engine is running. If the difference is more than the specification, the PCM determines that there is a throttle actuator control circuit range/performance problem.

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.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Throttle actuator malfunction
  • Throttle valve malfunction
  • PCM malfunction
scientia non olet · About LEMON Manuals