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Home >> Mazda >> 2024 >> CX-30 Preferred >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (On-Board Diagnostic - Engine Control (VIN Y) (1 Of 6)) >> DTC P0011-00: Electric Variable Valve Timing Control System: Over-Advanced >> Details On DTCs

Details On DTCs

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P0011:00 (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Electric variable valve timing control system: Over-advanced
Detection condition Determination conditions
  • For the advance amount from the maximum intake valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time.
Preconditions
  • Battery voltage: 11 V or more *1
  • Engine speed: 5, 000 rpm or less *1
  • Engine oil temperature: 20°C {68°F} or more *1
  • The following DTCs are not detected:
    • P0010:00, P0335:00 or P0340:00
*1 : Standard can be verified by displaying PIDs using M-MDS
Malfunction determination period
  • Approx. 10 s
Drive cycle
  • 1
Self test type
  • CMDTC self test
Sensor used
  • CKP sensor
  • Intake CMP sensor
Fail-safe
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • Malfunction in wiring harness (including connector/terminal) between battery and electric variable valve timing relay
  • Malfunction in wiring harness (including connector/terminal) between electric variable valve timing relay and electric variable valve timing motor/driver
  • PCM connector or terminal malfunction
  • Electric variable valve timing relay malfunction
  • Electric variable valve timing motor malfunction
  • Electric variable valve timing actuator malfunction
    • Electric variable valve timing actuator is stuck in advanced position
    • Electric variable valve timing actuator is stuck in retarded position
  • Timing chain malfunction
    • Poor assembly
    • Looseness or jumping
  • Mis-detection of intake CMP sensor
  • Mis-detection of CKP sensor
  • PCM malfunction