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Home >> Mazda >> 2015 >> 3 SV, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic - Engine Controls (5 Of 6) >> DTC P1380 00: Electric Variable Valve Timing Control Circuit Problem >> Notes
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DTC P1380 00: Electric Variable Valve Timing Control Circuit Problem: Notes

DTC P1380 00 DETECTION CONDITIONS AND POSSIBLE CAUSES (SKYACTIV-G 2.0, SKYACTIV-G 2.5)

DTC P1380:00  Electric variable valve timing control circuit problem 
DETECTION CONDITION 
  • A malfunction is detected in the results of the on-board diagnostic test received from the electric variable valve timing driver.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA (Mode 2) is not available.
  • Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION 
  • Stops activation of the electric variable valve timing driver.
POSSIBLE CAUSE 
  • Electric variable valve timing motor/driver connectors or terminals malfunction
  • Short to ground in wiring harness between electric variable valve timing motor/driver terminal 1A and PCM terminal 1AE
  • PCM connector or terminals malfunction
  • Short to power supply in wiring harness between electric variable valve timing motor/driver terminal 1A and PCM terminal 1AE
  • Open circuit in wiring harness between electric variable valve timing motor/driver terminal 1A and PCM terminal 1AE
  • Electric variable valve timing driver malfunction
  • Electric variable valve timing motor malfunction
  • PCM malfunction
G09794721Courtesy of MAZDA MOTORS CORP.
CAUTION:
  • Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.
RELATED PIDS

Item (definition) Unit/Condition Definition Condition/Specification (Reference)
VT IN_ACT ° Actual intake valve timing
  • Displays actual intake valve timing
VT IN_DES ° Desired intake valve timing
  • Displays desired intake valve timing