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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (On-Board Diagnostic - Engine Control System (VIN L & VIN M) (4 Of 4)) >> DTC P3403:00 [Pcm (SKYACTIV-G (Us))] >> Outline

DTC P3403:00 [Pcm (SKYACTIV-G (Us))]: Outline

WARNING: This page is about a different variant/trim than selected.
DTC P3403:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location OCV for No. 1 cylinder deactivation circuit low input
Detection condition
  • A condition continues for a specified period of time in which the OCV control voltage or current for No. 1 cylinder deactivation relative to the PCM control is less than the specified value.
Fail-safe
  • Inhibits the cylinder deactivation control.
Possible cause
  • OCV for No. 1 cylinder deactivation connector or terminals malfunction
  • PCM connector or terminals malfunction
  • Open circuit in OCV for No. 1 cylinder deactivation control circuit
  • Short to ground in OCV for No. 1 cylinder deactivation control circuit
  • Short circuit in OCV for No. 1 cylinder deactivation control circuits
  • OCV for No. 1 cylinder deactivation malfunction
  • PCM malfunction
G13729637Courtesy of MAZDA MOTORS CORP.
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