limp_manager.cpp File Reference

Functions
static bool	noFiringUntilVvtSync ()

Function Documentation

noFiringUntilVvtSync()

static bool noFiringUntilVvtSync ( )

static

Definition at line 12 of file limp_manager.cpp.

                                   {
    auto operationMode = getEngineRotationState()->getOperationMode();
 
    if (engineConfiguration->isPhaseSyncRequiredForIgnition) {
        // in rare cases engines do not like random sequential mode
        return true;
    }
    if (isGdiEngine()) {
#if EFI_PROD_CODE
        criticalError("For GDI please configure CAM and require sync for ignition");
#endif
    }
 
    if (engineConfiguration->ignitionMode == IM_ONE_COIL) {
      // distributor routes to the correct cylinder, no need to worry about sync
      return false;
    }
 
    // Symmetrical crank modes require cam sync before firing
    // non-symmetrical cranks can use faster spin-up mode (firing in wasted/batch before VVT sync)
    // Examples include Nissan MR/VQ, Miata NB, etc
    return
        operationMode == FOUR_STROKE_SYMMETRICAL_CRANK_SENSOR ||
        operationMode == FOUR_STROKE_THREE_TIMES_CRANK_SENSOR ||
        operationMode == FOUR_STROKE_TWELVE_TIMES_CRANK_SENSOR;
}

Referenced by LimpManager::updateState().

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