| 摘要 |
PURPOSE:To aim at an improvement in the property of acceleration, by limiting the ignition timing so as not to lag more than the specified one. CONSTITUTION:A suction air quantity (DELTAQ/N) per unit revolution is compared with the specified value with a step 307. If it is above the specified one, setting the value down to a state of acceleration, the step 307 moves forward to a step 312 after a plug is set by a step 308. At the step 312, in order to prevent an excessive lag timing, a fixed value theta (for example, ignition timing at the time of idling) is set down to the output ignition timing. With this, the excessive lag timing due to a large variation in the suction air quantity in time of acceleration is made to be nothing so that deterioration in the property of acceleration can be prevented. |
