KMS MP25(M)/MA25(M) manual Version 4.2
48
3.2.4.4.10 Air pressure sensor
The lowest and highest barometric air pressure are
shown here. Only active when a barometric sensor is
connected or present on the main board.
3.2.4.4.11 Overflow injection time
You get overflow of injection time when one injection
takes more time than the time for two rotations. The
time of these two rotations is the maximum injection
time because the upcoming rotation is for the next injection.
For example a injection time of 23 ms and a engine speed of 6000 rpm. The time of 2 rotations =
1/(rpm/minute)x2 = 1/(6000/60)x2 = 20 ms. The overflow is 23 – 20 = 3 ms.
When choosing injectors it’s important that the flow is high enough so that injection time doesn’t
occur. When there is a correction on water temperature injection time overflow can occur when the
injector flow is to narrow.
3.2.4.4.12 Lambda control
The total time that the maximum % increase or
decrease in fuel has been reached is recorded here as
MaxIncLambda or MaxDecLambda. The values for
maximum % increase in fuel or maximum % decrease in
fuel are set in Lambda Control (see section 3.2.4.1.8
Lambda control).
The time behind MaxIncLambdaError or MaxDecLambdaError is the total time Lambda control was
shut down as a result of maximum time at increase or maximum time at decrease in fuel. The time
lambda measures maximum increase or decrease before shutting down lambda control can be set as
Max time at max increase or Max time at max decrease in Lambda Control (see section 3.2.4.1.8
Lambda control).
3.2.4.4.13 5V sensor supply
The time the 5V sensor supply is less than 4.8V is
recorded here. Also the lowest sensor supply voltage is
shown here.
3.2.4.4.14 ECU
System status indicator (for manufacturer only).
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