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MaxxECU Documentation

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Knock retard

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Enable

Enable or disable the knock retard function.

 

Max accumulated retard

The maximum retard the system can ever make.

 

Retard step size

Number of degree to retard when each knock is detected (by using the sensitivity table).

 

 

Retard range table

Maximum ignition retard table.

Note: The Max Accumulated retard value is the ultimate ignition advance the system ever can make, regardless of the retard range table value.

 

Advance rate table

The rate of advance to be achieved when no knock is detected - To get back to main ignition advance within time.

 

Sensitivity table

The knocklevel considered to be a real engine detonation (knock) - Wrong settings here, you WILL blow up stuff.

 

 

Usefull RealTime Data values

 

Knock retard accumulated

Accumulated retard value.

 

Knock retard used

Actual ignition retard being used right now.

 

Knocklevel CH 1/2 peak

The peak value of the knock(s) detected (highest value of the last 200ms of time) <-- For the tuner to easy up the task of finding knock(s).

 

Knocklevel CH 1/2

Average knock level value (updates every combustion) <-- Used by the MaxxECU to determine engine knock.

 

 

 

see, Advanced built-in knock control