8 Settings via the MICT
Rev. 03/2019 95
Secondary Diagnostics Enabled
The secondary diagnosis can be deactivated and activated for ignition coils that support this
function. If the ignition coil does not support this function, the secondary voltage estimation
calibration and the of the secondary short calibration are not available.
Secondary Voltage Estimation Calibration
A correction value without units can be set for the secondary voltage estimation for every
configured output to increase the accuracy of the secondary voltage estimation for each
individual cylinder. This allows, for instance, different cable lengths on the engine to be
compensated.
The values of the secondary voltage estimation can be changed for each individual cylinder. The
value range depends on the ignition coil. 0.0 is set as the standard value for all cylinders. You
can adjust the secondary voltage estimation while the engine is running in the runtime
adjustments (refer to Runtime Adjustments – Secondary Voltage Estimation Calibration on
page 147).
Secondary Short Detection Calibration
The starting voltage and the secondary short detection sensitivity can be adjusted. You can
adjust the secondary short detection in the runtime adjustments while the engine is running
(refer to Runtime Adjustments – Secondary Short Calibration on page 148).
Secondary Short Enable Voltage
Set the average ignition voltage required to activate the secondary short-circuit monitoring:
– The secondary short detection is always activated at a value of 0 kV.
– The secondary short detection is always deactivated at a value of 65.535 kV.
Secondary Short Sensitivity
The permitted value range depends on the set ignition coil.
Set the sensitivity of the short-circuit detection e.g. as follows:
– The sensitivity is high at a value of 0.98.
– The sensitivity is low at a value of 1.02.
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