Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Electronic Evaluation Module

Electronic Evaluation Module





The electronic evaluation module of the IBS continuously registers the measured data. The IBS uses these data to calculate the following battery indicators.
^ Voltage
^ Current
^ Temperature
The IBS sends the calculated battery indicators to the DME via the BSD. The IBS calculates changes in battery SoC (state of charge)/SoH (state of health) based on information received from the DME on the SoC (state of charge) of the battery during the period of time between engine OFF and deactivation of the DME relay. After the DME relay has been switched off, the IBS continues to constantly observe the SoC (state of charge) of the battery.