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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Accessory Signal: Description and Operation

The Consumption Signal is connected to pin 51 of the Motronic control module, the signal is directional OUT only (PIN 51 - OUTPUT ONLY).

The consumption signal is used for instantaneous fuel consumption data. It is calculated directly from the injection time and discharging rate of the fuel tank ventilation system.

The on-board computer uses the consumption signal for display of current and average fuel consumption values.