E 420 (210.072) V8-4.2L (119.985) (1997)
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Trip Computer: Description and Operation
Fuel Consumption Function
Task
Advising current fuel consumption to trip computer by means of groups of square-wave pulses.
Design/function
The fuel consumption signal (e.g. 8 ltr./hour) is computed from the fuel injection times. One square wave pulse means 0.2 ltr./hour
NOTE: With CAN-compatible instrument cluster, information is transferred from engine control module through CAN to instrument cluster.
