Start recognition function - GF07.13-P-3014F

ENGINE 119.980 in MODEL 140.050 /051 /070 ME-SFI fuel injection and ignition system start recognition from engine speed signal

ENGINE 119.981 in MODEL 140.042 /043 /063 ME-SFI fuel injection and ignition system start recognition from engine speed signal

ENGINE 119.982 in MODEL 129.067 ME-SFI fuel injection and ignition system start recognition from engine speed signal

ENGINE 119.985 in MODEL 210.072 /272 ME-SFI fuel injection and ignition system start recognition from engine speed signal

ENGINE 120.982 in MODEL 140.056 /057 /076 ME-SFI fuel injection and ignition system start recognition from engine speed signal

ENGINE 120.983 in MODEL 129.076 ME-SFI fuel injection and ignition system start recognition from engine speed signal

Shown on engine 119

Fig 1: Identifying Crankshaft Position Sensor, ME-SFI Control Module And Base Module

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Task

Informing the engine control module that the start operation has commenced, in order, for example, to activate start quantity control, start control and post-start enrichment, or to influence the ignition system.

Design/function

The engine control module detects engine start from the first speed signals supplied by the crankshaft position sensor.