ME engine speed signal function - GF07.61-P-3017F

ENGINE 104.941 /943 /944 /991 /994as of 1.8.96

ENGINE 104.995

with CODE (494a) USA version

with CODE (807) Model year 1997

with CODE (808) Model year 1998

with CODE (498) as of Model year 97 Japanese version

ENGINE 111.921 /942 as of 1.9.98,

111.943,

111.944 as of 1.8.96,

111.946 as of 1.6.98,

111.947/973,

111.975 as of 1.8.96

ENGINE 111.945

in MODEL 208.335/435 as of 1.6.98,

202.020/080 as of 1.9.98

ENGINE 111.974

with CODE (494a) USA version

with CODE (807) Model year 1997

with CODE (808) Model year 1998

ENGINE 112.910 /911 /912 /913 /914 /916 /917 /920 /921 /922 /923 /940 /941 /942 /943 /944 /946 /947 /949 /953 /954 /955 /970 /972 /973 /975

ENGINE 113.940 /941 /942 /943 /948 /960 /961 /963 /965 /966 /967 /968 /969

ENGINE 119.980/981/982/985

ENGINE 120.982/983

ENGINE 137.970

Signal assignment, shown on engine 119

Task

From the signals of the crankshaft position sensor produce the short circuit-proof TNA rpm signal and distribute to further control units.

Fig 1: ME Engine Speed Signal Function - Shown On Engine 119

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Design/function

Square-wave signal with constant on/off ratio, maximum current approx. 20 mA.

Engine 111:

Engine 104, 112, 137:

Engine 119, 113:

Engine 120:

2 pulses/engine revolution

3 pulses/engine revolution

4 pulses/engine revolution

3 pulses/engine revolution (from right ME-SFI control unit)

Engine 111 EVO:

Engine 112, 113 EURO 3/4:

6 pulses/engine revolution

	Motor electronics control unit, location/task/ design/function		GF07.61-P-5000F
	Crankshaft position sensor, location/task/ design/function		GF07.04-P-4116F