gf0761p5001f

Voltage supply of ME-SFI control unit function

Type gf · emne 07.61 · version 0119 · 2008-04-07

Gælder for: ENGINE 104.941 /943 /944 /991 /994 as of 1.8.96 ENGINE 104.995 with CODE (494) USA version with CODE (807) Model year 1997 with CODE (808) Model year 1998 with CODE (498) as of Model Year 97 Japan version ENGINE 111.921 /942 as of 1.9.98, 111.946 as of 1.6.98, 111.944 /975 as of 1.8.96, 111.947 /952 /956 /957 /958 /973 /982 /983 ENGINE 111.951 /955 up to Model Year 8 ENGINE 111.945 in MODEL 202.020 /080 as of 1.9.98, 208.335 /435 as of 1.6.98 ENGINE 111.974 with CODE (494) USA version with C

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Placering

Funktionsgruppe 1 Motor › 07 Blandingstilberedning › 07.61 Benzinindsprøjtnings- og tændingssystem ME — Serie 202 (modeller 020, 080) · Serie 208 (modeller 335, 435)

Gælder også for motorer/gearkasser: 104 941, 104 943, 104 944, 104 991, 104 994, 104 995, 111 921, 111 942, 111 944, 111 945, 111 946, 111 947, 111 951, 111 952, 111 955, 111 956, 111 957, 111 958, 111 973, 111 974, 111 975, 111 982, 111 983, 112 910, 112 911, 112 912, 112 913, 112 914, 112 917, 112 920, 112 921, 112 922, 112 923, 112 940, 112 941, 112 942, 112 943, 112 944, 112 946, 112 947, 112 949, 112 954, 112 955, 112 970, 112 972, 112 975, 113 940, 113 941, 113 942, 113 943, 113 948, 113 960, 113 961, 113 963, 113 965, 113 966, 113 967, 113 968, 113 969, 119 980, 119 981, 119 982, 119 985, 120 982, 120 983, 137 970

GF07.61-P-5001F

Voltage supply of ME-SFI control unit function

10.4.99

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

ENGINE 104.995
with CODE (494) USA version
with CODE (807) Model year 1997
with CODE (808) Model year 1998
with CODE (498) as of Model Year 97 Japan version

ENGINE 111.921 /942 as of 1.9.98,
111.946 as of 1.6.98,
111.944 /975 as of 1.8.96,
111.947 /952 /956 /957 /958 /973 /982 /983

ENGINE 111.951 /955 up to Model Year 8

ENGINE 111.945
in MODEL 202.020 /080 as of 1.9.98,
208.335 /435 as of 1.6.98

ENGINE 111.974
with CODE (494) USA version
with CODE (807) Model year 1997
with CODE (808) Model year 1998

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

ENGINE 112.946 up to Model Year 8

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

ENGINE 113.963 up to Model Year 8

ENGINE 119.980 /981 /982 /985

ENGINE 120.982 /983

ENGINE 137.970

Voltage supply of ME-SFI control unit function

P07.61-2444-06

ME-SFI control unit voltage supply

Model Series 129, 140, 170, 202, 208, 210

F1 Fuse and relay module (MODEL 163)

K40 Relay module (model 170, model 210 up to 2/97)

K40/4 Fuse and relay module (model 202, 208, 230
, model 210 as of 3/97)

K40/7 Fuse and relay module (model 215, 220)

N3/10 ME-SFI control unit

N10/1 Front SAM control unit with fuse and relay module,
Model 203, 209

N16/1 Base module, model 129, 140

W Ground (depending on version as well as LHD or RHD several ground lines e.g. for ignition output stages or electronics)

Voltage supply of ME-SFI control unit function

P07.61-0574-01

Model 210 as of 3/97

K40/4 Fuse and relay module

N3/10 ME-SFI control unit

X11/4 Data link connector, 38-pin

Voltage supply of ME-SFI control unit function

P07.61-0568-04

MODEL 163

F1 Fuse and relay module

K3 Fuel pump relay module

K8 Starter relay

K12 Circuit 15 relay

K28 AIR relay module

N3/10 ME-SFI [ME] control unit

Voltage supply of ME-SFI control unit function

P07.61-2043-01

MODEL 215, 220

K40/7kK Motor electronics and chassis relay (plug position K)

K40/7kL Starter relay (plug position L)

K40/7kN Air injection relay (plug position N)

N3/10 ME-SFI control unit

Voltage supply of ME-SFI control unit function

P07.61-2626-01

Model 211

N3/10 ME-SFI [ME] control unit

N10/1IC Cricuit 87 engine relay (driver-side SAM control unit with fuse and relay module)

N10/1kL Starter relay

N10/1kR AIR pump relay

Voltage supply of ME-SFI control unit function

P07.61-2483-01

MODEL 203, 209

N3/10 ME-SFI control unit

N10/1kO Front SAM control unit with fuse and relay module, air injection relay

N10/1kR Front SAM control unit with fuse and relay module,
terminal 87 engine relay

N10/1KS Front SAM control unit with fuse and relay module,
starter relay

Voltage supply of ME-SFI control unit function

P07.61-2526-05

MODEL 203, 209

Arrangements at front SAM control unit with fuse and relay module

48 Circuit 15 fuse, ignition coils

52 Starter fuse

53 Engine 1 circuit 87 fuse

54 Circuit 87 engine 2 fuse

65 AIR pump fuse

O AIR pump relay

R Circuit 87 relay, engine

S Starter relay

Voltage supply of ME-SFI control unit function

P07.61-2880-06

Model 230

F33 Rear prefuse

(Fuses 200 A and 60 A screwed on the reverse side)

N3/10 ME-SFI [ME] control unit

K40/4 Passenger-side fuse and relay module

K40/4f43 Fuse 43
(circuit 87 engine 1, connector sleeve
Z7/35)

K40/4f44 Fuse 44
(circuit 87 engine 2, connector sleeve
Z7/36)

K40/4kK Motor electronics and chassis relay (plug position K)

K40/4kL Starter relay (plug position L)

K40/4kM Circuit 30z relay
(plug position M)

K40/4kO K40/4kN, plug position N

Voltage supply

The ME-SFI control unit is supplied with voltage at circuits 87 and 30 as follows (fused/unfused):

Model 129, 140 by the base module

Model 170, Model 210 up to 2/97 by the relay module

Model 202, 208,

Model 210 as of 3/97 by the fuse and relay module

MODEL 163 by the fuse and relay moduleF1

Model 215, 220 by the right fuse and relay module (K40/7)

Model 203, 209, 211 from SAM control unit with fuse and relay module (N10/1)

Model 230 Right fuse and relay module (K40/4)

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Groundconnections of output stages

Several ground connections of the ignition output stages and the ground of the electronics are attached close to the ME control unit (major assemblies compartment partition, wheelhouse or body).

The ME control unit features a short-circuit protection as well as a reversed polarity protection in the operating voltage range.

In certain cases voltage is supplied through several pins connected in parallel by means of bridges to relief the electrical connectors.

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Function on vehicles with electronic ignition switch control unit

If the signal "Circuit 15 fused On" transmitted by the EIS control unit (N73)

is read in by the ME control unit (N3/10), the ground for the engine main relay is switched through by actuating a transistor. Once the engine main relay has closed the power contact, voltage flows through it from

circuit 30 downstream of the corresponding fuses as circuit 87 M to the ME control unit. Here the engine control is switched on through circuit 87 M. On model 203, 209, 211, 230 the output stage takes over the further actuation of the engine main relay.

If the ME control unit receives the signal "circuit 15 fused off" from the EIS control unit, the delayed-off running of the processor is started. Once the delayed-off running is ended, the engine main relay is switched off and the ME control unit is thus isolated from the electrical system.

Voltage supply refer to Wiring Diagrams, Group 54.

Relay module position/task/design/function

Model 210 up to 2/97

Model 170

GF54.10-P-4033K

Base module location/task/design/function

Model 129, 140

GF54.21-P-4013L

Front SAM control unit with fuse and relay module location/task/design

Model 203

GF54.21-P-4108PP

Model 209

GF54.21-P-4108Q

Driver-side SAM control unit with fuse and relay module, location/task/design

Model 211

GF54.21-P-4109T

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