Engine Electronics (ME-SFI) Fuel Injection and Ignition System Function Diagram

Engine Electronics (ME-SFI) Fuel Injection And Ignition System Function Diagram

Engine 104.994/995, Model 140, 210 (USA)




12a Top part of intake manifold
12b Bottom part of intake manifold
22 Resonance flap
40 Diaphragm pressure regulator
55 Fuel filter
74 Fuel cooler
75 Fuel tank
77 Activated charcoal filter
126 Secondary air injection shutoff valve (combination valve: check valve integrated)
128 Check valve (vacuum)
158 Catalytic converter
A1 Instrument cluster
A1e26 CHECK ENGINE indicator lamp
A16/1 Left knock sensor 1
A16/2 Right knock sensor 2
B2/5 Hot film mass air flow sensor (intake air temperature sensor integrated)
B4/3 Fuel tank pressure sensor
B6/1 Camshaft Hall sensor
B11/4 Coolant temperature sensor
B28 Pressure sensor
B37 Pedal value sensor
G3/1 O2 sensor downstream of TWC
G3/2 O2 sensor upstream of TWC
K17 Secondary air injection relay, model 129
K27 Fuel pump relay, model 140, model 210 as of 3/97
K40k1 Fuel pump relay (model 210 up to 2/97 integrated in relay module)
K40k6 Secondary air injection relay, model 210 (integrated in relay module)
L5 Crankshaft position sensor
L6/1 Front left rpm sensor
L6/3 Rear left rpm sensor
M3 Fuel pump
M16/6 Throttle valve actuator
M33 Electric air pump
N3/10 ME-SFI control module
N15/3 ETC (electronic transmission control) control module
N19 Air conditioning pushbutton control module
N22 Automatic air conditioning (automatic A/C) pushbutton control module
N47-1 ASR/SPS control module
N47-2 ETS/SPS control module
N47-5 ESP/SPS control module
N54/1 Infrared drive authorization system control module
S16/10 Gear recognition switch
S40 Cruise control switch
S43 Oil level indicator switch
T1/1 Twin spark ignition coil 1, cylinders 2 and 5
T1/2 Twin spark ignition coil 2, cylinders 3 and 4
T1/3 Twin spark ignition coil 3, cylinders 1 and 6
X11/4 Data link connector, 38-pin
X11/22 Data link connector II
Y22/6 Resonance intake manifold switchover valve
Y32 Air pump switchover valve
Y49 Adjustable camshaft timing solenoid
Y58/1 Purge control valve
Y58/4 Activated charcoal canister shut-off valve
Y62 Fuel injectors
CAN Data bus (Controller Area Network)

Note: Model 210 as of 3/97 with fuse and relay module K40/4, relay module K40 discontinued, fuel pump relay K27 below rear seat