Engine Electronics (ME-SFI) Fuel Injection and Ignition System Function Diagram
Engine Electronics (ME-SFI) Fuel Injection And Ignition System Function Diagram
Engine 137.970 (USA)
21 Exhaust flap for cylinder shutoff
22 Vacuum reservoir
45 Filler neck with connection for collecting fuel vapors when refuelling (ORVR)
55/1 Fuel filter with integrated fuel pressure regulator
75 Fuel tank
77 Activated charcoal canister
82 Pressure relief valve (ORVR)
126/1 Left secondary air injection shutoff valve (combination valve, non-return valve integrated)
126/2 Right secondary air injection shutoff valve (combination valve, non-return valve integrated)
128 Non-return valve (vacuum)
157 Firewall three-way catalytic converter
158 Three-way catalytic converter
A1 Instrument cluster
A1e4 Fuel reserve indicator lamp
A1e26 "CHECK ENGINE" MIL
B2/5 Hot film MAF sensor (intake air temperature sensor (B2/5b1) integrated)
B4/3 Fuel tank pressure sensor
B6/2 Camshaft Hall sensor, left bank of cylinders
B6/3 Camshaft Hall sensor, right bank of cylinders
B11/4 Coolant temperature sensor
B28 Pressure sensor
B37 Pedal value sensor
B40 Oil sensor (oil level, temperature and quality)
B40/2 Cylinder shutoff oil pressure sensor
G3/7 Left O2 sensor upstream TWC for cylinders 7-9
G3/8 Left O2 sensor upstream TWC for cylinders 10-12
G3/9 Right O2 sensor upstream TWC for cylinders 1-3
G3/10 Right O2 sensor upstream TWC for cylinders 4-6
G3/11 Left O2 sensor downstream TWC for cylinders 7-9
G3/12 Left O2 sensor downstream TWC for cylinders 10-12
G3/13 Right O2 sensor downstream TWC for cylinders 1-3
G3/14 Right O2 sensor downstream TWC for cylinders 4-6
K40/5kT Fuel pump relay
K40/7kL Starter relay
K40/7kN Secondary air pump relay
L5 Crankshaft position sensor
L6/1 Left front wheel speed sensor
L6/3 Left rear wheel speed sensor
M1 Starter
M3 Fuel pump
M4/7 Engine and AC electric suction fan with integrated control
M16/6 Throttle valve actuator
M33 Electric air pump
N2/7 Restraint sytems control module
N3/10 ME-SFI control module
N15/3 ETC control module
N15/5 Electronic selector lever module control module
N22 AAC pushbutton control module
N47-5 ESP, SPS and BAS control module
N73 EIS control module
N80 Steering column module
N91 ECI ignition system mains unit
N92/1 ECI ignition module, right bank of cylinders
N92/2 ECI ignition module, left bank of cylinders
S9/1 Stop lamp switch
S16/6 Kickdown switch
S40/4 Switch for cruise control with variable speed limiter
X11/4 Data link connector
Y32/1 Left AIR pump switchover valve
Y32/2 Right AIR pump switchover valve
Y49/1 Camshaft adjustment valve, left bank of cylinders
Y49/2 Camshaft adjustment valve, right bank of cylinders
Y58/1 Purge control valve
Y58/4 Activated charcoal canister shutoff valve
Y62 Fuel injectors
Y80/1 Cylinder shutoff valve for cylinders 7-9
Y81/1 Cylinder shutoff valve for cylinders 10-12
Y93 Exhaust flap valve
a to ME-SFI control module
CAN Data bus (Controller area network)