FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

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




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

Engine 112.944/972/975 (USA)
Engine 113.941/948/960/966 (USA)




Shown on engine 113
22/1 Variable intake manifold switchover diaphragm unit
45 Filler neck with connection for on-board refueling vapor recovery (ORVR)
55/1 Fuel filter with integrated fuel pressure regulator
75 Fuel tank
77 Activated charcoal canister
82 Pressure relief valve (ORVR)
89 Exhaust gas recirculation valve
126 Secondary air injection shutoff valve (Combination valve: Check valve integrated)
128 Check valve (vacuum)
157 Firewall catalytic converter
158 Catalytic converter
a Other consumers
A1 Instrument cluster
A1e26 CHECK ENGINE malfunction indicator lamp
A16g1 Knock sensor 1 (right side of engine)
A16g2 Knock sensor 2 (left side of engine)
B2/5 Hot film mass air flow sensor (intake air temperature sensor integrated)
B6/1 Camshaft Hall sensor
B4/3 [1][2]Fuel tank pressure sensor
B11/4 Coolant temperature sensor
B28 Pressure sensor
B37 Accelerator pedal sensor
B40 Oil sensor (oil level/temperature/quality)
G3/3 Left O2 sensor upstream of TWC
G3/4 Right O2 sensor upstream of TWC
G3/5 Left O2 sensor downstream of TWC
G3/6 Right O2 sensor downstream of TWC
K40/5kT Fuel pump relay
K40/7kL Starter relay
K40/7kN Secondary air injection relay
L5 Crankshaft position sensor
L6/1 Left front wheel speed sensor
L6/3 Left rear wheel speed sensor
M1 Starter, circuit 50
M3 Fuel pump
M16/6 Throttle valve actuator
M33 Electric air pump
N2/7 Restraint systems control module
N3/10 ME-SFI [ME] control module
N15/3 ETC (electronic transmission control) control module
N15/5 Electronic selector lever control module
N22 Automatic air conditioning (AAC) pushbutton control module
N47-5 ESP/SPS/BAS control module
N65/2 Suction fan control module
N73 DI control module
N80 Steering column module
S9/1 Stop lamp switch
S16/6 Kickdown switch (up to 6/02)
S40 Cruise control (CC) switch
T1/1-T1/8 Ignition coils cylinders 1 - 8 (double ignition coils)
X11/4 Datalink connector
Y22/6 Variable intake manifold switchover valve
Y31/1 EGR vacuum transducer
Y32 Air pump switchover valve
Y58/1 Purge control valve
Y58/4 Activated charcoal canister shutoff valve
Y62 Injectors (LH-SFI, HFM-SFI, PEC [LH, HFM, PMS])
CAN data bus