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




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

Engine 119.980/981/982/985 (USA)




40 Diaphragm pressure regulator
55 Fuel filter
74 Fuel cooler
75 Fuel tank
126 Air shutoff valve
128 Check valve (vacuum)
158 Catalytic converter
A1e4 Fuel reserve warning lamp
A1e26 CHECK ENGINE indicator lamp
A1e43 EPC malfunction indicator lamp (up to 5/96)
A16g1 Knock sensor 1 (right side of engine)
A16g2 Knock sensor 2 (left side of engine)
B2/5 Hot film mass air flow sensor
B4/3 Model 140, model 129 as of 9/97: fuel tank pressure sensor
B4/4 Model 129 up to 8/97: purge control monitor pressure sensor
B6/1 Camshaft Hall sensor
B11/4 Coolant temperature sensor
B17 Intake air temperature sensor
B24/7 Body acceleration sensor (up to 5/96)
B28 Intake manifold pressure sensor
B37 Pedal value sensor
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
K27 Fuel pump relay, model 129, 140
K40 Relay module, model 210
L5 Crankshaft position sensor
L6/1 Left front rpm sensor
L6/3 Left rear rpm sensor
M3 Fuel pump
M16/1 Electronic accelerator (EA) / cruise control (CC) / idle speed control (ISC) 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 (Auto A/C) pushbutton control module
N47-1 ASR/SPS control module
N47-5 ESP/SPS control module
N54 RCL (remote central locking) control module
S9/1 Stop lamp switch
S40 Cruise control switch
V Decelerate/Set
B Accelerate/Set
SP Resume
A Off
S43 Oil level switch
T1/1-T1/8 Ignition coils cylinders 1 - 8
X11/4 Data link connector, 38-pin
X11/22 Data link connector II
Y49/1 Left adjustable camshaft timing solenoid
Y49/2 Right adjustable camshaft timing solenoid
Y58/1 Purge control valve
Y58/4 Model 140, model 129 as of 9/97: activated charcoal filter shutoff valve
Y62 Fuel injectors
CAN Databus (Controller Area Network)

Note: Model 129 as of 9/97 with leak test for purge control system (purge control system operational check discontinued)