Shown on model 415.7 |
N3/10 | ME-SFI [ME] control unit |
P07.70-2561-05
Location
The ME-SFI [ME] control (N3/10) is mounted behind the on-board electrical system battery (G1) in the engine compartment.
Task
The ME-SFI [ME] control unit (N3/10) fulfills the following tasks:
Controlling the engine basic functions
Reading in of signals
Evaluation of input factors
Output of signals and actuation of components
Controlling the engine basic functions
Ignition
Start
Fuel supply
Injection control
Ignition system
Synchronization of injection and firing order
Start, post-start phase and warm-up enrichment
Engine speed control
Alternator interface
Lambda control
Heat management
Torque coordination
Inertia fuel shutoff
Knock sensor system
Camshaft adjustment
Engine limp-home mode
European On-Board Diagnosis
ECO start/stop function (with CODE MJ7 (ECO start/stop function))
Charging
Exhaust aftertreatment
Purge control
Reading in of signals
Signals are read in via the following connections:
Direct line
Interior CAN (CAN I)
Evaluation of signals
The read in signals are evaluated by the integral microprocessor, and the relevant components are actuated.
Output of signals and actuation of components
Signals are read in via the following connections:
Direct line
Interior CAN (CAN I)
The signals from the following components are read in or output by the ME-SFI [ME] control (N3/10) via direct lines:
Input factors over a direct line | Initial parameters over a direct line | Supplemental information |
Terminal 15 | - | - |
Circuit 30 (fused) | - | - |
Circuit 31 | - | - |
Terminal 87 | - | - |
Knock sensor (A16) | - | - |
Fuel pressure sensor (B4/6) | - | - |
Boost pressure sensor (B5/1) | - | - |
Intake camshaft Hall sensor (B6/15) | - | - |
Exhaust camshaft Hall sensor (B6/16) | - | - |
Coolant temperature sensor (B11/4) | - | - |
Refrigerant pressure sensor (B12/2) | - | - |
Temperature sensor downstream of charge air cooler (B17/8) | - | - |
Intake manifold pressure sensor (B28/15) | - | - |
Accelerator pedal sensor (B37) | - | - |
Crankshaft Hall sensor (B70) | - | - |
Oxygen sensor downstream of catalytic converter (G3/1) | Oxygen sensor downstream of catalytic converter (G3/1) | - |
Oxygen sensor upstream of catalytic converter (G3/2) | Oxygen sensor upstream of catalytic converter (G3/2) | - |
- | Fuel pump relay (K10/2k1 ) | - |
- | Engine control unit relay (K10/3) | - |
- | Throttle valve actuator (M16/6) | - |
Actual value potentiometer 1 (M16/6r1), throttle valve | - | - |
Actual value potentiometer 2 (M16/6r2), throttle valve | - | - |
Circuit 15 relay (N50k2) | - | - |
- | Coolant thermostat heating element(R48) | - |
CC switch (S4s6) | - | - |
Brake light switch (S9/1) | - | - |
Clutch pedal switch (S40/3) | - | - |
Clutch pedal switch (S40/6) | - | With CODE MJ7 (ECO start/stop function) |
- | Cylinder 1 ignition coil (T1/1) | - |
- | Cylinder 2 ignition coil (T1/2) | - |
- | Cylinder 3 ignition coil (T1/3) | - |
- | Cylinder 4 ignition coil (T1/4) | - |
- | Boost pressure control pressure transducer (Y31/4) | - |
- | Intake camshaft solenoid (Y49/4) | - |
- | Exhaust camshaft solenoid (Y49/5) | - |
- | Activated charcoal canister shutoff valve (Y58/4) | - |
- | Cylinder 1 fuel injector (Y76/1) | - |
- | Cylinder 2 fuel injector (Y76/2) | - |
- | Cylinder 3 fuel injector (Y76/3) | - |
- | Cylinder 4 fuel injector (Y76/4) | - |
- | Quantity control valve (Y94) | - |
- | Engine oil pump valve (Y130) | - |
- | Coolant pump switchover valve (Y133) | - |
The signals from the following components are sent or received by the ME-SFI [ME] control (N3/10) over the interior CAN (CAN I):
Input and output parameters over the interior CAN (CAN I) | Supplemental information | |
Instrument cluster (IC) control unit (A1) | - | |
Supplemental restraint system control unit (N2/2) | - | |
Signal acquisition and actuation module (SAM) control unit (N10) | - | |
Climate control control and operating unit (N20) | with code H06 (Air conditioning) | |
Electronic Stability Program control unit (ESP) (N30/4) | - | |
Fuse and relay module (SRM) control unit (N50) | - | |
N68(Electric power steering (ES)) | - | |
Diagnostic connector (X11) | - |
Voltage supply
The ME-SFI [ME] control (N3/10) is protected by terminal 30 and additionally supplied with voltage from terminal 87 with ignition ON.
In the operating voltage range it has both short-circuit protection and reversed polarity protection.
Power is supplied through several engaged parallel pins connected in parallel to relieve the electrical connections.
Ground connection
The ground connection of terminal 31 occurs via multiple ground lines to the ground point of the internal combustion engine on the left (W11/3).