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Home >> Mercedes Benz >> 2021 >> CLS450 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Mixture Formation - 257 Chassis 2 Of 2 >> Wiring Diagrams >> Electrical Function Schematic For Knock Control >> Electrical Function Schematic For Knock Control - PE07.10-P-2715-97XBB

Electrical Function Schematic For Knock Control - PE07.10-P-2715-97XBB

Engine 256.9 in model 257, 290 up to model year 2021 

Code: Designation: Position:
1 Camshaft Hall sensor, signal 8H
10 Circuit 87, status 7D
11 Engine running, signal 12E
12 Powertrain control unit, request 9F
2 Engine speed, signal 7H
3 Crankshaft Hall sensor, signal 7J
4 Ignition coils, actuation 4J
5 Accelerator pedal sensor, signal 14D
5 Accelerator pedal sensor, signal 9F
6 Coolant temperature sensor, signal 4F
7 Engine load, signal 4E
9 Knock sensor, signal 4G
A16/1 Knock sensor 1 2H
A16/2 Knock sensor 2 2H
B11/4 Coolant temperature sensor 1E
B28/27 Pressure and temperature sensor downstream of throttle valve 2C
B37 Accelerator pedal sensor 14B
B6/15 Intake camshaft Hall sensor 9K
B6/16 Exhaust camshaft Hall sensor 9K
B70 Crankshaft Hall sensor 7L
CAN C Engine CAN 10E
CAN C1 Drive train CAN 10F
K40/8 Engine fuse and relay module 11A
K40/8kN Circuit 87M relay 8B
N127 Drivetrain control unit 14E
N3/10 ME-SFI [ME] control unit 6E
T1/1 Cylinder 1 ignition coil 5J
T1/2 Cylinder 2 ignition coil 5K
T1/3 Cylinder 3 ignition coil 5K
T1/4 Cylinder 4 ignition coil 5K
T1/5 Cylinder 5 ignition coil 5K
T1/6 Cylinder 6 ignition coil 5L
G14554854Courtesy of MERCEDES-BENZ USA