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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - 221 Chassis >> Wiring Diagrams >> Electrical function diagram for purging function >> Electrical function diagram for purging function - PE47.30-P-2052-97SAH

Electrical function diagram for purging function - PE47.30-P-2052-97SAH

Code: Designation: Position:
1 Oxygen sensor, signal 5E
2 Engine load, signal 5G
3 Coolant temperature sensor, signal 4H
4 Intake air temperature sensor, signal 2E
5 Purging switchover valve, actuation 3C
6 Engine speed, signal 4D
B11/4 Coolant temperature sensor 3J
B17 Intake air temperature sensor 1E
B28/7 Pressure sensor downstream of throttle valve actuator 5J
B70 Crankshaft Hall sensor 5C
G3/3 Left O2 sensor upstream of TWC [KAT] 7E
G3/4 Right O2 sensor upstream of TWC [KAT] 7F
N3/10 ME-SFI [ME] control unit 4E
Y58/1 Purge control valve 3C
Fig 1: Purging - Electrical Function Diagram
G10127673Courtesy of MERCEDES-BENZ USA