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Home >> Mercedes Benz >> 2007 >> R320 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System - 251 Chassis >> Wiring Diagrams >> Electrical function diagram for catalytic converter efficiency monitoring >> Electrical function diagram for catalytic converter efficiency monitoring - PE49.10-U-2050-99RAA

Electrical function diagram for catalytic converter efficiency monitoring - PE49.10-U-2050-99RAA

Code: Designation: Position:
2 CHECK ENGINE indicator lamp, actuation 7 F
A1 Instrument cluster 9 E
A1e26 "CHECK ENGINE" MIL 10 D
B70 Crankshaft Hall sensor 1 F
CAN C Engine compartment CAN 6 F
G3/3 Left O2 sensor upstream of TWC [KAT] 4 J
G3/4 Right O2 sensor upstream of TWC [KAT] 4 K
G3/5 Left O2 sensor downstream of TWC [KAT] 4 B
G3/6 Right O2 sensor downstream of TWC [KAT] 4 C
N3/10 ME-SFI [ME] control unit 4 E
Fig 1: Catalytic Converter Efficiency Monitoring - Electrical Function Diagram
G10121174Courtesy of MERCEDES-BENZ USA