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Home >> Mercedes Benz >> 2012 >> GL350 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 164 Chassis - 4 Of 4 >> Wiring Diagrams >> Function Schematic For On Board Diagnosis (OBD) >> Function Schematic For On Board Diagnosis (OBD) - PE07.16-U-2770-99MAB

Function Schematic For On Board Diagnosis (OBD) - PE07.16-U-2770-99MAB

Code: Designation: Position:
1 CHECK ENGINE indicator lamp, actuation 10 H
1 CHECK ENGINE indicator lamp, actuation 11 J
2 Engine control diagnosis, communication 10 F
2 Engine control diagnosis, communication 11 D
3 AdBlue® system diagnosis, communication 7 C
4 Exhaust gas recirculation temperature sensor, signal 7 H
5 Condensation sensor for fuel filter with heating element, signal 5 H
6 NOx sensor, signal 2 H
6 NOx sensor, signal 2 E
6 NOx sensor, signal 5 F
A1 Instrument cluster 9 J
A103/2 AdBlue® delivery module 8 B
A1e26 "CHECK ENGINE" MIL 12 J
B16/14 Exhaust gas recirculation temperature sensor 6 K
B96/1 Left intake port shutoff end position sensor 4 J
B96/2 Right intake port shutoff end position sensor 4 J
CAN C Engine compartment CAN 9 G
CAN D Diagnostic CAN 11 D
CAN I Drive train sensor CAN 3 G
CAN I Drive train sensor CAN 6 C
N118/5 AdBlue® control unit 6 B
N3/9 CDI control module 7 E
N37/7 NOx control unit downstream of diesel particulate filter 1 E
N37/7b1 NOx sensor downstream of diesel particulate filter 1 C
N37/8 NOx control unit downstream of SCR catalytic converter 1 H
N37/8b1 NOx sensor downstream of SCR catalytic converter 1 K
N93 Central gateway control module 9 D
X11/4 Data link connector 14 D
Fig 1: On Board Diagnosis Function Schematic
G10120093Courtesy of MERCEDES-BENZ USA