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Home >> Mercedes Benz >> 2012 >> GL350 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust Manifolds, Emission Control - 164 Chassis >> Wiring Diagrams >> Electrical function schematic for common rail diesel injection (CDI), exhaust gas cleaning >> Electrical function schematic for common rail diesel injection (CDI), exhaust gas cleaning - PE14.00-U-2050-99MAB

Electrical function schematic for common rail diesel injection (CDI), exhaust gas cleaning - PE14.00-U-2050-99MAB

Code: Designation: Position:
1 CHECK ENGINE indicator lamp, actuation 12 H
1 CHECK ENGINE indicator lamp, actuation 14 J
10 Exhaust gas recirculation positioner, actuation 5 J
11 Intake port shutoff motor, actuation 6 C
12 Fuel injectors, actuation 4 H
13 NOx sensor, signal 12 B
13 NOx sensor, signal 15 B
14 NOx sensor heater, actuation 12 B
14 NOx sensor heater, actuation 13 B
14 NOx sensor heater, actuation 15 B
14 NOx sensor heater, actuation 17 B
15 AdBlue® feed unit heating element, actuation 19 H
16 AdBlue® pressure sensor, signal 21 F
17 AdBlue® tank heating element, actuation 17 F
18 AdBlue® delivery pump, actuation 17 G
19 AdBlue® reversing valve, actuation 18 H
2 Multifunction display, actuation 13 H
20 AdBlue® supply relay, actuation 21 H
21 Circuit 30 AdBlue® supply relay, signal 21 F
22 AdBlue® pressure line heating element, actuation 17 G
23 Fill level sensor (full), signal 19 D
24 Fill level sensor (reserve), signal 20 D
25 Fill level sensor (empty), signal 21 E
26 AdBlue® tank temperature sensor, signal 19 D
27 AdBlue® metering valve, actuation 20 H
28 O2 sensor heater, actuation 9 J
29 AdBlue® fill level, message 10 E
29 AdBlue® fill level, message 12 H
30 AdBlue® injection, request 18 E
31 AdBlue® injection, message 10 E
4 Temperature sensor upstream of SCR catalytic converter, signal 6 E
5 Temperature sensor upstream of diesel particulate filter, signal 9 G
6 Differential pressure sensor (DPF), signal 7 G
7 Oxygen sensor, signal 8 G
8 Temperature sensor upstream of turbocharger, signal 9 D
9 Temperature sensor upstream of CAT, signal 8 D
A1 Instrument cluster 12 J
A103/1b1 AdBlue® tank temperature sensor 17 C
A103/1b2 Fill level sensor (full) 19 C
A103/1b3 Fill level sensor (reserve) 20 C
A103/1b4 Fill level sensor (empty) 22 D
A103/1r1 AdBlue® tank heating element 16 F
A103/1r2 AdBlue® pressure line heating element 16 G
A103/2b1 AdBlue® pressure sensor 22 E
A103/2m1 AdBlue® delivery pump 17 H
A103/2r1 AdBlue® delivery module heating element 19 H
A103/2y1 AdBlue® reversing valve 18 H
A1e26 "CHECK ENGINE" MIL 14 J
A1p13 Multifunction display 14 H
B16/15 Temperature sensor upstream of SCR catalytic converter 4 D
B19/11 Temperature sensor upstream of turbocharger 8 C
B19/7 Upstream TWC [KAT] temperature sensor 7 C
B19/9 Temperature sensor upstream of diesel particulate filter 9 J
B28/8 Pressure differential sensor (DPF) 6 J
CAN C Engine compartment CAN 11 F
CAN I Drive train sensor CAN 11 E
CAN I Drive train sensor CAN 17 E
G3/2 O2 sensor 1 upstream TWC [KAT] 8 J
K27/7 AdBlue® supply relay 21 H
M55 Inlet port shutoff motor 4 A
N118/5 AdBlue® control unit 19 E
N3/9 CDI control module 8 D
N37/7 NOx control unit downstream of diesel particulate filter 13 B
N37/7b1 NOx sensor downstream of diesel particulate filter 11 B
N37/8 NOx control unit downstream of SCR catalytic converter 16 B
N37/8b1 NOx sensor downstream of SCR catalytic converter 14 B
Y129 AdBlue® metering valve 20 H
Y27/9 Left exhaust gas recirculation positioner 4 K
Y76 Fuel injectors 3 H
Fig 1: Common Rail Diesel Injection Exhaust Gas Cleaning Electrical Function Schematic (1 Of 2)
G10120106Courtesy of MERCEDES-BENZ USA
Fig 2: Common Rail Diesel Injection Exhaust Gas Cleaning Electrical Function Schematic (2 Of 2)
G10120107Courtesy of MERCEDES-BENZ USA