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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> General Information >> OEM General Information >> Emergency Equipment, Disability Equipment, Sanitary Equipment, Galley - 177 Chassis >> Wiring Diagrams >> (Function Schematic For Emergency Fresh-Air System - PE86.10-P-2501-97A)

(Function Schematic For Emergency Fresh-Air System - PE86.10-P-2501-97A)

Model 223 with code Z25 (Emergency fresh-air system) 

Code: Designation: Position:
1 Emergency fresh-air system/fire extinguishing system activation button, status 19B
10 Image data, signal 45B
11 Warning buzzer, actuation 32E
12 Light-emitting diode actuation 32E
13 Vent flap actuator motor, actuation 26G
13 Vent flap actuator motor, actuation 32G
14 Emergency fresh-air system compressed air reservoir solenoid valve, actuation 26J
2 Emergency fresh-air system button, status 19C
3 Washer fluid pump, actuation 7D
4 Irritant gas sensor, signal 19D
5 Pressure sensor, signal 19F
6 Circuit 15, status 14H
6 Circuit 15, status 17H
6 Circuit 15, status 20H
7 Instrument cluster warning message, request 26B
8 Switch on recirculated air mode, request 26B
8 Switch on recirculated air mode, request 32B
9 Instrument cluster message, request 32B
9 Instrument cluster message, request 39B
A40/18 Instrument cluster display 46C
A48/4 Special protection operating unit 2C
A48/4 Special protection operating unit 33F
B30 Irritant gas sensor 8E
B65/2 Emergency fresh-air system pressure sensor 2G
CAN B1 CAN 1 for vehicle interior 11J
CAN B1 CAN 1 for vehicle interior 31B
Ethernet Ethernet 5J
Ethernet Ethernet 37B
HSVL High-speed video link 43B
K106 Vent flaps relay 27H
M90/1 Vent flap actuator motor 33H
M90/2 Vent flap actuator motor 33J
N10/6 Front signal acquisition and actuation module control unit 8J
N10/6 Front signal acquisition and actuation module control unit 2E
N10/6 Front signal acquisition and actuation module control unit 33C
N100/1 Fire extinguishing system and emergency fresh air system control unit 21G
N133/1 Instrument cluster control unit 40C
N26/14 Multifunction control unit 14J
N26/14 Multifunction control unit 27C
N73/3 Electronic ignition switch control unit 2K
Y20 Emergency fresh-air system compressed-air reservoir squib 27K
G15074936Courtesy of MERCEDES-BENZ USA
G15074937Courtesy of MERCEDES-BENZ USA
G15074938Courtesy of MERCEDES-BENZ USA