Mercedes-Benz S-class W140 facelift (1994-1999) emissions sensor (center of firewall) wiring diagram
This page shows the only wiring diagram for the component.emissions sensor (center of firewall), which is found in the car Mercedes-Benz S-class W140 facelift (1994-1999). This component is only found in one wiring diagram on your vehicle, and you can see its details here. If necessary, you can also go to other diagrams for this system for more information..
emissions sensor (center of firewall) wiring diagram (1 of 1)
A/C SYSTEM BLOWER UNIT
ACTIVATED CHARCOAL FILTER ACTUATOR
AIR CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, ON FRAME RAIL)
BLK/BLU WIRE
BLK/PNK WIRE
BLK/RED WIRE
BLK/YEL/GRN WIRE
BLK/YEL/WHT WIRE
BLOWER MOTOR
BLOWER REGULATOR
BLU/WHT WIRE
BRN WIRE
BRN/WHT WIRE
BRN/YEL WIRE
COOL
COOL INDICATOR LED
EMISSIONS SENSOR (CENTER OF FIREWALL)
GRY/BLU WIRE
GRY/GRN WIRE
GRY/RED WIRE
HEADLAMP UNIT)
HOT AT ALL TIMES
ILLUMINATION
LEFT AUXILIARY FAN (ON FRONT OF ENGINE COMPARTMENT)
NCA WIRE
NOTE: COMPONENTS MAY BE GROUNDED AT EITHER
PNK/BLU WIRE
RED WIRE
RED/GRN WIRE
RIGHT AUXILIARY FAN (ON FRONT OF ENGINE COMPARTMENT)
SWITCHOVER VALVE BLOCK
WARM
WARM INDICATOR LED
WARM/COOL AIR SWITCH (HEATING SYSTEMS)
WHT/BLK WIRE
WHT/RED WIRE
YEL/BLU WIRE
Go to component -> Front a/c circuit (2 of 2) -> EMISSIONS SENSOR (CENTER OF FIREWALL)
