Mercedes-Benz C-class W202 facelift (1997-2001) electronic ignition lock control module Wiring diagrams

31 CAN H CAN L A/C SYSTEM BLOWER UNIT AIR CONTROL MODULE (IF EQUIPPED) AUXILIARY FANS (FRONT OF ENGINE COMPARTMENT) BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-H- CAN-L- COMPUTER DATA LINES SYSTEM DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE/CLIMATE CONTROL ELECTRIC COOLING FAN GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE GRY/PNK WIRE GRY/RED WIRE HEATER CORE TEMPERATURE SENSOR (IN CONSOLE BEHIND RADIO, ON HEATER BOX) HOT AT ALL TIMES LEFT AUXILIARY FAN LEFT FRONT SIGNAL PICKUP, ACTIVATION MODULE NCA WIRE PNK 3 WIRE PWM CTRL 15 RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT AUXILIARY FAN TERMINAL WHT WIRE WHT/PNK WIRE YEL WIRE

ACCEL/SET BLK WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CRUISE CONTROL SWITCH CTRL CONTACT DECEL/SET ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES TERMINAL ISC ACTUATOR (TOP LEFT SIDE OF ENGINE) LEFT FOOTWELL) MEMORY RECALL OFF PEDAL VALUE SENSOR (LEFT REAR OF ENGINE COMPT) RED WIRE VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

A/C PUSHBUTTON CONTROL MODULE ASR/SPS CONTROL MODULE ASR/SPS CONTROL MODULE/ ESP/SPS/BAS CONTROL MODULE BAS CONTROL MODULE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE DATA LINK CONNECTOR (RIGHT REAR CORNER OF ENGINE COMPARTMENT) DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ELECTRONIC SELECTOR LEVER MODULE CONTROL MODULE ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) ESP/SPS/BAS CONTROL MODULE FUSE 1 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HEADLAMP RANGE ADJUSTMENT CONTROL MODULE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER NAVIGATION UNIT AND RADIO PASSENGER'S SIDE FUSE/ RELAY MODULE BOX RADIO RADIO, NAVIGATION OPERATING UNIT RED/GRN WIRE RED/WHT WIRE SRS CONTROL MODULE (FORWARD OF SHIFTER) TRANSMISSION CONTROL MODULE (REAR OF ENGINE COMPT) ULTRASONIC PTS CONTROL MODULE VIO WIRE WHT WIRE WHT/GRN (OR BLK/GRN) WIRE WHT/GRN WIRE XENON HEADLAMPS YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 PNK WIRE 1 2 4 CAN L CAN H 13 8 B+ 2 1 10 11 3 WASHER WIPER CAN H CAN L GROUND 2 3 4 1 B+ B+ 3 6 1 CAN L CAN H GROUND 6 7 2 CAN H CAN L BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMBINATION SWITCH DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE FUSE 22 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INT LO LEFT HEATED WINDSHIELD WASHER NOZZLE NCA WIRE OFF PARK PNK WIRE PNK/RED WIRE PNK/YEL WIRE RAIN SENSOR REAR FUSE BOX (RIGHT SIDE OF TRUNK) FUSE 9 RED WIRE RED/BLK WIRE RIGHT HEATED WINDSHIELD WASHER NOZZLE ROOF PANEL CONTROL MODULE SAM FUSE SIGNAL PICKUP AND ACTIVATION MODULE STAR POINT COUPLER DATABUS CONNECTOR TERMINAL BLOCK VIO WIRE VIO/YEL WIRE WASHER NOZZLE HEATING FUSE WASHER PUMP FUSE WASHER PUMP MOTOR WASHER SWITCH WHT WIRE WINDSHIELD WASHER RELAY WINDSHIELD WIPER MOTOR WIPER STAGE 1 RELAY WIPER STAGE 1-2 FUSE WIPER STAGE 2 RELAY WIPER SWITCH YEL WIRE

13 9 12 B+ HCS RELAY GROUND 2 10 11 3 WASHER CAN H CAN L GROUND 2 3 B+ B+ 6 7 2 CAN H CAN L BLK WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE COMBINATION SWITCH DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE EXTERIOR LAMP SWITCH FUSE 22 FUSE 24 FUSE/ RELAY BOX (LEFT REAR OF ENGINE COMPT) GRY WIRE GRY/WHT WIRE HEAD HEADLAMP CLEANING SYSTEM PUMP RELAY HEADLAMP WASHER PUMP HORN FUSE HCS PUMP FUSE HOT AT ALL TIMES HOT IN RUN, ACC OR START LEFT HEADLAMP WIPER MOTOR NCA WIRE OFF PARK RH HEAD LH OFF PARK RH LH PARK PNK WIRE RED WIRE RIGHT HEADLAMP WIPER MOTOR RUN WIRE SAM FUSE SIGNAL PICK-UP, ACTIVATION MODULE TERMINAL BLOCK VIO WIRE VIO/YEL WIRE WASH WASHER SWITCH WHT WIRE WIPER SWITCH YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE FANFARE HORN FUSE 40 FUSE 41 HORN RELAY HORN/ AIRBAG CLOCK SPRING CONTACT HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT FOOTWELL) LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP LEFT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP PNEUMATIC HORN PUSHBUTTON PNEUMATIC HORN PUSHBUTTON PNK/YEL WIRE RED WIRE RIGHT MULTI-FUNCTION STEERING WHEEL PUSHBUTTON GROUP SIGNAL PICK-UP, ACTIVATION MODULE (SAM) TERMINAL YEL WIRE

A/C SYSTEM BATTERY BLK WIRE BLU WIRE BRN WIRE CF RELAY MODULE, CIRCUIT 302 FUSE COMBINATION SWITCH CTEL INTERFACE DATA LINK CONNECTORS (OBD II, DTC READOUT) DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE EMERGENCY CALL CONTROL MODULE, MIRRORS SYSTEM, ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM TRANSMISSION RANGE RECOGNITION SWITCH ESC CONTROL MODULE EXTERIOR LAMP SWITCH EXTERIOR LIGHTS SWITCH EXTERIOR LIGHTS SYSTEM, FRONT CIGAR LIGHTER FUSE 1 FUSE 2 FUSE 11 FUSE 10 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 17 FUSE 18 FUSE 22 FUSE 23 FUSE 27 FUSE 3 FUSE 16 FUSE 4 FUSE 5 FUSE 6 7.5 FUSE FUSE 19 FUSE, RELAY BOX (LEFT REAR OF ENG COMPT) FUSE/ RELAY BOX GLOVE COMPARTMENT LAMP, GARAGE DOOR OPENER GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HEATED SEATS CIRCUIT HORN RELAY WIPER STAGE 2 RELAY IGNITION COILS FUSE INSTRUMENT CLUSTER, EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER, MIRRORS SYSTEM LEFT FOOTWELL) MIRRORS SYSTEM NCA WIRE PASSENGER'S SIDE FUSE, RELAY MODULE BOX (RIGHT REAR OF ENG COMPT) PNK PNK WIRE PNK WIRE PNK/RED WIRE PNK/YEL WIRE POLARITY PROTECTION RELAY POWER TOPS SYSTEM REAR WINDOW SUNSHADE SWITCH, NAVIGATION PROCESSOR, RED WIRE SEATS SYSTEM SENSOR SOUND SYSTEMS, CTEL TRANSMITTER/ RECEIVER, NAVIGATION UNIT SOUND SYSTEMS, CTEL TRANSMITTER/ RECEIVER, NAVIGATION UNIT SOUND SYSTEMS STARTER STARTER RELAY STEERING ANGLE STEERING LOCK SUPPLEMENTAL RESTRAINTS SYSTEM TERMINAL TO REAR FUSE BOX (DIAGRAM 2 OF 2) TO TERMINAL ULTRASONIC PTS CONTROL MODULE VIO WIRE WASHER NOZZLE HEATING FUSE WASHER PUMP FUSE WHT WIRE WINDSHIELD WASHER RELAY WIPER STAGE 1 RELAY WIPER STAGE 1-2 FUSE WIPER/ WASHER SYSTEM YEL WIRE

BATTERY BLK WIRE BRN WIRE DRIVER-SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE CONTROL MODULE (ME-SFI) (RIGHT REAR OF ENGINE COMPT) LEFT FOOTWELL) PASSENGER- SIDE FUSE AND RELAY MODULE BOX PNK/RED WIRE RED WIRE RED/BLU WIRE STARTER STARTER RELAY TERMINAL VIO WIRE VIO/WHT WIRE

ACTVATED CHARCOAL CANISTER SHUTOFF VALVE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE BU LP CAN(H)+ CAN(L)- COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DATA LINK CONNECTOR (LEFT REAR OF ENGINE COMPT) DIAG DRIVER'S SIDE FUSE, RELAY MODULE BOX ELECTRONIC IGNITION LOCK CONTROL MODULE ENGINE CONTROL MODULE (ME-SFI) (IN MODULE BOX, IN RIGHT REAR OF ENGINE COMPT) ESG 31 31 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES OXYGEN SENSOR 1 (BEFORE TWC) (ON EXHAUST PIPE) OXYGEN SENSOR 2 (AFTER TWC) (ON EXHAUST PIPE) PASSENGER'S SIDE FUSE, RELAY MODULE BOX FUSE 1 PEDAL VALUE SENSOR (LEFT REAR OF ENGINE COMPT) PURGE CONTROL VALVE (LEFT FRONT CORNER OF ENGINE COMPT) RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE STARTING SYSTEM TNA TN 50 USP 1 USP 2 VIO WIRE VIO/GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL/GRN WIRE