Honda Civic VII facelift (2003-2006) multiplex control unit Wiring diagrams

+B BACK UP 3 2 UNLOCK BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BRAIDED WIRE RX/TX SH GND BRN WIRE BRN/YEL WIRE CARLINK CARD READER (LEFT "C" PILLAR) CARLINK INTERFACE BOX (UNDER MIDDLE OF DASH) CELLULAR ANTENNA COMPUTER DATA LINES SYSTEM D/L REMOTE SW D/L REMOTE SW D/L REMOTE SW D/L REMOTE SW TXD/RXD DIM CONTROL + VSP FUEL UNIT DO RX IMMOBI CORD FR DOOR SW K-LINE GND DIM CONTROL - LED PW SIG GND RX/TX SH GND KEYLESS COM METER BUS DRIVER'S DOOR LOCK SWITCH ENGINE CONTROLS SYSTEM FR DOOR SW (DR) FUEL GAUGE SENDING UNIT FUEL TANK UNIT (ON TOP OF FUEL TANK) FUSE GAUGE ASSEMBLY GND GND GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOUSING) IMMOBI CORD IMMOBILIZER CONTROL UNIT -RECEIVER (IN STEERING COLUMN COVER) INTERIOR LIGHTS SYSTEM CRUISE CONTROL SYSTEM JUNCTION CONNECTOR KEYLESS COM METER BUS LED LOCK LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MULTIPLEX CONTROL UNIT ORG/ WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SIG GND STARTING/CHARGING SYSTEM STNOFF-OUT STS CNTL TRANSMISSION RANGE SWITCH (ON TRANSMISSION) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

+B BACK UP 3 2 UNLOCK BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BRAIDED WIRE RX/TX SH GND BRN WIRE BRN/YEL WIRE CARLINK CARD READER (AT LEFT "C" PILLAR) CARLINK INTERFACE BOX (UNDER MIDDLE OF DASH) CELLULAR ANTENNA COMPUTER DATA LINES SYSTEM D/L REMOTE SW D/L REMOTE SW D/L REMOTE SW D/L REMOTE SW TXD/RXD DIM CONTROL + VSP FUEL UNIT DO RX IMMOBI CORD FR DOOR SW K-LINE GND DIM CONTROL - LED PW SIG GND RX/TX SH GND KEYLESS COM METER BUS DRIVER'S DOOR LOCK SWITCH ECM (BEHIND GLOVE BOX) ENGINE CONTROLS SYSTEM FR DOOR SW (DR) FUEL GAUGE SENDING UNIT FUEL TANK UNIT (ON TOP OF FUEL TANK) FUSE GAUGE ASSEMBLY GND GND GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IMMOBI CORD IMMOBILIZER CONTROL UNIT- RECEIVER INTERIOR LIGHTS SYSTEM CRUISE CONTROL SYSTEM KEYLESS COM METER BUS KEYLESS CUT (UNDER MIDDLE OF DASH) LED LOCK LT BLU WIRE MULTIPLEX CONTROL UNIT ORG/ WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SIG GND STARTING/CHARGING SYSTEM STC STNOFF-OUT STS CNTL UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

+B BACK-UP +B DOOR LOCK HORN SW BLK WIRE BLU WIRE BLU/ORG WIRE CARLINK CARLINK INTERFACE BOX (UNDER MIDDLE OF DASH) COUPE COUPE, SEDAN DRIVER'S DOOR LOCK ACTUATOR DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH EX, LX, GX EX, LX, GX KEY LESS CONNECTOR EXCEPT CARLINK EXTERIOR LIGHTS SYSTEM (HONDA ACCESSORY) FRONT PASSENGER'S OR PASSENGER'S DOOR LOCK ACTUATOR FRONT PASSENGER'S OR PASSENGER'S DOOR SWITCH FUSE 1 FUSE 10 FUSE 16 FUSE 2 FUSE 20 FUSE 9 GRN WIRE GRN/ WHT WIRE GRN/BLK WIRE GRN/WHT WIRE HONDA ACCESSORY HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH IGNITION KEY SWITCH/KEY LIGHT KEYLESS CUT (UNDER MIDDLE OF DASH) KEYLESS RECEIVER FUSE 1 (UNDER LEFT SIDE OF DASH) KEYLESS RECEIVER FUSE 2 (UNDER LEFT SIDE OF DASH) KEYLESS RECEIVER UNIT (UNDER CENTER OF DASH) LEFT REAR DOOR LOCK ACTUATOR (SEDAN) LEFT REAR DOOR SWITCH (SEDAN) LOCK LT GRN RED/ WIRE LT GRN WIRE LT GRN/RED WIRE METER MULTIPLEX CONTROL UNIT ORG/ WIRE RED WIRE RED/WHT WIRE RIGHT REAR DOOR LOCK ACTUATOR (SEDAN) RIGHT REAR DOOR SWITCH (SEDAN) SEDAN SWITCH (MIDDLE OF TRUNK LID) TRUNK LATCH TRUNK LIGHT UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) UNLOCK UNLOCK UNLOCK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM (HONDA ACCESSORY) YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/ORG WIRE DRIVER'S DOOR LOCK ACTUATOR DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH FUSE 10 FUSE 16 FUSE 9 GRN WIRE GROUND LOCK UNLOCK LOCK UNLOCK HATCH LATCH SWITCH HATCH LOCK ACTUATOR HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH IGNITION KEY SWITCH/KEY LIGHT KEYLESS RECEIVER UNIT (UNDER MIDDLE OF DASH) LOCK LT GRN WIRE LT GRN/RED WIRE MULTIPLEX CONTROL UNIT ORG/ WIRE PASSENGER'S DOOR LOCK ACTUATOR PASSENGER'S DOOR SWITCH RED WIRE RED/WHT WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) TRUNK SWITCH UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPARTMENT) UNLOCK UNLOCK UNLOCK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+B BACK UP B+ DOOR LOCK BLK WIRE BLU WIRE BLU/ORG WIRE CARLINK CARLINK CARD READER (AT LEFT "C" PILLAR) D/L DR MTR (UNLOCK) D/L MTR (LOCK) D/L MTR (UNLOCK) D/L REMOTE SW (LOCK) D/L REMOTE SW (UNLOCK) D/L SIL-CON SW (UNLOCK) DRIVER'S DOOR LOCK ACTUATOR DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH EXCEPT CARLINK FR DOOR SW (AS) FR DOOR SW (DR) FRONT PASSENGER'S DOOR LOCK ACTUATOR FUSE 10 FUSE 9 FUSE 16 GRN WIRE GRN/WHT WIRE GROUND HORN SW HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH IGNITION KEY SWITCH/KEY LIGHT (IN STEERING COLUMN COVER) K/L SET K/L UNSET KEY SW KEYLESS COM KEYLESS CUT (UNDER MIDDLE OF DASH) LEFT REAR DOOR LOCK ACTUATOR LEFT REAR DOOR SWITCH LOCK LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MULTIPLEX CONTROL UNIT ORG/ WIRE RED WIRE RED/WHT WIRE RIGHT REAR DOOR LOCK ACTUATOR RIGHT REAR DOOR SWITCH RR DOOR SW SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) TRUNK LATCH SWITCH TRUNK LIGHT TRUNK SW (T/G SW) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) UNLOCK WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/F SENSOR RELAY ABS MODULATOR CONTROL UNIT B+ DAY LT B+ RR FOG B+ DOOR LOCK BLK WIRE BLOWER MOTOR RELAY BLU WIRE BRAKE PEDAL POSITION DRL CONTROL UNIT (CANADA) EPS CONTROL UNIT FROM BATTERY (DIAGRAM 1 OF 4) FROM FUSE 9 (DIAGRAM 1 OF 4) FUSE 10 FUSE 8 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 16 FUSE 18 FUSE 2 FUSE 15 FUSE 3 FUSE 5 FUSE 5 (NOT USED) FUSE 60 FUSE 7 FUSE 7 (NOT USED) GRN WIRE HAZARD WARNING SWITCH HORN RELAY HOT RESTART FAN RELAY MCM RELAY 1 MULTI-FUSE/ RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) MULTIPLEX CONTROL UNIT POWER WINDOW RELAY REAR WINDOW DEFOGGER RELAY RED WIRE RED/BLU WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) SWITCH UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY A/T REVERSE RELAY ABS MODULATOR CONTROL UNIT AUDIO UNIT BACK-UP LIGHT SWITCH (M/T) EPS CONTROL UNIT BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR RELAY REAR WINDOW DEFOGGER RELAY BLU WIRE BLU/ORG WIRE CANADA CARLINK INTERFACE BOX CARLINK INTERFACE BOX (IF EQUIPPED) CIGARETTE LIGHTER OR ACCESSORY POWER SOCKET CLIMATE CONTROL UNIT CVT DAY LT DRL CONTROL UNIT (CANADA) FROM IGNITION SWITCH (DIAGRAM 1 OF 4) FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 18 FUSE 21 FUSE 8 FUSE 9 GAUGE ASSEMBLY JUNCTION CONNECTOR KEYLESS RECEIVER UNIT MCM METER MULTIPLEX CONTROL UNIT PNK (OR WIRE POWER MIRROR SWITCH RADIATOR FAN RELAY REAR IGNITION COIL 1 REAR IGNITION COIL 2 REAR IGNITION COIL 3 REAR IGNITION COIL 4 REAR WINDOW DEFOGGER SWITCH RECIRCULATION CONTROL MOTOR RED WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) SHIFT LOCK SOLENOID SRS UNIT STARTER CUT RELAY TO FUSE 17 (DIAGRAM 4 OF 4) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) W/ CARLINK WHT WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/F SENSOR RELAY BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE CRUISE CONTROL MAIN SWITCH CRUISE CONTROL UNIT DC-DC CONVERTER EVAP BYPASS SOLENOID VALVE ELD UNIT EVAP CANISTER PURGE VALVE EVAP CANISTER VENT SHUT VALVE FROM FUSE 10 (DIAGRAM 3 OF 4) FROM FUSE 19 (DIAGRAM 4 OF 4) FRONT IGNITION COIL 1 FRONT IGNITION COIL 2 ECM FRONT IGNITION COIL 3 FRONT IGNITION COIL 4 FUSE 1 FUSE 17 FUSE 19 FUSE 20 FUSE 4 FUSE 6 GRN/BLK WIRE HAZARD WARNING SWITCH IMMOBILIZER CONTROL UNIT- RECEIVER JUNCTION CONNECTOR MULTI-FUSE/ RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) MULTIPLEX CONTROL UNIT OPDS UNIT (SIDE AIR BAG USA) PGM-FI MAIN RELAY 2 POWER WINDOW RELAY SRS UNIT SULEV TCM (A/T) THIRD TO FUSE 1 (DIAGRAM 4 OF 4) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) VSS M/T WHT WIRE WHT/RED WIRE WINDSHIELD WIPER MOTOR WIPER WIPER/ WASHER SWITCH YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ANTENNA IN ANTENNA LEAD ANTENNA MODULE (INSIDE RIGHT "C" PILLAR) AUDIO UNIT BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CD CHANGER (ACCESSORY INSTALLED) COIL ASSEMBLY (LEFT "C" PILLAR) DEFOGGER SYSTEM DRIVER'S DOOR SPEAKER FUSE 8 FUSE 9 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON LEFT REAR SPEAKER LEFT TWEETER LT GRN WIRE MULTIPLEX CONTROL UNIT NCA WIRE PASSENGER'S DOOR SPEAKER PNK WIRE REAR WINDOW REAR WINDOW DEFOGGER (FM ANTENNA) RED WIRE RED/BLK WIRE RIGHT REAR SPEAKER RIGHT TWEETER RR + RL + FR + FL + ILLUM + BATT POWER RR - RL - FR - FL - ILLUM - GROUND SUB-ANTENNA LEAD SW OUT SW IGN UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/RED WIRE WINDOW ANTENNA (AM) YEL WIRE YEL/GRN WIRE YEL/RED WIRE

+B BACKUP ANTENNA IN AUDIO UNIT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CD CHANGER (IF EQUIPPED) DRIVER'S DOOR SPEAKER FRONT PASSENGER'S DOOR SPEAKER FUSE 8 FUSE 9 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON LEFT REAR SPEAKER LT GRN WIRE MAST ANTENNA MULTIPLEX CONTROL UNIT NCA WIRE PNK WIRE RED WIRE RED/BLK WIRE RIGHT REAR SPEAKER RR + LR + RF + LF + ILLUM + BATTERY IN RR - LR - RF - LF - ILLUM - GROUND SW IGN UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE