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

BLK WIRE BLU WIRE BLU/ORG WIRE CEILING LIGHT CEILING LIGHT/SPOTLIGHTS D/L SIL-CON SW DOOR LOCKS SYSTEM DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH FR DOOR SWITCH FUSE 3 GRN WIRE GRN/RED WIRE HOT AT ALL TIMES IG KEY LT IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTR LT- KEY SW KEYLESS COM KEYLESS RECEIVER UNIT LT BLU WIRE LT GRN/RED WIRE MULTIPLEX CONTROL UNIT OFF OFF DOOR ON DOOR PASSENGER'S DOOR SWITCH REAR CEILING LIGHT RED WIRE RED/WHT WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SPOTLIGHTS TRUNK LATCH SWITCH TRUNK LIGHT TRUNK SWITCH UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX WHT/BLK WIRE WHT/BLU WIRE YEL/RED WIRE

BLK WIRE CEILING LIGHT D/L SIL-CON SW (LOCK) DOOR DOOR LOCKS SYSTEM DOOR SWITCH (ON RIGHT "B" PILLAR) DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH FR DOOR SW (AS) FR DOOR SW (DR) FRONT PASSENGER'S FUSE FUSE 3 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IG KEY LT IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION KEY SWITCH/KEY LIGHT (IN STEERING COLUMN COVER) INTR LT- KEY SW LEFT REAR DOOR SWITCH LT GRN/RED WIRE MULTIPLEX CONTROL UNIT OFF ON OFF RED WIRE RED/WHT WIRE RIGHT REAR DOOR SWITCH RR DOOR SW SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SPOTLIGHTS 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) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/ORG WIRE CEILING LIGHT/SPOTLIGHTS D/L SW DOOR LOCKS SYSTEM DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH FR DOOR SWITCH FRONT PASSEN- GER'S DOOR SWITCH FUSE 3 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTR LT- KEY LT- KEY SW KEYLESS COM KEYLESS RECEIVER UNIT (UNDER CENTER OF DASH) LEFT REAR DOOR SWITCH LT GRN/RED WIRE MULTIPLEX CONTROL UNIT OFF OFF CEILING LIGHT OFF DOOR ON DOOR ON SPOT- LIGHTS OFF REAR CEILING LIGHT REAR DOOR SWITCHES RED WIRE RED/WHT WIRE RIGHT REAR DOOR SWITCH SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) TRUNK LATCH SWITCH TRUNK LIGHT TRUNK SWITCH UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX WHT/BLK WIRE WHT/BLU WIRE YEL/RED WIRE

2 1 (SEDAN) (COUPE) 3 1 (COUPE) (SEDAN) BLK WIRE CEILING LIGHT D/L SIL-CON SW DOOR DOOR LOCKS SYSTEM DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH FR DOOR SWITCH FRONT PASSENGER'S DOOR SWITCH FUSE 3 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION LEY SWITCH/KEY LIGHT INTR LT- KEY LT- KEY SW LEFT REAR DOOR SWITCH (SEDAN) LT GRN WIRE LT GRN/RED WIRE MULTIPLEX CONTROL UNIT OFF REAR DOOR SWITCHES RED WIRE RED/WHT WIRE RIGHT REAR DOOR SWITCH (SEDAN) SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SEDAN SPOTLIGHTS TRUNK LATCH SWITCH TRUNK LIGHT TRUNK SWITCH UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX WHT/BLK WIRE WHT/BLU WIRE YEL/RED WIRE

ABS INDICATOR CIRCUIT ABS INDICATOR ANTI-LOCK BRAKES SYSTEM HEADLIGHTS SYSTEM (CANADA) BEEPER BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER RESERVOIR) BRAKE LEVEL SW BRAKE SYSTEM INDICATOR BUS (SEFMJ) BUS METER CANADA CHARGING SYSTEM INDICATOR CIRCUIT DIAMETER CRUISE CONTROL INDICATOR CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM EXTERIOR LIGHTS SYSTEM DIMMER CIRCUIT DOOR LOCKS SYSTEM DRIVE CIRCUIT DRL CONTROL UNIT DRL INDICATOR ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM EXCEPT CVT CVT FUEL GAUGE SENDING UNIT FUEL TANK UNIT (ON TOP OF FUEL TANK) FUSE 10 FUSE 4 GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED (OR GRN/ORG) WIRE GRN/RED WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HOT IN ON OR START IMMOBILIZER CONTROL UNIT -RECEIVER (IN STEERING COLUMN COVER) IMMOBILIZER SYSTEM INDICATOR JUNCTION JUNCTION CONNECTOR LCD/DUAL DIAMETER CIRCUIT LEFT TURN SIGNAL INDICATOR LOW FUEL INDICATOR LOW OIL PRESSURE INDICATOR MAINTENANCE REQUIRED INDICATOR MALFUNCTION INDICATOR METER MULTIPLEX CONTROL UNIT OIL PRESSURE SWITCH (NEAR OIL FILTER) ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARK LEVER) (BEHIND LEFT SIDE OF FRONT BUMPER) PNK WIRE PNK/BLU WIRE POINTER POWER CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT TURN SIGNAL INDICATOR SEAT BELT REMINDER INDICATOR SIDE AIR BAG CUT-OFF INDICATOR SRS INDICATOR SRS INDICATOR CIRCUIT SUPPLEMENTAL RESTRAINTS SYSTEM SWITCH TRIP/RESET TO CPU (DIAGRAM 2 OF 2) TO GAUGE LIGHTS (DIAGRAM 2 OF 2) TRUNK OPEN INDICATOR UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) USA VSS (EXCEPT CVT) (ON TRANSMISSION HOUSING) WASHER LEVEL INDICATOR (CANADA) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/RED WIRE

AUDIO UNIT BLK WIRE BLU WIRE COMBINATION LIGHT SWITCH CRUISE CONTROL MAIN SWITCH (EXCEPT DX) EXCEPT HATCHBACK FUSE 2 GAUGE ASSEMBLY GAUGE LIGHTS GAUGES/ INDICATORS GX, DX HAZARD WARNING SWITCH HEADLIGHT SWITCH HEATER CONTROL PANEL HOT AT ALL TIMES HX, LX, EX LCD BACK LIGHT MOONROOF SWITCH (EX) MULTIPLEX CONTROL UNIT ODO/TRIP LCD BACK LIGHT STABILIZING POWER CIRCUIT OFF PARK HEAD PARKING PIN/ SHIFT SWITCH (BESIDE A/T SHIFT LEVER) POWER MIRROR SWITCH (EXCEPT DX) RECIRC-A/C- REAR DEFOGGER SWITCH ASSEMBLY RED WIRE RED/BLK WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SIDE OF DASH) SMALL LT RLY- SOLID STATE TAILLIGHT RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT UNDER-HOOD FUSE/RELAY BOX WHT/GRN WIRE

AUDIO UNIT BLK WIRE BLU WIRE CLIMATE CONTROL UNIT COMBINATION LIGHT SWITCH CRUISE CONTROL MAIN SWITCH DASH LIGHTS BRIGHTNESS CONTROLLER DRIVER CIRCUIT FUSE 3 GAUGE ASSEMBLY GAUGE LIGHTS (5 LEDS) GRN WIRE HAZARD WARNING SWITCH HEADLIGHT SWITCH HOT AT ALL TIMES ILLUM 1+ LCD BACK LIGHT MULTIPLEX CONTROL UNIT ODO/TRIP LCD BACK LIGHT STABILIZING POWER CIRCUIT OFF PARK HEAD PARKING PIN/ SHIFT SWITCH (CVT) (BEHIND A/T SHIFT LEVER) POWER MIRROR SWITCH REAR WINDOW DEFOGGER SWITCH RECIR-A/C-ECON SWITCH ASSEMBLY RED WIRE RED/BLK WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SMALL SMALL LT RLY- TAILLIGHT RELAY UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX WHT WIRE WHT/GRN WIRE

A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY ABS MODULATOR CONTROL UNIT (EX, GX) ALTERNATOR AUDIO UNIT BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE PEDAL POSITION HAZARD WARNING SWITCH CARLINK INTERFACE BOX CONNECTOR DLC EPS CONTROL UNIT EX,DX,LX EXCEPT EX EXCEPT EX, HX, LX EXCEPT HATCHBACK FROM BATTERY (DIAGRAM 1 OF 4) FUSE 1 FUSE 10 FUSE 8 FUSE 18 FUSE 19 FUSE 2 ELECTRICAL LOAD DETECTOR (ELD) UNIT (USA) FUSE 20 FUSE 3 FUSE 4 FUSE 6 FUSE 7 FUSE 5 FUSE 9 GAUGE ASSEMBLY GRN WIRE HATCHBACK HORN RELAY IGNITION KEY SWITCH/ KEY LIGHT IMMOBILIZER CONTROL UNIT- RECEIVER INJECTOR RELAY KEYLESS RECEIVER UNIT MULTIPLEX CONTROL UNIT PGM-FI MAIN RELAY 1 RADIATOR FAN RELAY REAR CEILING LIGHT RED WIRE RED/ WHT WIRE SPOTLIGHTS CEILING LIGHT STARTER STARTER SOLENOID SWITCH TAILLIGHT RELAY TO IGNITION SWITCH (DIAGRAM 3 OF 4) TO UNDERHOOD FUSE/RELAY BOX TO UNDERHOOD FUSE/RELAY BOX (HEADLIGHT RELAY 2) (DIAGRAM 2 OF 4) TRUNK LIGHT UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) W/ CARLINK WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE

A/F SENSOR RELAY (HX, DX, EX, LX) BLOWER MOTOR RELAY CANADA DRL CONTROL UNIT EXCEPT DX FROM UNDERHOOD FUSE/RELAY BOX FUSE 11 (SEDAN) (COUPE) FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 FUSE 2 FUSE 3 FUSE 5 (NOT USED) FUSE 7 GRN WIRE HATCHBACK HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 MOONROOF CLOSE RELAY MOONROOF OPEN RELAY MULTIPLEX CONTROL UNIT POWER WINDOW RELAY REAR WINDOW DEFOGGER RELAY RED/BLU WIRE SECURITY CONTROL UNIT SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) W/O ACCESSORY INSTALLED W/ ACCESSORY INSTALLED WHT WIRE WHT/BLK WIRE WHT/RED WIRE

5 1 (HATCHBACK) (OTHER) A/T ABS MODULATOR CONTROL UNIT ACCESSORY POWER SOCKET AUDIO UNIT BACKUP LIGHT SWITCH (M/T) BLK RED/ WIRE BLK WIRE BLK/ WHT WIRE BLK/ YEL WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL (OR BLU) WIRE BLK/YEL WIRE BLOWER MOTOR RELAY CANADA CARLINK CARLINK INTERFACE BOX CONNECTOR DRL CONTROL UNIT FROM UNDERDASH FUSE/RELAY BOX (DIAGRAM 1 OF 4) FUSE 10 FUSE 11 FUSE 12 FUSE 13 MULTIPLEX CONTROL UNIT FUSE 14 FUSE 17 FUSE 18 FUSE 19 FUSE 8 FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE HAZARD WARNING SWITCH IGNITION SWITCH KEYLESS RECEIVER UNIT (EX, LX, GX, HATCHBACK) LT GRN WIRE MULTIPLEX CONTROL UNIT MULTIPLEX CONTROL UNIT FUSE 20 ON LOCK OFF OPDS UNIT (SIDE AIR BAG) PGM-FI MAIN RELAY 2 SRS UNIT ECM/ PCM PNK (OR BLU) WIRE POWER MIRROR SWITCH (EXCEPT DX) RADIATOR FAN RELAY CONDENSER FAN RELAY A/C COMPRESSOR CLUTCH RELAY REAR WINDOW DEFOGGER RELAY REAR WINDOW WIPER INTERMITTENT CONTROL UNIT WIPER/ WASHER SWITCH REAR WINDOW WIPER MOTOR RECIRCULATION CONTROL MOTOR HEATER CONTROL PANEL SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) SHIFT LOCK A/T REVERSE RELAY SOLENOID SRS UNIT EPS CONTROL UNIT STARTER CUT RELAY TO UNDER -DASH FUSE/ RELAY BOX (DIAGRAM 4 OF 4) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) W/ CARLINK WHT RED/ WIRE WHT WIRE WHT/RED WIRE WIPER/ WASHER SWITCH WINDSHIELD WIPER MOTOR YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE