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

BATTERY BLK WIRE BRN WIRE CANADA CKP SENSOR CMP SENSOR DLC ELECTRICAL LOAD DETECTOR (ELD) UNIT ENGINE EPS UNIT IAC VALVE IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 KNOCK SENSOR SHIELD MULTIPLEX CONTROL UNIT MULTIPLEX CONTROL UNIT SERVICE CHECK CONNECTOR REAR WINDOW WASHER MOTOR RIGHT FRONT PARKING LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT TURN SIGNAL LIGHT TDC SENSOR TOP OF ENGINE) TRANSMISSION TURN/ SIGNAL HAZARD RELAY POWER WINDOW RELAY UNDERHOOD FUSE/RELAY BOX VSS VTEC OIL PRESSURE SWITCH VTEC SOLENOID VALVE WINDSHIELD WASHER FLUID LEVEL SWITCH WINDSHIELD WASHER MOTOR WINDSHIELD WIPER MOTOR YEL WIRE

ACCESSORY POWER SOCKET BLK WIRE BLU WIRE CANADA DRIVER'S SEAT BELT SWITCH FUEL GAUGE SENDING UNIT FUEL PUMP FUEL TANK UNIT GAUGE ASSEMBLY HATCH LATCH SWITCH KEYLESS RECEIVER UNIT LEFT BRAKE LIGHT/ TAILLIGHT LEFT REAR SIDE MARKER LIGHT RIGHT REAR SIDE MARKER LIGHT LEFT REAR TURN SIGNAL LIGHT MES CONNECTOR MULTIPLEX CONTROL UNIT OPDS UNIT PASSENGER'S SEAT BELT SWITCH REAR WINDOW WIPER INTERMITTENT CONTROL UNIT REAR WINDOW WIPER MOTOR REAR WINDOW DEFOGGER REAR WINDOW WIPER NOISE CONDENSER RIGHT BACK-UP LIGHT LEFT BACK-UP LIGHT RIGHT BRAKE LIGHT/ TAILLIGHT RIGHT POWER MIRROR RIGHT REAR TURN SIGNAL LIGHT RIGHT SIDE TURN SIGNAL LIGHT UNDERDASH FUSE/RELAY BOX W/SIDE AIRBAG WHT WIRE

A/C CONDENSER FAN MOTOR ABS MODULATOR CONTROL UNIT BLK WIRE BLOWER MOTOR RELAY BRAKE FLUID LEVEL SWITCH CRUISE CONTROL ACTUATOR CRUISE CONTROL MAIN SWITCH CRUISE CONTROL UNIT DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S POWER WINDOW MOTOR ELD UNIT GAUGE ASSEMBLY GND GND GRN WIRE LEFT FRONT TURN SIGNAL/ SIDE MARKER/ PARKING LIGHT LEFT HEADLIGHT MULTIPLEX CONTROL INSPECTION CONNECTOR MULTIPLEX CONTROL UNIT POWER MIRROR SWITCH POWER WINDOW MASTER SWITCH POWER WINDOW RELAY RADIATOR FAN MOTOR RADIATOR FAN SWITCH RIGHT FRONT TURN SIGNAL/ SIDE MARKER/ PARKING LIGHT RIGHT HEADLIGHT TURN SIGNAL/ HAZARD RELAY WHT WIRE WINDSHIELD WASHER MOTOR WINDSHIELD WIPER MOTOR

+B DAY LT/ FR FOG BLK WIRE BLU WIRE BLU/RED WIRE BRAKE LEVEL SWITCH BRAKE SYSTEM INDICATOR BRN WIRE CARLINK INTERFACE BOX CONNECTOR (UNDER MIDDLE OF DASH) COMBINATION LIGHT SWITCH DIMMER HI HEAD LT HI BUS DIMMER SWITCH DRIVE CIRCUIT DRL CONTROL UNIT DRL DIODE DRL H/L SW DRL IND DRL RELAY DX, GX FOG LIGHT FUSE (UNDER LEFT SIDE OF DASH) FOG LIGHT RELAY 1 (LEFT END OF DASH) FOG LIGHT RELAY 2 (LEFT END OF DASH) FOG LIGHT SWITCH FOG LIGHT SWITCH LIGHT FUSE 10 FUSE 12 FUSE 14 FUSE 15 FUSE 17 FUSE 19 FUSE 3 GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE HEAD HEAD LT LOW HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HIGH BEAM IND HOT AT ALL TIMES HOT IN ON HOT IN ON OR START HX, LX, EX INSTRUMENT CLUSTER SYSTEM LEFT FOG LIGHT RIGHT FOG LIGHT LEFT HEADLIGHT LIGHT RELAY LO HI MULTIPLEX CONTROL UNIT OFF FLASH-TO- PASS SWITCH OFF HEADLIGHT SWITCH ON IND. ORG/ WIRE PARK PARKING BRAKE SWITCH (AT BASE OF PARK LEVER) RED GRN/ WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLIGHT SEDAN, COUPE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

BLK RED/ WIRE BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMBINATION LIGHT SWITCH DIMMER HI H/L HI DIMMER SWITCH DRL H/L SW DX, GX HX, LX, EX ELD UNIT FOG LIGHT DIODE (UNDER LEFT SIDE OF DASH, NEAR UNDER-DASH FUSE/RELAY BOX) FOG LIGHT FUSE FOG LIGHT RELAY 1 (LEFT END OF DASH) FOG LIGHT RELAY 2 (LEFT END OF DASH) FOG LIGHT SWITCH FOG LIGHT SWITCH LIGHT FUSE 14 FUSE 15 FUSE 17 FUSE 19 GAUGE ASSEMBLY H/L LOW HEAD HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HI LO HIGH BEAM IND HOT AT ALL TIMES HX, LX, EX DX, GX LEFT FOG LIGHT LEFT HEADLIGHT LIGHT RELAY MULTIPLEX CONTROL UNIT OFF FLASH-TO- PASS SWITCH ON IND. PARK OFF HEAD PARK OFF HEADLIGHT SWITCH RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEADLIGHT SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SEDAN, COUPE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/RED WIRE YEL RED/ WIRE

B+ DAY LT BLK WIRE BLU WIRE BLU/RED WIRE BRAKE FLUID LEVEL SWITCH BRAKE LEVEL SWITCH BUS METER COMBINATION LIGHT SWITCH DIMMER HI DIMMER SWITCH DRIVER CIRCUIT DRL CONTROL UNIT (UNDER LEFT SIDE OF DASH) DRL DIODE (RIGHT SIDE OF DASH) DRL H/L SW DRL RELAY (UNDER MIDDLE OF DASH) FUSE 10 FUSE 12 FUSE 15 FUSE 17 FUSE 19 FUSE 3 GAUGE ASSEMBLY GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HEADLT HI HEADLT LOW HIGH BEAM INDIC HOT AT ALL TIMES HOT IN ON HOT IN ON OR START LEFT HEADLIGHT LIGHT RELAY MULTIPLEX CONTROL UNIT OFF FLASH-TO- PASS SWITCH OFF HEADLIGHT SWITCH PARK PARKING BRAKE SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT SECURITY CONTROL UNIT CONNECTOR UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON RIGHT SIDE OF ENGINE COMPARTMENT) WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/RED WIRE COMBINATION LIGHT SWITCH DIMMER HI DIMMER SWITCH DRL H/L SW FOGLIGHT IN-LINE FUSE (BEHIND LEFT SIDE OF DASH, NEAR UNDERDASH FUSE/ RELAY BOX) FOGLIGHT ON INDICATOR FOGLIGHT RELAY 1 (BEHIND LEFT KICK PANEL) FOGLIGHT RELAY 2 (BEHIND LEFT KICK PANEL) FOGLIGHT SWITCH FOGLIGHT SWITCH LIGHT FUSE 14 FUSE 15 FUSE 17 FUSE 19 GAUGE ASSEMBLY HEADLIGHTS RELAY 1 HEADLIGHTS RELAY 2 HEADLT HI HEADLT LOW HIGH BEAM INDIC HOT AT ALL TIMES LEFT FOGLIGHT LEFT HEADLIGHT LIGHT RELAY MULTIPLEX CONTROL UNIT OFF OFF FLASH-TO- PASS SWITCH OFF HEADLIGHT SWITCH PARK RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOGLIGHT RIGHT HEADLIGHT SECURITY CONTROL UNIT CONNECTOR UNDERDASH FUSE/RELAY BOX (BEHIND LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/RED WIRE

B+ DAY LT BLK WIRE BLU WIRE BLU/RED WIRE BRAKE LEVEL SWITCH BRAKE SYSTEM INDICATOR BUS - COMBINATION LIGHT SWITCH DIMMER HI DIMMER SWITCH DRL CONTROL UNIT DRL DIODE DRL H/L SW DRL INDICATOR DRL RELAY ELD UNIT FUSE 10 FUSE 12 FUSE 15 FUSE 17 FUSE 19 FUSE 3 GAUGE ASSEMBLY GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE H/L HI H/L LOW HEAD PARK HEAD PARK OFF HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HEADLIGHT SWITCH HI LO HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ON HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM LEFT HEADLIGHT LIGHT RELAY LO HI MULTIPLEX CONTROL UNIT OFF OFF FLASH-TO- PASS SWITCH PARKING BRAKE SWITCH (AT BASE OF PARK LEVER) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLIGHT SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/RED WIRE COMBINATION LIGHT SWITCH DIMMER HI DIMMER SWITCH DRL H/L SW ELD UNIT FUSE 15 FUSE 17 FUSE 19 GAUGE ASSEMBLY H/L HI H/L LOW HEAD HEADLIGHT RELAY 1 HEADLIGHT RELAY 2 HI LO HIGH BEAM INDICATOR HOT AT ALL TIMES LEFT HEADLIGHT LIGHT RELAY MULTIPLEX CONTROL UNIT OFF FLASH-TO- PASS SWITCH PARK OFF HEAD PARK OFF HEADLIGHT SWITCH RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT HEADLIGHT SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT)

BLU/RED WIRE BRN WIRE CABLE REEL CRUISE CONTROL SET/ RESUME CANCEL SWITCH FUSE 7 HORN (BEHIND LEFT SIDE OF FRONT BUMPER) HORN RELAY HORN SW HORN SWITCH HOT AT ALL TIMES MULTIPLEX CONTROL UNIT NCA WIRE ORG/ WIRE RED WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) STEERING WHEEL) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/ RELAY BOX (ON LEFT SIDE OF ENGINE COMPARTMENT)