Honda Civic VII facelift (2003-2006) security control unit connector (optional) (under left side of dash) Wiring diagrams

+B BACK UP ABS MODULATOR CONTROL UNIT (RIGHT SIDE OF ENGINE COMPT) ANTI-THEFT SYSTEM B+ DAY LT B+ DAY LT H/L LOW FR WIPER (AS) ILLUMINATION + KEYLESS COM BEEPER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN/YEL WIRE BUS (ECU) ILU CANADA COMMU- NICATION D/L REMOTE SW (LOCK) D/L REMOTE SW (UNLOCK) D/L SIL-CON SW (LOCK) DIMMER HIGH SMALL LT RLY- ATP-P DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS DRL H/L SW IMMOBI CORD EXTERIOR LIGHTS, CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS INTERIOR LIGHTS SYSTEM FR WIPER (INT) IG KEY LT- EBD K/L UNSET K/L SET FR WIPER INT UNIT FR WIPER INT VOL - FR WIPER INT VOL + KEY SW FUSE 12 FUSE 20 FUSE 3 FUSE 8 FUSE 10 FUSE 9 GAUGE ASSEMBLY GND SHIFT LOCK SOL P PIN SW GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GROUND GROUND MPCS CHK H/L HI HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS, ANTI-THEFT SYSTEMS HORN SW +B DOOR LOCK FR WASHER MTR HORNS SYSTEM HOT AT ALL TIMES HOT IN HOT IN ON OR HOT IN ON HOT IN ON OR IGNITION KEY LIGHT IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT (IN STEERING COLUMN COVER) INTERIOR LIGHTS, ANTI-THEFT SYSTEMS KEY LOCK SOL + LIGHTING RLY- BRAKE LEVEL SW LT GRN/BLK WIRE LT GRN/RED WIRE METER MULTIPLEX CONTROL UNIT MULTIPLEX CONTROL UNIT SERVICE CHECK CONNECTOR OR ON ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM HEADLIGHTS SYSTEM SOUND SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEM TRANSMISSION CONTROL MODULE (CVT) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) FUSE 16 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

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

A/T A/T EXCEPT CVT A/T EXCEPT CVT, CVT BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU (OR LT GRN) WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CABLE REEL (ON STEERING COLUMN) CANCEL SWITCH CLUTCH PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) COUPE LX, EX CRUISE CONTROL ACTUATOR (USA HX, SEDAN LX, EX, GX) (RIGHT SIDE OF CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SET/RESUME CANCEL SWITCH CRUISE CONTROL SWITCH LIGHT CRUISE INDICATOR CVT ECM/PCM (BEHIND GLOVE BOX) EXCEPT CVT EXCEPT HX, LX, EX FUSE 10 FUSE 4 FUSE 7 GAUGE ASSEMBLY GRN WIRE GRY WIRE GRY/RED WIRE HORN RELAY HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR START HX, LX, EX JUNCTION JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE M/T MULTIPLEX CONTROL UNIT OF ENGINE COMPT) OFF ON INDICATOR ORG/ WIRE PCM (BEHIND GLOVE BOX) PNK WIRE RED WIRE RESUME + SWITCH SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SET SWITCH STEERING WHEEL) TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) USA HX, SEDAN LX, EX, GX COUPE LX, EX VSS (ON TRANSMISSION HOUSING) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLU WIRE COMBINATION LIGHT SWITCH FUSE 19 FUSE 2 FUSE 5 GAUGE ASSEMBLY GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD WARNING SWITCH HAZARD WARNING SWITCH LIGHT HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN ON OR START LEFT LEFT FRONT TURN SIGNAL/ SIDE MARKER/ PARKING LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT TURN SIGNAL INDICATOR MULTIPLEX CONTROL UNIT OFF OFF PARK HEAD RED WIRE RED/BLK WIRE RED/YEL WIRE RIGHT RIGHT FRONT TURN SIGNAL/ SIDE MARKER/ PARKING LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT TURN SIGNAL INDICATOR SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) TAILLIGHT RELAY TO BRAKE LIGHT/ TAILLIGHTS TURN SIGNAL SWITCH TURN SIGNAL/ HAZARD RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT/BLK WIRE WHT/GRN WIRE YEL/BLK 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 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)