Honda Civic VIII facelift (2008-2011) (near under-dash junction box) Wiring diagrams

4 DOOR B-CAN BLK WIRE BLU WIRE BRN WIRE CEILING LIGHT COMPUTER DATA LINES SYSTEM DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH DRSWAS DRSWDR DRSWRA DRSWRD FRONT INDIVIDUAL MAP LIGHTS (USA: GX, LX) FRONT PASSENGER'S DOOR SWITCH (IN RIGHT "B" PILLAR) FUSE 22 GRN WIRE GRY WIRE HOT AT ALL TIMES IG KEY SW IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTR LT- LEFT REAR DOOR SWITCH LOCK LT BLU WIRE LT GRN WIRE MICU OFF OFF PNK DOOR ON WIRE ON OFF PNK WIRE RED WIRE RIGHT REAR DOOR SWITCH SIL DR LOCK SIL DR UNLOCK TRUNK LATCH SWITCH TRUNK LATCH SWITCH (MIDDLE OF TRUNK LID) TRUNK LIGHT TRUNK SW UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK USA: LX, GX WHT (OR LT BLU) WIRE WHT WIRE

3 1 ON 4 DOOR B-CAN BLK WIRE BLU WIRE BRN WIRE CEILING LIGHT COMPUTER DATA LINES SYSTEM DOOR SWITCH (IN RIGHT "B" PILLAR) DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH DRSWAS DRSWDR DRSWRA DRSWRD FRONT INDIVIDUAL MAP LIGHTS FRONT PASSENGER'S FUSE 22 GRN WIRE GRY WIRE HOT AT ALL TIMES IG KEY SW IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTERIOR LIGHT SWITCH INTR LT- LATCH SWITCH (MIDDLE OF TRUNK LID) LEFT REAR DOOR SWITCH LOCK LT BLU WIRE LT GRN WIRE MICU MOONROOF SWITCH OFF OFF PNK DOOR ON WIRE ON OFF PNK WIRE RED WIRE RIGHT REAR DOOR SWITCH SIL DR LOCK SIL DR UNLOCK TRUNK LID OPENER SOLENOID TRUNK LIGHT TRUNK SW UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK WHT (OR LT BLU) WIRE WHT WIRE

1 3 3 1 (2-DR) (EXCEPT 2-DR) BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE COMBINATION LIGHT SWITCH EXCEPT GX GX FUSE 10 FUSE 12 FUSE 15 FUSE 19 FUSE 23 GAUGE CONTROL MODULE (SPEEDO) GRN WIRE GRY WIRE H/L ON SW H/L OFF SW SMALL LT SW COMBI GDN TURN R SW TURN L SW HAZ SW HEAD HEADLIGHT SWITCH HOT AT ALL TIMES LEFT LEFT FRONT SIDE MARKER/ PARKING/ TURN SIGNAL LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT TURN SIGNAL INDICATOR LT GRN WIRE MICU OFF HEAD ORG/ WIRE P-GND P-GND P-GND PARK PARK OFF PNK WIRE RED WIRE RELAY 2 (SOUNDER) TURN SIGNAL/HAZARD RIGHT RIGHT FRONT SIDE MARKER/ PARKING/ TURN SIGNAL LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT TURN SIGNAL INDICATOR S GND TAILLIGHT RELAY TURN SIGNAL SWITCH TURN SIGNAL/ HAZARD FLASHER CIRCUIT UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU WHT WIRE YEL WIRE

2 1 (4-DOOR: SI) 2-DOOR: USA: EX; EX-L; 4-DOOR: SI 4 DOOR AUDIO AUDIO AUDIO AUDIO SHIELD SHIELD SHIELD SHIELD BLK WIRE BLU WIRE CABLE REEL DRIVER'S SEAT CUSHION HEATER DRIVER'S SEAT HEATER RELAY (HIGH) DRIVER'S SEAT HEATER RELAY (LOW) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 3) FRONT DRIVER'S PASSENGER'S SEAT BELT SEAT BELT BUCKLE BUCKLE SWITCH SWITCH FRONT FRONT PASSENGER'S PASSENGER'S SEAT SEAT HEATER CUSHION HEATER RELAY (LOW) FRONT PASSENGER'S SEAT HEATER RELAY (HIGH) GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRY WIRE HEATER CONTROL PANEL/ HAVC IGNITION CONTROL KEY UNIT SWITCH HIGH MOUNT BRAKE LIGHT LT GRN WIRE MICU SERVICE CHECK CONNECTOR ODS UNIT S GND SRS SHIELD SRS SHIELD SHIELD SRS SRS MICU SHIELD SHIELD TRUNK LID OPENER TRUNK SOLENOID/ LATCH LATCH SWITCH SWITCH WHT WIRE

:EXCEPT DX,DX-VP BEEPER BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRIGHTENING SWITCH BRN WIRE CIRCUIT COMPUTER DATA LINES SYSTEM CONTROLLER AND ODOMETER SELECT/ CRUISE CONTROL SYSTEM DASH LIGHTS BRIGHTNESS DIMMING SWITCH DRIVE CIRCUIT ENGINE COOLANT ENGINE COOLANT TEMP. GAUGE BRIGHTNESS CONTROL AND DIMMING CIRCUIT FAST CONTROLLER AREA NETWORK TRANSCEIVER FUEL GAUGE (LCD) FUEL GAUGE BRIGHTNESS CONTROL AND DIMMING CIRCUIT GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HIGH BEAM DIMMING CIRCUIT HIGH BEAM IND LCD BACK LIGHT LCD DRIVER LEFT TURN SIGNAL IND LOW FUEL IND LT GRN WIRE MPH/ KM/H SWITCH MULTI-INFORMATIONAL DISPLAY (MID) UNIT LCD ORG/ WIRE PNK WIRE POINTER BRIGHTNESS CONTROL AND DIMMING CIRCUIT PPL RED WIRE RESET SWITCH RIGHT TURN SIGNAL IND SECURITY IND SECURITY INDICATOR BLINKING CIRCUIT SELECT/ RESET SWITCH SPEEDO SPEEDOMETER (LCD) SPEEDOMETER BRIGHTNESS CONTROL AND DIMMING CIRCUIT TACHOMETER TEMP. GAUGE (LCD) TO PIN 17 (DIAGRAM 2 OF 2) TO WARNING DRIVE CIRCUIT (DIAGRAM TACH 2 OF 2) TURN SIGNAL/ HAZARD RELAY 2 UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WARNING DRIVE CIRCUIT WASHER FLUID LEVEL SWITCH (CANADA) WHT WIRE YEL WIRE

2 DOOR: LX,USA: EX,EX-L; SI AND ODOMETER SELECT/ RESET BEEPER DRIVE CIRCUIT BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRIGHTENING SWITCH BRN WIRE CIRCUIT COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DASH LIGHTS BRIGHTNESS CONTROLLER DIMMING CIRCUIT DIMMING SWITCH DRIVE CIRCUIT ENGINE COOLANT TEMP. GAUGE BRIGHTNESS CONTROL AND DIMMING CIRCUIT FAST CONTROLLER AREA NETWORK TRANSCEIVER FUEL GAUGE (LCD) FUEL GAUGE BRIGHTNESS CONTROL AND DIMMING CIRCUIT GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HIGH BEAM DIMMING CIRCUIT HIGH BEAM IND LCD BACK LIGHT LCD DRIVER LEFT TURN SIGNAL IND LOW FUEL IND LT GRN WIRE MPH/ KM/H SWITCH MULTI-INFORMATIONAL DISPLAY (MID) UNIT DRIVER LCD ORG/ WIRE PNK WIRE PPL RED WIRE REV LIMIT IND (SI) RIGHT TURN SIGNAL IND SECURITY IND SECURITY INDICATOR BLINKING CIRCUIT SELECT/ RESET SWITCH SPEEDO SPEEDOMETER BRIGHTNESS CONTROL AND DIMMING CIRCUIT SPEEDOMETER ENGINE COOLANT (LCD) TEMP. GAUGE (LCD) SWITCH TACHOMETER TO CRUISE CONTROL DIMMING CIRCUIT (DIAGRAM 2 OF 2) TO PIN 17 (DIAGRAM 2 OF 2) TO WARNING DRIVE CIRCUIT (DIAGRAM TACH 2 OF 2) TURN SIGNAL/ HAZARD RELAY 2 UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VSA OFF SWITCH (EX-L;SI) WARNING DRIVE CIRCUIT WASHER FLUID LEVEL SWITCH (CANADA) WHT WIRE YEL WIRE

+B BACK UP 1 2 3 4 5 USB VBUS USB DATA- USB DATA+ USB GND USB SH 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SAT L- SAT R- 28 30 AC-SO AC-SI 5 4 3 2 1 USB SH USB GND USB DATA+ USB DATA- USB VBUS AC-CLK AMPLIFIER BACK LT- BLK WIRE BLU WIRE BRN WIRE EXCEPT HYBRID GA-NET BUS SH GA-NET BUS- GND GA-NET BUS- GA-NET BUS+ PNK WIRE GPS GPS SH GRN WIRE GRY WIRE HANDS FREE MODULE CIRCUIT LT BLU WIRE MIC SH MIC SIG NAVI GUIDE NAVIGATION UNIT NCA WIRE PNK WIRE RED WIRE SAT L+ SAT R+ SAT SH GND GA-NET BUS SH SYS ACC +B SAT L- SAT R- SAT SH GND SYS ACC USB USB ADAPTER UNIT USB JACK WHT WIRE YEL WIRE

A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A (ON TRANSMISSION HOUSING) A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B (ON TRANSMISSION HOUSING) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER FAST CONTROLLER AREA NETWORK TRANSCEIVER FUSE 10 GAUGE CONTROL MODULE (TACH) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START MICU OF DASH) MIL IND ORG/ WIRE RED WIRE RED/YEL WIRE SHIFT CONTROL SOLENOID VALVE B SHIFT SHIFT CONTROL CONTROL SOLENOID SOLENOID VALVE D VALVE A TRANSMISSION FLUID PRESSURE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WARNING DRIVE CIRCUIT WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

8 9 10 11 12 13 PPL A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A (ON TRANSMISSION HOUSING) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER FAST CONTROLLER AREA NETWORK TRANSCEIVER FUEL INJECTOR CONTROL FUEL INJECTOR CONTROL MODULE FUEL INJECTOR CONTROL MODULE RELAY FUEL PRESSURE REGULATOR (BEHIND SWITCH LEFT (RIGHT REAR KICK OF ENGINE) PANEL) FUEL PRESSURE REGULATOR LEAK CHECK CONNECTOR (FRONT OF ENGINE COMPT) FUEL PRESSURE REGULATOR SHUT-OFF SOLENOID FUSE 10 GAUGE CONTROL MODULE (TACH) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT IN ON OR START INJMODE LT BLU WIRE LT GRN WIRE MICU OF DASH) MIL IND ORG/ WIRE PNK WIRE PPL RED WIRE RED/YEL WIRE SHIFT CONTROL SOLENOID VALVE A SHIFT CONTROL SOLENOID VALVE B TRANSMISSION FLUID PRESSURE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VALVE (RIGHT REAR OF ENGINE) WARNING DRIVE CIRCUIT WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

AIR CONDITIONING SYSTEM APP SENSOR (UNDER LEFT SIDE OF DASH) BKSWNC BKSW CRMTCLS WEN BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BOX (UNDER LEFT END OF DASH) BRN WIRE CAN-H- CAN-L- COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER COOLING FANS SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) ELD ETCS CONTROL RELAY ETCSRLY SUB RLY EVAP CANISTER PURGE VALVE (RIGHT REAR OF ENGINE) EVAP CANISTER VENT SHUT VALVE (UNDER LEFT SIDE OF FLOOR) EXTERIOR LIGHTS SYSTEM ELECTRONIC POWER STEERING SYSTEM CRUISE CONTROL SYSTEM FAST CONTROLLER AREA NETWORK TRANSCEIVER FTP RVSLCK NEP VSSOUT FTP SENSOR (UNDER LEFT SIDE OF FLOOR) FUSE 10 FUSE 11 FUSE 12 ELD UNIT FUSE 18 FUSE 19 FUSE 21 GAUGE CONTROL MODULE (TACH) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION COILS RELAY IGP IMOFPR ACPD APSA LT BLU WIRE LT GRN WIRE MAF/IAT SENSOR (LEFT SIDE OF ENGINE COMPT) MICU MIL IND ORG/ WIRE PGM-FI MAIN RELAY 1 PGM-FI SUB- RELAY PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL PPL (OR PNK) WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE SCS UNDER-DASH FUSE/RELAY UNDER-DASH JUNCTION BOX UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VSV WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE