Honda Civic VIII facelift (2008-2011) computer data lines system Wiring diagrams

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

: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

BEEPER BLK WIRE BLU WIRE BODY CONTROLLER NETWORK TRANSCEIVER BRIGHTEN SWITCH BRN WIRE CHARGE/ASSIST GAUGE IMA BATTERY LEVEL GAUGE CIRCUIT COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DASH LIGHTS BRIGHTNESS CONTROLLER DIMMING SWITCH DRIVE CIRCUIT ENGINE COOLANT TEMP. GAUGE (LCD) ENGINE COOLANT TEMP. GAUGE BRIGHTNESS CONTROL AND DIMMING CIRCUIT FAST CONTROLLER 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 LCD BACK LIGHT LCD DRIVER LEFT TURN SIGNAL IND LOW FUEL IND LT GRN WIRE MPH/ KM/H SWITCH SENDING MULTI-INFORMATIONAL DISPLAY (MID) UNIT ORG/ WIRE PNK WIRE PPL RED WIRE RIGHT TURN SIGNAL IND SEAT HEATERS SECURITY IND SECURITY INDICATOR BLINKING CIRCUIT SELECT/ RESET SWITCH SPEEDO SPEEDOMETER (LCD) SPEEDOMETER BRIGHTNESS CONTROL AND DIMMING CIRCUIT TACHOMETER TACHOMETER TACH TO PIN 17 (DIAGRAM 2 OF 2) TO PPL WARNING DRIVE CIRCUIT (DIAGRAM 2 OF 2) TURN SIGNAL/ HAZARD RELAY 2 UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VSA OFF SWITCH (LEFT SIDE OF DASH) WARNING DRIVE CIRCUIT WASHER FLUID LEVEL SWITCH (CANADA) WHT WIRE YEL WIRE

AIR CONDITIONING SYSTEM APP SENSOR (UNDER LEFT SIDE OF DASH) BKSWNC BKSW CRMTCLS WEN BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CAN-H- CAN-L- CLUTCH PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ECM/PCM (LEFT SIDE OF ENGINE COMPT) ELD UNIT ETCS CONTROL RELAY ETCSRLY SUB RLY PSPSW ELD FANL FANH MRLY FTP SENSOR (UNDER LEFT SIDE OF FLOOR) FTP SLS PNK WIRE FUSE 11 FUSE 12 FUSE 18 FUSE 19 FUSE 21 GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IGNITION COIL RELAY IGP IMOFLR ACPD APSA APSB LT BLU WIRE LT GRN WIRE M/T MAF/IAT SENSOR (LEFT REAR OF ENGINE COMPT) OIL PRESSURE SWITCH (TOP LEFT REAR OF ENGINE) ORG/ WIRE PGM-FI MAIN RELAY 1 PGM-FI SUB- RELAY PNK WIRE POWER DISTRIBUTION PPL PPL 5 6 PPL PPL PSP SWITCH (EXCEPT CANADA M/T: DX-GA) RED WIRE RED/BLU WIRE RED/YEL WIRE SCS SHIFT INTERLOCK SYSTEM SYSTEM UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VSSOUT VSSV WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED 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

AIR CONDITIONING SYSTEM APP SENSOR (UNDER LEFT SIDE OF DASH) BAROMETER SENSOR FANL FANH MRLY BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN H CAN L COOLING FANS SYSTEM ELD UNIT (USA) ETCS CONTROL RELAY ETCSRLY SUB RLY PSPSW ELD EXTERIOR LIGHTS SYSTEM BKSWNC BKSW CRMTCLS WEN INJMODE FTP SENSOR (BEHIND REAR SEAT) FTP SLS PNK SHIFT INTERLOCK SYSTEM WIRE FTT SENSOR (BEHIND REAR SEAT) FUEL RAIL PRESSURE SENSOR (UNDER RIGHT REAR OF ENGINE COMPT) FUEL TEMPERATURE SENSOR (REAR OF ENGINE) FUSE 11 FUSE 12 FUSE 18 FUSE 19 FUSE 21 GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IGNITION COIL RELAY IGP LT BLU WIRE LT GRN WIRE MAF/IAT SENSOR (LEFT REAR OF ENGINE COMPT) MULTI FUSE 1 OIL PRESSURE SWITCH (TOP LEFT REAR OF ENGINE) ORG/ WIRE PCM (LEFT SIDE OF ENGINE COMPT) PGM-FI MAIN RELAY 1 PGM-FI SUB- RELAY PNK WIRE POWER DISTRIBUTION SYSTEM PPL PSP SWITCH (RIGHT SIDE OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/YEL WIRE SCS STARTING/ CHARGING SYSTEM UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VSS OUT CRUISE CONTROL SYSTEM VSSV WHT WIRE YEL 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

BATTERIES 1-12 BATTERIES 13-22 BATTERY CURRENT SENSOR BATTERY MODULE BATTERY MODULE FUSE BATTERY MODULE SWITCH BATTERY MODULE TEMPERATURE SENSOR BCM MODULE (BEHIND IPU LID) BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BYPASS CONTRACTOR BYPASS RESISTOR CNTPG COMPUTER DATA LINES SYSTEM DLC (UNDER LEFT SIDE OF DASH) ENGINE FANCTL GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HIGH VOLTAGE CONNECTOR IGHLD IMACANL IPU MODULE FAN (BEHIND IPU LID) ISOC + NFAN SCIDB SCIBD IMACANH CAN-L ISOC - WEN SCS JUNCTION BOARD JUNCTION BOARD CONNECTOR LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK 1 2 3 4 PPL WIRE PNK WIRE PPL PPL PPL PRE CNT RED WIRE RED/WHT WIRE SGTB UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VBU WHT WIRE YEL WIRE YEL/BLK WIRE