Honda Civic VIII facelift (2008-2011) (under left side of dash) under-dash junction box Wiring diagrams

APP SENSOR (UNDER LEFT SIDE OF DASH) APSA CAN H CAN L BKSWNC BKSW CRMTCLS AREA NETWORK CONTROLER BLK WIRE BLK/BLU WIRE BLU WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE CLUTCH PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL INDICATOR CRUISE CONTROL MAIN SWITCH INDICATOR CRUISE DIMMING CIRCUIT ECM/PCM (LEFT SIDE OF ENGINE COMPT) ETCSM- ETCSM+ EXCEPT GX GX FUSE 10 FUSE 3 GAUGE CONTROL MODULE (TACH) GAUGES GRN WIRE GRY WIRE HORN RELAY HOT IN ON OR START INDICATORS LT BLU WIRE LT GRN WIRE M/T MICU MRLY IGP ETCSRLY NETWORK TRANSCEIVER FAST CONTROLLER AREA ORG/ WIRE OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR (EXCEPT SI: ON TRANSMISSION HOUSING) POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM PPL PPL APSB RED WIRE RED/BLK WIRE SENSOR INPUT SI EXCEPT SI STABILIZE CIRCUIT TP SENSOR/THROTTLE ACTUATOR (ON THROTTLE BODY) TPSA TPSB TRANSMISSION RANGE SWITCH UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WARNING DRIVE CIRCUIT WHT WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

APP SENSOR (UNDER LEFT SIDE OF DASH) APSA CAN H CAN L BKSWNC BKSW AREA NETWORK CONTROLER ATP-FWD BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL INDICATOR CRUISE CONTROL MAIN SWITCH INDICATOR CRUISE DIMMING CIRCUIT CVT DRIVEN PULLEY SPEED SENSOR (ON TRANSMISSION HOUSING) ETCSM- ETCSM+ ETCSRLY FUSE 10 FUSE 3 GAUGE CONTROL MODULE (TACH) GAUGES GRN WIRE HORN RELAY HOT IN ON OR START INDICATORS LT GRN WIRE MICU MRLY NETWORK TRANSCEIVER FAST CONTROLLER AREA ORG/ WIRE PCM (LEFT SIDE OF ENGINE COMPT) PPL PPL APSB RED WIRE RED/BLK WIRE RED/BLU WIRE SENSOR INPUT STABILIZE CIRCUIT TP SENSOR/THROTTLE ACTUATOR (TOP RIGHT REAR OF ENGINE) TPSA TPSB TRANSMISSION RANGE SWITCH (A/T) (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WARNING DRIVE CIRCUIT WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

1 2 3 MIC+ MIC- MIC ADPT 6 7 MIC+ MIC- 9 7 8 MIC SH MIC SIG- MIC SIG+ AUDIO REMOTE GND BACK SWITCH BLK WIRE BLU WIRE BLUETOOTH TRANSCEIVER BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING WHEEL) COMPUTER DATA LINES SYSTEM EXCEPT HYBRID FUSE 23 FUSE 35 GRN WIRE GRY WIRE HANDS FREE LINK CONTROL UNIT (UNDER CENTER CONSOLE) HFL-VOICE CONTROL SWITCH STEERING WHEEL HFL/NAVI COMM SH HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE MICROPHONE (CENTER FRONT OF ROOF) MICROPHONE (IN ROOF CONSOLE) MOONROOF SWITCH NAVI GUIDE NAVIGATION CIRCUIT NAVIGATION UNIT NOT USED OFF HOOK SWITCH ON HOOK SWITCH ORG/ WIRE ORG/WHT WIRE PNK B-CAN HFL ICON WIRE PNK TELM SIG - TELM SIG SH MIC SIG+ MIC SIG- WIRE PNK WIRE PPL RED WIRE RED/BLK WIRE TALK SWITCH TELM SIG+ MIC SH MIC+ MIC- +B UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) MICU B-CAN UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) PPL VBU WHT WIRE YEL WIRE

2-DR: LX, EX-L, EX, SI 4 DOOR: EXCEPT GX,SI, 2 DOOR: 2 DOOR: EXCEPT EX-L EX-L ACCESSORY 1 ACCESSORY 2 AREA NETWORK CONTROLLER BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRAKE SWITCH BRN WIRE COMBINATION LIGHT SWITCH DIMMER/FLASH- TO-PASS SWITCH DRL FOG LIGHT IND FOG LIGHT RELAY FOG LIGHT SWITCH FR FOG RLY CL- FUSE 10 FUSE 12 FUSE 16 FUSE 13 FUSE 17 FUSE 18 FUSE 21 FUSE 23 FUSE 37 FUSE 6 GAUGE CONTROL MODULE (TACH) (LEFT SIDE OF DASH) GRN WIRE GRY WIRE HEAD HEADLIGHT SWITCH (NEAR UNDER-DASH JUNCTION BOX) HI LO HIGH BEAM CONTROL CIRCUIT HIGH BEAM DIMMING CIRCUIT HIGH BEAM INDICATOR HONDA ACCESSORY HOT AT ALL TIMES HOT AT ALL TIMES UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) HOT IN ON HOT IN ON OR START LEFT FOG LIGHT LEFT HEADLIGHT LO HI LOW BEAM HEADLIGHT RELAY LT BLU WIRE LT GRN (OR ORG) WIRE LT GRN WIRE MICU NOT USED OFF ORG/ WIRE P-GND P-GND P-GND PARK PASSING PNK H/L ON SW H/L OFF SW SMALL LT SW COMBI GND PASSING SW DIM SW FOG LT SW WIRE PNK PNK WIRE PNK WIRE POWER WINDOWS SYSTEM PPL RED WIRE RED/ WHT WIRE RED/BLK WIRE RIGHT FOG LIGHT RIGHT FOG LIGHT (LOWER LEFT SIDE OF ENGINE COMPT) RIGHT HEADLIGHT S GND SMALL LIGHT DIMMING CIRCUIT LIGHTS ON IND STABILIZE CIRCUIT UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU VBU B-CAN WARNING DRIVE CIRCUIT DRL INDICATOR WHT WIRE WHT/RED WIRE

AUDIO REMOTE SWITCH BLK WIRE BLU WIRE BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING COLUMN) CHANNEL DOWN SWITCH DOWN VOLUME EXCEPT HYBRID GA-NET BUS SH GA-NET BUS- GRN WIRE GRN/RED WIRE GRY WIRE INTERIOR LIGHTS SYSTEM LT BLU WIRE MODE SWITCH NCA WIRE PNK 1 2 3 4 WIRE PNK 7 8 WIRE PNK WIRE RED WIRE RED/BLK WIRE SAT L- SAT R- SH (XM) SIG STEERING WHEEL HFL VOICE CONTROL SWITCH SWITCH SWITCH BACK SWITCH UP SYS ACC TALK SWITCH VOLUME- WHT WIRE XM ANTENNA XM RECEIVER (RIGHT SIDE OF TRUNK)

12 13 (OR PNK) WIRE AUDIO REMOTE SWITCH BLK WIRE BLU WIRE BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING WHEEL) CHANNEL DOWN SWITCH DOWN VOLUME GA-NET BUS SH GA-NET BUS- GRN WIRE GRN/RED WIRE GRY WIRE INTERIOR LIGHTS SYSTEM LT BLU WIRE MODE SWITCH NCA WIRE ORG/ WIRE PNK 1 2 3 WIRE PNK 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK WIRE RED WIRE RED/BLK WIRE SAT L- SAT R- SH (XM) SIG STEERING WHEEL HFL VOICE CONTROL SWITCH SWITCH SWITCH BACK SWITCH UP SYS ACC TALK SWITCH VOLUME- WHT WIRE XM ANTENNA XM ANTENNA LEAD CONNECTOR (LEFT REAR OF ROOF) XM RECEIVER (RIGHT SIDE OF TRUNK) YEL WIRE

ALTERNATOR ALTERNATOR MAF/IAT SENSOR AUTOMATIC DIMMING INSIDE MIRROR AUTOMATIC DIMMING INSIDE MIRROR IN-LINE FUSE BLK WIRE BLK/YEL WIRE BLOWER MOTOR RELAY BRAKE PEDAL POSITION SWITCH BRN WIRE DRIVER'S FRONT SEAT PASSENGER'S HEATER SEAT RELAY HEATER (LOW) (HIGH) DRIVER'S SEAT HEATER RELAY (HIGH) DRIVER'S SEAT HEATER RELAY BOX (GX, EX-L) DRIVER'S SEAT HEATER SWITCH (EX-L) ELD UNIT ELD UNIT (USA) BRAKE PEDAL POSITION SWITCH ENGINE EVAP CANISTER PURGE VALVE EVAP CANISTER PURGE VALVE (EXCEPT GX) EX-L EXCEPT EX-L EXCEPT GX FAN CONTROL RELAY FROM IGNITION SWITCH (DIAGRAM 2 OF 5) FROM UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 1 OF 5) FROM UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 2 OF 5) FRONT PASSENGER'S SEAT HEATER (LOW) FRONT PASSENGER'S SEAT HEATER RELAY BOX (GX, EX-L) FRONT PASSENGER'S SEAT HEATER SWITCH (EX-L) FUSE FUSE 3 FUSE 36 FUSE 37 HAC HEATER CONTROL PANEL/ HVAC CONTROL UNIT HEATER CONTROL PANEL/HAVC CONTROL UNIT INJECTOR CONTROL MODULE RELAY LT GRN (OR BLU) WIRE LT GRN WIRE MAF/IAT SENSOR MICU DRL ORG/ WIRE POWER MIRROR DEFOGGER RELAY (EX-L; CANADA: LX, SPORT,SI) POWER MIRROR SWITCH PPL RADIATOR FAN DIODE RADIATOR FAN RELAY REAR A/C WINDOW COMPRESSOR DEFOGGER CLUTCH RELAY RELAY RECIR- CULATION CONTROL MOTOR RED WIRE REVERSE CMP LOCKOUT SENSOR A SOLENOID SECONDARY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH FUSE/RELAY BOX CONNECTOR A UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPARTMENT) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF OF ENGINE COMPARTMENT) YEL WIRE

12 13 (OR PNK) WIRE AUDIO REMOTE SWITCH BLK WIRE BLU WIRE BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING WHEEL) CHANNEL DOWN SWITCH DOWN VOLUME GA-NET BUS SH GA-NET BUS- GRN WIRE GRN/RED WIRE GRY WIRE INTERIOR LIGHTS SYSTEM LT BLU WIRE MODE SWITCH NCA WIRE ORG/ WIRE PNK 1 2 3 WIRE PNK 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK WIRE RED WIRE RED/BLK WIRE SAT L- SAT R- SH (XM) SIG STEERING WHEEL HFL VOICE CONTROL SWITCH SWITCH SWITCH BACK SWITCH UP SYS ACC TALK SWITCH VOLUME- WHT WIRE XM ANTENNA XM ANTENNA LEAD CONNECTOR (LEFT REAR OF ROOF) XM RECEIVER (RIGHT SIDE OF TRUNK) YEL WIRE

AUDIO REMOTE SWITCH BLK WIRE BLU WIRE BRN WIRE CABLE REEL (CON B: ON STEERING COLUMN) (CON C: IN STEERING COLUMN) CHANNEL DOWN SWITCH DOWN VOLUME EXCEPT HYBRID GA-NET BUS SH GA-NET BUS- GRN WIRE GRN/RED WIRE GRY WIRE INTERIOR LIGHTS SYSTEM LT BLU WIRE MODE SWITCH NCA WIRE PNK 1 2 3 4 WIRE PNK 7 8 WIRE PNK WIRE RED WIRE RED/BLK WIRE SAT L- SAT R- SH (XM) SIG STEERING WHEEL HFL VOICE CONTROL SWITCH SWITCH SWITCH BACK SWITCH UP SYS ACC TALK SWITCH VOLUME- WHT WIRE XM ANTENNA XM RECEIVER (RIGHT SIDE OF TRUNK)

2 DOOR, LX, EX EX-L, SI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DLC (UNDER LEFT SIDE OF DASH) F-CAN+ F-CAN- PTT ODS LFS- RFS- VA VB FRONT PASSENGER'S AIRBAG FUSE FUSE 10 FUSE 9 GND A GND B K-LINE GRN WIRE HOT IN ON OR START LEFT FRONT IMPACT SENSOR (BEHIND LEFT SIDE OF FRONT BUMPER) LFS+ RFS+ LT BLU WIRE MES CONNECTOR MES SCS MICU ODS ODS ORG/ WIRE RED WIRE RIGHT FRONT IMPACT SENSOR (BEHIND RIGHT SIDE OF FRONT BUMPER) SRS SRS UNIT (UNDER MIDDLE OF DASH) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WHT WIRE YEL WIRE