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

2-DOOR: LX, EX ABS IND. ABS MODULATOR CONTROL UNIT (RIGHT SIDE OF ENGINE COMPT) AREA NETWORK BKSW BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRAKE SYSTEM IND BRN WIRE CAN L CAN L FR-GND PNK WIRE CANADA M/T: DX-GA COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER ECM/PCM (LEFT SIDE OF ENGINE COMPT) FAST CONTROLLER AREA FL +B FRS +B MR +B DIAG-K FUSE 10 FUSE 12 FUSE 4 GAUGE CONTROL MODULE GND MR-GND GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START LEFT FRONT WHEEL SPEED SENSOR (ON LEFT FRAME RAIL) LEFT REAR WHEEL SPEED SENSOR (UNDER LEFT REAR OF FLOOR) LT BLU WIRE LT GRN WIRE MICU MULTI FUSE 3 ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PNK WIRE PPL PPL RL-GND RR +B RED WIRE RIGHT FRONT WHEEL SPEED SENSOR (ON FRAME RAIL) RIGHT REAR WHEEL SPEED SENSOR (UNDER RIGHT REAR OF FLOOR) RL +B RR-GND TRANSCEIVER/ UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE

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

BLK WIRE CABLE REEL (UNDER STEERING WHEEL) CANCEL SWITCH RESUME SWITCH CRUISE CONTROL COMBINATION SWITCH CYLINDER ETCS CONTROL RELAY FUSE 12 FUSE 19 FUSE 21 GRN WIRE GRN/YEL WIRE HORN SWITCH HOT AT ALL TIMES LT GRN WIRE LT GRN/BLK WIRE LTBLU MAIN SWITCH NCA WIRE ORG/ WIRE PGM-FI MAIN RELAY 1 PNK WIRE RED/BLK WIRE SET SWITCH STEERING WHEEL) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK ECM (LEFT SIDE OF ENGINE COMPT) EPS CONTROL UNIT (BEHIND RIGHT KICK PANEL) EPS GEAR BOX (UNDER REAR OF ENGINE) EPS INDICATOR EPS MOTOR EPS MOTOR ANGLE SENSOR (UNDER REAR OF ENGINE) EPS TORQUE SENSOR (UNDER LEFT SIDE OF ENGINE COMPT) FUSE 10 FUSE 4 GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE H-U H-V H-W HOT AT ALL TIMES HOT IN ON OR START K LINE LT BLU WIRE LT GRN WIRE MICU MULTI FUSE 1 NEP PG +B PNK 1 2 3 WIRE PNK WIRE PVF RED WIRE SCS UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) WARNING DRIVE CIRCUIT WHT WIRE WHT/GRN WIRE YEL WIRE

11 7 (4 DOOR) (2 DOOR) 2 DOOR: LX,USA:EX, EX-L;SI 4 DOOR ASSEMBLY) (4 DOOR: RIGHT SIDE OF TRUNK LID) AUDIO UNIT (W/O NAVIGATION) NAVIGATION UNIT (W/NAVIGATION) BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CONTROLLER AREA CONTROLLER AREA NETWORK CONTROLLER DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH (IN LEFT "B" PILLAR) FRONT PASSENGER'S DOOR LOCK SWITCH FRONT PASSENGER'S DOOR SWITCH (IN RIGHT "B" PILLAR) FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 12 GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN (OR BLU) WIRE GRN WIRE GRY WIRE GX,LX,LX-S) (2 DOOR: RIGHT SIDE OF TRUNK LID, ON KEY CYLINDER HOT AT ALL TIMES HOT AT ALL TIMES UNDER- HOOD FUSE/ FUSE 23 RELAY BOX (LEFT SIDE OF ENGINE COMPT) IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH (4 DOOR) (REAR OF LEFT REAR DOOR) LEFT REAR DOOR SWITCH (4-DOOR) (IN LEFT "C" PILLAR) LOCK LT BLU WIRE LT GRN WIRE NETWORK CONTROLLER ORG/ WIRE PNK B-CAN WIRE PNK PNK PNK WIRE PNK WIRE POWER WINDOW MASTER SWITCH PPL RIGHT REAR DOOR SWITCH (4-DOOR) (IN RIGHT "C" PILLAR) SECURITY HOOD SWITCH (FRONT CENTER OF ENGINE COMPT) SECURITY INDICATOR SECURITY INDICATOR BLINKING CIRCUIT SWITCH (USA: TRUNK KEY CYLINDER TRUNK LATCH SWITCH (USA: GX,LX,LX-S) (MIDDLE OF TRUNK LID) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNLOCK WHT WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE DEFOGGER HEATER CONTROL PANEL HOT IN ON FUSE 36 LEFT POWER DEFOGGER MIRROR (FRONT OF DRIVER'S DOOR) LT GRN WIRE MICU ORG/ WIRE POWER MIRROR HEATERS RELAY (EX-L) (CANADA: LX, SPORT, SI) REAR DEFOGGER CIRCUIT RELAY POWER CONTROL RIGHT POWER MIRROR (FRONT OF FRONT PASSENGER'S DOOR) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPARTMENT)

BLK WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE DEFOGGER HEATER CONTROL PANEL HOT IN ON FUSE 36 LEFT POWER DEFOGGER MIRROR (FRONT OF DRIVER'S DOOR) LT GRN WIRE MICU ORG/ WIRE POWER MIRROR HEATERS RELAY (EX-L) (CANADA: LX, SPORT, SI) REAR DEFOGGER CIRCUIT RELAY POWER CONTROL RIGHT POWER MIRROR (FRONT OF FRONT PASSENGER'S DOOR) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPARTMENT)

13 18 (2-DOOR) B-CAN BLK WIRE BLK/YEL WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE BRN/YEL WIRE CIRCUIT COMPUTER DATA LINES SYSTEM CONTROLLER AREA ENGINE CONTROLS SYSTEM EXCEPT GX FUEL PRESSURE REGULATOR LEAK CHECK CONNECTOR (GX) (FRONT OF ENGINE COMPT) FUEL PUMP FUEL SHUT-OFF SOLENOID VALVE RELAY FUEL TANK INTERNAL SOLENOID VALVE (LEFT SIDE OF TRUNK) (GX) FUSE 19 FUSE 23 FUSE 2 FUSE 5 GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER- DASH FUSE/ RELAY BOX (UNDER LEFT END OF DASH) HOT IN ON OR START IG S-NET KEY SW IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LT BLU WIRE LT GRN WIRE MICU NETWORK CONTROLLER ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PGMETCS PNK LT PNK PNK WIRE PNK PNK PNK WIRE PNK WIRE S-NET B-CAN K-LINE IG KEY SW LG PNK WIRE UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU WARNING DRIVE CIRCUIT IMMOBILIZER SYSTEM INDICATOR WHT WIRE YEL WIRE

4 DOOR: EX-L 7 6 5 4 3 2 1 REC AIR MIX CONTROL MOTOR (ON LEFT SIDE OF HVAC ASSEMBLY) AMD-P BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER POWER TRANSISTOR (UNDER RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) BLU WIRE BRN WIRE DEFOGGER SYSTEM EVAPORATOR TEMPERATURE SENSOR (UNDER RIGHT SIDE OF DASH) EX-L: CANADA, LX, SI FRS FUSE 36 GRN WIRE GRY WIRE HEATER CONTROL PANEL/ HVAC CONTROL UNIT HOT IN ON IHAC ILL LT BLU WIRE LT GRN WIRE M-COOL M-DEF M-HOT M-VENT MICU ACS MODE 1 MODE 2 MODE 3 MODE 4 MODE CONTROL MOTOR (BEHIND GLOVE BOX, ON HVAC ASSEMBLY) ORG/ WIRE PNK WIRE PPL RED WIRE S-COM SEATS SYSTEM UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE

4 DOOR 4-DOOR 2-DOOR BLK WIRE BRN WIRE FUSE 8 (4 DOOR) (2 DOOR) HEATED MIRRORS CIRCUIT HEATER CONTROL PANEL RELAY CONTROL HOT AT ALL TIMES HOT IN ON FUSE 36 LT GRN WIRE MICU NOISE REDUCTION CONDENSER (4 DOOR) (IN LEFT "C" PILLAR) POWER REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER RELAY RED WIRE RED) (OR WIRE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPARTMENT)