Honda Civic VIII facelift (2008-2011) under-dash fuse/relay box (under left end of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 CAN-H SVCCA BKSW BLK WIRE BLU WIRE BPS BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PEDAL POSITION SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE PEDAL STROKE SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRAKE SYSTEM IND BRN WIRE BS+B BUZZER CAN L CAN-H CAN-L SGNDA COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER FAST CONTROLLER AREA NETWORK TRANSCEIVER FUSE 10 FUSE 12 FUSE 36 FUSE 4 FUSE 5 FUSE 63 FUSE 61 GAUGE CONTROL MODULE GRN WIRE GRY WIRE HAC HOT AT ALL TIMES HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) HOT IN ON HOT IN ON OR START LT BLU WIRE LT GRN WIRE MICU MOT- MS+B MR+B K-LINE ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARK LEVER) PCM (LEFT SIDE OF ENGINE COMPT) POWER UNIT (RIGHT SIDE OF ENGINE COMPT) RBS IND RED WIRE SERVO UNIT (LEFT REAR CORNER OF ENGINE COMPT) 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

1 2 3 4 5 6 7 8 9 10 11 CAN-L 13 14 15 16 17 18 19 20 21 22 23 24 25 FSR +B MR +B CAN-H 2 4 1 5 3 STRA STRB S-GND SVCC STRD PPL ABS IND WARNING DRIVE CIRCUIT BRAKE SYSTEM IND ABS MODULATOR CONTROL UNIT (RIGHT SIDE OF ENGINE COMPT) BKSW BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PEDAL POSITION SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE CAN L CAN-H COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER FAST CONTROLLER AREA NETWORK TRANSCEIVER FR +B RL +B RR-GND FL +B 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 REAR OF ENGINE COMPT) HOT IN ON OR START K LINE LEFT FRONT WHEEL SPEED SENSOR (LOWER LEFT SIDE OF ENGINE COMPT) LEFT REAR WHEEL SPEED SENSOR (UNDER LEFT SIDE OF VEHICLE) LT BLU WIRE LT GRN WIRE MICU MULTI FUSE 3 ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING LEVER) PCM (LEFT SIDE OF ENGINE COMPT) PNK FR-GND SVCC PPL RL-GND RR +B S-GND FL-GND WIRE PNK WIRE PPL PPL STRB RED WIRE RIGHT FRONT WHEEL SPEED SENSOR (LOWER RIGHT SIDE OF ENGINE COMPT) RIGHT REAR WHEEL SPEED SENSOR (UNDER RIGHT REAR OF VEHICLE) STEERING ANGLE SENSOR STRA 35 36 STRD UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VSA ACT IND VSA IND VSA OFF SWITCH WHT WIRE YAW RATE-LATERAL ACCELERATION SENSOR (UNDER MIDDLE OF DASH) YEL WIRE

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

1 2 3 4 5 S-GND STRA STRD STRB SVCC ABS IND. 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 COMPUTER DATA LINES SYSTEM CONTROLLER AREA NETWORK CONTROLLER DRIVE CIRCUIT ECM (LEFT SIDE OF ENGINE COMPT) FAST CONTROLLER AREA NETWORK TRANSCEIVER FR +B RL +B RR-GND FL +B FSR +B MR +B CAN-H 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 K LINE 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 FR-GND SVCC RL-GND RR +B S-GND FL-GND WIRE PNK WIRE PPL PPL STRB RED WIRE RIGHT FRONT WHEEL SPEED SENSOR (ON FRAME RAIL) RIGHT REAR WHEEL SPEED SENSOR (UNDER RIGHT REAR OF FLOOR) STEERING ANGLE SENSOR (IN STEERING COLUMN COVER) STRA STRD UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VSA ACT IND VSA IND VSA MODULATOR CONTROL UNIT (RIGHT SIDE OF ENGINE COMPT) VSA OFF SWITCH WARNING DRIVE CIRCUIT WHT WIRE YAW RATE-LATERAL ACCELERATION SENSOR (UNDER MIDDLE OF DASH) YEL WIRE

7 6 5 4 3 2 1 S-COM AC-CLK AC-SI AC-SO AIR MIX CONTROL MOTOR (LEFT SIDE OF HVAC ASSEMBLY) AMD-P AUX WATER PUMP RELAY B-CAN BLK WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER POWER TRANSISTOR (UNDER RIGHT SIDE OF DASH, NEAR BLOWER MOTOR) BLU WIRE BRN WIRE CLIMATE CONTROL UNIT DEFOGGER SYSTEM EVAPORATOR TEMPERATURE SENSOR (NEAR BLOWER MOTOR) FRD-P FRS REC FUSE 22 FUSE 36 GAUGE CONTROL MODULE (TACH) GRN WIRE GROUND A/C SIGNAL GRY WIRE HAC HEATER CORE TEMP SENSOR AUX WATER PUMP FEEDBACK HEATER CORE TEMPERATURE SENSOR (LEFT SIDE OF HVAC ASSEMBLY) HOT IN ON HOT IN ON OR START HUMIDITY SENSOR ILL (+) RELAY CONTROL IN-CAR TEMPERATURE SENSOR/HUMIDITY SENSOR (RIGHT OF STEERING COLUMN) 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 (RIGHT SIDE OF HVAC ASSEMBLY) NAVIGATION UNIT (USA) ORG/ WIRE OUTSIDE AIR TEMPERATURE SENSOR (BEHIND LEFT SIDE OF FRONT BUMPER) PNK PNK PNK WIRE PNK WIRE PPL RECIRCULATION CONTROL MOTOR RED WIRE S-COM SUNLIGHT SENSOR (UNDER TOP LEFT SIDE OF DASH) THERMAL PROTECTOR THERMAL PROTECTOR UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE YEL WIRE

+B DAY LT/ STS SMART +B H/L +B RR LO MAIN +B H/L ODS SRS HI MAIN +B HAZARD +B RR FOG FOG A/T REVERSE RELAY ABS PUMP P/W ACC KEY LOCK DRL ACC KEY LOCK IG KEY SW B-CAN BLK WIRE BLU WIRE BRN WIRE DOOR LOCK RELAY TRUNK LID OPENER RELAY DRIVER'S DOOR UNLCK RELAY FUSE 1 FUSE 10 FUSE 14 FUSE 17 FUSE 13 FUSE 12 FUSE 16 FUSE 19 FUSE 21 FUSE 20 (NOT USED) FUSE 23 FUSE 25 FUSE 7 FUSE 34 (NOT USED) FUSE 37 FUSE 36 FUSE 38 FUSE 35 FUSE 4 FUSE 2 FUSE 9 FUSE 11 FUSE 18 GRN WIRE GRY WIRE H/L H/L H/L P/W LO HI-L HI-R TIMER HAC HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON HOT IN ON OR IG KEY SW +B INTR LT +B RR FOG INTERIOR LIGHTS SYSTEM ILLUMI+ LT BLU WIRE LT GRN WIRE MULTIPLEX INTEGRATED CONTROL SYSTEM UNIT (MICU) ORG/ WIRE PASSENGER'S DOOR UNLCK RELAY PNK ANTI-THEFT SYSTEM (NOT USED) WIRE PNK WIRE POWER TO UNDER-DASH FUSE/RELAY BOX WINDOW (DIAGRAM 2 OF 2) RELAY PPL PPL DOOR LOCKS SYSTEM RED WIRE S-NET KEYSOL TAILLIGHT RELAY TO MICU (DIAGRAM 2 OF 2) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 2) TRUNK, TAILGATE, FUEL DOORS SYSTEM KC T/G (TRUNK) UNLCK UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) USA USA 4-DOOR USA EX,, SI WHT WIRE WIPER WIPER YEL WIRE

+2 -1 4 DOOR BLK WIRE BLU WIRE BRN WIRE DOOR LOCK KNOB DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH (REAR OF DRIVER'S FRONT DOOR) DRIVER'S DOOR UNLOCK RELAY EXCEPT GX GX FUEL FILL DOOR SWITCH (GX) (LEFT REAR SHELF) FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 21 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOCK DOOR LOCK KNOB SWITCH LOCK PNK WIRE LOW BEAM HEAD- LIGHT RELAY LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK PNK ANTI-THEFT SYSTEM WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (4 DOOR) S GND TAILLIGHT RELAY TRUNK LID OPENER RELAY (GX,LX,LX-S, EX,SPORT, EX-L,SI) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK UNLOCK KEY DOOR LOCK KNOB USA WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE DOOR LOCK KNOB DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH (REAR OF DRIVER'S DOOR) DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH (REAR OF RIGHT FRONT DOOR) FUSE FUSE 10 FUSE 19 FUSE 21 FUSE 25 FUSE FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IG KEY SW VBU VBU B-CAN TRUNK SW RADIO SW AT-P HOOD SW JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOW BEAM HEAD- LIGHT RELAY LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK PNK ANTI-THEFT SYSTEM WIRE PNK WIRE PPL RED WIRE REM AS LOCK REM AS UNLOCK REM DR LOCK REM DR UNLOCK DRSWRA DRSWRD DRSWAS DRSWDR RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (REAR OF RIGHT REAR DOOR) S GND TAILLIGHT RELAY TRUNK LID OPENER RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK WHT WIRE YEL WIRE

1 2 3 4 5 6 7 VBU AUXILIARY UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) B-CAN BLK WIRE BLK/YEL WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE BRN/YEL WIRE CIRCUIT COMPUTER DATA LINES SYSTEM CONTROLLER AREA DLC (UNDER LEFT SIDE OF DASH) ENGINE CONTROLS SYSTEM FUEL PUMP FUEL TANK UNIT (INSIDE FUEL TANK) FUSE 19 FUSE 2 FUSE 23 GAUGE CONTROL MODULE (TACH) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IG KEY SW IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (IN STEERING COLUMN) IMMOBILIZER SYSTEM INDICATOR JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE LT PNK PNK WIRE MICU MRLY NETWORK CONTROLLER ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARK LEVER) PCM (LEFT SIDE OF ENGINE COMPT) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PNK PNK PNK WIRE PNK S-NET IMOFLR WIRE PNK WIRE S-NET S-NET B-CAN K-LINE IG KEY SW LG PNK 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 REAR OF ENGINE COMPT) VBU WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE YEL/GRN 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