Honda Civic VIII (2005-2009) pgm-fi main relay 1 Wiring diagrams

11 13 14 22 43 36 40 44 MAP 31 40 6 8 34 24 18 17 35 25 37 36 SCS BKSW MRLY IGP A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A (ON TRANS HOUSING) A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B (ON TRANS HOUSING) A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C (ON TRANS HOUSING) ATFT ATP-FWD ATP-RVS ATP-D ATP-N ATP-R ATP-P LC LSB LSA ATP-P BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN-L CAN-H CLUTCH TRANS FLUID PRESSURE SWITCH (ON TRANS HOUSING) FUSE 10 FUSE 12 FUSE 19 FUSE 2 FUSE 23 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN ON OR START LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE PGM-FI MAIN RELAY 1 POILCS NC POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) PPL PPL APSB APSA RED WIRE RED/BLK WIRE SCS SHD SHC SHB SHA SHIFT CONTROL SOLENOID VALVE D (IN TRANS.) SHIFT CONTROL SOLENOID VALVES (IN TRANS.) STARTER STARTER CUT RELAY STARTER SOLENOID UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

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

BLK WIRE BLU WIRE CABLE REEL CANCEL SWITCH RESUME SWITCH CRUISE CONTROL COMBINATION SWITCH 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 MAIN SWITCH NCA WIRE ORG/ WIRE PGM-FI MAIN RELAY 1 PNK WIRE RED/BLK WIRE SET SWITCH STEERING WHEEL) UNDER HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPARTMENT) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLK/BRN WIRE BLK/YEL WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE BRN/YEL WIRE CIRCUIT CONTROLLER AREA DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) ECM/PCM (LEFT SIDE OF ENGINE COMPT) FUEL PUMP FUEL TANK UNIT (IN TOP OF FUEL TANK) FUSE 19 FUSE 2 FUSE 23 GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG KEY SW S-NET IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) IMMOBILIZER SYSTEM INDICATOR JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MICU MRLY NETWORK CONTROLLER ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PNK LT PNK PNK WIRE PNK PNK PNK WIRE PNK S-NET S-NET WIRE PNK WIRE S-NET B-CAN K-LINE IG KEY SW LG PNK WIRE SI EXCEPT SI 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) VBU VBU B-CAN WARNING DRIVE CIRCUIT 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 CONTROLLER AREA DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) ECM/PCM (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM FUEL PUMP FUEL TANK UNIT (INSIDE FUEL TANK) FUSE 19 FUSE 2 FUSE 23 GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG KEY SW IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT 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) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PNK PNK PNK WIRE PNK S-NET S-NET 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

+B INTR LT VBU +B RR FOG +B RR FOG +B D/L +B SMALL +B H/L LO MAIN 13 8 14 9 (W/ SI) (W/O SI) A/C COMPRESSOR CLUTCH RELAY REAR WINDOW DEFOGGER RELAY A/C CONDENSER FAN RELAY ABS MODULATOR CONTROL UNIT (W/O SI) VSA MODULATOR CONTROL UNIT (W/ SI) ALTERNATOR BATTERY BLK WIRE BLOWER MOTOR RELAY BLU WIRE BRAKE PEDAL POSITION HAZARD WARNING SWITCH CEILING LIGHT STERIO AMPLIFIER (2-DR: EX) ELECTRICAL LOAD DETECTOR (ELD) UNIT (USA) (CANADA: SI) ETCS CNTRL RELAY FROM BATTERY (DIAGRAM 1 OF 3) FROM MULTI-FUSE 1 (DIAGRAM 1 OF 3) FRONT INDIVIDUAL MAP LIGHTS (EX, LX, SI) FUSE 13 (NOT USED) FUSE 10 FUSE 12 FUSE 5 (NOT USED) FUSE 14 (NOT USED) FUSE 17 (NOT USED) FUSE 16 (NOT USED) FUSE 11 FUSE 18 FUSE 18 FUSE 19 FUSE 19 FUSE 21 FUSE 20 FUSE 20 (NOT USED) FUSE 24 FUSE 25 FUSE 21 FUSE 22 FUSE 9 FUSE 23 FUSE 27 (NOT USED) FUSE 7 (NOT USED) FUSE 5 FUSE 31 (NOT USED) FUSE 6 FUSE 7 FUSE 8 GRN WIRE IGNITION COIL RELAY PGM-FI SUB-RELAY LT BLU WIRE LT GRN WIRE M/T A/T MICU MICU +B H/L HI MAIN MICU +B HORN +B HAZ MOONROOF CONTROL UNIT (EX, SI) MULTI FUSE 1 MULTI FUSE 2 MULTI FUSE 3 MULTI-FUSE 4 ORG/ WIRE PGM-FI MAIN RELAY 1 RADIATOR FAN RELAY RED WIRE STARTER STARTER SOLENOID STEREO AMPLIFIER SWITCH TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 3) TO UNDER-DASH FUSE/RELAY BOX, FUSE 28, 29 (DIAGRAM 2 OF 3) TO UNDER-HOOD FUSE/RELAY BOX, MULTI-FUSE 3 (DIAGRAM 1 OF 3) TO UNDER-HOOD FUSE/RELAY BOX, MULTI-FUSE 4 (DIAGRAM 1 OF 3) TRUNK LIGHT EPS CONTROL UNIT UNDER-DASH FUSE/ RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WHT WIRE YEL WIRE

+B INTR LT +B RR FOG +B RR FOG +B D/L +B SMALL A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY ABS MODULATOR CONTROL UNIT AUXILIARY ELECTRIC WATER PUMP RELAY AUXILIARY UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF OF ENGINE COMPARTMENT) BATTERY BLK WIRE BLK/WHT WIRE BLOWER MOTOR RELAY BLU WIRE BRAIDED BRAKE PEDAL POSITION SWITCH CONSOLE ACCESSORY POWER SOCKET RELAY DC-DC CONVERTER ELECTRICAL LOAD DETECTOR (ELD) UNIT EPS CONTROL UNIT ETCS CNTRL RELAY FROM BATTERY (DIAGRAM 1 OF 3) FROM UNDER- DASH FUSE/ RELAY BOX, FUSE 29 (DIAGRAM 2 OF 3) FROM UNDER- HOOD FUSE/ RELAY BOX, MULTI-FUSE 1 (DIAGRAM 1 OF 3) FRONT ACCESSORY POWER SOCKET RELAY FRONT INDIVIDUAL MAP LIGHTS CEILING LIGHT FUSE 10 FUSE 12 FUSE 11 FUSE 16 (NOT USED) FUSE 17 (NOT USED) FUSE 18 FUSE 19 FUSE 20 FUSE 20 (NOT USED) FUSE 25 FUSE 21 FUSE 21 FUSE 18 FUSE 24 FUSE 27 FUSE 7 (NOT USED) FUSE 28 FUSE 29 FUSE 31 (NOT USED) FUSE 5 (NOT USED) FUSE 5 FUSE 6 FUSE 6 (NOT USED) FUSE 7 FUSE 8 FUSE 9 FUSE 22 GRN WIRE HAZARD WARNING SWITCH IGNITION COIL RELAY LT BLU WIRE MICU MICU +B DAY LT/SMART MICU +B H/L HI MAIN +B H/L LO MAIN MICU +B HAZ +B HORN MULTI FUSE 1 MULTI FUSE 2 MULTI FUSE 3 MULTI-FUSE 4 NOT USED NOT USED OPTION CONNECTOR (NOT USED) PGM-FI MAIN RELAY 1 PGM-FI SUB- RELAY RADIATOR FAN RELAY REAR WINDOW DEFOGGER RELAY RED WIRE SERVO UNIT STARTER STARTER SOLENOID TO AUXILIARY UNDER-HOOD BOX, FUSE 23 (DIAGRAM 3 OF 3) TO AUXILIARY UNDER-HOOD FUSE/RELAY BOX, FUSE 61 (DIAGRAM 3 OF 3) TO AUXILIARY UNDER-HOOD FUSE/RELAY BOX, FUSE 63 (DIAGRAM 3 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 3) TO UNDER-HOOD FUSE/RELAY BOX MULTI-FUSE 3, 4 (DIAGRAM 1 OF 3) TRUNK LIGHT UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WHT WIRE YEL WIRE

AFS (+) AFS (-) CMP CKP VTPSW AFSHTC NDN MAP BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/YEL WIRE FRONT IGNITION COILS (TOP LEFT SIDE OF ENGINE) FUSE 13 FUSE 14 FUSE 18 FUSE 19 FUSE 2 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START ICM ICM ICM IGNITION COIL RELAY IGRTNE IGRTNI JUNCTION CONNECTOR KNOCK SENSOR (NEAR OIL FILTER) KS VEL ORG/ WIRE PCM (LEFT SIDE OF ENG COMPT) PGM ETCS ETCSM (-) ETCSM (+) PGM-FI MAIN RELAY 1 REAR IGNITION COILS (TOP RIGHT SIDE OF ENGINE) RED WIRE RED/BLK WIRE RED/BLU WIRE TO ETCS CONTROL RELAY (DIAGRAM 4 OF 5) TPSA TPSB POILCS UNDER- HOOD FUSE/ RELAY BOX (LEFT REAR OF ENG COMPT) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/C SYSTEM APP SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CLUTCH PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CAN H CAN L COOLING FANS SYSTEM ELD UNIT ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ETCS CONTROL RELAY ETCSRLY SUB RLY PSPSW ELD EXTERIOR LIGHTS SYSTEM BKSWNC BKSW CRMTCLS WEN FANL FANH MRLY FTP SENSOR (UNDER LEFT SIDE OF FLOOR) FTP SLS 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 ONLY 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 SHIFT INTERLOCK SYSTEM WIRE PNK WIRE PPL PPL 5 6 PPL PPL PSP SWITCH (RIGHT SIDE OF ENGINE COMPT) RED WIRE RED/BLU WIRE RED/YEL WIRE SCS UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) USA ONLY VSSOUT SOUNDS SYSTEM VSSV WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

A/C SYSTEM APP SENSOR (UNDER LEFT SIDE OF DASH) BKSWNC BKSW CRMTCLS WEN BLK WIRE BLK/BLU 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 ELD ELD UNIT ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ETCS CONTROL RELAY ETCSRLY SUB RLY EXTERIOR LIGHTS SYSTEM ELECTRONIC POWER STEERING SYSTEM SOUNDS SYSTEM FTP RVSLCK NEP VSSOUT FTP SENSOR (UNDER LEFT SIDE OF FLOOR) FUSE 11 FUSE 12 FUSE 18 FUSE 19 FUSE 21 GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IGNITION COILS RELAY IGP IMOFLR ACPD APSA LT BLU WIRE LT GRN WIRE MAF/IAT SENSOR (LEFT SIDE OF ENGINE COMPT) OIL PRESSURE SWITCH (NEAR OIL FILTER) ORG/ WIRE PGM-FI MAIN RELAY 1 PGM-FI SUB- RELAY PNK WIRE PPL PPL PPL RED WIRE RED/BLK WIRE RED/YEL WIRE SCS UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VSSV WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE