Honda·Civic·2018 Honda Civic·Wiring
Wiring diagram

2018 Honda Civic — power distribution

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Power distribution

1 2 1 1 2 2 1 2 3 4 3 4 3 4 3 15A E H S D W 50A M 50A L 60A K 125A J 40A 15A 10A 10A 30A 30A 10A 10A 10A 70A 15A 30A 5A 30A 15A 15A 15A 15A 60A 10A 30A 30A UNDER-HOOD FUSE/RELAY BOX BATTERY STARTER BATTERY SENSOR UNDER-HOOD FUSE/RELAY BOX BRAKE PEDAL POSITION SWITCH INJECTOR RELAY WINDSHIELD WASHER MOTOR RELAY PGM-FI MAIN RELAY 1 IGNITION COIL RELAY PGM-FI SUB RELAY BRAKE LIGHT RELAY RFC RELAY UNDER-HOOD RELAY HOLDER A RELAY CIRCUIT BOARD UNDER-HOOD FUSE/RELAY HOLDER B PCM DAYTIME RUNNING LIGHT RELAY HEADLIGHT LOW BEAM RELAY UNDER-HOOD FUSE/RELAY HOLDER A UNDER-HOOD FUSE/RELAY BOX TRANSMISSION CONTROL MODULE WINDSHIELD WIPER MOTOR EPS CONTROL UNIT INJECTOR RELAY UNDER-HOOD FUSE/RELAY HOLDER B UNDER-HOOD FUSE/RELAY BOX BODY CONTROL MODULE A4 A12 3 B7 B3 1 47 24 B25 2 4 1 10 2 7 C110 6 A1 57 12 5 A14 A9 A26 A28 24 A27 A25 23 A1 A9 1 3 54 A5 A13 1 3 A3 A11 1 3 58 A7 59 A2 9 C207 3 1 55 2 5 53 52 1 4 1 C14 49 C9 C18 C15 56 50 51 6 C4 2 48 25 8 T2 LT GRY RED LT GRN TAN TAN GRN (OR WHT) WHT GRN (OR WHT) WHT (OR BLU) (OR BLU) WHT PNK YEL YEL YEL PNK BLU GRN BLU BLU BLU BLU GRN GRN GRN WHT WHT WHT BLK BLK RED RED RED YEL YEL RED RED BLU PPL BLU BLU BLU BRN PNK GRN PNK GRN BRN BRN LT GRN RED PPL LT GRN RED PPL RED WHT WHT WHT RED GRN BLK BLK BLK BLK FUSE 1-7 FUSE 6 FUSE 1-5 FUSE 9 FUSE 7 FUSE 15 FUSE 2-4 FUSE 8 FUSE 1-2 FUSE 1-3 FUSE 2-2 FUSE 5 FUSE 17 FUSE 1-6 FUSE 12 FUSE 2-1 FUSE 16 FUSE 2-6 FUSE 2-5 FUSE 10 FUSE 1-1 FUSE 13 FUSE 2-3 FUSE 14 FUSE 29 FUSE 28 TAILLIGHT RELAY (LEFT SIDE OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) G1 2.0L 1.5L TURBO W/ KEYLESS ACCESS SYSTEM W/O KEYLESS ACCESS SYSTEM (1.5L TURBO) (1.5L TURBO) TO FUSE 3-3 (DIAGRAM 2 OF 6) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 5 OF 6) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 5 OF 6) FROM UNDER- HOOD FUSE/ RELAY BOX (DIAGRAM 2 OF 6) TO UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 5 OF 6) TO UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 4 OF 6) TO UNDER- HOOD FUSE/ RELAY HOLDER B (DIAGRAM 6 OF 6) TO UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 4 OF 6) TO J/C C007 (DIAGRAM 6 OF 6)
1 2 3 4 3 4 2 1 10A P 40A 30A N 10A 15A 10A 15A 40A 40A 10A M 10A 40A 40A K G UNDER-HOOD FUSE/RELAY BOX REAR WINDOW DEFOGGER RELAY BLOWER MOTOR RELAY HORN RELAY A/C COMPRESSOR CLUTCH RELAY AUDIO UNIT STEREO AMPLIFIER VSA MODULATOR CONTROL UNIT CENTER DISPLAY UNIT AUDIO- NAVIGATION UNIT DRIVER'S JUNCTION ALTERNATOR DATA LINK CONNECTOR (DLC) CABLE REEL GAUGE CONTROL MODULE FOG LIGHT RELAY POWER WINDOW MASTER SWITCH CAN GATEWAY AUTOMATIC LIGHTING/ RAIN SENSOR BODY CONTROL MODULE STARTER CUT RELAY 1 INTERIOR LIGHTS CUT RELAY UNDER-HOOD FUSE/ RELAY HOLDER A RELAY CIRCUIT BOARD UNDER-HOOD FUSE/RELAY BOX UNDER-HOOD FUSE/RELAY BOX AUTOMATIC LIGHTING CONTROL UNIT SENSOR IMMOBILIZER KEYLESS CONTROL UNIT AUDIO REMOTE-HFL SWITCH D1 16 4 7 9 7 C15 E2 C107 2 37 T3 65 C13 32 A1 33 1 A3 A1 E1 C103 5 5 C2 D2 C27 C110 17 68 64 A7 A15 1 3 C106 1 A3 66 C106 3 A3 A1 67 1 20 29 1 15 34 1 22 63 1 13 35 3 62 C203 C204 2 2 30 1 3 31 43 3 37 3 45 3 RED RED RED RED RED RED WHT RED RED BLK LT BLU LT BLU BLU WHT WHT RED RED RED RED RED RED RED RED RED RED RED RED RED BLU BLU BLU RED RED RED BRN BRN BRN BRN BLU BLU LT BLU LT BLU GRN GRN WHT WHT WHT WHT WHT WHT WHT RED RED BRN BRN BRN BRN BRN BRN FUSE 20 FUSE 3-4 FUSE 19 FUSE 24 FUSE 3-1 FUSE 3-3 FUSE 3-6 FUSE 23 FUSE 3-2 FUSE 18 FUSE 22 FUSE 3-5 FUSE 21 (LEFT SIDE OF ENGINE COMPT) (UPPER LEFT CENTER OF DASH) (UPPER STEERING COLUMN) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (W/O NAVIGATION) W/O AUTOMATIC WIPER W/ AUTOMATIC WIPER W/O MULTI-FUNCTION DISPLAY W/ MULTI-FUNCTION DISPLAY (IF EQUIPPED) (W/ NAVIGATION) W/O KEYLESS ACCESS SYSTEM FROM FUSE 1-7 (DIAGRAM 1 OF 6) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 4 OF 6) TO BATTERY SENSOR (DIAGRAM 1 OF 6) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 3 OF 6) TO WIRELESS CHARGER (DIAGRAM 5 OF 6)
1 2 2 1 1 2 1 2 1 2 1 2 2 5A 10A V T G F 10A 10A C 10A 10A 10A B 10A 10A 5A A 10A 15A UNDER-DASH FUSE/RELAY BOX ELECTRIC STEERING LOCK IMMOBILIZER KEYLESS CONTROL UNIT SRS UNIT UNDER-HOOD FUSE/RELAY BOX PGM-FI MAIN RELAY 2 BODY CONTROL MODULE MILLIMETER WAVE RADAR UNIT EPS CONTROL UNIT TRANSMISSION CONTROL MODULE VSA MODULATOR CONTROL UNIT RFC UNIT PCM UNDER-HOOD FUSE/RELAY BOX ADAPTIVE DAMPER CONTROL UNIT FRONT SEAT HEATER CONTROL UNIT BRAKE LIGHT RELAY RELAY CIRCUIT BOARD FRONT SEAT HEATER RELAY REVERSE RELAY DIODE D DRIVER'S JUNCTION (OPTIONAL CONNECTOR) RIGHT REAR SEAT HEATER SWITCH LEFT REAR SEAT HEATER SWITCH BACKUP LIGHT SWITCH AUDIO UNIT POWER WINDOW MASTER SWITCH SHIFT POSITION INDICATOR POWER MIRROR SWITCH CLIMATE CONTROL UNIT GAUGE CONTROL MODULE MULTI- PURPOSE CAMERA UNIT PARK PIN SWITCH/ SHIFT LOCK SOLENOID BODY CONTROL MODULE CLIMATE CONTROL PANEL CMBS OFF/ RDM SWITCH AUTOMATIC DIMMING INSIDE MIRROR CAN GATEWAY FRONT PASSENGER'S AIR BAG ON/OFF INDICATOR AUDIO- NAVIGATION UNIT C120 2 E12 12 C21 1 3 K5 6 G20 C210 2 C208 2 C27 2 K4 C105 15 6 6 C103 22 7 D4 E3 C126 12 C108 7 9 G17 C8 A4 A32 1 D3 E4 C107 22 4 18 G11 C12 F11 4 7 A17 6 C10 G18 1 D1 10 C103 12 19 G13 C9 C207 1 8 C209 5 5 B3 C10 C6 A3 C203 1 13 C113 5 B5 C26 C25 A39 C208 15 E36 E1 C22 C11 D4 F12 BLK RED RED BRN (OR WHT) (OR WHT) BLU BLU (OR WHT) WHT WHT PPL BLU BRN BLU PPL BLU BRN BRN BRN BRN BRN BRN RED RED RED BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN BRN WHT WHT RED RED RED RED LT BLU PNK RED RED RED RED BLU BLU BLU BLU BLK BLU BLU WHT PPL BLU RED PPL FUSE 8 FUSE 35 FUSE 21 FUSE 34 FUSE 17 4 FUSE 5 FUSE 11 FUSE 7 FUSE 6 FUSE 17 4 FUSE 22 FUSE 9 (UNDER LEFT END OF DASH) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (UPPER LEFT CENTER OF DASH) 5 7 6 8 5 W/ EX-T, EX & LX-P W/ TOURING & HONDA SENSING 6 W/ LX 7 8 W/ LX HONDA SENSING 4 3 (IF EQUIPPED) W/ KEYLESS ACCESS SYSTEM W/O KEYLESS ACCESS SYSTEM W/ REAR SEAT HEATERS 3 4 W/O REAR SEAT HEATERS (IF EQUIPPED) 8 6 (SEDAN) (SEDAN) (M/T) (W/O NAVIGATION) (W/ NAVIGATION) FROM IG1A RELAY (DIAGRAM 5 OF 6) FROM IG1B RELAY (DIAGRAM 5 OF 6) FROM IGNITION SWITCH (DIAGRAM 4 OF 6) TO J/C C005 (DIAGRAM 4 OF 6) FROM IG2 RELAY (DIAGRAM 5 OF 6) TO UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 2 OF 6) FROM IGNITION SWITCH (DIAGRAM 4 OF 6)
1 2 1 2 20A F V U S T START LOCK ON ACC 20A 20A 20A 20A 20A R 5A P 20A J UNDER-DASH FUSE/RELAY BOX POWER DOOR LOCK RELAY (UNLOCK) POWER DOOR LOCK RELAY (DR UNLOCK) POWER WINDOW RELAY POWER DOOR LOCK RELAY (LOCK) FRONT SEAT HEATER RELAY MOONROOF CONTROL UNIT/MOTOR MULTI-PURPOSE CAMERA UNIT POWER WINDOW MASTER SWITCH DRIVER'S POWER SEAT ADJUSTMENT SWITCH FRONT PASSENGER'S POWER WINDOW SWITCH J/C C009 J/C C002 TRUNK LID RELEASE ACTUATOR RELAY J/C C005 BRAKE PEDAL POSITION SWITCH UNDER-HOOD FUSE/RELAY BOX REVERSE LOCKOUT SOLENOID TURBOCHARGER BYPASS CONTROL SOLENOID VALVE SECONDARY HO2S (SENSOR 2) EVAP CANISTER PURGE VALVE MAF SENSOR/ IAT SENSOR 1 STARTER CUT RELAY 2 STARTER CUT RELAY 1 STARTER CUT RELAY RELAY CIRCUIT BOARD 22 20 21 23 C208 5 5 K1 1 1 2 12 3 9 8 11 4 10 12 3 2 10 9 4 B4 C4 C102 3 A1 K2 C1 4 3 2 C217 7 10 B17 8 4 B21 3 1 C102 8 1 E7 C107 3 4 E6 C103 14 10 F7 C5 C130 4 C103 3 1 E17 C2 BLU WHT BLU YEL WHT GRN BLU WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT WHT BLU BLU YEL YEL WHT WHT RED BLU PPL PNK PNK LT BLU GRN GRN WHT WHT LT BLU LT BLU BLU GRN GRN GRN PNK FUSE 16 FUSE 31 FUSE 33 FUSE 32 FUSE 19 FUSE 15 FUSE 24 FUSE 28 IGNITION SWITCH (UNDER LEFT END OF DASH) (TOP REAR OF ENGINE) (LEFT SIDE OF ENGINE COMPT) (SEDAN) W/ HEATED MIRRORS W/O HEATED MIRRORS (Si) (1.5L TURBO EXCEPT Si) (2.0L) 2.0L 1.5L TURBO EXCEPT Si Si (W/O KEYLESS ACCESS SYSTEM) 1.5L TURBO 2.0L (M/T) FROM FUSE 29 (DIAGRAM 5 OF 6) FROM UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 2 OF 6) FROM UNDER- HOOD FUSE/ RELAY BOX (DIAGRAM 1 OF 6) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 3 OF 6) FROM UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 1 OF 6) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 3 OF 6) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 3 OF 6) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 5 OF 6)
2 1 1 2 1 2 A N H U E 5A 10A R 20A D 10A C B UNDER-DASH FUSE/RELAY BOX (OPTIONAL CONNECTOR) STEERING LOCK BODY CONTROL MODULE AUDIO UNIT ELECTRIC STEERING LOCK SHIFT POSITION INDICATOR AUDIO- NAVIGATION UNIT 2 1 2 1 3 G12 1 G18 K3 G15 7 6 3 2 1 1 2 4 A23 C23 F2 A3 E3 C3 1 2 4 3 E2 F3 F4 G9 G18 B16 F11 F29 1 8 3 10 6 5 4 2 G27 G16 G10 F2 G17 G11 G32 G4 G8 G5 G3 G7 G1 G6 C4 C1 RED YEL YEL RED YEL YEL PNK PNK RED YEL YEL RED RED BLK RED RED PNK BLU BLK BLK BRN WHT RED RED YEL RED RED WHT RED BLK RED GRN BLK WHT YEL BLU LT GRN BRN RED BLK GRN WHT YEL BLU LT GRN RED GRN YEL PNK BLK LT BLU GRY PNK GRY GRN BLK LT BLU YEL RED RED GRN ACC RELAY IG2 RELAY IG1A RELAY IG1B RELAY FRONT ACCESSORY POWER SOCKET RELAY FUSE 1 FUSE 29 FUSE 30 FUSE 2 FRONT ACCESSORY POWER SOCKET AUDIO BACK LT DIODE AUDIO ACC DIODE LF ANTENNA WIRELESS CHARGER ENGINE START/STOP SWITCH (UNDER LEFT END OF DASH) (UPPER LEFT SIDE OF DASH) (RIGHT CENTER OF DASH) (BELOW AUDIO UNIT) (BELOW AUDIO UNIT) (UPPER LEFT SIDE OF DASH) (RIGHT CENTER OF DASH) G501 G505 G503 G505 (W/O KEYLESS ACCESS SYSTEM) W/ KEYLESS ACCESS SYSTEM W/O KEYLESS ACCESS SYSTEM (W/O NAVIGATION) (IF EQUIPPED) (W/ KEYLESS ACCESS SYSTEM) (W/ NAVIGATION) TO FUSE 22 (DIAGRAM 3 OF 6) TO FUSE 5 (DIAGRAM 3 OF 6) TO FUSE 8 (DIAGRAM 3 OF 6) TO FUSE 28 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 4 OF 6) FROM UNDER- HOOD FUSE/ RELAY BOX (DIAGRAM 1 OF 6) FROM UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 1 OF 6) FROM UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 1 OF 6) SOUND SYSTEM/ EXTERIOR LIGHTS SYSTEM FROM DRIVER'S JUNCTION (DIAGRAM 2 OF 6) COMPUTER DATA LINES SYSTEM
1 2 3 4 1 2 5 3 4 5 15A) (OR 20A 20A W 15A L UNDER-HOOD FUSE/RELAY BOX UNDER-HOOD FUSE/RELAY HOLDER B CABLE REEL FRONT PASSENGER'S AIR BAG ON/OFF INDICATOR ELECTRIC PARKING BRAKE SWITCH ADAPTIVE DAMPER CONTROL UNIT FRONT PASSENGER'S POWER SEAT ADJUSTMENT SWITCH AUDIO REMOTE- HFL SWITCH OPTION CONNECTOR (FOG LIGHT) RIGHT REAR SEAT HEATER RELAY (LOW) LEFT REAR SEAT HEATER RELAY (HIGH) LEFT REAR SEAT HEATER RELAY (LOW) RIGHT REAR SEAT HEATER RELAY (HIGH) CENTER DISPLAY UNIT AMBIENT LIGHT MOONROOF SWITCH LEFT REAR RELAY HOLDER A LEFT REAR RELAY HOLDER B DRIVER'S JUNCTION ECON SWITCH HAZARD WARNING SWITCH AUTOMATIC BRAKE HOLD SWITCH SHIFT POSITION INDICATOR CLIMATE CONTROL PANEL LOWER TRAY LIGHT CMBS OFF/ RDM SWITCH VSA/TPMS OFF SWITCH VSA OFF SWITCH J/C C007 TRUNK LID OUTER HANDLE SWITCH/ LICENSE PLATE LIGHT INNER TAILLIGHT RIGHT INNER TAILLIGHT RIGHT FRONT SIDE MARKER LIGHT UPPER TRAY LIGHT LEFT INNER TAILLIGHT RIGHT REAR SIDE HEATER SWITCH LEFT FRONT SIDE MARKER LIGHT RIGHT TAILLIGHT LEFT REAR SIDE HEATER SWITCH LEFT TAILLIGHT LEFT FRONT PARKING/ DAYTIME RUNNING LIGHT RIGHT FRONT PARKING/ DAYTIME RUNNING LIGHT C128 2 8 A7 C19 1 4 7 6 C103 C103 14 28 2 4 A3 5 3 3 2 6 3 A2 C1 A1 B1 2 1 4 C115 1 4 C126 7 8 10 4 B14 B12 B13 B11 1 1 C125 11 2 2 3 3 C128 5 5 5 3 3 C112 12 1 2 2 5 9 4 8 7 6 9 2 5 1 C115 3 B10 B9 LT GRN LT GRN GRY GRY YEL GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRN BLU PNK PPL GRN BLU WHT WHT WHT WHT GRY GRY BRN GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY BRN BRN BRN BRN BRN BRN BRN BRN WHT FUSE 31 FUSE 32 FUSE 33 (LEFT SIDE OF ENGINE COMPT) (UPPER STEERING COLUMN) (LEFT "C" PILLAR) (UPPER LEFT CENTER OF DASH) (LEFT SIDE OF ENGINE COMPT) 6 SEDAN (SEDAN) (SEDAN) (SEDAN) (SEDAN) W/O TPMS W/ TPMS (W/ TPMS) (SEDAN) (W/O TPMS) W/ MOONROOF W/O MOONROOF W/ NAVIGATION W/O NAVIGATION W/O CAN GATEWAY & HANDSFREE LINK 6 W/ CAN GATEWAY & HANDSFREE LINK (COUPE) (SEDAN) (SEDAN) (SEDAN) (SEDAN) FROM UNDER- HOOD FUSE/ RELAY BOX (DIAGRAM 1 OF 6) FROM UNDER-HOOD FUSE/RELAY BOX (DIAGRAM 1 OF 6)