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Under-Hood Fuse/Relay Box

Fig 1: Under-Hood Fuse/Relay Box Components Location
GHH306363Courtesy of HONDA, U.S.A., INC.
Under-Hood Fuse/Relay Box Legend

Fuse Number Amps Component(s) or Circuit(s) Protected
A1 A1-1 - - - - - - Not used
A1-2 +B RR BLOWER 30 A Rear blower motor (via rear blower motor relay)
A1-3 +B VSA MTR 40 A VSA modulator-control unit (VSA MTR (+B))
A1-4 +B VSA FSR 20 A VSA modulator-control unit (FSR +B)
A1-5 +B MAIN FAN 30 A A/C condenser fan motor (via radiator fan relay and fan control relay),
Radiator fan motor (via radiator fan relay)
A1-6 MAIN FUSE 150 A No. A2-1, No. A2-2, No. A2-3, No. A2-4, No. A2-6, No. A2-7, No. A2-8, No. A2-9, No. A20, No. A21, No. A22, No. A23, No. A24, No. A25, No. A26, No. A28, and No. A29 fuses, Alternator
A2 A2-1 +B SUB FAN 30 A A/C condenser fan motor (via A/C condenser fan relay)
A2-2 +B WIPER MTR 30 A Windshield wiper motor (via windshield wiper motor intermittent relay circuit and windshield wiper motor high/low relay circuit (built into the relay circuit board))
A2-3 +B WASHER 20 A Rear window washer motor relay, Windshield washer motor relay, Windshield/rear window washer motor (via rear window washer motor relay), Windshield/rear window washer motor (via windshield washer motor relay)
A2-4 - - - - - - Not used
A2-5 - - - - - - Not used
A2-6 +B FR BLOWER 40 A Front blower motor (via front blower motor relay)
A2-7*9 +B AC INVERTER 30 A AC inverter unit (+B A/C INVERTER)
A2-8 +B AMP 30 A Stereo amplifier (+B AUDIO AMP) *5*8
A2-9 +B RR DEF 40 A Rear window defogger (via rear window defogger relay)
A2-10 - - - - - - Not used
A2-11 - - - - - - Not used
A3 A3-1 - - - - - - Not used
A3-2 - - - - - - Not used
A3-3 - - - - - - Not used
A3-4 - - - - - - Not used
A4 10 A No. C25 and No. C27 fuses in the under-dash fuse/relay box (via taillight relay circuit (built into the relay circuit board)), Taillight relay circuit (built into the relay circuit board)
A5 - - - Not used
A6 10 A Via brake light relay:
Brake lights, High mount brake light, VSA modulator-control unit (BRAKE DIAG)
Via brake pedal position switch:
Keyless access/TPMS control unit (STOP SW), MICU (STOP SW), PCM (STOP SW)
Via brake pedal position switch and brake light relay:
Brake lights, High mount brake light, VSA modulator-control unit (BRAKE DIAG)
A7 - - - Not used
A8 10 A Left headlight (low beam)
A9 - - - Not used
A10 10 A Right headlight (low beam)
A11 7.5 A Diode
A12 20 A Via injector relay: Injector control module (IG(EDU)1), Injector control module (IG(EDU)2)
A13 20 A No. A8 and No. A10 fuses (via headlight relay), Headlight relay
A14 15 A Media HUB unit (+B USB(15A))*7, USB charger unit (+B USB(15A))*5*8
A15 15 A Front fog light relay, Front fog lights (via front fog light relay)
A16 15 A MICU (+B HAZARD)
A17*1 20 A Recline motor (via front passenger's power seat adjustment switch)
A18*1 20 A Slide motor (via front passenger's power seat adjustment switch)
A19 20 A Engine mount control unit (IG1 SOL) (via active control engine mount (ACM) control relay)
A20 7.5 A A/C compressor clutch (via A/C compressor clutch relay)
A21 15 A PGM-FI main relay 1 circuit (built into the relay circuit board)
Via PGM-FI main relay 1 circuit (built into the relay circuit board):
No. A11 fuse, CKP sensor, CMP sensor, Electronic throttle control system (ETCS) control relay circuit (built into the relay circuit board), MAF sensor, PCM (IGP), PGM-FI main relay 2
A22 15 A Via PGM-FI subrelay circuit (built into the relay circuit board):
EVAP canister vent shut valve*4, Front AF sensor (bank 2, sensor 1), Front secondary HO2S (bank 2, sensor 2), Rear AF sensor (bank 1, sensor 1), Rear secondary HO2S (bank 1, sensor 2)
PGM-FI subrelay circuit (built into the relay circuit board)
A23 15 A Ignition coil relay circuit (built into the relay circuit board), Ignition coils (via Ignition coil relay circuit (built into the relay circuit board))
A24 15 A PCM (IG1M) (via electronic throttle control system (ETCS) control relay circuit (built into the relay circuit board))
A25 20 A No. A4 and No. A6 fuses
A26 10 A Automatic lighting control unit-sensor (+B BACKUP), Data link connector (+B BACKUP), Gauge control module (+B BACKUP), Homelink unit (+B BACKUP), Keyless access/TPMS control unit (+B BACKUP), MICU (+B BACKUP), Multipurpose camera unit (+B BACKUP), Power mirror control unit (+B BACK UP)*3, Power seat control unit (+B BACKUP)*3, Power tailgate control unit (+B BACKUP), Power window master switch (+B BACKUP), Rear controller and screen (+B BACKUP)*6*7
A27*2 10 A Heated steering wheel control unit (HSW VCC) (via heated steering wheel relay and cable reel)
A28 10 A Horn relay, Horns (via horn relay)
A29 20 A ANC/active sound control unit (+B RADIO), Audio unit (+B RADIO)*6, Audio-navigation unit (+B RADIO)*5
*1: With front passenger's power seat
*2: With heated steering wheel
*3: With DPMS
*4: USA and Canada models
*5: With navigation
*6: Without navigation
*7: Except color audio type (5-inch screen)
*8: Mexico model
*9: With AC inverter