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Under-Hood Fuse/Relay Box

Fig 1: Under-Hood Fuse/Relay Box Component Locations
GHH306373Courtesy of HONDA, U.S.A., INC.
Under-Hood Fuse/Relay Box

Fuse Number Amps Component(s) or Circuit(s) Protected Feature
A1-1 - - - Not used  
A1-2 30 A Rear blower motor (via rear blower motor relay)  
A1-3 40 A VSA modulator-control unit  
A1-4 20 A VSA modulator-control unit  
A1-5 30 A A/C condenser fan motor (via radiator fan relay and fan control relay), Radiator fan motor (via radiator fan relay)  
A1-6 150 A No. A2-1, No. A2-2, No. A2-3, No. A2-4, No. A2-5, No. A2-6, No. A2-7, No. A2-8, No. A2-9, No. A2-11, No. A20, No. A21, No. A22, No. A23, No. A24, No. A25, No. A26, No. A27*, No. A28, and No. A29 fuses,

Alternator

*: With heated steering wheel
A2-1 30 A A/C condenser fan motor (via A/C condenser fan relay)  
A2-2 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 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 20 A Sunshade motor-control unit  
A2-5 30 A Engine mount control unit (via active control engine mount (ACM) control relay)  
A2-6 40 A Front blower motor (via front blower motor relay)  
A2-7 30 A AC inverter unit  
A2-8 30 A Tuner-amplifier unit  
A2-9 40 A Rear window defogger (via rear window defogger relay)  
A2-10 - - - Not used  
A2-11 20 A Stereo amplifier  
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 (built into the relay circuit board)), Taillight relay circuit (built into the relay circuit board)  
A5 7.5 A PCM (CANCEL SW FI-ECU)  
A6 10 A Via brake light relay

Brake lights, High mount brake light, VSA modulator-control unit (BRAKE DIAG)

 
Via brake pedal position switch and under-dash fuse/relay box:

Keyless access/TPMS control unit (STOP SW), PCM (STOP SW)

Via brake pedal position switch, under-dash fuse/relay box, and brake light relay:

Brake lights, High mount brake light, VSA modulator-control unit (BRAKE DIAG)

MICU (STOP SW) (via brake pedal position switch)
A7* 10 A EVAP canister vent shut valve *: USA and Canada models
A8 10 A Left headlight  
A9 - - - Not used  
A10 10 A Right headlight  
A11 7.5 A Diode  
A12 20 A Injector relay, PCM (INJ RLY OUT) (via injector relay)  
A13 20 A No. A8 and No. A10 fuses (via headlight relay),

Headlight relay

 
A14 10 A PCM (+B VBUM)  
A15 10 A Front fog light relay, Front fog lights (via front fog light relay)  
A16 15 A MICU (+B HAZARD)  
A17 20 A Recline motor (via front passenger's power seat adjustment switch)  
A18 20 A Slide motor (via front passenger's power seat adjustment switch)  
A19 20 A Stereo amplifier  
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), PCM (IGP), PGM-FI main relay 2

A22 15 A Via PGM-FI subrelay circuit (built into the relay circuit board):

No. A7 fuse,

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 (IG1(DBW)) (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)*2, CAN gateway*4, Data link connector (DLC), Gauge control module (+B BACKUP), Hands free access power tailgate control unit/sensor (+B BACKUP)*1, Homelink unit (+B BACKUP), Keyless access/TPMS control unit (+B BACKUP), MICU (+B BACKUP), Multipurpose camera unit (+B BACKUP)*3, Power mirror control unit (+B BACKUP), Power seat control unit (+B BACKUP), Power tailgate control unit (+B BACKUP), Power window master switch (+B BACKUP), RES control unit (+B BACKUP), RES screen, Wireless charger *1: With hands free access power tailgate
*2: Without automatic wiper
*3: With multipurpose camera unit
*4: With CAN gateway
A27* 15 A Heated steering wheel control unit (HSW VCC) (via heated steering wheel relay and cable reel) *: With heated steering wheel
A28 10 A Horn relay, Horns (via horn relay)  
A29 15 A ANC/active sound control unit (+B RADIO), BD player unit (+B RADIO), CD player unit(+B RADIO), Center display unit (+B RADIO), Infotainment control unit (+B RADIO), Tuner unit (+B RADIO), USB charger units (+B RADIO)