Under-Hood Fuse/Relay Box (A)

Fig 1: Under-Hood Fuse/Relay Box (A) Replacement Components

Courtesy of HONDA, U.S.A., INC.

Under-Hood Fuse/Relay Box (A) Legend

Fuse Number			Amps	Component(s) or Circuit(s) Protected
A1	A1-1	EPS	70 A	EPS control unit
	A1-2	---	---	Not used
	A1-3	ABS/VSA MTR	30 A	VSA modulator-control unit
	A1-4	ABS/VSA FSR	30 A	VSA modulator-control unit
	A1-5	WIPER	30 A	Windshield wiper HIGH/LOW relay built into the relay circuit board (via windshield wiper main relay), Windshield wiper intermittent relay built into the relay circuit board (via windshield wiper main relay), Windshield wiper motor (via windshield wiper main relay, windshield wiper intermittent relay, and windshield wiper HIGH/LOW relay built into the relay circuit board)
	A1-6	MAIN FUSE	100 A	Alternator, No. A2-1, No. A2-2, No. A2-3, No. A2-4, No. A2-5, No. A2-6, No. A2-8, No. A2-10, No. A2-11, No. A20, No. A21, No. A22, No. A23, No. A25, No. A26, No. A27, No. A28, and No. A29 fuses in the under-hood fuse/relay box
A2	A2-1	IG MAIN	50 A	Power control unit
	A2-2	BOX MAIN 1	60 A	No. B25, No. B27, No. B41, No. B42, and No. 44 fuses in the under-dash fuse/relay box, No. B43 and No. B45 fuses in the under-dash fuse/relay box (via power window relay), Power window relay
	A2-3	BOX MAIN 2	60 A	No. B11, No. B12, No. B13, No. B14, and No. B31 fuses in the under-dash fuse/relay box
	A2-4	H/L MAIN	30 A	No. B37, No. B38, No. B39, and No. B40 fuses in the under-dash fuse/relay box
	A2-5	ST MG SW	30 A	No. A5 fuse in the under-hood fuse/relay box (via starter cut relay 1), Starter (via starter cut relay 1 and starter cut relay 2)
	A2-6	RR DEF	30 A	Rear window defogger (via rear window defogger relay)
	A2-7	---	---	Not used
	A2-8	BLOWER	40 A	Blower motor (via blower motor relay)
	A2-9	---	---	Not used
	A2-10	SUB FAN	20 A	A/C condenser fan motor (via A/C condenser fan relay), Radiator fan motor (via A/C condenser fan relay and fan control relay)
	A2-11	MAIN FAN	20 A	Radiator fan motor (via radiator fan relay)
A5			7.5 A	PCM (STRLD)
A11			7.5 A	A/C condenser fan relay
A12			20 A	Fog light relay5, Fog lights (via fog light relay)5
A14			10 A	MICU (+B HAZARD), MICU (HAZARD SW) (via hazard warning switch)
A15			15 A	A/F sensor (sensor 1) (via PGM-FI subrelay), EVAP canister vent shut valve*3 (via PGM-FI subrelay), No. A11 fuse in the under-hood fuse/relay box (via PGM-FI subrelay), PGM-FI subrelay
A16			15 A	Ignition coil relay, Ignition coils (via ignition coil relay)
A17			15 A	Via brake pedal position switch: Brake lights, High mount brake light, MICU (STOP SW), PCM (STOP SW), Power control unit
A18			10 A	Battery sensor, Horn relay, Horns (via horn relay), Security horn (via security horn relay), Security horn relay
A20			10 A6 15 A7	Lighting relay 1 built into the relay circuit board, Right headlight (low) (via lighting relay 1 built into the relay circuit board)
A21			15 A	CKP sensor (via PGM-FI main relay 1), CMP sensor (via PGM-FI main relay 1)1, CMP sensor B (via PGM-FI main relay 1)2, Electronic throttle control system (ETCS) control relay (via PGM-FI main relay 1), Injectors (via PGM-FI main relay 1), PCM (FI MAIN RLY OUT) (via PGM-FI main relay 1), PGM-FI main relay 1, PGM-FI main relay 2 (FUEL PUMP) (via PGM-FI main relay 1)
A22			15 A	PCM (VBDBW) (via electronic throttle control system (ETCS) control relay)
A23			10 A6 15 A7	Left headlight (low) (via lighting relay 2 built into the relay circuit board), Lighting relay 2 built into the relay circuit board
A25			7.5 A	A/C compressor clutch (via A/C compressor clutch relay)
A26			15 A	Windshield washer motor (via windshield washer motor relay and windshield washer relay built into the under-dash fuse/relay box), Windshield washer relay circuit built into the under-dash fuse/relay box (via windshield washer motor relay)
A27			20 A	No. B34 and No. B35 fuses in the under-dash fuse/relay box (via taillight relay built into the relay circuit board), Taillight relay built into the relay circuit board
A28			7.5 A	Interior lights cut relay
A28			7.5 A	Via interior lights cut relay: Ceiling light, Driver's footwell light, Front individual map lights, Front passenger's footwell light, Trunk light, Vanity mirror lights (via vanity mirror light switches)
A29			10 A	AcuraLink control unit (XM receiver)49, ANC/active sound control unit10, Audio display unit8, Audio-navigation switch panel9, Audio-navigation unit9, Audio unit8, Automatic lighting control unit/sensor, Backup control unit, Data link connector (DLC), Gauge control module, HFL-ANC/active sound control microphone810, HFL-navigation-ANC/active sound control microphone9, Keyless access control unit, MICU (+B BACK UP), Navigation display unit9, Power control unit, Power window master switch, Roof console module11
1: R20A5 engine 2: K24Z7 engine 3: USA and Canada models 4: USA models 5: With fog light 6: Without HID 7: With HID 8: Without navigation 9: With navigation 10: With premium audio *11: With HomeLink