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Under-Hood Fuse/Relay Box (A)

Fig 1: Under-Hood Fuse/Relay Box (A) Replacement Components
GHH464691Courtesy 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 +B EPS 70 A EPS control unit
A1-2 --- --- Not used
A1-3 +B ABS/VSA MTR 30 A VSA modulator-control unit
A1-4 +B ABS/VSA FSR 40 A VSA modulator-control unit
A1-5 +B WIPER MOTOR 30 A Windshield wiper HIGH/LOW relay circuit built into the relay circuit board (Via windshield wiper main relay),
Windshield wiper intermittent relay circuit built into the relay circuit board (Via windshield wiper main relay),
Windshield wiper motor (Via windshield wiper main relay, windshield wiper intermittent relay circuit, and windshield wiper HIGH/LOW relay circuit built into the relay circuit board)
A1-6 MAIN FUSE 120 A Alternator,
Power supply
A2 A2-1 +B IG MAIN 50 A No. B16 and No. B17 fuses in the under-dash fuse/relay box
A2-2 +B F/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 +B F/BOX MAIN 2 60 A No. B10, No. B11, No. B12, No. B13, No. B14, and No. B31 fuses in the under-dash fuse/relay box
A2-4 +B H/L MAIN 30 A No. B37, No. B38, and No. B39 fuses in the under-dash fuse/relay box
A2-5 +B ST CUT 1 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 +B RR DEF 30 A Condenser (Via rear window defogger relay)
A2-7 +B IG MAIN 1 30 A Via IG1A relay circuit (Built into the under-dash subrelay box):
No. B2, No. B3, No. B4, No. B5, No. B6, and No. B7 fuses in the under-dash fuse/relay box
Via IG2 relay circuit (Built into the under-dash subrelay box):
No. B21 and No. B22 fuses in the under-dash fuse/relay box
A2-8 +B HTR MTR 40 A Blower motor (Via blower motor relay)
A2-9 +B IG MAIN 2 30 A Via IG1B relay circuit (Built into the under-dash subrelay box):
No. B24 and No. B29 fuses in the under-dash fuse/relay box
Via accessory relay:
No. B19 and No. B20 fuses in the under-dash fuse/relay box
A2-10 +B SUB FAN MTR 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 +B MAIN FAN MTR 20 A Radiator fan motor (Via radiator fan relay)
A4 --- Not used
A5 7.5 A PCM (STRLD)
A6 --- Not used
A7 --- Not used
A8 --- Not used
A9 --- Not used
A10 --- Not used
A11 7.5 A A/C condenser fan relay
A12 20A Fog light relay*1,
Fog lights (via fog light relay)*1
A13 20 A Injector relay,
PCM (INJ RLY OUT) (Via injector relay)
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),
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 7.5 A Daytime running light relay
Via daytime running light relay:
Left front position light/daytime running light,
Right front position light/daytime running light
A18 10 A Battery sensor,
Brake light relay*2,
Horn relay,
Horns (Via horn relay)
Via brake pedal position switch:
High mount brake light,
MICU (STOP SW),
PCM (STOP SW),
Taillights
Via brake light relay*2:
VSA modulator-control unit*2,
High mount brake light*2,
Taillights*2
A19 --- Not used
A20 10 A 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 PGM-FI main relay 1
Via PGM-FI main relay 1:
CKP sensor,
CMP sensor B,
Electronic throttle control system (ETCS) control relay,
PCM (FI MAIN RLY CL-),
PCM (IGP(ECU)),
PGM-FI main relay 2
A22 15 A PCM (VBDBW) (Via electronic throttle control system (ETCS) control relay)
A23 10 A 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 FR washer relay circuit built into the under-dash fuse/relay box (Via windshield washer motor relay),
Windshield washer motor (Via windshield washer motor relay and FR washer relay circuit built into the under-dash fuse/relay box)
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 light cut relay
Via interior light cut relay:
Ceiling light,
Driver's footwell light,
Driver's vanity mirror light,
Front individual map lights,
Front passenger's footwell light,
Passenger's vanity mirror light,
Trunk light
A29 10 A ANC/active sound control unit,
Audio display unit*8,
Audio unit*5,
Audio-navigation unit*6,
Automatic lighting control unit-sensor*3,
Automatic lighting/rain sensor*4,
Center display unit*9,
Data link connector (DLC),
Gauge control module,
HFL-ANC/active sound control microphone*8,
Keyless access/TPMS control unit,
Multipurpose camera unit*10,
MICU (+B BACK UP),
Power seat control unit*11,
Power window master switch,
Telematics control unit*6*7
*1: With fog light
*2: With CMBS
*3: Without automatic wiper
*4: With automatic wiper
*5: Without navigation
*6: With navigation
*7: USA and Canada models
*8: Without touch screen
*9: With touch screen
*10: With LKAS
*11: With DPMS