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Under-Hood Fuse/Relay Box

Fig 1: Under-Hood Fuse/Relay Box Component Locations
GHH554557Courtesy of HONDA, U.S.A., INC.
Under-Hood Fuse/Relay Box Legend

Fuse Number Amps Component(s) or Circuit(s) Protected Feature
B1 --- Not used  
B2 --- Not used  
B3 10 A PCM (IG1)  
B4 10 A Rear window wiper motor  
B5 10 A Brake light relay, VSA modulator-control unit  
B6 40 A Power distribution module  
B7 15 A Electronic throttle control system (ETCS) control relay  
Via electronic throttle control system (ETCS) control relay: No. B27, No. B31, and No. B32 fuses in the under-hood fuse/relay box, PCM (DBW_RLY_OUT)
B8 15 A TCM  
B9 15 A Injector relay, PGM-FI main relay 1  
Via PGM-FI main relay 1:PCM (FI_MAIN_RLY_OUT), Power distribution module
B10 30 A No. B26 fuse in the under-hood fuse/relay box (via starter cut relay 1), Starter (via starter cut relay 1 and starter cut relay 2)  
B11 20 A PCM (INJ_RLY_OUT) (via injector relay) (2 wires)  
B12 15 A Body control module (+B_HAZARD)  
B13 10 A TCM  
B14 10 A TCM  
B15 30 A *120 A *2 Power distribution module *1:'19-21
*2:'22-23
B16 30 A Radiator fan motor (via radiator fan relay)  
B17 10 A *115 A *2 Power distribution module *1:'19-21
*2:'22-23
B18 10 A Automatic lighting control unit-sensor *1, Automatic lighting/rain sensor *2, Body control module (+B_BACK_UP), CAN gateway, Data link connector (DLC), Driver's door courtesy light, Driver's door inner handle light *3, Driver's door pocket light *3, Driver's footwell light *3, Driver's power seat control unit, Electric parking brake switch, Front passenger's door courtesy light, Front passenger's door inner handle light *3, Front passenger's door pocket light *3, Front passenger's footwell light *3, Front passenger's power seat control unit *4, Gauge control module, Hands free access power tailgate control unit/sensor *5, Head up display *6, Master lighting control unit *3, Left console ambient light *3, Passenger's instrument panel ambient light *3, Pass through light *3, Power mirror control unit, Power tailgate control unit, Power window master switch, Rearview mirror, Rear console ambient light *3 *1: Without automatic wiper
*2: With automatic wiper
*3: With master lighting control unit
*4: With 16-way power seat
*5: With hands free access power tailgate
*6: With head up display
B19 7.5 A Via brake pedal position switch: Body control module (STOP_SW), PCM (STOP_SW)  
Via brake light relay: High mount brake light, Left inner taillight, Left taillight, Right inner taillight, Right taillight, VSA modulator-control unit
Via brake pedal position switch and brake light relay: High mount brake light, Left inner taillight, Left taillight, Right inner taillight, Right taillight, VSA modulator-control unit
B20 30 A *120 A *2 Power distribution module *1:'19-21
*2:'22-23
B21 10 A PCM (+B_VBU)  
B22 * 15 A Via heated windshield wiper area relay: Heated windshield wiper area, Heated windshield wiper area switch light *: With heated windshield wiper area
B23 15 A Power distribution module  
B24 15 A Rear window washer motor relay, Windshield/rear window washer motor (via rear window washer motor relay), Windshield/rear window washer motor (via windshield washer motor relay), Windshield washer motor relay  
B25 30 A A/C condenser fan motor (via A/C condenser fan relay)  
B26 7.5 A PCM (START_DIAG)  
B27 10 A A/C condenser fan relay, Turbocharger bypass control solenoid valve  
B28 --- Not used  
B29 10 A Right headlight  
B30 10 A Left headlight  
B31 10 A PCM (VBACT)  
B32 10 A A/F sensor (Sensor 1), EVAP canister purge valve, EVAP canister vent shut valve* *: USA and Canada models
B33 --- Not used