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Under-Dash Fuse/Relay Box

Fig 1: Under-Dash Fuse/Relay Box Component Locations
GHH384310Courtesy of HONDA, U.S.A., INC.
Under-Dash Fuse/Relay Box Legend

Fuse Number Amps Component (s) or Circuit (s) Protected Feature
C1 10 A Body control module, Audio unit *2, SBW shifter control module, Front accessory power socket relay, Telematics control unit *1, Audio-navigation unit *1 *1: With navigation*2: Without navigation
C2 --- Not used  
C3 10 A Battery condition monitor module  
C4 5 A SBW shifter control module  
C5 10 A Acoustic vehicle alerting control unit, Acoustic vehicle alerting control unit *1 (via the acoustic vehicle alerting system off switch), Acoustic vehicle alerting system off switch *1, Active noise cancellation unit, Front passenger's airbag cutoff indicator *5, Brake light relay circuit (built into the relay circuit board), Telematics control unit *3, Multipurpose camera unit *4, Millimeter wave radar *4, Front seat heater control unit *2Left side BSI radar unit *6, Right side BSI radar unit *6 *1: With acoustic vehicle alerting system off switch*2: With seat heater*3: With navigation*4: With multipurpose camera unit*5: KA and KC models*6: With BSI
C6 5 A Park pawl actuator driver unit  
C7 10 A Can gateway, Gauge control module, Relay control module, Reverse relay circuit (2 wires) (built in under-dash fuse/relay box) *: With automatic dimming inside mirror
Via the reverse relay circuit:
Left back-up light, Right back-up light, Body control module, Automatic dimming inside mirror *
C8 15 A PGM-FI main relay 2, Fuel pump (via the PGM-FI main relay 2), Body control module, No. C11 fuses in the under-dash fuse/relay box  
C9 10 A Blower motor relay, Rear window defogger relay, Radiator fan relay, PTC heater A relay, PTC heater B relay, Automatic dimming inside mirror *1Climate control unit, Climate control panel, Power window master switch, Power mirror switch, Power window master switch (3 wires) (via the power mirror switch), Left power mirror actuator (3 wires) (via the power mirror switch), Mirror defogger switch *2, Left rear seat heater switch *3, Right rear seat heater switch *3Front seat heater relay circuit (built into the under-dash fuse/relay box) *4 *1: With automatic dimming inside mirror*2: With mirror defogger*3: With rear seat heater*4: With seat heater
C10 --- Not used  
C11 5 A PCM  
C12 10 A Front passenger's door lock actuator, Right rear passenger's door lock actuator,  
C13 10 A Left rear passenger's door lock actuator  
C14 20 A Left rear power window switch, Left rear power window motor (2 wires) (via the left rear power window switch)  
C15 20 A Front passenger's power window switch  
C16 20 A Trunk lid release actuator relay circuit (2 wires) (built in under-dash fuse/relay box), Power door lock relay circuit (DR UNLOCK) (2 wires) (built in under-dash fuse/relay box), Power door lock relay circuit (UNLOCK) (2 wires) (built in under-dash fuse/relay box), Power door lock relay circuit (LOCK) (2 wires) (built in under-dash fuse/relay box), Trunk lid release actuator (via the trunk lid release actuator relay circuit), No. C12, No. C25, and No. C38, fuses in the under-dash fuse relay box (via the power door lock relay circuit (LOCK)), No. C13, and No. C26, fuses in the under-dash fuse relay box (via the power door lock relay circuit (UNLOCK)), No. C39 fuse in the under-dash fuse relay box (via the power door lock relay circuit (DR UNLOCK))  
C17 7.5 A PCM  
C18 --- Not used  
C19 20 A Moonroof motor-control unit  
C20 5 A Electric servo brake control unit/pedal feel simulator  
C21 10 A Brake pedal position switch, Secondary HO2S (sensor 2), MAF sensor/IAT sensor 1, PCM (via the brake pedal position switch), Electric A/C compressor  
C22 7.5 A Body control module  
C23 --- Not used  
C24 --- Not used  
C25 10 A Driver's door lock actuator, Fuel fill door lock actuator * *: Without fuel fill door opener solenoid
C26 10 A Front passenger's door lock actuator, Right rear passenger's door lock actuator  
C27 20 A Right rear power window switch, Right rear power window motor (via the right rear power window switch)  
C28 20 A Power window master switch  
C29 20 A Front accessory power socket relay, Front accessory power socket (via the front accessory power socket relay)  
C30 10 A Electric parking brake switch, Audio remote-HFL switch (via the cable reel)  
C31 * 20 A Driver's power seat adjustment switch, Rear up-down motor (2 wires) (via the driver's power seat adjustment switch), Recline motor (2 wires) (via the driver's power seat adjustment switch) *: With driver's power seat
C32 20 A Front seat heater relay circuit * (built into the under-dash fuse relay box), Front seat heater control unit * (via the front seat heater relay circuit) *: With seat heater
C33 * 20 A Driver's power seat adjustment switch, Front up-down motor (2 wires) (via the driver's power seat adjustment switch), Slide motor (2 wires) (via the driver's power seat adjustment switch) *: With driver's power seat
C34 10 A EPS control unit, VSA modulator-control unit  
C35 10 A SRS unit  
C36 --- Not used  
C37 15 A Battery fan relay, High voltage battery module fan (via the battery fan relay)  
C38 10 A Left rear passenger's door lock actuator  
C39 10 A Driver's door lock actuator, Fuel fill door lock actuator * *: Without fuel fill door opener solenoid