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Under-Dash Fuse/Relay Box

Fig 1: Under-Dash Fuse/Relay Box Components Location
GHH433850Courtesy of HONDA, U.S.A., INC.
Under-Dash Fuse/Relay Box Legend

Fuse Number Amps Component(s) or Circuit(s) Protected
C1 20 A No. C4 and No. C5 fuses in the under-dash fuse/relay box (via power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box)), No. C6 fuse in the under-dash fuse/relay box (via power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box)), No. C12 and No. C13 fuses in the under-dash fuse/relay box (via power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box)), Power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box), Power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box), Power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box), Tailgate release actuator (via tailgate release actuator relay circuit (built into under-dash fuse/relay box)), Tailgate release actuator relay circuit (built into under-dash fuse/relay box)
C2 --- Not used
C3* 1 10 A Electric steering lock (+B SMART), Engine start/stop switch, Keyless access control unit (+B SMART)
C4 10 A Left rear door lock actuator
C5 10 A Front passenger's door lock actuator, Right rear door lock actuator
C6 10 A Driver's door lock actuator
C7 10 A Driver's door lock actuator
C8 20 A Power window master switch (+B P/W DR)
C9 20 A Front passenger's power window motor (via front passenger's power window switch), Front passenger's power window motor (via power window master switch and front passenger's power window switch), Power window master switch (+B P/W AS)
C10 20 A Left rear power window motor (via left rear power window switch), Left rear power window motor (via power window master switch and left rear power window switch)
C11 20 A Right rear power window motor (via right rear power window switch), Right rear power window motor (via power window master switch and right rear power window switch)
C12 10 A Left rear door lock actuator
C13 10 A Front passenger's door lock actuator, Right rear door lock actuator
C14 --- Not used
C15 10 A MICU (+B R H/L HI)
C16* 2 7.5 A Starter cut relay
C17 --- Not used
C18* 3 20 A Moonroof motor-control unit (+B SUNROOF)
C19* 4 20 A Front seat heater control unit (FR H/SEAT RLY OUT) (via front seat heater relay)
C20* 14 10 A Daytime running light relay, Left daytime running light (via daytime running light relay), Right daytime running light (via daytime running light relay)
C21* 5 10 A Multipurpose camera unit (+B MP CAMERA)
C22 15 A Rear window washer motor relay circuit (built into the under-dash fuse/relay box), Windshield/rear window washer motor (via rear window washer motor relay circuit and windshield washer motor relay circuit (built into the under-dash fuse/relay box)), Windshield washer motor relay circuit (built into the under-dash fuse/relay box)
C23 10 A Rear window wiper motor (via rear wiper motor relay)
C24 7.5 A A/C compressor clutch relay, Blower motor relay, Climate control unit (IG2 A/C)* 7, Front seat heater relay* 4, Heated windshield wiper area relay* 6, HVAC control unit (IG2 A/C)* 8, Left power mirror actuator (via power mirror switch), Radiator fan relay, Rear window defogger relay, Right power mirror actuator (via power mirror switch)
C25 7.5 A MICU (IG2 DRL)
C26 7.5 A Starter cut relay 1, Starter cut relay 2
C27 7.5 A Brake light relay, Electric parking brake control unit (IG1 VSA/EPS), EPS control unit (IG1 VSA/EPS), Steering angle sensor, VSA modulator-control unit (IG1 VSA/EPS)
C28 10 A SRS unit (IG1 SRS)
C29 10 A MICU (+B L H/L HI)
C30 10 A EVAP canister purge valve, MAF sensor, PCM (BKSWNC) (via brake pedal position switch), Reverse lockout solenoid* 9, Secondary HO2S (Sensor 2)
C31* 1 10 A Windshield wiper motor relay
C32 15 A Fuel pump (via PGM-FI main relay 2 (built into the under-dash fuse/relay box)), Immobilizer-keyless control unit (IG1 FUEL PUMP)* 2, Keyless access control unit (IG1 FUEL PUMP)* 1, Electric steering lock (IG1 FUEL PUMP)* 1
C33 7.5 A Front passenger's airbag ON/OFF indicator, SRS unit (IG1 SRS2)
C34 7.5 A Audio unit (BACK LT) (via reverse relay circuit (built into the under-dash fuse/relay box))* 10* 12, Audio unit (BACK LT) (via back-up light switch and under-dash fuse/relay box)* 9* 12, Audio-navigation unit (BACK LT) (via reverse relay circuit (built into the under-dash fuse/relay box))* 13, Automatic dimming inside mirror (via reverse relay circuit (built into the under-dash fuse/relay box))* 10, A/T gear position indicator* 10, Diode (via back-up light switch and under-dash fuse/relay box)* 9* 15, Diode (via reverse relay circuit (built into the under-dash fuse/relay box))* 10* 15, Gauge control module (IG1 METER), Left back-up light (via reverse relay circuit (built into the under-dash fuse/relay box)) *10, MICU (BACK LT) (via reverse relay circuit (built into the under-dash fuse/relay box)), MICU (IG1 METER), Reverse relay circuit (built into the under-dash fuse/relay box), Right back-up light (via reverse relay circuit (built into the under-dash fuse/relay box))* 10, Shift lock solenoid* 10
C35 7.5 A Left back-up light (via back-up light switch)* 9, PCM (BKLT-) (via back-up light switch)* 9, PCM (IG1 MISS SOL)* 10, Right back-up light (via back-up light switch)* 9
C36 20 A Front accessory power socket
C37 7.5 A Audio unit* 12*16, Audio-navigation unit* 13*16, A/T gear position indicator* 10, Console accessory power socket relay, Diode* 15, Electric parking brake control unit (ACC), MICU (ACC), Rear accessory power socket relay
C38 --- Not used
C39 10 A AWD relay* 11, AWD control unit (IG1 OPTION)* 11, Moonroof motor-control unit (IG1 OPTION)* 3, Front seat heater control unit (IG1 OPTION)* 4
C40 10 A Rear window wiper motor* 2, Rear wiper motor relay* 1
C41 --- Not used
C42 --- Not used

*1: With keyless access system

*2: Without keyless access system

*3: With moonroof

*4: With seat heater

*5: With forward collision warning

*6: With heated windshield wiper area

*7: With climate control

*8: Without climate control

*9: M/T

*10: CVT

*11: AWD

*12: Without navigation

*13: With navigation

*14: With LED headlight

*15: With diode (integrated with dashboard wire harness)

*16: Without diode