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Home >> Honda >> 2016 >> CR-V EX, Eng CD K24W9, FWD >> Repair and Diagnosis >> Electrical >> Fuses & Circuit Breakers >> Electrical System - Testing & Troubleshooting >> Fuse To Components Index >> Fuse to Components Index >> Under-Dash Fuse/Relay Box (B)

Under-Dash Fuse/Relay Box (B)

Fig 1: Under-Dash Fuse/Relay Box (B) Components Location
GHH48576Courtesy of HONDA, U.S.A., INC.
Under-Dash Fuse/Relay Box (B) Components Legend

Fuse Number Amps Component(s) or Circuit(s) Protected
B1 20 A Optional connector
B2 10 A CMP sensor A, Electrical load detector (ELD), EVAP canister purge valve, MAF sensor/IAT sensor, PCM (BKSWNC) (via brake pedal position switch), Secondary HO2S (SENSOR 2), Starter cut relay 1*2 , Starter cut relay 2*2
B3 10 A SRS unit
B4 15 A Electric steering lock*13 , Fuel pump (via PGM-FI main relay 2), Immobilizer-keyless control unit*1 , Keyless access control unit*2 , PCM (IG1 FUEL PUMP)
B5 10 A Electrical compass unit, Gauge control module, MICU (IG1 METER), Power tailgate control unit*14 , Power seat control unit*7 , Shift lock solenoid Via reverse relay circuit: Audio unit*15 , Automatic dimming inside mirror, Audio-navigation unit*4 , Left back-up light, MICU (BACK LT), Multi-information display unit*16 , Right back-up light
B6 7.5 A Automatic dimming inside mirror, Moonroof control unit/motor*17 , Real time AWD control unit, Real time AWD relay
B7 7.5 A PCM (IG1 FI-ECU)
B8 15 A Front passenger's door lock actuator, Right rear door lock actuator
B9 15 A Left rear door lock actuator
B10 --- Not used
B11*18 20 A Moonroof control unit/motor
B12 20 A Console accessory power socket (via console accessory power socket relay)
B13*2 15 A Rear window washer motor relay circuit (via washer main relay circuit built into the relay circuit board), Windshield washer motor relay circuit (via washer main relay circuit built into the relay circuit board), Windshield/rear window washer motor (via washer main relay circuit built into the relay circuit board, and windshield washer motor relay circuit built into the under-dash fuse/relay box), Windshield/rear window washer motor (via washer main relay circuit built into the relay circuit board, and rear window washer motor relay circuit built into the under-dash fuse/relay box)
B14*19 20 A Driver's seat heater (via driver's seat heater relay (LOW/HIGH) in the driver's seat heater relay holder), Front passenger's seat heater (via front passenger's seat heater relay (LOW/HIGH) in the front passenger's seat heater relay holder)
B15 10 A Driver's door lock actuator
B16 20 A Power seat control unit*7 Via driver's power seat adjustment switch*20 : Front up-down motor, Slide motor
B17 20 A Power seat control unit*7 Via driver's power seat adjustment switch*20 : Rear up-down motor, Recline motor
B18 --- Not used
B19 7.5 A Audio unit*3 , Audio-navigation unit*4 , Console accessory power socket relay, Front accessory power socket relay, HandsFreeLink control unit*21 , Keyless access control unit*2 , Optional connector
B20*1 7.5 A Key interlock solenoid, MICU (ACC KEY LOCK)
B21*22 7.5 A MICU (IG2 DAYLT)
B22 7.5 A A/C compressor clutch relay, Blower motor relay, Climate control unit*6 , Driver's seat heater relay (LOW/HIGH) (via driver's seat heater switch) Fan control relay Front passenger's seat heater relay (LOW/HIGH) (via front passenger's seat heater switch) Heated windshield wiper area relay, HVAC control unit*5 , Power mirror actuator (via power mirror switch), Power window master switch*23 , Radiator fan relay Rear window defogger relay, Seat heater switches
B23 10 A Rear window wiper main relay*2 , Rear window wiper motor*1 , Relay circuit board (washer motor main relay circuit)*2 , Relay circuit board (windshield wiper motor relay circuit)
B24 7.5 A EPS control unit, LDW OFF switch, Millimeter wave radar*8 , Multipurpose camera unit*8 , Steering angle sensor, VSA modulator-control unit
B25 10 A Audio unit (except display audio unit)*3 , HandsFreeLink control unit*21
B26*14 20 A Power tailgate control unit
B27 20 A Front accessory power socket (via front accessory power socket relay)
B28*1 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 built into the under-dash fuse/relay box), Windshield washer motor relay circuit built into the under-dash fuse/relay box, Windshield/rear window washer motor (via windshield washer motor relay circuit built into the under-dash fuse/relay box)
B29 7.5 A Front passenger's airbag cutoff indicator*11 Front passenger's weight sensor unit*11 SRS unit*12
B30 10 A Driver's door lock actuator
B31 10 A Electric steering lock*13 , Engine start/stop switch*2 , Keyless access control unit*2
B32 15 A Front passenger's door lock actuator, Right rear door lock actuator
B33 15 A Left rear door lock actuator
B34 10 A Left front parking light, Left front side marker light, Left license plate light, Left taillights, Right front parking light, Right front side marker light, Right license plate light, Right taillights
B35 7.5 A ACC/LKAS switch light*8 , Ambient light, A/T gear position indicator light, Audio-navigation unit*10 , Audio remote/multi-information display switch light, Climate control unit*6 , Cruise control combination switch light*9 Driver's power tailgate switch light, Driver's seat heater switch light, ECON switch light, Front passenger's power window switch light*17 , Front passenger's seat heater switch light, Hazard warning switch light, Heated windshield wiper area switch light, HFL switch light, HVAC control unit*5 , LDW OFF switch light, Left rear power window switch light*17 , Moonroof switch light, Power mirror switch light*17 , Power window master switch light*17 , Right rear power window switch light*17 , VSA OFF switch light
B36 10 A*2 Rear window wiper motor (via rear window wiper main relay circuit built into the under-dash fuse/relay box)
B37 20 A Left fog light (via fog light relay), Right fog light (via fog light relay)
B38 10 A MICU (+B L H/L HI)
B39 10 A MICU (+B R H/L HI)
B40 --- Not used
B41 20 A Tailgate release actuator (via tailgate release actuator relay circuit built into the under-dash fuse/relay box) Built into the under-dash fuse/relay box: Driver's power door lock relay circuit (DR UNLOCK), Power door lock relay circuit (LOCK), Power door lock relay circuit (UNLOCK), Tailgate release actuator relay circuit
B42 20 A Power window master switch
B43 20 A Right rear power window motor (via power window master switch and right rear power window switch)*17 , Right rear power window motor (via right rear power window switch)*17 , Right rear power window switch*23 ,
B44 20 A Front passenger's power window motor (via power window master switch and front passenger's power window switch)*17 , Front passenger's power window motor (via front passenger's power window switch)*17 , Front passenger's power window switch*23 ,
B45 20 A Left rear power window motor (via power window master switch and left rear power window switch)*17 , Left rear power window motor (via left rear power window switch)*17 , Left rear power window switch*23 ,
B46 ---- Not used
*1: Without keyless access system
*2: With keyless access system
*3: Without navigation
*4: With navigation
*5: Without climate control
*6: With climate control
*7: With DPMS
*8: With ACC
*9: Without ACC
*10: With Mexico model navigation
*11: USA and Canada models
*12: Mexico model
*13: With electric steering lock
*14: With power tailgate
*15: Without navigation and with display audio
*16: With normal audio and with rear view camera
*17: Without door multiplex control unit
*18: With moonroof
*19: With seat heater
*20: Without DPMS and with power seat
*21: Without short message service
*22: With LED daytime running light
*23: With door multiplex control unit