2019 Accord Fuse Diagram

2019 Accord Fuse Diagram

2019 Accord Fuse Diagram

2019 Accord Fuse Diagram for the underhood fuse box

Fuse A1 125A Fuse Powers

A3-2 30A A/C condenser fan motor (via A/C condenser fan relay)
A3-3 30A PCM (START DIAG) (via starter cut relay 1 circuit (built into the relay circuit board)),
Starter (via starter cut relay 1 circuit and starter cut relay 2 circuit (built into the relay circuit board))
A3-5 40A Blower motor (via blower motor relay)
A3-7 60A No. B48 *, No. B49, No. B50, No. B53, and No. B54 fuses in the under-dash fuse/relay box, No. B51 and No. B52 fuses in the under-dash fuse/relay box (via power window relay), Power window relay. *: With head up display
A3-8 40A Rear window defogger (via rear window defogger relay)
A4-2 *1: With stereo amplifier
A4-4 60A No. B33 *1, No. B34 *2, No. B38 *1, No. B39 *2, No. B40 *1, No. B42, No. B43, and No. B44 *3 fuses in the under-dash fuse/relay box

*1: With stereo amplifier
*2: With heated steering wheel
*3: With rear seat heater
*4: With heated windshield wiper area
*5: With fog light
*6: With shutter grille
*7: With display audio

Fuse block A2 powers

A2-1 30A Via IG1A relay circuit (built into the relay circuit board):No. A40, No. A41, No. A42, and No. A43 fuses in the under-hood fuse/relay box, Body control module (IG1-A SIG)
A2-2 30A Not used
A2-3 40A VSA modulator-control unit (+B ABS/VSA FSR)
A2-4 40A Electric brake booster (+B BOOSTER MTR)
A2-5 60A No. B6, No. B9, No. B16, No. B17 *1, and No. B20 *2 fuses in the under-dash fuse/relay box
*1: With moonroof *2: With SBW shifter
A2-6 30A Not used
A2-7 70A EPS control unit (+B EPS)
A2-8 70A Not used

Fuse block A3 powers

A3-1 30A Not used
A3-2 30A A/C condenser fan motor (via A/C condenser fan relay)
A3-3 30A PCM (START DIAG) (via starter cut relay 1 circuit (built into the relay circuit board)),
Starter (via starter cut relay 1 circuit and starter cut relay 2 circuit (built into the relay circuit board))
A3-4 40A Not used
A3-5 40A Blower motor (via blower motor relay)
A3-6 30A Not used
A3-7 60A No. B48 *, No. B49, No. B50, No. B53, and No. B54 fuses in the under-dash fuse/relay box,
No. B51 and No. B52 fuses in the under-dash fuse/relay box (via power window relay),
Power window relay *: With head up display
A3-8 40A Rear window defogger (via rear window defogger relay)

Fuse block A4 powers

A4-1 30A Not used
A4-2* 70A No. B24 fuse in the under-dash fuse/relay box *With stereo amplifier
A4-3 40A Not used
A4-4 60A No. B33 *1, No. B34 *2, No. B38 *1, No. B39 *2, No. B40 *1, No. B42, No. B43, and No. B44 *3 fuses in the under-dash fuse/relay box — *1: With power seat
*2: With front passenger’s power seat, *3: With adaptive damper system,

Fuse block A5 powers

A5-1 40A Not used
A5-2 30A Radiator fan motor (via radiator fan relay)
A5-3 30A Relay control module (+B R/M2)
A5-4 40A VSA modulator-control unit (+B ABS/VSA MTR)
A5-5 30A Via IG1B relay circuit (built into the under-dash fuse/relay box):
Body control module (IG1-B SIG), No. B35, No. B36, No. B37, and No. B46 fuses in the under-dash fuse/relay box.
Via IG2 relay circuit (built into the under-dash fuse/relay box):
Body control module (IG2 SIG),
No. B14 and No. B15 fuses in the under-dash fuse/relay box
Via ACC relay circuit (built into the under-dash fuse/relay box):
No. B4 and No. B5 fuses in the under-dash fuse/relay box
A5-6 30A Windshield wiper control unit/motor

A6 30A Relay control module (+B R/M1)
A7 ――― Not used
A8 ――― Not used
A9 10A Via brake pedal position switch: Body control module (STOP SW), PCM (STOP SW)
Via brake light relay circuit (built into the relay circuit board): High mount brake light, Left brake light, Right brake light, VSA modulator-control unit (STOP LT)
Via brake pedal position switch and brake light relay circuit (built into the relay circuit board): High mount brake light, Left brake light, Right brake light,
VSA modulator-control unit (STOP LT)
A10 15A TCM (VB1) *1, TCM (+B) *2 *1: A/T *2: CVT
A11 20A PCM (INJ RLY OUT) (via injector relay)
A12* 10A TCM (VB2) *: A/T
A13 15A Injector relay, PGM-FI main relay 1 circuit (built into the relay circuit board) Via PGM-FI main relay 1 circuit (built into the relay circuit board): PGM-FI main relay 2 , PCM (FI MAIN RLY OUT)
A14* 10A TCM (VB3) *: A/T
A15 10A PCM (+B BACKUP FI-ECU)
A16 7.5A 12 volt battery sensor (BATT IR(BATT SNSR))
A17 15A PGM-FI subrelay circuit (built into the relay circuit board) Via PGM-FI subrelay circuit (built into the relay circuit board): No. A36, No. A37, and No. A38 fuses in the under-hood fuse/relay box, PCM (FI SUB RLY OUT)
A18 15A Ignition coil relay circuit (built into the relay circuit board),
Ignition coils (via ignition coil relay circuit (built into the relay circuit board))
A19 15A Body control module (+B HAZARD)
A20 ――― Not used
A21 ――― Not used
A22* 10A Heated steering wheel control unit (via heated steering wheel relay) *: With heated steering wheel
A23 ――― Not used
A24 15A Active noise cancellation unit (+B AUDIO), Audio unit (+B AUDIO) *1, Audio-navigation unit (+B AUDIO) *2, Center display unit, Telematics control unit (+B AUDIO) *3, USB charger unit (+B AUDIO) *4 *1: Without navigation, *2: With navigation
*3: With telematics, *4: With USB charger
A25* 20A Rear seat heater control unit (RR H/SEAT RLY SW) (via rear seat heater relay) *: With rear seat heater
A26* 15A Via heated windshield wiper area relay: Heated windshield wiper area,
Heated windshield wiper area switch
A27 10A Automatic lighting control unit-sensor *1*3, Automatic lighting/rain sensor *2, Body control module (+B BACK UP), CAN gateway (+B BACK UP) *4, Data link connector (DLC), Gauge control module (+B BACK UP), HomeLink ® unit (+B BACK UP) *5,
Power seat control unit (+B BACK UP) *6, Power window master switch (+B BACK UP),
Relay control module (+B BACK UP), Wireless charger (+B BACK UP) *7 *1: Without automatic wiper *2: With automatic wiper *3: With automatic lighting *4: With ACC
*5: With HomeLink ® *6: With DPMS *7: With wireless charger
A28 10A 12 volt battery sensor (+B HORN), Horn relay, Horn (high) (via horn relay),
Horn (low) (via horn relay)
A29* 10A Fog light relay, Left fog light (via fog light relay), Right fog light (via fog light relay) *: With fog light
A30* 7.5A Shutter grille *: With shutter grille
A31 10A A/C compressor clutch (via A/C compressor clutch relay)
A32 15A Windshield washer motor relay circuit (built into the relay circuit board),
Windshield washer motor (via windshield washer motor relay circuit (built into the relay circuit board))
A33 ――― Not used
A34 ――― Not used
A35*1 7.5A Audio unit (+B AUDIO SUB) *2, Audio-navigation unit (+B AUDIO SUB) *3
*1: With display audio, *2: Without navigation, *3: With navigation
A36 7.5A A/C condenser fan relay, Fan control relay, Turbocharger bypass control solenoid valve **: 2.0 L engine
A37 7.5A A/F sensor (sensor 1), EVAP canister purge valve, EVAP canister vent shut valve * *: USA and Canada models
A38 7.5A PCM (VB ACT)
A39 10A TCM (IG1)
A40 20A Body control module (IG1 FUEL PUMP), Electric steering lock (IG1 FUEL PUMP) *, Fuel tank unit (via PGM-FI main relay 2), No. A44 fuse in the under-hood fuse/relay box *: With electric steering lock
A41 7.5A Brake light relay circuit (built into the relay circuit board), EPS control unit (IG1 VSA/ABS) *1 (IG1 ABS/VSA) *2, VSA modulator-control unit (IG1 VSA/ABS) *1 (IG1 ABS/VSA) *2 *1: ’18 *2: ’19
A42 10A Left back-up light (via back-up light switch) *1, PCM (BKSWNC) (via brake pedal position switch), Right back-up light (via back-up light switch) *1,
Reverse lockout solenoid *1, SBW shifter control module (IG1 ACG) *2,
Secondary HO2S (sensor 2), Turbocharger bypass control solenoid valve *3 *1: M/T
*2: With SBW shifter, *3: 1.5 L engine,
A43 10A Stater cut relay 1 circuit (built into the relay circuit board),
Stater cut relay 2 circuit (built into the relay circuit board)
A44 7.5A PCM (IG1)

2019 Accord Fuse Diagram for the Under dash fuse box

B1 ――― Not used
B2 10A Left rear door lock actuator
B3 10A Front passenger’s door lock actuator, Right rear door lock actuator
B4 10A Audio unit (IG1 WITH DIODE FMVSS) *1, Audio-navigation unit (IG1 WITH DIODE FMVSS) *2, Console accessory power socket relay, Front accessory power socket relay, Rear camera ACC diode (integrated with the dashboard wire harness), Shift position indicator (ACC) *3, Telematics control unit (ACC) *4, USB charger unit (ACC) *5,
USB port light *1: Without navigation *2: With navigation *3: CVT *4: With telematics *5: With USB charger
B5 7.5A Body control module (ACC KEYLOCK), Wireless charger (ACC KEYLOCK) * *: With wireless charger
B6 10A SRS unit (+B SRS)
B7 ――― Not used
B8 ――― Not used
B9 10A Body control module (+B SMART), Body control module (SS1(+)) (via engine start/stop switch), Electric steering lock (+B SMART) *, Engine start/stop switch *: With electric steering lock
B10 ――― Not used
B11 10A Fuel fill door lock actuator, Left rear door lock actuator
B12 10A Driver’s door lock actuator
B13 10A Front passenger’s door lock actuator, Right rear door lock actuator
B14 10A Automatic dimming inside mirror (IG2 A/C) *1, A/C compressor clutch relay,
Blower motor relay, Climate control panel, Climate control unit, Front seat heater relay circuit (built into the under-dash fuse/relay box) *2, Heated steering wheel relay *3, Heated windshield wiper area relay *4, Power window master switch (IG2 A/C), Radiator fan relay, Rear seat heater relay *5, Rear window defogger relay
*1: With automatic dimming inside mirror *2: With seat heater *3: With heated steering wheel *4: With heated windshield wiper area *5: With rear seat heater Via power mirror switch: Left power mirror actuator, Power window master switch
B15 10A Body control module (IG2 DRL)
B16 20A Console accessory power socket (via console accessory power socket relay)
B17* 20A Moonroof motor-control unit *: With moonroof
B18 ――― Not used
B19 ――― Not used
B20* 10A SBW shifter control module (+B SHIFTER) *: With SBW shifter
B21 10A Driver’s door lock actuator, Fuel fill door lock actuator
B22 ――― Not used
B23 ――― Not used
B24* 20A Stereo amplifier *: With stereo amplifier
B25 ――― Not used
B26 ――― Not used
B27 ――― Not used
B28 ――― Not used
B29 ――― Not used
B30 ――― Not used
B31 ――― Not used
B32 ――― Not used
B33*1 20A Via driver’s power seat adjustment switch *2: Driver’s power seat front up-down motor *2, Driver’s power seat slide motor *2 *1: With power seat *2: Without DPMS *3: With DPMS Power seat control unit (+B/P-SEAT1) *3
B34* 20A Front passenger’s power seat slide motor (via front passenger’s power seat adjustment switch) *: With front passenger’s power seat
B35 10A Electric brake booster
B36 10A Active noise cancellation unit (IG1 METER), CAN gateway (IG1 METER) *1, Gauge control module (IG1 METER), Head up display (IG1 METER) *2, Parking and back-up sensor control unit (IG1 METER) *3, Relay control module (IG1 METER), Reverse relay circuit (built into the under-dash fuse/relay box) *4*5, Shift lock solenoid *5, Telematics control unit (IG1 METER) *6 *1: With ACC *2: With head up display *3: With parking and back-up sensor system *4: A/T *5: CVT *6: With telematics *7: With automatic dimming inside mirror Via reverse relay circuit (built into the under-dash fuse/relay box) *4*5: Automatic dimming inside mirror (BACK LT) *7,
Body control module (BACK LT) *4*5, Left back-up light *4*5, Rear camera IG1 diode (integrated with the dashboard wire harness), Right back-up light *4*5
B37 10A Adaptive damper control unit (IG1 OPTION) *1, Front passenger’s airbag cutoff indicator *2, Front passenger’s airbag ON/OFF indicator *3, Front seat heater control unit (IG1 OPTION) *4*6, Left rear seat heater switch *7, Left side BSI radar unit *8, Millimeter wave radar *9, Multipurpose camera unit *9, Parking and back-up sensor control unit (C/SNSR SW) (via parking and back-up sensor switch) *10,
Parking and back-up sensor switch *10, Power seat control unit (IG1 METER) *11,
Rear seat heater control unit (IG1 OPTION) *7, Rear seat heater control unit (HEAT IND SW RR L) (via left rear seat heater switch) *7, Rear seat heater control unit (HEAT IND SW RR R) (via right rear seat heater switch) *7, Right rear seat heater switch *7, Right side BSI radar unit *8, Shift position indicator (IG1 OPTION) *12,
Ventilated seat control unit (IG1 OPTION) *5 *1: With adaptive damper system *2: USA and Canada models *3: Mexico model *4: Without ventilated seat *5: With ventilated seat *6: With seat heater *7: With rear seat heater *8: With BSI *9: With ACC*10: With parking and back-up sensor system *11: With DPMS *12: CVT
B38*1 20A Via driver’s power seat adjustment switch *2: Driver’s power seat rear up-down motor *2, Driver’s power seat recline motor *2 *1: With power seat *2: Without DPMS *3: With DPMS Power seat control unit (+B/P-SEAT2) *3
B39* 20A Front passenger’s power seat recline motor (via front passenger’s power seat adjustment switch) *: With front passenger’s power seat
B40* 10A Power lumbar support motors (via power lumbar support switch) *: With power seat
B41 ――― Not used
B42 20A Via front seat heater relay circuit (built into the under-dash fuse/relay box): Driver’s seat-back blower motor *2, Driver’s seat cushion blower motor *2, Front passenger’s seat-back blower motor *2, Front passenger’s seat cushion blower motor *2, Front seat heater control unit (DR H/SEAT LO RLY COM) *1*3, Ventilated seat control unit (DR H/SEAT LO RLY COM) *2 *1: Without ventilated seat *2: With ventilated seat *3: With seat heater
B43 10 A Audio remote-HFL switch *1, Electric parking brake switch *2, Electric parking brake/automatic brake hold switch *3*4 *1: With multi-information display *2: M/T *3: A/T *4: CVT
B44* 20A Adaptive damper control unit (+B ADS) *: With adaptive damper system
B45 ――― Not used
B46 10A SRS unit (IG1 SRS)
B47 ――― Not used
B48* 10A Head up display (+B HUD) *: With head up display
B49 20A No. B2 and No. B3 fuses in the under-dash fuse/relay box (via power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box)), No. B11, No. B12 and No. B13 fuses in the under-dash fuse/relay box (via power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box)), No. B21 fuse in the under-dash fuse/relay box (via power door lock relay circuit (DR UNLOCK) (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),
Trunk lid release actuator (via trunk lid release actuator relay circuit (built into the under-dash fuse/relay box)),
Trunk lid release actuator relay circuit (built into the under-dash fuse/relay box)
B50 20A Front accessory power socket (via front accessory power socket relay)
B51 20A Right rear power window motor (via right rear power window switch),
Right rear power window switch
B52 20A Left rear power window motor (via left rear power window switch),
Left rear power window switch
B53 20A Front passenger’s power window switch
B54 20A Power window master switch (+B P/W DR)
B55 ――― Not used

2019 Accord Relay Diagram

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