FixVault

Underdash Fuse/Relay Box

UNDER-DASH FUSE/RELAY BOX CHART

Fuse Number Amps Component(s) or Circuit(s) Protected
1 7.5 A Cargo area light relay
2 15A Ignition coil (IG) relay
Ignition coils (via ignition coil relay)
3 10A Daytime running lights relay (Canada)
4 15A These components via A/F sensor relay: A/F sensors (Bank 1, Bank 2), EVAP canister vent shut valve, Secondary heated oxygen sensors (Bank 1, Bank 2)
5 20 A Audio unit
6 10A Ambient light, Ceiling light, Console box light 1, Courtesy lights, Map lights, Passenger's vanity mirror light
7 7.5 A Combination switch control unit, Door multiplex control unit, Gauge control module, Ignition key light, Immobilizer control unit-receiver, Navigation display unit, Navigation unit, Security indicator, XM receiver
MICU
8 20 A MICU
9 10A Rear accessory power socket (via accessory power socket relay)
10 7.5 A OPDS unit, SRS unit
11 30 A Windshield wiper motor
12 - Not used
13 10A Driver's power lumber support motor
14 20 A Driver's power seat slide motor and front up-down motor
15 - Not used
16 20 A Driver's power seat recline motor and rear up-down motor
17 - Not used
18 15A Alternator, Brake pedal position switch. Cruise control main switch, ELD unit, EVAP canister purge valve, PCM, VTM-4 relay
19 15A PCM, Immobilizer control unit-receiver
Fuel pump (via fuel pump relay)
20 7.5 A Electrical compass, Windshield washer motor
21 7.5 A Headlight switch, Combination switch control unit, Dash lights brightness controller, Door multiplex control unit, Front passenger's power window switch indicator, Gauge control module, MICU, Relay control module, TPMS control unit, VTM-4 control unit, VTM-4 switch
22 10A SRS unit
23 7.5 A Radiator fan relay (via A/C diode)
PCM (via A/F sensor relay)
A/F sensor relay
24 20 A Left rear power window motor
25 20A Right rear power window motor
26 20 A Front passenger's power window motor
27 20 A Back window motor
28 20 A Power window master switch
29 - Not used
30 7.5 A A/C diode, A/C compressor clutch relay, Blower motor relay, Climate control unit, Heated windshield wiper area relay, HVAC control unit, Power mirror defoggers, power mirror actuators, Recirculation control motor, Seat heater relay, Trailer lighting relay (optional)
31 7.5 A Steering angle sensor, Yaw rate-rateral acceleration sensor, VSA modulator-control unit
32 7.5A Accessory power socket relays, Audio unit, Front accessory power socket relay, Gauge control module, Key interlock solenoid, MICU, Navigation display unit, Navigation unit, Shift lock solenoid
33 - Not used
Fig 1: Identifying Under-Dash Fuse/Relay Box
G03691037Courtesy of AMERICAN HONDA MOTOR CO., INC.