Acura TL (2003 - 2005) Fuse Box Diagram

avatar Jonathan Yarden
Year of production: 2003, 2004, 2005

Under-dash Fuse/Relay Box

Acura TL – fuse box diagram - under-dash fuse box

Fuse Fuse name [A] Component or circuit protected
1 DBW 15 Throttle actuator control module relay
2 IG COIL 15 Ignition coil relay
3
4 LAF 15 A/F sensor relay
5 RADIO 20 Audio unit, Stereo amplifier
6 INTR LIGHT 7,5 Driver’s door courtesy light, Driver’s vanity mirror light, Front passenger’s door courtesy light, Front passenger’s vanity mirror light, HandsFreelink control unit, Ignition key switch/key light, Keyless receiver unit, Power mirror control unit, Power seat control unit, Rear individual map lights, Roof console, Trunk light
7 BACK UP 7,5 Clock (except Navigation), Display panel control unit, Gauge control module, Front passenger’s power window switch (Door multiplex control unit), Immobilizer control unit-receiver, MICU, Navigation unit (Navigation), Power mirror control unit, Power window master switch (Door multiplex control unit), Security indicator, Wiper/washer switch, XM receiver (USA)
8 DOOR LOCK 20 MICU, Trunk lid opener switch
9 FR ACC SOCKET 15 Accessory power socket relay
10 IG OPDS 7,5 OPDS unit, SRS unit
11 IG WIPER 30 Windshield wiper motor
12
13 AS P/SEAT (REC) 20 Front passenger’s power seat adjustment switch
14 DR P/SEAT (SLIDE) 20 Power seat control unit
15 H/SEAT 20 Seat heater relay
16 DR P/SEAT (REC) 20 Lumbar support switch. Power seat control unit
17 AS P/SEAT (SLIDE) 20 Front passenger’s power seat adjustment switch
18 IG ACG 15 Alternator, Brake pedal position switch, ECM/PCM, ELD unit, Engine mount control solenoid valve, EVAP canister purge valve, EVAP canister vent shut valve, Reverse lockout solenoid (MIT), VSA modulator-control unit
19 IG FUEL PUMP 15 ECM/PCM, Immobilizer control unit-receiver, PGM-FI main relay 2
20 IG WASHER 7,5 Automatic dimming inside mirror, Power mirror control unit, Power seat control unit, Windshield washer motor
21 IG METER 7,5 Back-up light switch (MIT), Clock (except Navigation), Driver’s seat belt tension reducer solenoid, Front Passenger’s seat belt tension reducer solenoid, Gauge control module, Keyless receiver unit, MICU, Relay control module, Shift lock relay (AIT), Wiper/washer switch
22 IG SRS 10 SRS unit
23 IGP 7,5 A/C diode B, NF sensor relay
24 P/W RR L 20 Left rear power window switch
25 P/W RR R 20 Right rear power window switch
26 P/W AS 30 Front passenger’s power window switch (Door multiplex control unit)
27 P/W DR 30 Power window master switch (Door multiplex control unit)
28 SUNROOF 20 Moon roof control unit
29 IG OP1
30 IG HAC 7,5 A/C compressor clutch relay, A/C diode A, Blower motor relay, Climate control unit, Power mirror switch, Rear window defogger relay, Recirculation control motor, Seat heater relay
31 IG OP2
32 ACC 7,5 Accessory power socket relay, Audio unit, Display panel control unit, HandsFreelink control unit, MJCU, Navigation unit (Navigation), Shift lock solenoid (A/T)
33 HAC OP Option Connector

Acura TL – fuse box diagram - under-dash fuse box

SMALL LIGHT

Ref Socket Cavites Connects to
1 X 39 Dashboard wire harness
2 N 45 Dashboard wire harness
3 R (MES connector) 2 Dashboard wire harness
4 Turn signal/hazard relay 6  
5 S 2 Dashboard wire harness
6 A 6 Dashboard wire harness
7 T 6 Optional connector
8 MICU 25 (Plugs directly into the fuse/relay box)
9 E 16 Floor wire harness
10 F 14 Floor wire harness
11 I 5 Roof wire harness
12 C 12 Engine compartment wire harness
13 B 6 Engine compartment wire harness
14 D 17 Engine compartment wire harness
15 G 6 Floor wire harness
16 H 14 Floor wire harness
17 Q (MICU) 14 Dashboard wire harness
18 P (MICU) 30 Dashboard wire harness
19 Starter cut relay 4  
20 Accessory power socket relay 4  
21 A/F sensor relay 4  
22 PGM-FI main relay 1 4  
23 Power window relay 4  
24 Ignition coil relay 4  
25 PGM-FI main relay 2 4  
26 M 3 MICU service check connector
27 K 12 Driver’s door sub-harness A
28 J 21 Driver’s door sub-harness A

Under-hood fuse/relay box

Acura TL – fuse box diagram - under-hood fuse/box

Fuse Fuse name [A] Component or circuit protected
1 L-H/l LO 15 Left headlight (HID unit)
2 RR DEFROSTER COIL 30 Relay control module
3 L-H/L HI 7,5 Left headlight (High/low beam switching solenoid)
4 SMALL LIGHT 10 Taillight relay
5 R-H/L HI 7,5 Right headlight (High/low beam switching solenoid)
6 R-H/L LO 15 Right headlight (HID unit)
7 BACK UP 7,5 Relay control module
8 Fl ECU 15 PGM-FI main relay 1, DLC
9 CONDENSER FAN 30 A/C condenser fan relay
10 FR FOG 20  Fog light relay (USA)
15 DRL relay (Canada)
11 COOLING FAN 30 Radiator fan relay
12 MG CLUTCH 7,5 A/C compressor clutch relay
13 HORN, STOP 20 Brake pedal position switch, Horn relay
14 RR DEFROSTER 40 Rear window defogger relay
15 BACK UP, ACC 40 Fuse 7 in under-hood fuse/relay box, Fuses 5, 6, 7, 8, and 9 in under-dash fuse/relay box
16 HAZARD 15 Hazard warning switch, Turn signal/hazard relay
17 VSA MOTOR 30 VSA modulator-control unit
18 VSA 40 VSA modulator-control unit
19 FI ECU 40 Fuses 1, 2, 3, and 4 in under-dash fuse/relay box
20 POWER SEAT 40 Fuseses 12, 13, 14, 15, 16, and 17 in under-dash fuse/relay box
21 HEATER MOTOR 40 Blower motor relay
22 BATTERY 120 Battery, Power distribution
23 +B IG1 MAIN 50 Fuse 33 in under-dash fuse/relay box, Ignition switch
POWER WINDOW 50 Fuses 26, 27 and 28 in under-dash fuse/relay box, Power window relay

Acura TL – fuse box diagram - under-hood fuse/box

Ref Socket Cavities Connects to
1 Blower motor relay 4  
2 A/C compressor clutch relay 4  
3 Rear window defogger relay 4  
4 D 9 Engine compartment wire harness
5 A (ELD unit) 3 Engine compartment wire harness
6 G 2 Engine compartment wire harness
7 B 1
8 C 2 Engine compartment wire harness
9 E 16 Engine compartment wire harness
10 F 20 Front engine compartment wire harness
11 H 14 Front engine compartment wire harness
12 J 5 Engine compartment wire harness
13 I 10 Engine compartment wire harness
14 Radiator fan relay 4  
15 A/C diode A 2  
16 A/C Condenser Fan Relay 4  
17 T101   Starter cable
18 T102   Engine wire harness

Acura TL – fuse box diagram - under-hood fuse/box

Ref Socket Cavites Connects to
1 Fog Light Relay (USA) 4 Front engine compartment wire harness
1 DRL relay (Canada) 4 Front engine compartment wire harness
2 Fan control relay 5 Front engine compartment wire harness

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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