Share this

Acura TL (1999) Fuse Box Diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays Acura, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 1999

Instrument panel fuse/relay box

Socket Ref Cavites Connects to
A/C compressor clutch relay 3 4
Blower motor relay 11 4
Condenser fan relay 1 4
Diode 9 —
Electrical load detector (ELD) unit 4 3
Headlight relay 1 7 4
Headlight relay 2 8 4
Horn relay 10 4
Radiator fan relay 2 4
A 15 18 Right engine compartment wire harness
B 14 7 Right engine compartment wire harness
C 13 3 Right engine compartment wire harness
D 12 16 Right engine compartment wire harness
T1 6 Battele positive cable
T101 5 Engine wire harness

Acura TL - fuse box diagram - instrument panel fuse/relay box

Position Fuse Name  [A] Protected component
41 BATTERY 120 Power distribution
42 IG1 MAIN 60 Ignition switch (BAT)
43 RIGHT HEAD LIGHT 20 DRL control unit (Canada), Right headlight
44 — — —
45 LEFT HEAD LIGHT 20 DRL control unit, High beam cut relay, High beam indicator, Left headlight
46 ACG S 15 DLC, PGM-FI main relay
47 STOP 20 ABS/TCS control unit, Brake lights, Cruise control unit, Driver’s multiplex control unit, Horns, Ignition key light, Key interlock solenoid, Security horn, Trailer lighting connector
48 ABS F/S 20 ABS
49 HAZARD 15 Hazard warning lights
50 ABS MOTOR 30 ABS pump motor
51 POWER WINDOW MOTOR 40 Fuses 1, 7, 8.15, and 16 (in passenger’s under-dash fuse/relay box)
52 TCS 20 ABS/TCS modulator unit
53 RR DEFROSTER 40 Rear window defogger
54 BACK UP, ACC 40 Fuses 9, 10, 11, 12. and 13 (in passenger’s under-dash fuse/relay box)
55 POWER SEAT 40 Fuses 2. 3. 4. 5. and 6 (in passenger’s under-dash fuse/relay box)
56 HEATER MOTOR 40 Blower motor
57 COOLING FAN 20 Radiator fan motor
58 CONDENSER FAN 20 A/C compressor clutch. Condenser fan motor, Radiator fan control module
59 SMALL LIGHT 15 Clock (without navigation), Dash and console lights, Driver’s multiplex control unit. License plate light, Option connector U. Side marker lights. Taillights

Fuse/relay box

Socket Ref Cavites Connects to
In -line diode 1 2 — —
In -line diode 2 1 —
Multiplex control unit connector A 6 24 (Plugs directly into the fuse box)
Reverse relay 19 4
Starter cut relay 18 4
Turn signal/hazard relay 20 4
A 11 10 Left side wire harness
B 3 14 Left side wire harness
C 10 5 Left engine compartment wire harness
D 7 —
E 4 20 Left engine compartment wire harness
F 9 6 Driver’s door wire harness
G 8 18 Driver’s door wire harness
H 5 6 —
I 13 18 Dashboard wire harness A
J 12 3 Multiplex control inspection connector
K 14 18 Dashboard wire harness A
L 23 — —
M 15 6 Ignition switch harness
N 22 2 SRS main harness
O 21 20 Dashboard wire harness B
P 16 7 Dashboard wire harness B
Q 17 22 Dashboard wire harness B
R 26 1 Optional connector
S 27 1 Optional connector
T 24 1 Optional connector
U 25 1 Optional connector

Acura TL - fuse box diagram - fuse/relay box

Position Fuse name [A] Protected component
1 FUEL PUMP 15 PGM-FI IT main relay, SRS unit (VA)
2 SRS 10 SRS unit (VB)
3 HEATER CONTROL, A/C CLUTCH RELAY, COOLING FAN RELAY 7,5 A/C compressor controls, Air delivery, Blower controls, Fans, Rear window defogger relay
4 RIC MIRROR 7,5 ABS/TCS control unit, Power mirrors, Power mirror defoggers. Option connectorS. Seat heater relay
5 (DAY LIGHT) 7,5 DRL control unit
6 ECU, CRUISE CONTROL 15 Charging system, Cruise control, ELD unit, Engine mount control system, Fuel and Emissions. Radiator fan control module, Vehicle speed sensor (with navigation)
7 FR WASHER, (SUN ROOF RELAY) 7,5 Shift lock relay, Wiper/washer
8 ACC RELAY 7,5 Accessory socket relay, Navigation relay, Option connector R, Shift lock solenoid
9 BACK UP LIGHT, INSTRUMENT LIGHT 7,5 Automatic dimming mirror, Back-up lights, Brake light failure sensor, Clock (without navigation), Driver’s and passenger’s multiplex control units, DRL indicator , Gauge assembly, Reverse relay
10 TURN LIGHTS 7,5 Turn signal/hazard relay
11 IG COIL 15 Ignition coils
12 FR WIPER 30 Wiper/washer
13 STARTER SIGNAL 7,5 PGM-FI main relay, PCM

Fuse/relay box

Socket Ref Cavites Connects to
Accessory power socket relay 15 4
DRL Diode 1 —
In-line oiode 3 2 — —
In-line oiode 4 3 —
Multiplex control unit connector A 11 24 (Plugs directly into fuse box)
Power window relay 14 4
Rear window defogger relay 16 4
A 10 20 Right side wi re harness
B 4 4 Roof wi re harness
C 9 18 Right engine compartment wire harness
D 5 3 Right engine compartment wire harness
E 8 2 Passenger”s door wire sub-harness
F 7 20 Passenger”s door wire sub-harness
G 6 3 —
H 18 18 Dashboard wire harness A
I 12 18 Dashboard wire harness A
J 17 16 Dashboard wire harness B
K 13 16 Dashboard wire harness B

Acura TL - fuse box diagram - fuse/relay box

Number Fuse Name [A] Description
1 (SUN ROOF MOTOR) 20 Moon roof
2 (DRIVER’S POWER SEAT RECLINING) 20 Driver’s power seat rear up-down and recline motors
3 (HEATED SEAT) 20 Seat heaters
4 DRIVER’S POWER SEAT SLIDE 20 Driver’s power seat front up-down and slide motors
5 PASSENGER’S POWER SEAT SLIDE 20 Passenger’s power seat slide motor
6 PASSENGER’S POWER SEAT RECLINING 20 Passenger’s power seat recline motor
7 P/W REAR L 20 Left rear window motor, Moonroof open and close relays
8 P/W FRONT R 20 Front passenger’s window motor
9 (+B) RADIO, CIGARETTE LIGHTER 20 Accessory sockets. Audio unit. Stereo amplifier
10 (NAVIGATION) 10 Navigation system
DAY LIGHT (Canada) 10 DRL control unit
11 INTERIOR LIGHT, COURTESY LIGHT 7,5 Ceiling light, Door courtesy lights, Spotlights, Trunk light
12 POWER DOOR LOCK 20 Passenger’s multiplex control unit, Trunk opener motor
13 CLOCK, BACK UP 7,5 Climate control unit, Clock (without navigation), Door multiplex control unit, Driver’s multiplex control unit, Gavge assembly, Immobilizer indicator light, Passenger’s multiplex control unit, PCM (VBU), Security indicator
14 ABS MTR CHK 7,5 ABS/TCS control unit
15 P/W FRONT L 20 Door multiplex control unit
16 P/W REAR R 20 Right rear window motor

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

Still have questions or want to supplement the article? Discuss On Telegram


Access the private club

Become a member of Fuses.guru and get access to our private telegram bot. Accelerated access and smart search of fuse box & wiring diagrams.
P.S. We never spam!

May Be Useful