Acura TSX (CL9) | 2004-2008 | Fuse Box Diagrams and Locations

In this article, we explore the first-generation Acura TSX (CL9), a premium compact sedan produced from 2004 to 2008. The first-generation TSX is renowned for its precision engineering, sporty handling, and luxurious features, making it a favorite among drivers seeking a blend of performance and refinement. Based on the European Honda Accord, the TSX offered a unique combination of reliability and driver-focused design tailored to the North American market.

This guide provides detailed fuse box diagrams for Acura TSX models manufactured in 2004, 2005, 2006, 2007, and 2008. These diagrams serve as essential references for understanding the car’s electrical systems. You will also find information about the locations of the fuse panels, which are typically situated in the interior cabin, beneath the dashboard, and in the engine compartment. These easily accessible panels house the fuses and relays responsible for powering and protecting various electrical components.

Additionally, this resource includes a comprehensive breakdown of the fuse layout, explaining the specific assignment of each fuse to various systems and components. These include critical functions such as the vehicle’s headlights, power windows, infotainment system, air conditioning, and safety features like airbags and ABS (Anti-lock Braking System). The guide also covers relays that control components such as the fuel pump, cooling fans, and more.

Whether you’re diagnosing an electrical issue, replacing a blown fuse, or performing regular maintenance, this article will provide you with the necessary information to maintain your Acura TSX’s electrical systems effectively. As the model that introduced the TSX nameplate, the first-generation TSX is a significant part of Acura’s history, known for its excellent driving dynamics and reliability. Understanding its fuse and relay systems is vital to keeping this iconic vehicle running at its best.

The fuse for the cigar lighter/power outlet in the Acura TSX is Fuse No.9 located in the passenger compartment.

What’s Included

Fuse box locations

The location of the fuses in the engine compartment: Acura TSX (CL9; 2004-2008)

The under-hood fuse box is located near the back of the engine compartment on the driver’s side.

The location of the fuses in the passenger compartment: Acura TSX (CL9; 2004-2008)

The interior fuse box is on the driver’s lower left side.
To remove the lid, put your finger in the notch on the lid, and pull it toward you and take it out of its hinges.

Fuse box diagrams

2004

Engine compartment

Assignment of fuses in the under-hood fuse box (2004)

No.	Amps.	Circuits Protected
1	15 A	Left Headlight Low
2	(30A)	(Rear Defroster Coil)
3	10 A	Left Headlight Hi
4	15 A	Small Light
5	10 A	Right Headlight Hi
6	15 A	Right Headlight Low
7	7.5 A	Back Up
8	15 A	FI ECU
9	20 A	Condenser fan
10	—	Not Used
11	20 A	Cooling Fan
12	—	Not Used
13	20 A	Horn, Stop
14	40 A	Rear Defroster
15	40 A	Back Up, ACC
16	15 A	Hazard
17	30 A	VSA Motor
18	40 A	VSA
19	40 A	OP 1
20	40 A	OP 2
21	40 A	Heater Motor
22	100 A	Battery
22	—	Not Used
23	50 A	+ B IG1 Main
23	50 A	Power Window Main

Passenger compartment

Interior fuse box diagram: Acura TSX (CL9; 2004)

Assignment of fuses in the interior fuse box (2004)

No.	Amps.	Circuits Protected
1	(15 A)	DBW
2	15 A	Ignition Coil
3	(10 A)	Day Light (On Canadian models)
4	10 A	LAF
5	20 A	Audio Amp
6	10 A	Interior Light
7	10 A	Back-Up Lights
8	20 A	Door Lock
9	15 A	Front Accessory Sockets
10	7.5 A	IG OPDS
11	30 A	IG Wiper
12	—	Not Used
13	—	Not Used
14	(20 A)	Driver’s Power Seat Sliding
15	(20 A)	Heated Seat
16	(20 A)	Driver’s Power Seat Reclining
17	—	Not Used
18	15 A	IGACG
19	15 A	IG Fuel Pump
20	7.5 A	IG Washer
21	7.5 A	IG Meter
22	10 A	IG SRS
23	7.5 A	IGP (PGM-FI ECU)
24	20 A	Left Rear Power Window
25	20 A	Right Rear Power Window
26	20 A	Right Front Power Window
27	20 A	Driver’s Power Window
28	(20 A)	Moonroof
29	—	Not Used
30	7.5 A	IG HAC
31	—	Not Used
32	7.5 A	ACC
33	7.5 A	HAC OP

2005

Engine compartment

Assignment of fuses in the under-hood fuse box (2005)

No.	Amps.	Circuits Protected
1	15 A	Left Headlight Low
2	(30A)	(Rear Defroster Coil)
3	10 A	Left Headlight Hi
4	15 A	Small Light
5	10 A	Right Headlight Hi
6	15 A	Right Headlight Low
7	7.5 A	Back Up
8	15 A	FI ECU
9	20 A	Condenser fan
10	—	Not Used
11	20 A	Cooling Fan
12	—	Not Used
13	20 A	Horn, Stop
14	40 A	Rear Defroster
15	40 A	Back Up, ACC
16	15 A	Hazard
17	30 A	VSA Motor
18	40 A	VSA
19	40 A	OP 1
20	40 A	OP 2
21	40 A	Heater Motor
22	100 A	Battery
22	—	Not Used
23	50 A	+ B IG1 Main
23	50 A	Power Window Main

Passenger compartment

Interior fuse box diagram: Acura TSX (CL9; 2005)

Assignment of fuses in the interior fuse box (2005)

No.	Amps.	Circuits Protected
1	(15 A)	DBW
2	15 A	Ignition Coil
3	(10 A)	Day Light (On Canadian models)
4	10 A	LAF
5	20 A	Audio Amp
6	10 A	Interior Light
7	10 A	Back-Up Lights
8	20 A	Door Lock
9	15 A	Front Accessory Sockets
10	7.5 A	OPDS
11	30 A	Wiper
12	—	Not Used
13	20 A	AS P/SEAT (REC)
14	20 A	Driver’s Power Seat Sliding
15	(20 A)	Heated Seat
16	20 A	Driver’s Power Seat Reclining
17	20 A	AS P/SEAT (SLIDE)
18	15 A	ACG
19	15 A	Fuel Pump
20	7.5 A	Washer
21	7.5 A	Meter
22	10 A	SRS
23	7.5 A	IGP (PGM-FI ECU)
24	20 A	Left Rear Power Window
25	20 A	Right Rear Power Window
26	20 A	Right Front Power Window
27	20 A	Driver’s Power Window
28	20 A	Moonroof
29	—	Not Used
30	7.5 A	A/C
31	—	Not Used
32	7.5 A	ACC
33	(7.5 A)	OPTION

2006

Engine compartment

Assignment of fuses in the under-hood fuse box (2006)

No.	Amps.	Circuits Protected
1	15 A	Left Headlight Low
2	(30 A)	(Rear Defroster Coil)
3	10 A	Left Headlight Hi
4	15 A	Small Light
5	10 A	Right Headlight Hi
6	15 A	Right Headlight Low
7	7.5 A	Back Up
8	15 A	FI ECU (ECM/PCM)
9	20 A	Condenser fan
10	(20 A)	(FR Fog Light)
11	20 A	Cooling Fan
12	—	Not Used
13	20 A	Horn, Stop
14	40 A	Rear Defroster
15	40 A	Back Up, ACC
16	15 A	Hazard
17	30 A	VSA Motor
18	40 A	VSA
19	40 A	OP 1
20	40 A	OP 2
21	40 A	Heater Motor
22	100 A	Battery
22	—	Not Used
23	50 A	+ B IG1 Main
23	50 A	Power Window Main

Passenger compartment

Interior fuse box diagram: Acura TSX (CL9; 2006)

Assignment of fuses in the interior fuse box (2006)

No.	Amps.	Circuits Protected
1	(15 A)	DBW
2	15 A	Ignition Coil
3	(10 A)	Daytime Running Light (On Canadian models)
4	10 A	LAF
5	20 A	Audio Amp
6	10 A	Interior Light
7	10 A	Back-Up Lights
8	20 A	Door Lock
9	15 A	Front Accessory Sockets
10	7.5 A	OPDS
11	30 A	Wiper
12	—	Not Used
13	20 A	Passenger’s Power Seat Reclining
14	20 A	Driver’s Power Seat Sliding
15	(20 A)	Heated Seat
16	20 A	Driver’s Power Seat Reclining
17	(20 A)	Passenger’s Power Seat Sliding
18	15 A	ACG
19	15 A	Fuel Pump
20	10 A	Washer
21	7.5 A	Meter
22	10 A	SRS
23	7.5 A	IGP (PGM-FI ECU)
24	20 A	Left Rear Power Window
25	20 A	Right Rear Power Window
26	20 A	Passenger’s Power Window
27	20 A	Driver’s Power Window
28	20 A	Moonroof
29	—	Not Used
30	7.5 A	A/C
31	—	Not Used
32	7.5 A	ACC
33	—	Not Used

2007, 2008

Engine compartment

Assignment of fuses in the under-hood fuse box (2007, 2008)

No.	Amps.	Circuits Protected
1	15 A	Left Headlight Low
2	(30 A)	(Rear Defroster Coil)
3	10 A	Left Headlight Hi
4	15 A	Small Light
5	10 A	Right Headlight Hi
6	15 A	Right Headlight Low
7	7.5 A	Back Up
8	15 A	FI ECU (ECM/PCM)
9	20 A	Condenser fan
10	(20 A)	(FR Fog Light)
11	20 A	Cooling Fan
12	—	Not Used
13	20 A	Horn, Stop
14	40 A	Rear Defroster
15	40 A	Back Up, ACC
16	15 A	Hazard
17	30 A	VSA Motor
18	40 A	VSA
19	40 A	OP 1
20	40 A	OP 2
21	40 A	Heater Motor
22	100 A	Battery
22	—	Not Used
23	50 A	+ B IG1 Main
23	50 A	Power Window Main

Passenger compartment

Interior fuse box diagram: Acura TSX (CL9; 2007, 2008)

Assignment of fuses in the interior fuse box (2007, 2008)

No.	Amps.	Circuits Protected
1	15 A	DBW
2	15 A	Ignition Coil
3	(10 A)	Daytime Running Light (On Canadian models)
4	10 A	LAF
5	20 A	Audio Amp
6	10 A	Interior Light
7	10 A	Back-Up Lights
8	20 A	Door Lock
9	15 A	Front Accessory Sockets
10	7.5 A	OPDS
11	30 A	Wiper
12	7.5 A	TPMS
13	20 A	Passenger’s Power Seat Reclining
14	20 A	Driver’s Power Seat Sliding
15	20 A	Heated Seat
16	20 A	Driver’s Power Seat Reclining
17	20 A	Passenger’s Power Seat Sliding
18	15 A	ACG
19	15 A	Fuel Pump
20	10 A	Washer
21	7.5 A	Meter
22	10 A	SRS
23	7.5 A	IGP (PGM-FI ECU) (ECM/PCM)
24	20 A	Left Rear Power Window
25	20 A	Right Rear Power Window
26	20 A	Passenger’s Power Window
27	20 A	Driver’s Power Window
28	20 A	Moonroof
29	—	Not Used
30	7.5 A	A/C
31	—	Not Used
32	7.5 A	ACC
33	—	Not Used