Acura TL (UA4/UA5; 1998-2003) fuses and relays

This material discusses in detail the fuse diagrams of the Acura TL (second generation; UA4/UA5): 1998, 1999, 2000, 2001, 2002, 2003 release.

Fuse #9 in the passenger's side interior fuse box is resposible for the cigar lighter.

In the engine compartment

The general arrangement of electronic units in the engine compartment of the Acura TL.

1 #1 Relay Box (1998-2001)
2 Underhood Fuse Box
3 #2 Relay Box
4 Intermittent Wiper Relay
5 #3 Relay Box (2002-2003)

Underhood Fuse Box


Located on the passenger’s side in the back of the engine compartment.


To access it, push the tabs.


General view of the fuse box.

Diagram
No. Description Amps
R1 Headlight №1 Relay -
R2 Headlight №2 Relay -
R3 Horn Relay -
R4 A/C Condenser Fan Relay -
R5 Blower Motor Relay -
R6 Radiator Fan Relay -
R7 A/C Compressor Clutch -
41 Alternator, Battery, Power Distribution 120 A
42 Ignition Switch (BAT) 60 A
43 Right Headlight, Daytime Running Lights (DRL) 20 A
44 Empty -
45 Left Headlight, Combination Light Switch (2002-2003), Daytime Running Lights (DRL) Unit, DRL Diode, Gauge Assembly, High Beam Cut Relay (DRL) 20 A
46 Data Link Connector (DLC), PGM-FI Main Relay 15 A
47 Brake Pedal Position Switch, Horn Relay, Ignition Key Switch/Key Light, Security Horn Relay (1999) 20 A
48
  • ABS Fail-Safe Relay (1998-2001),
  • TCS Relay (except Type S) (2002-2003),
  • VSA Relay (only Type S) (2002-2003)
20 A
49 Hazard Warning Switch 15 A
50 1998-2001: ABS Pump Motor Relay 30 A
Type S: VSA Throttle Motor Relay 20 A
51 Power Window Motor , Power Window Relay 40 A
52 1998-2001: TCS Fail-Safe Relay 20 A
2002-2003: Fog Light Relay
53 Rear Window Defogger Relay 40 A
54 Fuse Box #2 in the passenger compartment: #9, 10, 11, 12, 13 40 A
55 Fuse Box #1 in the passenger compartment: # 2, 3, 4, 5, 6 40 A
56 Blower Motor Relay 40 A
57 except Type S: Radiator Fan Relay 20 A
only Type S: Radiator Fan Relay 30 A
58 except Type S: A/C Compressor Clutch Relay, Condenser Fan Relay, Radiator Fan Control Module (1998-2001) 20 A
ony Type S: A/C Compressor Clutch Relay, Condenser Fan Relay, Radiator Fan Control Module (1998-2001) 30 A
59 Taillight Relay 15 A

Additional relay boxes


There are three additional relay blocks.

Relay box #1 (1998-2001)
R1 ABS Pump
R2 ABS/TCS Fail-Safe
R3 TCS
Relay box #2
R1 Shift Lock
R2 2002-2003: Taillight
R3 2002-2003: Seat Heater
1998-2001: Security Horn
R4 2002-2003: High Beam Cut Relay (DRL)
1998-2001: Seat Heater
Relay box #3 (2002-2003)
R1 ABS Pump Motor
1 ABS Motor 40A
2 ABS F/S 20A
3 ABS Motor Check 7,5A

In the passenger compartment

The general arrangement of electronic units in the passenger compartment of the Acura TL.

1 Fuse box from the driver's side
2 Driver's MCU
3 Sunroof Close Relay
4 Sunroof Open Relay
5 PGM-FI Main Relay
6 Cruise Control Module
7 DRL Control Unit
8 Supplemental Restraint System (SRS) Module
1 BOSE Equalizer
2 Powertrain Control Module (PCM)
3 Fuse box from the passenger's side
4 Navigation Relay
High Beam Cut Relay (with DRL system (1998-2001))
5 1998-2001: Taillight Relay
2002-2003: Navigation Relay
6 ABS/TCS Module

From the driver's side


Fuse box #1 located on driver's side of the dashboard. 


For access pull the bottom of the cover, then take it out of its hinges by pulling it toward to you.


General view of the front side.

Diagram
No. Description Amps
R1 Starter Cut Relay -
R2 Reverse Relay -
R3 Turn Signal/Hazard Relay -
1 PGM-FI Main Relay, Supplemental Restraint System (SRS), Fuel Pump Fuse 15 A
2 Supplemental Restraint System (SRS) 10 A
3 HVAC, Radiator Fan Control Module, Rear Window Defogger Relay, Fan Control Relay (Type S) 7,5 A
4 ABS-TCS Control Module , (except Type S), Power Mirror Defoggers, Power Mirrors, Option Connector S, Seat Heater Relay, VSA Control Module (Type S) 7,5 A
5 Daytime Running Lights (DRL) System 7,5 A
6 Charging System, Cruise Control, Electrical Load Detector (ELD) Unit, Engine Mount Control System, Evaporative Emission Control System, PCM (VBSOL), Primary and Secondary Heated Oxygen Sensor (HO2S), Radiator Fan Control Module, VSP Sensor (1999 with Navigation), Cruise Control/TCS Switch (except Type S) or Cruise Control/VSA Off Switch (Type S) Indicator Light, Intake Manifold Runner Control (IMRC) Module (Type S), VSA Control Unit (Type S) 15 A
7 Occupant Position Detection System (OPDS) Unit (2000-2002), Shift Lock Relay (1999), Wiper/Washer (1999) 7,5 A
8 Accessory Power Socket Relay, Navigation System, Option Connector R, Shift Lock Solenoid 7,5 A
9 Automatic Dimming Inside Mirror, Brake Light Failure Sensor, Clock (without Navigation), Driver's and Passenger's MCU, Daytime Running Lights indicator, Gauge Assembly, Reverse Relay, Shift Lock Relay (2000-2002) 7,5 A
10 Turn Signal/Hazard Relay 7,5 A
11 Ignition Coils 15 A
12 Wiper/Washer 30 A
13 Starter Signal, PGM-FI Main Relay, Powertrain Control Module (PCM) 7,5 A

From the passenger's side


Fuse box #2 located on passenger's side of the dashboard.

Diagram
No. Description Amps
R1 Power Window Relay -
R2 Accessory Socket Relay -
R3 Rear Window Defogger Relay -
1 1998-2001: Sunroof Close and Open Relays 30 A
2002-2003: Power Window (Driver's Side) 20 A
2 1998-2001: Driver's Power Seat Adjustment Switch (Reclining) 20 A
2002-2003: Power Seat Control Unit (Reclining) 20 A
3 Seat Heater Relay 20 A
4 1998-2001: Driver's Power Seat Adjustment Switch (Slide) 20 A
2002-2003: Power Seat Control Unit (Slide) 20 A
5 Front Passenger's Power Seat Adjustment Switch (Slide), Passenger's Multiplex Control Unit 20 A
6 Front Passenger's Power Seat Adjustment Switch (Reclining) 20 A
7 Left Rear Power Window Switch, Door Multiplex Control Unit (2002-2003), Moonroof Close And Open Relays, Power Window Control Unit (2002-2003) 20 A
8 Front Passenger's Power Window Switch 20 A
9 Acura TL Cigarette Ligher Fuse, Accessory 12V Socket Relay, Audio System, Front Accessory 12V Socket, Rear Accessory 12V Socket, Stereo Amp 20 A
10 Daytime Running Lights  Unit, Navigation Display, Navigation Relay (1999), Navigation System 10 A
11 Ceiling Light, Driver's and Front Passenger's Door Courtesy Light, Passenger's MCU, Trunk Lid Opener Maint, Power Seat Control Unit (2002-2003), Spotlights, Trunk Light 7,5 A
12 Power Door Lock, Passenger's MCU, Trunk Lid Opener Main 20 A
13 Climate Control, Clock (except Navigation), Driver's, Door and Passenger's MCU, Driving Position Memory Switch (2002-2003), Gauge Assembly, Keyless Receiver Unit (2002-2003), PCM (VBU), Radiator Fan Control Unit (2002-2003), Security Indicator 7,5 A
14 except Type S: ABS-TCS System 7,5 A
only Type S: A/C Compressor 7,5 A
15 1998-2001: Door Multiplex Control Unit (Driver's Power Window) 20 A
2002-2003: Sunroof Close and Open Relays 30 A
16 Right Rear Power Window Switch 20 A
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