Table of Contents
This article provides a detailed overview of the fuse box diagrams for the fourth-generation Acura TL (UA8/UA9), covering the 2008, 2009, 2010, 2011, 2012, 2013, and 2014 model years.
Fuse No. 23 in the driver’s side interior fuse box is responsible for the cigarette lighter and 12V power outlet.
Engine Compartment
General layout of the electronic control modules in the engine compartment of the fourth-generation Acura TL.
| No. | Unit |
|
|
| 1 | Under-Hood Fuse Box |
| 2 | Battery Sensor (2011–2014) |
| 3 | Engine Control Module (ECM) / Powertrain Control Module (PCM) |
| 4 | Vehicle Stability Assist (VSA) Modulator |
Under-Hood Fuse Box
Located next to the air cleaner housing on the driver’s side.
To access the fuse box, remove the left-side engine compartment cover.
Then, remove the fuse box cover.
General view of the under-hood fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| R1 | Blower Motor Relay | |
| R2 | A/C Condenser Fan Relay | |
| R3 | PGM-FI Main Relay No. 1 | |
| R4 | PGM-FI Sub Relay | |
| R5 | Ignition Coil Relay | |
| R6 | Electronic Throttle Control System (ETCS) Relay | |
| R7 | Starter Cut Relay No. 2 | |
| R8 | Rear Window Defogger Relay | |
| R9 | A/C Compressor Clutch Relay | |
| 1.1 | Battery, Power Supply | 120 A |
| 1.2 | Passenger’s Side Interior Fuse Box (No. 2): Fuses No. 8, 9, 10, 11, 12, 13 | 40 A |
| 2.1 | Electric Power Steering (EPS) Control Unit | 70 A |
| 2.2 | VSA Modulator Module | 40 A |
| 2.3 | 30 A | |
| 2.4 | Interior Fuse Box: Fuses No. 15, 16, 17, 18, 19 (22 for 2008–2011) | 40 A |
| 2.5 | Headlight Washer Motor Relay | 30 A |
| 2.6 | Super Handling All-Wheel Drive (SH-AWD) Relay | 30 A |
| 3.1 | Ignition Switch, Starter Cut Relay No. 1, Power Control Unit | 50 A |
| 3.2 | 2008–2011 (A/T + AWD): A/C Condenser Fan Relay | 40 A |
| 3.3 | A/C Condenser Fan Relay | 30 A |
| 3.4 | Driver’s Side Interior Fuse Box (No. 1): Fuses No. 19, 20, 21, 22, 23, 24, 25 | 60 A |
| 3.5 | 2008–2011 (A/T + AWD): Radiator Fan Relay | 40 A |
| Radiator Fan Relay | 30 A | |
| 3.6 | Driver’s Side Interior Fuse Box (No. 1): Fuses No. 26, 27, 28, 29, 30 | 30 A |
| 3.7 | Windshield Wiper Motor Intermittent Relay, Windshield Wiper Motor High/Low Relay, Windshield Wiper Motor | 30 A |
| 3.8 | Passenger’s Side Interior Fuse Box (No. 2): Fuses No. 1, 2, 3, 4 | 30 A |
| 4 | Rear Window Defogger Relay, Rear Window Defogger Noise Condenser | 40 A |
| 5 | Not Used | - |
| 6 | Not Used | - |
| 7 | Not Used | - |
| 8 | Blower Motor Relay | 40 A |
| 9 | Hazard Warning Switch, Driver’s Multiplex Integrated Control Unit | 15 A |
| 10 | Brake Pedal Position Switch, Horn Relay | 20 A |
| 11 | Passenger’s Side Interior Fuse Box: Fuse No. 8 | 7.5 A |
| 12 | Battery Sensor (2011–2014) | 7.5 A |
| 13 | Ignition Coil Relay, Ignition Coils | 15 A |
| 14 | Front Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1), Front Secondary Heated Oxygen Sensor (HO2S) (Bank 2, Sensor 2), PGM-FI Sub Relay, Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1), Rear Secondary Heated Oxygen Sensor (HO2S) (Bank 1, Sensor 2), Under-Hood Fuse Box: Fuse No. 21 | 15 A |
| 15 | AcuraLink System (XM Receiver), Audio-Navigation, Audio Amplifier, Audio-HVAC Display, Data Link Connector (DLC), Driver’s Door Courtesy Light, Driver’s Multiplex Integrated Control Unit (MICU) (VBU), Front Passenger’s Door Courtesy Light, Gauge Control Module, HandsFreeLink System, HFL-Navigation Microphone, Immobilizer-Keyless Control System, Navigation Display System, Passenger’s Multiplex Integrated Control Unit (MICU) (VBU), Power Window Master Switch, Power Seat Control System | 10 A |
| 16 | Front Individual Map Lights, Ignition Key Light, Rear Individual Map Lights, Trunk Light, Vanity Mirror Lights | 7.5 A |
| 17 | Crankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor, Electronic Throttle Control System (ETCS) Control Relay, ECM/PCM, Mass Airflow (MAF) Sensor, Fuel Injectors, PGM-FI Main Relay No. 1, PGM-FI Main Relay No. 2 | 15 A |
| 18 | Electronic Throttle Control System (ETCS) Control Relay | 15 A |
| 19 | ECM/PCM (VBUM) | 7.5 A |
| 20 | A/C Compressor Clutch Relay | 7.5 A |
| 21 | Radiator Fan Relay | 7.5 A |
Passenger Compartment
General layout of the electronic control modules in the passenger compartment of the fourth-generation Acura TL.
| No. | Unit |
|
|
| 1 | Driver’s Side Interior Fuse Box |
| 2 | Keyless Access System Junction Box |
| 3 | Driver’s Junction Box No. 2 |
| 4 | Center Junction Box |
| 5 | Gauge Control Module |
| 6 | Seat Ventilation Control Module (2011–2014) |
|
|
| 1 | Keyless Access Control Module |
| 2 | Power Control Module |
| 3 | Electric Steering Lock |
| 4 | Headlight Washer Motor Relay (2011–2014) |
| 4 | Front Accessory Power Socket Relay (2011–2014) |
| 5 | +B Cut Relay (Manual Transmission with Keyless Access System) (2011–2014) |
| 5 | Seat Ventilation Relay (2011–2014) |
| 5 | IG Cut Relay (without Keyless Access System) (2011–2014) |
| 5 | Headlight Washer Motor Relay (2008–2011) |
| 5 | Front Accessory Power Socket Relay (2008–2011) |
| 6 | IG Cut Relay (without Keyless Access System) (2008–2011) |
| 7 | Remote Slot Control Module (with Keyless Access System) |
| 8 | Supplemental Restraint System (SRS) |
| 9 | RF Module (with Keyless Access System) |
| 10 | ACC Cut Relay (without Keyless Access System) (2008–2011) |
| 10 | Front Accessory Power Socket Relay (with Keyless Access System) (2008–2011) |
| 11 | Front Accessory Power Socket Relay (with Keyless Access System) (2011–2014) |
| 11 | ACC Cut Relay (without Keyless Access System) (2011–2014) |
| 11 | Console Power Socket Relay (2008–2011) |
| 12 | Console Power Socket Relay (2011–2014) |
| 13 | Tire Pressure Monitoring System (TPMS) |
|
|
| 1 | Audio Module or Audio-Navigation Unit |
| 2 | Navigation Display or Audio-HVAC Display Unit |
| 3 | AcuraLink Control System (XM Receiver) |
| 4 | EPS Control System |
| 5 | Passenger’s Side Interior Fuse Box |
| 6 | Climate Control System |
| 7 | HandsFreeLink Control System |
Driver’s Side Interior Fuse Box (No. 1)
Located under the dashboard on the driver’s side.
To access the fuse box, turn the lock knob on the under-cover counterclockwise by a quarter turn, then pull the front of the panel down to remove it from the dashboard.
General view of the fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| R1 | PGM-FI Main Relay No. 2 | |
| R2 | Accessory Relay | |
| Front Accessory Power Socket | ||
| R3 | Starter Cut Relay No. 1 | |
| 1 | 2011–2014: Blind Spot Information (BSI), Left Radar Unit, Right Radar Unit | 7.5 A |
| 2 | Super Handling All-Wheel Drive (SH-AWD) Control Module | 7.5 A |
| 3 | Windshield Washer Motor and Relay | 20 A |
| 4 | Windshield Wiper Motor Relay | 7.5 A |
| 5 | Occupant Position Detection System (OPDS), Passenger’s Airbag Cutoff Indicator, Supplemental Restraint System (SRS) | 7.5 A |
| 6 | Electric Power Steering (EPS), Steering Angle Sensor, VSA Modulator, Yaw Rate/Lateral Acceleration Sensor, Yaw Rate-Lateral/Longitudinal Acceleration Sensor | 7.5 A |
| 7 | Not Used | - |
| 8 | ECM/PCM (STRLD), Starter Relay | 7.5 A |
| 9 | ECM/PCM, Electric Steering Lock, Remote Slot Control, Acura TL Fuel Pump Fuse, Fuel Pump Control Module, Immobilizer-Keyless Control Unit, Keyless Access Control Unit | 20 A |
| 10 | PCM (VBSOL2) | 10 A |
| 11 | Supplemental Restraint System (SRS) | 10 A |
| 12 | AcuraLink System (XM Receiver), Audio-Navigation System, Automatic Dimming Inside Mirror, Back-Up Light Switch, Driver’s Multiplex Integrated Control Unit (MICU), Electronic Compass Unit, Gauge Control System, Rearview Camera, Passenger’s Multiplex Integrated Control Unit (MICU), Power Mirror Control System, Power Seat Control System, Reverse Relay Circuit, Shift Lock Solenoid, Tire Pressure Monitoring System (TPMS) | 7.5 A |
| 13 | Alternator, Brake Pedal Position Switch, PCM (VBASOL1), Electrical Load Detector (ELD), Engine Mount Control Solenoid Valve, Evaporative Emission Control (EVAP) Canister Purge Valve | 15 A |
| 14 | Not Used | - |
| 15 | Daytime Running Lights (DRL) | 7.5 A |
| 16 | Audio-HVAC Subdisplay Unit, Audio-Navigation Switch Panel, Climate Control System, Door Multiplex Control System (Power Window Master Switch), Driver’s Climate Control Switch, Driver’s Seat Heater Switch, Driver’s Seat Ventilation Switch, Front Passenger’s Seat Heater Switch, Front Passenger’s Seat Ventilation Switch, Passenger’s Climate Control Switch, Power Mirror Switch, Seat Ventilation Control System | 7.5 A |
| 17 | Driver’s Multiplex Integrated Control Unit (MICU) (ACC Key Lock) | 7.5 A |
| 18 | AcuraLink System (XM Receiver), Audio-Navigation System, Audio System, Console Accessory Power Socket Relay, Front Accessory Power Socket Relay, Driver’s Multiplex Integrated Control Unit (MICU) (ACC Key Lock), HandsFreeLink System, HandsFreeLink Microphone, Interface Dial, Key Interlock Solenoid, Keyless Access Control System, Navigation Display System, Remote Slot System | 7.5 A |
| 19 | Driver’s Power Seat Sliding Motor | 20 A |
| 20 | Moonroof / Sunroof | 20 A |
| 21 | Driver’s Power Seat Reclining Motor | 20 A |
| 22 | Left Rear Power Window Relay, Left Rear Power Window Switch | 20 A |
| 23 | Front Accessory Power Socket, Acura TL Cigarette Lighter Fuse | 15 A |
| 24 | Driver’s Power Window - Power Window Master Switch (Door Multiplex Control Unit) | 20 A |
| 25 | Power Door Lock Relay Circuit, Fuel Fill Door Open Relay Circuit, Fuel Fill Door Opener Solenoid, Trunk Lid Release Actuator, Trunk Lid Release Actuator Relay Circuit | 15 A |
| 26 | Left Front Fog Light | 10 A |
| 27 | Left Side Small Lights (Parking Lights, Tail Lights) | 10 A |
| 28 | Left Headlight High Beam | 10 A |
| 29 | Tire Pressure Monitoring System (TPMS) | 7.5 A |
| 30 | Left Headlight Low Beam | 15 A |
| 31 | Not Used | - |
| 32 | ECM/PCM (STS) | 7.5 A |
Passenger’s Side Interior Fuse Box (No. 2)
Located on the lower passenger’s side kick panel.
To access the fuse box, place your finger in the notch on the cover, pull it upward, and then pull it toward you to remove it.
General view of the fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Right Headlight High Beam | 10 A |
| 2 | Right Side Small Lights (Parking Lights, Tail Lights) | 10 A |
| 3 | Right Front Fog Light | 10 A |
| 4 | Right Headlight Low Beam | 15 A |
| 5 | Not Used | - |
| 6 | A/T Gear Position Indicator Panel Light, Audio System, Audio-HVAC Display, Blind Spot Information (BSI) Off Switch Light, Climate Control Light, Console Box Light, Instrument Panel Brightness Controller Switch Light, Driver’s Climate Control Switch, Driver’s Footwell Light, Driver’s Seat Heater Switch Light, Driver’s Seat Ventilation Switch Light, Front Passenger’s Airbag Cutoff Switch Light, Front Passenger’s Seat Heater Switch Light, Front Passenger’s Seat Ventilation Switch Light, Glove Box Light, Hazard Warning Switch Light, Headlight Washer Switch Light, Moonroof/Sunroof Switch Light, Navigation Display, Passenger’s Footwell Light, Passenger’s Climate Control Switch, Rear Individual Map Lights, Roof Console, Steering Wheel Switch Lights, VSA OFF Switch Light | 7.5 A |
| 7 | Not Used | - |
| 8 | Front Passenger’s Power Seat Recline Motor and Rear Up-Down Motor | 20 A |
| 9 | Front Passenger’s Power Seat Front Up-Down Motor and Seat Slide Motor | 20 A |
| 10 | Front Passenger’s Door Lock Actuator, Power Door Lock Relay, Right Rear Door Lock Actuator | 10 A |
| 11 | Right Rear Power Window Relay and Motor | 20 A |
| 12 | Electric Steering Lock System, Engine Start/Stop Switch, Power Control System, Remote Slot System, Starter Cut Relay No. 2 | 10 A |
| 13 | Front Passenger’s Power Window Switch | 20 A |
| 14 | Not Used | - |
| 15 | Audio Amplifier | 20 A |
| 16 | Console Accessory Power Socket, Cigarette Lighter Fuse | 15 A |
| 17 | Not Used | |
| 18 | Driver’s Lumbar Support Motor | 7.5 A |
| 19 | Seat Ventilation Relay, Front Passenger’s Seat Heater Relays, Seat Ventilation System | 20 A |
| 20 | Not Used | - |
| 21 | Not Used | - |
| 22 | Not Used | - |
Vehicle Body
General layout of the electronic control modules.
|
|
| 1 | HomeLink System (Roof Console) |
| 2 | Super Handling All-Wheel Drive (SH-AWD) Relay |
| 3 | Super Handling All-Wheel Drive (SH-AWD) Control Unit |
| 4 | Audio Amplifier |
| 5 | RF Unit No. 2 (2008–2011) |
| 6 | Right BSI Radar Module (2011–2014) |
| 7 | Electronic Compass |
| 8 | Left BSI Radar (2011–2014) |
| 9 | BSI Control Unit (2011–2014) |
| 10 | Fuel Pump Control Module (with SH-AWD) (2008–2011) |
| 11 | Moonroof / Sunroof Control Module and Motor |
