The Acura RL 2005-2012 is a reliable and stylish car, but like any vehicle, it has electrical components that can experience issues. In this article, we will take a closer look at the fuse box and relay of the Acura RL 2005-2012, and provide helpful information on troubleshooting and fixing any related problems.

MUST READ: DYI – How to Check Car Fuses?

(2005-2012) Acura RL fuse box and relay with Diagram

Passenger compartment

Acura RL 2005 2012 dashboard
Acura RL 2005 2012 dashboard
  1. Fuse Box No.1
  2. Keyless Access Control Unit
  3. Adaptive Front Lighting (AFS) Control Unit
    Headlight Leveling Control Unit (without AFS)
  4. Electronically Controlled Power Steering (ECPS) Control Unit
  5. Daytime Running Lighting (DRL) Control Unit
  6. 2006-2010: Adaptive Cruise Control Unit
    2011-2012: Powertrain Control Module

Passenger Compartment Fuse Box No.1

Acura RL 2005 2012 passenger compartment fuse box
Acura RL 2005 2012 passenger compartment fuse box
No.AmpsAssignment/Designation
115AElectronic Throttle Control System (ETCS) Control Relay
215AIgnition Coil Relay, Ignition Coils
310ADaytime Running Lights Control Unit (USA), Daytime Running Lights Control Relay (Canada)
415AFront Air Fuel Ratio (A/F) Sensor (Bank 2, Sensor 1), Front Secondary Heated Oxygen Sensor (HO2S) (Bank 2, Sensor 2), Rear Air Fuel Ratio (A/F) Sensor (Bank 1, Sensor 1), Rear Secondary Heated Oxygen Sensor (HO2S) (Bank 1, Sensor 2)
57.5AAcuraLink Control Unit (XM Receiver), ANC/Active Sound Control Unit (2011-2012). Audio Unit, Navigation Unit, HandsFreeLink Control Unit, Onstar Control Unit (2005-2006), Display Control Unit (2005-2010)
67.5AKeyless Access Control Unit, Footwell Lights, Courtesy Lights, Door Inner Handle Lights, Door Outer Handle Lights, Trunk Lights, Individual Map Lights, Vanity Mirror Lights, Left and Right Rear Power Window Switches, Driver’s MPCS Unit (2005-2010), Front Passenger’s MPCS Unit (2005-2010), Driver’s Outer Handle Touch Sensor (2005-2010), Front Passenger’s Outer Handle Touch Sensor (2005-2010)
710ACombination Switch Control Unit, Driver’s Outer Handle Touch Sensor (2011-2012), Gauge Control Module, Immobilizer Control Unitreceiver, Imoes Unit, Driver’s MPCS Unit, Fog Lights Relay (2011-2012), Front Passenger’s MPCS Unit, Front Passenger’s Outer Handle Touch Sensor (2011-2012), Fuel Fill Door Open Solenoid (2011-2012), Power Seat Control Unit, Power Tilt/Telescopic Steering Control Unit, Multiplex Integrated Control Unit (MICU), Navigation Display Unit, Navigation Unit, Keyless Access Control Unit, Ignition Key Light, Adaptive Cruise Control Unit (2006-2012)
820ADoor Lock, Multiplex Integrated Control Unit (MICU)
920AAccessory Power Sockets
107.5AOccupant Detection System (ODS) Unit, Front Passenger’s Airbag Cutoff Indicator, Supplemental Restraint System (SRS) Unit
117.5A2005-2008: Adaptive Front Lighting Control Unit, Power Rear Sunshade Control Unit, Windshield Washer Motor, Under-Hood Fuse/Relay Box
15A2009-2012: Adaptive Front Lighting Control Unit, Power Rear Sunshade Control Unit, Windshield Washer Motor, Under-Hood Fuse/Relay Box
127.5A2005-2008: Tire Pressure Monitoring System (TPMS) Control Unit
15A2009-2012: Rear Seat Heater
1320AFront Passenger’s Power Seat (Recline and Rear Up/Down Motors)
1420ADriver’s Lumbar Support Motor (2009-2012), Power Seat Control Unit (VMP1)
1510A2005-2008: Driver’s and Front Passenger Lumbar Support Motor
7.5A2009-2012: Tire Pressure Monitoring System (TPMS) Control Unit
1620APower Seat Control Unit (VMP2)
1720AFront Passenger’s Lumbar Support Motor (2009-2012), Front Passenger’s Power Seat (Slide and Front Up/Down Motors)
1815AAlternator, Electrical Load Detector (ELD), Engine Mount Control Solenoid, Evaporative Emission Control (EVAP) Canister Purge Valve, Powertrain Control Module (PCM), Brake Pedal Position Switch, Steering Angle Sensor (2009-2012), VSA Modulator-Control Unit, Yaw Rate-lateral Acceleration Sensor (2011-2012)
1920AImoes Unit (2011-2012), Keyless Access Control Unit, Powertrain Control Module (PCM), Fuel Pump Control Module (PGM-FI Main Relay 2)
2015AMass Airflow (MAF) Sensor/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM)
2110ASeat Ventilation Control Units, Automatic Dimming Inside Mirror, Combination Switch Control Unit, Driver’s MPCS Unit, Electronically Controlled Power Steering (ECPS) Control Unit (2011-2012), Gauge Control Module, Imoes Unit, Power Seat Control Unit, Power Tilt/Telescopic Steering Control Unit, Shift Lock Solenoid, Seat Belt Tension Reducer Solenoid, Tire Pressure Monitoring System (TPMS) Control Unit, AcuraLink Control Unit (XM Receiver), Daytime Running Lights Control Unit (USA), Navigation Unit, Power Steering Control Unit, Seat Belt Tension Reducers, XM Receiver Unit, Under-Hood Fuse/Relay Box (Relay Control Module), Onstar Control Unit (2005-2006)
2210ASupplemental Restraint System (SRS) Unit
237.5ARadiator Fan Control (RFC) Unit Relay, Air Fuel Ratio (A/F) Sensor Relay
2420ALeft Rear Power Window Switch
2520APower Tilt/Telescopic Steering Control Unit (Telescopic)
2620APower Tilt/Telescopic Steering Control Unit (Tilt)
2730ADriver’s Power Window
2820AMoonroof Motor/Control Unit
297.5AAdaptive Front Lighting Control Unit, Headlight Leveling Control Unit (without AFS (2007-2012)) Power Steering Control Unit, Super Handling-All Wheel Drive (SH-AWD) Control Unit. Adaptive Cruise Control (ACC) Unit (2006-2012), Millimeter Wave Radar Unit. Adaptive Cruise Control (ACC) Relay (2006-2012)
307.5AA/C Compressor Clutch Relay, Blower Motor Relay, Climate Control Unit, In-car Temperature Sensor, Rear Seat Heater Relay (2009-2012), Rear Window Defogger Relay, Seat Heater Relay
317.5A2009-2012: E-Pretensioner Unit
3210AAcuraLink Control Unit (XM Receiver), ANC/Active Sound Control Rear Microphone (2011-2012), ANC/Active Sound Control Front Microphone (2011-2012), HandsFreeLink Control Unit, Navigation Display Unit, Key Interlock Solenoid, Microphone, Audio Unit (2005-2010), Navigation Unit, Shift Lock Solenoid, Keyless Access Control Unit, Interface Dial, Ignition Switch Control Unit, Active Noise Cancellation Unit (2005-2010), Onstar Control Unit (2005-2006), Accessory Power Socket Relay, Multiplex Integrated Control Unit (MICU)
33– –
Relay
R1Turn Signal / Hazard
R2Ignition Coil
R3PGM-FI Main No.1
R4Accessory Power Socket
R5PGM-FI Main No.2 (Fuel Pump)
R6 –
R7Air Fuel Ratio (A/F) Sensor
R8Starter Cut No.2
Acura RL 2005 2012 dashboard 2
Acura RL 2005 2012 dashboard 2
  1. Relay Box No.1
  2. Combination Switch Control Unit
  3. Gauge Control Module
  4. Turn Signal / Hazard Relay No.2
  5. Navigation Display Unit
  6. Fuse Box No.2
  7. Control Motor Relay (HVAC)
  8. Climate Control Unit
  9. Audio Unit
  10. Relay Box No.2

Acura RL Passenger Compartment Fuse Box No.2

Acura RL 2005 2012 passenger compartment fuse box 2
Acura RL 2005 2012 passenger compartment fuse box 2
No.AmpsAssignment/Designation
130ASuper Handling-All Wheel Drive (SH-AWD) Control Unit (Super Handling-All Wheel Drive (SH-AWD) Relay)
230AAudio Amplifier
330APassenger’s Power Window
430AE-Pretensioner Unit
520ARight Rear Power Window Switch
620ASeat Ventilation Fan Motors, Seat Heater Relay
77.5AAudio Unit, AFS OFF/VSA OFF Switch, Cable Reel, Climate Control Unit, Console Box Light, Coin Pocket Light, Dash Lights Brightness Controller, Navigation Display Unit, Hazard Warning Switch/Front Passenger’s Airbag Cutoff Indicator, Glove Box Light, A/T Gear Position Panel Light
830A2006-2012: E-Pretensioner Unit
97.5AClimate Control Unit, Control Motor Relay
Relay
R1Headlight Washer
R2Electronic Throttle Control System (ETCS)
R3Seat Heater
R4Fuel Fill Door Open

Passenger Compartment Relay Box No.1

Acura RL 2005 2012 passenger compartment relay box
Acura RL 2005 2012 passenger compartment relay box
No.Relay
R1Ignition (IG2 Cut)
R2Ignition (ACC Cut)

Passenger Compartment Relay Box No.2

Acura RL 2005 2012 passenger compartment relay box 2
Acura RL 2005 2012 passenger compartment relay box 2
No.AmpsAssignment/Designation
317.5AIgnition Switch (ST), PCM (STS)
327.5AStarter Cut Relay No.1, Starter cut relay 1
Relay
R1Starter Cut No.1
Acura RL 2005 2012 dashboard 3
Acura RL 2005 2012 dashboard 3
  1. Ignition Switch Control Unit
  2. Immobilizer Control Unit (Receiver)
  3. Power Tilt/Telescopic Steering Control Unit
  4. Radio Frequency (RF) Unit No.1
  5. E-Pretensioner Unit
  6. 2005-2006: Imoes Unit
  7. HandsFreeLink Control Unit
  8. 2009-2012: Relay Box No.3
  9. 2005-2010: Powertrain Control Module
    2011-2012: Adaptive Cruise Control (ACC) Unit
  10. Supplemental Restraint System (SRS) Unit
  11. 2007-2012: Imoes Unit

Acura RL Passenger Compartment Relay Box No.3 (2009-2012)

Acura RL 2009 2012 passenger compartment relay box
Acura RL 2009 2012 passenger compartment relay box
No.Relay
R1Rear Seat Heater
R2 –

Engine Compartment

Acura RL 2005 2012 engine compartment
Acura RL 2005 2012 engine compartment
  1. Fuse Box No.1
  2. Relay Box
  3. Fuse Box No.2
  4. Radiator Fan Control (RFC) Unit
  5. VSA Modulator Control Unit

Engine Compartment Fuse Box No.1

Acura RL 2005 2012 engine compartment fuse box
Acura RL 2005 2012 engine compartment fuse box
No.AmpsAssignment/Designation
115ALeft Headlight Low Beam (HID Unit)
230ARear Window Defogger Coil, Relay Control Module
310ALeft Headlight High Beam
415AAmbient Light, Front Parking/Front Side Marker Lights, Dashlight, License Plate Lights, Roof Console Lights, Taillights, Rear Door Ashtray Lights, Rear Individual Map Light Switch Lights, Seat Heater Switches Light, Seat Ventilation Control Units, Fuse (Passenger Compartment Fuse Box No.2): No. 7
510ARight Headlight High Beam
615ARight Headlight Low Beam (HID Unit)
77.5ABack-Up Light, Relay Control Module
815APGM-FI Main Relay 1, Data Link Connector, PGM-FI Main Relay 2, Crankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor, Injectors, Powertrain Control Module (PCM), Throttle Actuator Control Module Relay
930AWindshield Wiper Motor Relay
1030AHeadlight Washer Relay
1120A2005-2008: Fog Lights
10A2009-2012: Fog Lights
127.5AA/C Compressor Clutch
1315ABrake Lights, High Mount Brake Light. Adaptive Cruise Control (ACC) Unit (2006-2012), Horns, Relay Control Module
1440ARear Window Defogger Relay, Noise Condenser
1540AFuse (Passenger Compartment Fuse Box No.1): No. 5, 6, 7, 8, 9; Fuse (Engine Compartment Fuse Box No.1): No. 7 (2011-2012)
1615ATurn Signal/Hazard Relay, Multiplex Integrated Control Unit (MICU)
1730AVSA Modulator Control Unit (Motor)
1840AVSA Modulator Control Unit
1940AFuse (Passenger Compartment Fuse Box No.1): No. 1, 2, 3, 4
2040AFuse (Passenger Compartment Fuse Box No.1): No. 12, 13, 14, 15, 16, 17
2140ABlower Motor Relay
22120ABattery, Power Distribution
70APassenger Compartment Fuse Box No.1
2350AIgnition Switch (BAT), Starter Motor (Starter Cut Relay 1, 2)
50AFuse (Passenger Compartment Fuse Box No.1): No. 24, 25, 26, 27, 28
Relay
R1Fog Light Fan Control
R2Windshield Wiper
R3Rear Window Defogger
R4A/C Compressor Clutch
R5Blower Motor

Engine Compartment Fuse Box No.2

Acura RL 2005 2012 engine compartment fuse box 2
Acura RL 2005 2012 engine compartment fuse box 2
No.AmpsAssignment/Designation
3450ARadiator Fan Control (RFC) Unit
35– –

Engine Compartment Relay Box

Acura RL 2005 2012 engine compartment relay box
Acura RL 2005 2012 engine compartment relay box
No.Relay
R12006-2012: Adaptive Cruise Control (ACC)
R2Daytime Running Light (DRL)
R3Radiator Fan Control (RFC) Unit
Acura RL 2005 2012 sensor 1
  1. Roof Console
  2. Homelink Unit
  3. Fuel Pump Control Module (FPCM)
  4. 2005-2006: Onstar Control Unit
Acura RL 2005 2012 sensor 2
  1. Super Handling-All Wheel Drive (SH-AWD) Relay
  2. Super Handling-All Wheel Drive (SH-AWD) Control Unit
Acura RL 2005 2012 sensor 3
  1. Radio Frequency (RF) Unit No.2
  2. Power Rear Sunshade Control Unit
  3. Acuralink Control Unit (XM Receiver)
Acura RL 2005 2012 sensor 4
  1. 2011-2012: Parking and Back-Up Sensor Control Unit
  2. Audio Amplifier
  3. Active Noise Control (ANC)/Active Sound Control Unit
  4. Tire Pressure Monitoring System (TPMS) Control Unit
  5. Navigation Unit

In conclusion, the 2005-2012 Acura RL is a luxurious sedan that offers a comfortable ride, powerful performance, and advanced safety features. However, like any other car, it requires proper maintenance and attention to detail, especially when it comes to its electrical components. The fuse box and relays play a crucial role in ensuring that these components function correctly, and any issues with them can result in serious problems with the car’s performance. It is essential to check these components regularly and replace any faulty fuses or relays immediately to avoid any potential safety hazards. Overall, the 2005-2012 Acura RL is a reliable and well-built car that can provide a smooth and enjoyable driving experience with proper care and maintenance.

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