Acura RL (KB1/KB2; 2004-2012) fuses and relays

This material discusses in detail the fuse diagrams of the Acura RL (second generation; KB1/KB2): 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 release with 3.5L and 3.7L engines.

Fuse #9 in the passenger compartment fuse box #1 is resposible for the cigar lighter.

In the engine compartment

The general arrangement of electronic units in the engine compartment of the Acura RL 2:

1 Primary Fuse Box
2 Relay Box
3 Secondary Fuse Box
4 Radiator Fan Control (RFC) Unit
5 VSA Modulator Control Unit

Primary Fuse Box


Located on the driver’s side. To access it, push the tabs.

General view.

Diagram
No. Description Amps
R1 Fog Light Fan Control Relay -
R2 Windshield Wiper Relay -
R3 Rear Window Defogger Relay -
R4 A/C Compressor Clutch Relay -
R5 Blower Motor Relay -
1 Left Headlight Low Beam (HID Unit) 15 A
2 Rear Window Defogger Coil, Relay Control Module 30 A
3 Left Headlight High Beam 10 A
4 Ambient 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, Passenger Compartment Fuse Box No.2: 7 15 A
5 Right Headlight High Beam 10 A
6 Right Headlight Low Beam (HID Unit) 15 A
7 Back-Up Light, Relay Control Module 7,5 A
8 PGM-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 15 A
9 Windshield Wiper Motor Relay 30 A
10 Headlight Washer Relay 30 A
11 2004-2008: Fog Lights 20 A
2009-2012: Fog Lights 10 A
12 A/C Compressor Clutch 7,5 A
13 Brake Lights, High Mount Brake Light. Adaptive Cruise Control (2006-2012), Horns, Relay Control Module 15 A
14 Rear Window Defogger Relay, Noise Condenser 40 A
15 Driver's side fuse box in the passenger compartment: No. 5, 6, 7, 8, 9;
Engine Compartment Primary Fuse Box: # 7 (2011-2012)
40 A
16 Turn Signal/Hazard Relay, Multiplex Integrated Control Unit (MICU) 15 A
17 VSA Modulator (Motor) 30 A
18 VSA Modulator 40 A
19 Driver's side fuse box in the passenger compartment: #1, 2, 3, 4 40 A
20 Driver's side fuse box in the passenger compartment: #12, 13, 14, 15, 16, 17 40 A
21 Blower Motor Relay 40 A
22 Battery, Power Distribution 120 A
Driver's side fuse box in the passenger compartment 70 A
23 Ignition Switch (BAT), Starter Motor (Starter Cut Relay 1, 2) 50 A
Driver's side fuse box in the passenger compartment: No. 24, 25, 26, 27, 28 50 A

Secondary Fuse Box


Located on the battery. Push the tabs, to open it.


1. Radiator fan (50 A)

In the passenger compartment

The general arrangement of electronic modules in the passenger compartment of the Acura RL 2:

No. Unit
1 №1 Relay Box  
2 Combination Switch Control Module
3 Gauge Control Unit
4 Turn Signal / Hazard Relay №2
5 Navigation Display
6 №2 Fuse Box 
7 Control Motor Relay (HVAC)
8 Climate Control Module
9 Audio Module
10 №2 Relay Box  
1 №1 Fuse Box  
2 Keyless Access Unit
3 Adaptive Front Lighting (AFS)
Headlight Leveling Control System (without AFS)
4 Electronically Controlled Power Steering (ECPS)
5 Daytime Running Lighting (DRL)
6 2004-2010: Adaptive Cruise Control
6 2011-2012: Powertrain Control Module
1 Ignition Switch Control Unit
2 Immobilizer (Receiver)
3 Power Tilt/Telescopic Steering
4 Radio Frequency (RF) Module №1
5 E-Pretensioner Module
6 2004-2006: Imoes Unit
7 HandsFreeLink System
8 2009-2012: Relay Box №3
9 204-2010: Powertrain Control Unit
9 2011-2012: Adaptive Cruise Control (ACC)
10 Supplemental Restraint System (SRS) System
11 2007-2012: Imoes Unit

Fuse box #1


Located under the dashboard on the driver’s side.


To get access remove the lid. Put finger in the notch on the lid, pull it toward, and take it out of its hinges.


General view.

Diagram
No. Description Amps
R1 Turn Signal / Hazard Relay
R2 Ignition Coil Relay
R3 PGM-FI Main №1
R4 Accessory Power Socket Relay
R5 PGM-FI Main №2 (Fuel Pump Relay)
R6  -
R7 Air Fuel Ratio (A/F) Sensor
R8 Starter Cut №2
1 Electronic Throttle Control System (ETCS) Control Relay 15 A
2 Ignition Coil Relay, Ignition Coils 15 A
3 Daytime Running Lights Control Unit (USA), Daytime Running Lights Control Relay (Canada) - DRL 10 A
4 Front Air Fuel Ratio (A/F) Sensor, Front Secondary Heated Oxygen Sensor (HO2S), Rear Air Fuel Ratio (A/F) Sensor, Rear Secondary Heated Oxygen Sensor (HO2S) 15 A
5 AcuraLink System (XM Receiver), ANC/Active Sound System (2011-2012). Audio System, Navigation, HandsFreeLink Unit, Onstar Unit (2004-2006), Display (2004-2010) 7,5 A
6 Keyless Access System, Footwell Lights, Courtesy Lights, Door Inner & Outer Handle Lights, Trunk Lights, Individual Map Lights, Vanity Mirror Lights, Left and Right Rear Power Window Switches, Driver's MPCS (2004-2010), Front Passenger's MPCS (2004-2010), Driver's & Front Passenger'sOuter Handle Touch Sensor (2004-2010) 7,5 A
7 Combination Switch Control Unit, Driver's Outer Handle Touch Sensor (2011-2012), Gauge Control Unit, Immobilizer Control Unitreceiver, Imoes Unit, Driver's MPCS Unit, 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, Multiplex Integrated Control Unit (MICU), Navigation Display, Navigation System, Keyless Access Unit, Ignition Key Light, Adaptive Cruise Control (2006-2012),  Fog Lights Relay (2011-2012), 10 A
8 Door Lock, Multiplex Integrated Control Unit (MICU) 20 A
9 Accessory Power Sockets, Acura RL Cigarette Lighter Fuse 20 A
10 Occupant Detection System (ODS), Front Passenger's Airbag Cutoff Indicator, Supplemental Restraint System (SRS) 7,5 A
11 2004-2008: Adaptive Front Lighting, Power Rear Sunshade, Windshield Washer Motor, Under-Hood Fuse/Relay Box 7,5 A
2009-2012: Adaptive Front Lighting, Power Rear Sunshade, Windshield Washer Motor, Under-Hood Fuse/Relay Box 15 A
12 2004-2008: Tire Pressure Monitoring System (TPMS) 7,5 A
2009-2012: Rear Seat Heater 15 A
13 Front Passenger's Power Seat (Recline and Rear Up/Down Motors) 20 A
14 Driver's Lumbar Support Motor (2009-2012), Power Seat (VMP1) 20 A
15 2004-2008: Driver's and Front Passenger Lumbar Support Motor 10 A
2009-2012: Tire Pressure Monitoring System (TPMS) 7,5 A
16 Power Seat (VMP2) 20 A
17 Front Passenger's Lumbar Support Motor (2009-2012), Front Passenger's Power Seat (Slide and Front Up/Down Motors) 20 A
18 Alternator, 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) 15 A
19 Imoes Unit (2011-2012), Keyless Access Control Unit, Powertrain Control Module (PCM), Acura RL Fuel Pump Fuse (PGM-FI Main Relay 2) 20 A
20 Mass Airflow (MAF) Sensor/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM) 15 A
21 Seat Ventilation, Automatic Dimming Inside Mirror, Combination Switch, Driver's MPCS, Electronically Controlled Power Steering (ECPS) (2011-2012), Gauge Module, Imoes, Power Seat, Power Tilt/Telescopic Steering, Shift Lock Solenoid, Seat Belt Tension Reducer Solenoid, Tire Pressure Monitoring System (TPMS), AcuraLink (XM Receiver System), Daytime Running Lights (USA), Navigation, Power Steering, Seat Belt Tension Reducers, XM Receiver, Under-Hood Fuse/Relay Box (Relay Control Module), Onstar System (2004-2006) 10 A
22 Supplemental Restraint System (SRS) 10 A
23 Radiator Fan Control (RFC) Unit Relay, Air Fuel Ratio (A/F) Sensor Relay 7,5 A
24 Left Rear Power Window Switch 20 A
25 Power Tilt/Telescopic Steering (Telescopic) 20 A
26 Power Tilt/Telescopic Steering (Tilt) 20 A
27 Driver’s Power Window 30 A
28 Moonroof Motor 20 A
29 Adaptive Front Lighting, Headlight Leveling (without AFS (2007-2012)) Power Steering, Super Handling-All Wheel Drive (SH-AWD). Adaptive Cruise Control (ACC) (2006-2012), Millimeter Wave Radar Unit. Adaptive Cruise Control (ACC) Relay (2006-2012) 7,5 A
30 A/C Compressor Clutch Relay, Blower Motor Relay, Climate Control, In-car Temperature Sensor, Rear Seat Heater Relay (2009-2012), Rear Window Defogger Relay, Seat Heater Relay 7,5 A
31 2009-2012: E-Pretensioner System 7,5 A
32 AcuraLink System (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) 10 A
33 Empty -

Fuse box #2


Located under the dashboard on the passenger’s side.


To get access remove the lid.


General view of the fuse box.

Diagram
No. Description Amps
R1 Headlight Washer Relay
R2 Electronic Throttle Control System (ETCS)
R3 Seat Heater Relay
R4 Fuel Fill Door Open
1 Super Handling-All Wheel Drive (SH-AWD) Control Unit (Super Handling-All Wheel Drive (SH-AWD) Relay) 30 A
2 Audio Amplifier 30 A
3 Passenger's Power Window 30 A
4 E-Pretensioner System 30 A
5 Right Rear Power Window Switch 20 A
6 Seat Ventilation Fan Motors, Seat Heater Relay 20 A
7 Audio system, 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 7,5 A 
8 2006-2012: E-Pretensioner System 30 A 
9 Climate Control, Control Motor Relay 7,5 A 

Sub relay boxes

Three additional relay blocks are located in the cabin.

No. Description Amps
Relay box #1
R1 Ignition (IG2 Cut) -
R2 Ignition (ACC Cut) -
Relay box #2
R1 Starter Cut №1 -
31 Ignition Switch (ST), PCM (STS) 7,5
32 Starter Cut Relay №1, Starter cut relay 1 7,5
Relay box #3
R1 Rear Seat Heater -
R2 Empty -

Car body

Arrangement of electronic units.

1 Super Handling-All Wheel Drive Relay
2 Super Handling-All Wheel Drive Control Module
1 Roof Console
2 Homelink System
3 Fuel Pump Control Unit
4 2004-2006: Onstar Control Module
1 2011-2012: Parking and Back-Up Sensor Unit
2 Audio Amplifier
3 Active Noise Control (ANC)/Active Sound Unit
4 Tire Pressure Monitoring System (TPMS) Unit
5 Navigation System
1 Radio Frequency Module
2 Power Rear Sunshade Module
3 Acuralink (XM Receiver)
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