Fuses and relays Acura RDX (TB1/TB2; 2006–2012)

This article provides detailed fuse box diagrams and relay layouts for the Acura RDX (first generation; TB1/TB2), covering model years 2006, 2007, 2008, 2009, 2010, 2011, and 2012.

Fuses #28 and #29 in the interior fuse box protect the cigarette lighter / accessory power sockets.
Fuse #2 in the interior fuse box protects the fuel pump.

In the Engine Compartment

General arrangement of electronic control units in the engine compartment of the Acura RDX.

1	Primary Fuse Box
2	Powertrain Control Module (PCM)
3	Sub-Relay Box
4	VSA Modulator

Primary Fuse Box

Located on the driver’s side. Push the tabs to access it.

General view.

Diagram
No.	Description	Amps
R1	A/C Condenser Fan Relay
R2	Radiator Fan Relay
R3	Fan Control Relay
R4	Electronic Throttle Control System (ETCS) Control Relay
R5	Blower Motor Relay
R6	Rear Window Wiper Motor Relay
R7	PGM-FI Main Relay 1
R8	Rear Window Defogger Relay
R9	PGM-FI Sub-Relay 2
R10	A/C Compressor Clutch Relay
R11	Ignition Coil Relay
1	Alternator, Electrical Load Detector (ELD), under-hood fuses 6, 7, 8, 9, 19, 20, 21, 22, 23, and multi-fuses 2, 4	100 A
	Super Handling All-Wheel Drive (SH-AWD) Relay	30 A
2	Under-hood fuses #5, 6, 7, 27, 28, 29, 31	80 A
	Ignition switch, starter cut relay	50 A
3	VSA Modulator	20 A
		40 A
4	Under-hood fuses #18, 19, 20, 21	50 A
	Power window relay, Under-hood fuses #24, 25, 26, 30, 32, 33	40 A
5	2009–2012: Under-hood fuse #32	30 A
6	Radiator Fan Motor	30 A
7	A/C Condenser Fan Motor	30 A
8	Rear Window Defogger	30 A
9	Blower Motor	40 A
10	Turn Signal/Hazard Warning Lights, Multiplex Integrated Control Unit (MICU)	15 A
11	PGM-FI sub-relay, Evaporative Emission (EVAP) canister purge valve, EVAP canister vent shut valve, Air-Fuel Ratio (A/F) sensor Under-hood fuse #15	15 A
12	Brake Lights, Horn, Multiplex Integrated Control Unit (MICU)	15 A
13	Power Seat Control Unit	20 A
14		20 A
15	Radiator Fan Relay	7.5 A
16	Front Passenger Power Seat Adjustment Switch	20 A
17	Electric Vacuum Pump	15 A
18	Ignition Coil Relay, Ignition Coils	15 A
19	Crankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor B, Powertrain Control Module (PCM), Electronic Throttle Control System (ETCS) Control Relay, Fuel Injectors, PGM-FI Main Relay 1 (FI MAIN), PGM-FI Main Relay 2 (Fuel Pump), Data Link Connector (DLC)	15 A
20	A/C Compressor Clutch	7.5 A
21	Electronic Throttle Control System (ETCS) Control Relay	15 A
22	Power Mirror Control Unit (2006–2007) Front Individual Map Lights, Ceiling Light, Vanity Mirror Lights, Door Courtesy Lights, Ignition Key Light, Cargo Area Light, HomeLink Unit Light	7.5 A
23	Gauge Control Module, Navigation System, Navigation Display Unit, AcuraLink System, Audio Unit, Multiplex Integrated Control Unit (MICU), HandsFreeLink System, Driving Position Memory Switch, Immobilizer-Keyless System, Power Mirror Control Unit, Power Seat Control Unit	10 A

Sub-Relay Box

Located next to the battery. Push the tabs to access it.

Diagram
No.	Description	Amps
R1	Power Mirror Defogger Relay	-
R2	Vacuum Pump Relay 1	-
R3	Vacuum Pump Relay 2	-
31	Electric Vacuum Pump	7.5 A
32	Front Passenger Power Seat Recline Motor, Front Passenger Power Seat Slide Motor	20 A

In the Passenger Compartment

General arrangement of electronic control units in the passenger compartment.

1	Immobilizer-Keyless Control Unit
2	Front Accessory Power Socket
3	Console Accessory Power Socket
4	Fog Light Relay
5	Driver Seat Heater Relay (High)
6	Tire Pressure Monitoring System (TPMS) Control Unit
7	Climate Control Module
8	AcuraLink Control Unit (XM Receiver)
9	Front Passenger Seat Heater Relay (High)
10	HandsFreeLink Control Unit
11	Front Passenger Seat Heater Relay (Low)
12	Driver Seat Heater Relay (Low)
1	Interior Fuse Box
2	Power Mirror Control Unit
3	Gauge Control Module

Interior Fuse Box

Located under the dashboard on the driver’s lower left side.

Accessing the fuse box.

General view.

Diagram
No.	Description	Amps
R1	Power Window Relay
R2	Fuel Pump Relay (PGM-FI Main Relay 2)
R3	Starter Cut Relay
1	Moonroof, Power Mirrors, Power Seat (2008–2011), Power Window Master Switch, Super Handling All-Wheel Drive (SH-AWD), Multiplex Integrated Control Unit (MICU)	7.5 A
2	Fuel Pump Control Module Fuse (PGM-FI Main Relay 2), Immobilizer-Keyless Control Unit, Powertrain Control Module (PCM)	20 A
3	Alternator, Brake Pedal Position Switch, Camshaft Position (CMP) Sensor A, Electrical Load Detector (ELD) Unit, Mass Air Flow/Intake Manifold Air Temperature (MAF/IAT) Sensor, Secondary Heated Oxygen Sensor (HO2S), Turbocharger Boost Control Solenoid Valve, Turbocharger Bypass Control Solenoid Valve, Turbocharger Wastegate Control Solenoid Valve	15 A
4	Multiplex Integrated Control Unit (MICU), Steering Angle Sensor, VSA Modulator-Control Unit, Yaw Rate/Lateral Acceleration Sensor	7.5 A
5	Driver Seat Heater Relays (High and Low), Front Passenger Seat Heater Relays (High and Low)	15 A
6	Fog Light Relay	20 A
7	Driver Power Lumbar Support Switch, Multiplex Integrated Control Unit (MICU)	7.5 A
8	Rear Window Wiper Motor, Rear Window Wiper Relay, Multiplex Integrated Control Unit (MICU)	10 A
9	Audio Switch Panel, Multiplex Integrated Control Unit (MICU), Navigation Switch Panel, Occupant Detection System (ODS) Unit, Supplemental Restraint System (SRS) Unit, Passenger Airbag Cutoff Indicator	7.5 A
10	AcuraLink System (XM Receiver), Electronic Compass, Gauge Control Module, Multiplex Integrated Control Unit (MICU), Shift Lock Solenoid, Tire Pressure Monitoring System (TPMS), Automatic Lighting System (2010–2012)	7.5 A
11	Supplemental Restraint System (SRS), Multiplex Integrated Control Unit (MICU)	10 A
12	Right Headlight High Beam	10 A
13	Left Headlight High Beam	10 A
14	A/T Gear Position Indicator Panel Light, Audio Remote Switch, Audio Switch Panel, Audio Unit, Cigarette Lighter Light, Console Box Light, Cruise Control Combination Switch, Driver Climate Control Panel Switch, Driver Seat Heater Switch, Driving Position Memory Switch, Front Passenger Climate Control Panel Switch, Front Passenger Seat Heater Switch, Glove Box Light, Hazard Warning Switch, HandsFreeLink (HFL) Switch, HandsFreeLink (HFL) Voice Control Switch, Multiplex Integrated Control Unit (MICU), Moonroof Switch, Navigation Display, Navigation Switch Panel, Navigation System, Power Mirror Switch, Roof Console, Select/Reset/Information Switch, VSA OFF Switch, Ambient Light, Footwell Lights, Interior Light Switch Light, Multi-Information Switch Light, Power Mirror Switch Light	7.5 A
15	Inner Taillights, License Plate Lights, Parking Lights, Side Marker Lights, Taillights, Trailer Lighting Connector	15 A
16	Right Headlight Low Beam	15 A
17	Left Headlight Low Beam	15 A
18	High Beam (Fuses #12, #13), Multiplex Integrated Control Unit (MICU)	20 A
19	Parking Lights (Fuse #15), Multiplex Integrated Control Unit (MICU)	20 A
20	Tire Pressure Monitoring System (TPMS) Control Unit, Multiplex Integrated Control Unit (MICU)	7.5 A
21	Low Beam (Fuses #16, #17), Multiplex Integrated Control Unit (MICU)	30 A
22	Not used	-
23	2010–2012: PCM (STRLD)	7.5 A
24	Moonroof Control Unit/Motor	20 A
25	Door Lock Actuators, Multiplex Integrated Control Unit (MICU)	20 A
26	Driver Power Window Motor	20 A
27	Option Connector	20 A
28	Console Accessory Power Socket Relay	15 A
29	Cigarette Lighter Relay or Front Accessory Power Socket Relay Acura RDX Cigarette Lighter Fuse	15 A
30	Front Passenger Power Window Motor	20 A
31	Stereo Amplifier, Subwoofer	20 A
32	Right Rear Power Window Motor	20 A
33	Left Rear Power Window Motor	20 A
34	Not used	-
35	AcuraLink Control System (XM Receiver), Audio System, Cigarette Lighter Relay, Console Accessory Power Socket Relay, Front Accessory Power Socket Relay, HandsFreeLink System, Ignition Key Switch/Key Light, Interface Dial, Multiplex Integrated Control Unit (MICU), Navigation Display Unit, Navigation System, Audio Switch Panel	7.5 A
36	A/C Compressor Clutch Relay, A/C Condenser Fan Diode, A/C Condenser Fan Relay, Automatic Dimming Inside Mirror, Blower Motor Relay, Climate Control Unit, Driver Climate Control Panel Switch, Driver Seat Heater Switch, Fan Control Relay, Front Passenger Climate Control Panel Switch, Front Passenger Seat Heater Switch, Multiplex Integrated Control Unit (MICU), Option Connector, Power Mirror Defogger Relay, Power Mirror Switch, Rear Window Defogger Relay, Recirculation Control Motor, Automatic Lighting Control System (2010–2012)	10 A
37	Daytime Running Lights (DRL) Multiplex Integrated Control Unit (MICU)	7.5 A
38	Windshield Wiper Motor, Windshield/Rear Window Washer Motor	30 A
Fuse Holder
-	2010–2012: Ignition Switch, Powertrain Control Module (PCM), Starter Switch Signal (STS)	7.5 A

Car Body

General arrangement of body electronic control units.

1	Moonroof Control Module/Motor
2	Super Handling All-Wheel Drive (SH-AWD) Control Module
3	Super Handling All-Wheel Drive (SH-AWD) Relay
4	Fuel Pump Control Unit