The Acura TSX 2004-2008 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 TSX 2004-2008, and provide helpful information on troubleshooting and fixing any related problems.

(2004-2008) Acura TSX fuse box and relay with Diagram

Passenger compartment

Acura TSX 2004 2008 dashboard
Acura TSX 2004 2008 dashboard
  1. Fuse Box
  2. 2007-2008: Tire Pressure Monitoring System (TPMS) Control Unit
  3. Combination Switch Control Unit

Passenger Compartment Fuse Box

Acura TSX 2004 2008 passenger compartment fuse box
Acura TSX 2004 2008 passenger compartment fuse box
No.AmpsAssignment/Designation
115AThrottle Actuator Control Module (Throttle Actuator Control Module Relay)
215AIgnition Coils (Ignition Coil Relay), Ignition Coil (IG) Relay
310ADaytime Running Lights Relay
410AAir Fuel Ratio Sensor (Sensor 1), Evaporative Emission Control (EVAP) Canister Vent Shut Valve (2006-2008)
520AAudio Amplifier
610AAmbient Light, Audio Unit, Ceiling Light, Courtesy Lights, HandsFreeLink Control Unit (2006-2008)
710ACombination Switch Control Unit, Gauge Control Module, Immobilizer Control Unit-Receiver, Imoes Unit. Navigation Display Unit, Driving Position Memory Switch Indicator (2006-2008), Navigation Unit, Power Seat Control Unit (2006-2008), Power Window Master Switch, Multiplex Integrated Control Unit (MICU)
820ATrunk Lid Opener Solenoid, Multiplex Integrated Control Unit (MICU)
915AConsole Accessory Power Socket (Accessory Power Socket Relay), Front Accessory Power Socket (Accessory Power Socket Relay)
107.5AOccupant Position Detection System (OPDS) unit (2004-2005), Occupant Detection System (ODS) Unit (2006-2008), Supplemental Restraint System (SRS) Unit
1130AWindshield Wiper Motor
127.5A2007-2008: Tire Pressure Monitoring System (TPMS) Control Unit
1320A2005-2008: Front Passenger’s Power Seat Recline Motor (Driver’s Power Seat Adjustment Switch)
1420ADriver’s Power Seat Front Up-Down Motor, Driver’s Power Seat Adjustment Switch, Driver’s Power Seat Side Motor
1520ASeat Heaters, Seat Heater Relay, Seat Heater Switches Indicator
1620ADriver’s Power Seat Rear Up-Down Motor, Driver’s Power Seat Adjustment Switch, Driver’s Power Seat Recline Motor, Power Seat Control Unit (2006-2008)
1720AFront Passenger’s Power Seat Slide Motor, Front Passenger’s Power Seat Adjustment Switch (2005-2008)
1815AAlternator, Camshaft Position (CMP) Sensor A, ECM/PCM (Brake Pedal Position Switch), Electrical Load Detector (ELD) Unit, Engine Mount Control Solenoid Valve, Evaporative Emission Control (EVAP) Canister Purge Valve, Evaporative Emission Control (EVAP) Vent Shut Valve (2004-2005). Power Seat Control Unit (2006-2008), Reverse Lockout Solenoid Valve (M/T), Secondary Heated Oxygen Sensor, VSA Modulator Control Unit
1915AECM/PCM, Immobilizer Control Unit-Receiver, Imoes Unit, Fuel Pump (PGM-FI Main Relay No.2)
2010AWindshield Washer Motor
217.5AAutomatic Dimming Inside Mirror, Back-Up Lights, Combination Switch Control Unit, Door Multiplex Control Unit, Gauge Control Module, Multiplex Integrated Control Unit (MICU), Tire Pressure Monitoring System (TPMS) Control Unit, Relay Control Module
2210ASupplemental Restraint System (SRS) Unit
237.5AAir Fuel Ratio (A/F) Sensor Relay, ECM/PCM
2420ALeft Rear Power Window Motor (Left Rear Power Window Switch)
2520ARight Rear Power Window Motor (Right Rear Power Window Switch)
2620AFront Passenger’s Power Window Motor (Front Passenger’s Power Window Switch)
2720ADriver’s Power Window Motor (Power Window Master Switch)
2820AMoonroof Motor (Moonroof Open/Close Relays)
29 –
307.5AA/C Compressor Clutch Relay, A/C Condenser Fan Relay, Blower Motor Relay, Climate Control Unit (Audio-HVAC Display Module), Power Mirror Actuator (Power Mirror Switch), Power Mirror Defoggers (Power Mirror Switch), Radiator Fan Relay, Rear Window Defogger Relay, Recirculation Control Motor, Seat Heater Relay
31 –
327.5AHandsFreeLink Control Unit (2006-2008), Accessory Power Socket Relay, Audio Unit (Audio-HVAC Display Module), Navigation Display Unit (Audio-HVAC Display Module), Navigation Unit, Shift Lock Solenoid (A/T), Audio Amplifier, Multiplex Integrated Control Unit (MICU)
33 –
Relay
R1 –
R2Ignition Coil
R3PGM-FI Main No.1
R4Accessory Power Socket
R5PGM-FI Main No.2 (Fuel Pump)
R6Power Window
R7Air Fuel Ratio (A/F) Sensor
R8Starter Cut
Acura TSX 2004 2008 dashboard 2
Acura TSX 2004 2008 dashboard 2
  1. Immobilizer Control Unit-Receiver
  2. Audio – HVAC Display Module
  3. 2007-2008: Imoes Unit
Acura TSX 2004 2008 dashboard 3
Acura TSX 2004 2008 dashboard 3
  1. Throttle Actuator Control Module Relay
  2. Seat Heater Relay
  3. Throttle Actuator Control Module
  4. HandsFreeLink Control Unit
  5. ECM/PCM
  6. Supplemental Restraint System (SRS) Unit

Engine Compartment

Acura TSX 2004 2008 engine compartment
Acura TSX 2004 2008 engine compartment
  1. VSA Modulator Control Unit
  2. Relay Box
  3. Fuse Box

Engine Compartment Fuse Box

Acura TSX 2004 2008 engine compartment fuse box
Acura TSX 2004 2008 engine compartment fuse box
No.AmpsAssignment/Designation
115ALeft Headlight (Low Beam)
230ARear Window Defogger, Relay Control Module (with Climate Control)
310ALeft Headlight (High Beam)
415AAudio-HVAC Display Module Light, A/T Gear Position Console Light, Center Pocket Light, Driving Position Memory Switch, Front Parking Lights, Glove Box Light, Hazard Warning Switch Light, Moonroof Switch Light, Navigation Unit, Relay Control Module, Rear Side Marker Lights, Seat Heater Switch Light, Taillights, VSA OFF Switch Light
510ARight Headlight (High Beam)
615ARight Headlight (Low Beam)
77.5ABack Up Light, Relay Control Module
815ACrankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor B, ECM/PCM (2 Wires), Injectors, PGM-FI Main Relay, Throttle Actuator Control Module Relay
920AA/C Condenser Fan Motor (A/C Condenser Fan Relay), A/C Compressor Clutch (A/C Compressor Clutch Relay)
1020AFog Lights (Front Fog Light Relay), Fog Light Relay (2006-08)
1120ARadiator Fan Motor (Radiator Fan Relay)
12 –
1320ABrake Lights, ECM/PCM, High Mount Brake Light, Ignition Key Light, Multiplex Integrated Control Unit (MICU), Horns (Relay Control Module)
1440ANoise Condenser, Rear Window Defogger (Rear Window Defogger Relay)
1540AFuse (Passenger Compartment Fuse Box): No. 5, 9; Fuse (Engine Compartment Fuse Box): No. 7
1615ATurn Signal/Hazard Relay
1730AVSA Modulator Control Unit
1840AVSA Modulator Control Unit
1940AFuse (Passenger Compartment Fuse Box): No. 1, 4
2040AFuse (Passenger Compartment Fuse Box): No. 13, 17
2140ABlower Motor (Blower Motor Relay)
22100ABattery, Power Distribution
2350AIgnition Switch
50APower Window Relay. Fuse (Passenger Compartment Fuse Box): No. 24, 28
Relay
R1Radiator Fan
R2A/C Condenser Fan
R3Rear Window Defogger
R4A/C Compressor Clutch
R5Blower Motor

Engine Compartment Relay Box (2006-2008)

Acura TSX 2004 2008 engine compartment relay box
Acura TSX 2004 2008 engine compartment relay box
No.Relay
R12006-2008: Fog Light
R2Daytime Running Light
Acura TSX 2004 2008 body receivers and relays
Acura TSX 2004 2008 body receivers and relays
  1. XM Receiver
  2. Navigation Unit
  3. Moonroof Close Relay
  4. Moonroof Open Relay

In conclusion, the Acura TSX 2004-2008 is a reliable and high-performing vehicle that offers great value for its price. However, like all cars, it requires regular maintenance and occasional repairs to keep it running smoothly.

One important component to be aware of is the fuse box and relay, which play a crucial role in the electrical system of the car. These components help to protect the electrical system from damage and can also be used to troubleshoot issues that may arise.

Other important electrical components in the Acura TSX 2004-2008 include the battery, alternator, starter, and various sensors and modules. These components work together to ensure that the car runs efficiently and effectively, and it’s important to keep them in good condition through regular maintenance and repairs.

Overall, the Acura TSX 2004-2008 is a great choice for anyone looking for a reliable and stylish vehicle that offers plenty of features and performance. By taking care of the fuse box and relay and other electrical components, owners can ensure that their car runs smoothly for years to come.

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