Fuses and relays Acura TSX (CL9; 2003-2008)

This material discusses in detail the fuse diagrams of the Acura TSX (first generation; CL9): 2003, 2004, 2005, 2006, 2007, 2008 release.

Fuse #9 in the passenger compartment is responsible for the cigar lighter and power socket.

In the engine compartment

The general arrangement of electronic units in the engine compartment of the Acura TSX.

No. Unit
1 VSA Modulator
2 2006-2008: Relay Box
3 Underhood Fuse Box

Fuse box

Located on the driver’s side near the back of the engine bay.

To access it, push the tabs.

No. Description Amps
R1 Radiator Fan Relay -
R2 A/C Condenser Fan Relay -
R3 Rear Window Defogger Relay -
R4 A/C Compressor Clutch -
R5 Blower Motor Relay -
1 Low Beam Left Headlight 15 A
2 Rear Window Defogger, Relay Control Module (with Climate Control System) 30 A
3 High Beam Left Headlight 10 A
4 Audio-HVAC Display Light, A/T Gear Position Console Light, Center Pocket Light, Driving Position Memory Switch, Front Parking Lights, Glove Box Light, Hazard Warning Switch Light, Sunroof Switch Light, Navigation System, Relay Control Unit, Rear Side Marker Lights, Seat Heater Switch Light, Taillights, VSA OFF Switch Light 15 A
5 High Beam Right Headlight 10 A
6 Low Beam Right Headlight 15 A
7 Back Up Light, Relay Control Unit 7,5 A
8 Crankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor B, ECM/PCM (2 Wires), Injectors, PGM-FI Main Relay, Throttle Actuator Control Module Relay 15 A
9 A/C Condenser Fan Motor and Clutch (A/C Condenser Fan Relay and Clutch Relay)  20 A
  • Fog Lights (Front Fog Light Relay),
  • 2006-2008: Fog Light Relay
20 A
11 Radiator Fan Relay 20 A
12 Empty -
13 Brake Lights, ECM/PCM, High Mount Brake Light, Ignition Key Light, Multiplex Integrated Control Unit (MICU), Horns (Relay Control Module) 20 A
14 Noise Condenser, Rear Window Defogger (Rear Window Defogger Relay) 40 A
15 Interior Fuse Box: fuses #5, 9;
Engine bay Fuse Box: fuse #7
40 A
16 Turn Signal/Hazard Relay 15 A
17 VSA Modulator Unit  30 A
18 40 A
19 Interior Fuse Box: fuses #1, 4 40 A
20 Interior Fuse Box: fuses #13, 17 40 A
21 Blower Motor Relay 40 A
22 Main: Battery, Power Distribution 100 A
23 Ignition Switch 50 A
  • Power Window Relay.
  • Interior Fuse Box: fuses #24, 28
50 A

Relay box

Located near the fuse box (2006-2008 models only).

No. Description
R1 Fog Light Relay
R2 Daytime Running Light Relay (DRL)

In the passenger compartment

The general arrangement of electronic units in the interior of the Acura TSX.

1 Interior Fuse Box
2 Tire Pressure Monitoring System Module (2007-2008)
3 Combination Switch Control Module
1 Throttle Actuator Control Module Relay
2 Seat Heater Relay
3 Throttle Actuator Control Unit
4 HandsFreeLink Control Module
6 Supplemental Restraint System (SRS)
1 Immobilizer Control Module-Receiver
2 Audio - HVAC Display Unit
3 Imoes System (2007-2008)

Fuse box

Located on the driver’s lower left side.

To access, pull lid toward you and take it out.

General view.

No. Description Amps
R1 Empty -
R2 Ignition Coil Relay -
R3 PGM-FI Main №1 -
R4 Accessory Power Socket  Relay -
R5 PGM-FI Main №2 (Acura TSX Fuel Pump Relay) -
R6 Power Window Relay -
R7 Air Fuel Ratio (A/F) Sensor -
R8 Starter Cut -
1 Throttle Actuator Control Module (Throttle Actuator Control Module Relay) 15 A
2 Ignition Coils (Ignition Coil Relay), Ignition Coil (IG) Relay 15 A
3 Daytime Running Lights Relay (DRL) 10 A
4 Air Fuel Ratio Sensor (Sensor 1), Evaporative Emission Control (EVAP) Canister Vent Shut Valve (2006-2008) 10 A
5 Audio Amp 20 A
6 Ambient Light, Audio Unit, Ceiling Light, Courtesy Lights, HandsFreeLink System (2006-2008) 10 A
7 Combination 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) 10 A
8 Trunk Lid Opener Solenoid, Multiplex Integrated Control Unit (MICU) 20 A
9 Console Accessory Power Socket, Front Accessory Power Socket, Acura TSX Cigarette Lighter Fuse 15 A
10 Occupant Position Detection System (2003-2005), Occupant Detection System (2006-2008), Supplemental Restraint System (SRS) 7,5 A
11 Windshield Wiper Motor 30 A
12 Tire Pressure Monitoring System (2007-2008) 7,5 A
13 Front Passenger's Power Seat Recline Motor / Driver's Power Seat Adjustment Switch (2005-2008) 20 A
14 Driver's Power Seat Front Up-Down Motor, Driver's Power Seat Adjustment Switch, Driver's Power Seat Side Motor 20 A
15 Seat Heaters, Seat Heater Relay, Seat Heater Switches Indicator 20 A
16 Driver's Power Seat Rear Up-Down Motor, Driver's Power Seat Adjustment Switch and Recline Motor, Power Seat Control Module (2006-2008) 20 A
17 Front Passenger's Power Seat Slide Motor and Adjustment Switch (2005-2008) 20 A
18 Alternator, 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 (2003-2005). Power Seat Control Unit (2006-2008), Reverse Lockout Solenoid Valve (M/T), Secondary Heated Oxygen Sensor, VSA Modulator Control Unit 15 A
19 ECM/PCM, Immobilizer Control Unit-Receiver, Imoes Unit, Fuel Pump Fuse (PGM-FI Main Relay №2) 15 A
20 Windshield Washer Motor 10 A
21 Automatic 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), Relay Control Unit 7,5 A
22 Supplemental Restraint System (SRS) 10 A
23 Air Fuel Ratio (A/F) Sensor Relay, ECM/PCM 7,5 A
24 Left Rear Power Window Motor and Switch 20 A
25 Right Rear Power Window Motor and Switch 20 A
26 Front Passenger's Power Window Motor and Switch 20 A
27 Driver's Power Window Motor and Switch 20 A
28 Sunroof Motor and Open/Close Relays 20 A
29 Empty -
30 A/C Compressor Clutch Relay and Fan Relay, Blower Motor Relay, Climate Control System (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 7,5 A
31 Empty -
32 HandsFreeLink System (2006-2008), Accessory Power Socket Relay, Audio Unit (Audio-HVAC Display Module), Navigation Display (Audio-HVAC Display Module), Navigation System, Shift Lock Solenoid (A/T), Audio Amp, Multiplex Integrated Control Unit (MICU) 7,5 A
33 Empty -

Car body

Arrangement of electronic units.

1 XM Receiver Unit
2 Navigation Module
3 Sunroof Close Relay
4 Sunroof Open Relay
Related fuse diagrams
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