Contents Wiring diagrams Section: Body Electrical All sections

Fuses & Circuit Breakers (4-cyl) Acura TSX II

Body Electrical 3 illustrations

Fuse to Components Index

Under-Hood Fuse/Relay Box

Fuse NumberAmpsComponent(s) or Circuit(s) Protected
11-1MAIN100 ABattery, Power supply
1-2AS F/B STD40 ANo. 8, No. 9, No. 10, No. 11, No. 12, and No. 13 fuses in the passenger's under-dash fuse/relay box
22-1EPS70 AEPS control unit
2-2AS F/B OP40 ANo. 14, No. 15, No. 16, No. 18, and No. 19 fuses in the passenger's under-dash fuse/relay box
2-3VSA FSR30 AVSA modulator-control unit (FSR+B)
2-4PTG MTR40 APower tailgate control unit (4)
2-5VSA MTR30 AVSA modulator-control unit (MR+B)
2-630 ANot used
33-1IG MAIN50 AIgnition switch
3-240 ANot used
3-3AS LT MAIN30 ANo. 1, No. 2, No. 3, No. 4, and No. 5 fuses in the passenger's under-dash fuse/relay box
3-4DR F/B60 ANo. 19, No. 20, No. 21, No. 22, No. 23, No. 24, and No. 25 fuses in the driver's under-dash fuse/relay box
3-5DR LT MAIN30 ANo. 26, No. 27, No. 28, No. 29, and No. 30 fuses in the driver's under-dash fuse/relay box
3-6MAIN FAN MTR30 ARadiator fan motor (via radiator fan relay)
3-730 ANot used
3-8WIP MTR30 AWiper motor relay circuit, Wiper motor intermittent relay circuit and Wiper motor HI/LOW relay circuit in the relay circuit board (via wiper motor relay circuit in the relay circuit board), Windshield wiper motor (via wiper motor relay circuit, wiper motor intermittent relay circuit, and wiper HI/LOW relay circuit in the relay circuit board)
440 ACondensers, (via rear window defogger relay), Rear window defogger (via rear window defogger relay)
520 AA/C condenser fan motor (via A/C condenser fan relay circuit in the relay circuit board)
6Not used
720 APower tailgate control unit (4)
840 ABlower motor (via blower motor relay)
915ADriver's MICU (+ B HAZARD), Driver's MICU (HAZARD SW) (via hazard warning switch)
1010ADriver's under-dash fuse/relay box, Horn relay, Horns (via horn relay)
11Not used
1215AECM/PCM (BK SW) (via brake pedal position switch)
1315AIgnition coil relay, Ignition coils (via Ignition coil relay)
1415AA/F sensor (sensor 1) (via PGM-FI subrelay), EVAP canister vent shut valve (via PGM-FI subrelay), No. 21 fuse in the under-hood fuse/relay box (via PGM-FI subrelay), PGM-FI subrelay
1510AAcuraLink control unit (XM receiver) (3) . Audio-navigation switch panel (1) , Audio unit (2) , Audio-HVAC display unit (2) , Audio-navigation unit (1) . Data link connector (DLC), Driver's door courtesy light, Driver's MICU (VBU), Front passenger's door courtesy light. Gauge control module, HandsFreeLink control unit, HFL-navigation microphone (1) , Immobilizer-keyless control unit, Navigation display unit (1) , Passenger's MICU (VBU), Power tailgate control unit (4) , Power window master switch. Power seat control unit
167.5 ACeiling light, Front individual map light. Ignition key light, Inside tailgate switch (4) , Left rear door courtesy light, Right rear door courtesy light. Trunk light, Vanity mirror lights
1715ACKP sensor (via PGM-FI main relay 1), CMP sensor B (via PGM-FI main relay 1), ECM/PCM (IGP) (via PGM-FI main relay 1), Electronic throttle control system (ETCS) control relay (via PGM-FI main relay 1), Injectors (via PGM-FI main relay 1), MAF sensor (via PGM-FI main relay 1), PGM-FI main relay 1, PGM-FI main relay 2 (via PGM-FI main relay 1)
1815AECM/PCM (VBETCS) (via ETCS control relay)
19Not used
207.5 AA/C compressor clutch (via A/C compressor clutch relay)
217.5 AA/C condenser fan relay circuit in the relay circuit board
(1) With navigation (2) Without navigation (3) USA models with navigation (4) Sport Wagon with power tailgate
(1)With navigation
(2)Without navigation
(3)USA models with navigation
(4)Sport Wagon with power tailgate

FUSE NUMBER REFERENCE

Scheme 1109

Scheme 1109

Driver's Under-Dash Fuse/Relay Box

Fuse NumberAmpsComponent(s) or Circuit(s) Protected
1Not used
27.5 APower seat control unit (1)
315AWindshield washer motor (via washer motor relay circuit in the passenger's under-dash fuse/relay box), Washer motor relay circuit in the passenger's under-dash fuse/relay box
410AWiper motor relay circuit in the relay circuit board (in the under-hood fuse/relay box)
57.5 AAcuraLink control unit (XM receiver) (2) . Automatic dimming inside mirror, Automatic dimming inside mirror (via back-up light switch (3) /reverse relay circuit (4) ), Back-up lights (via back-up light switch (3) /reverse relay circuit (4) ), Driver's MICU (IG1) (via back-up light switch (3) /reverse relay circuit (4) ), Electrical compass unit (6) , Gauge control module, Passenger's MICU (IG1), Power tailgate control unit (8) . Reverse relay circuit (4) , Shift lock solenoid (4) , TPMS control unit
67.5 AEPS control unit, VSA modulator-control unit (IG1), Yaw rate-lateral acceleration sensor
715AAlternator, CMP sensor A, ECM/PCM (BKSWNC) (via brake pedal position switch), Electrical load detector (ELD), Engine mount control solenoid valve, EVAP canister purge valve, Reverse lockout solenoid valve (3) . Secondary HO2S
87.5 ANot used
920 AECM/PCM (IG1), Fuel pump (via PGM-FI main relay 2), Immobilizer-keyless control unit
1010APCM (VBSOL) (4)
1110ASRS unit
127.5 APassenger's airbag cutoff indicator, ODS unit, SRS unit
13Not used
14Not used
157.5 ADriver's MICU (daytime running light)
167.5 AA/C compressor clutch relay, Audio-HVAC display unit (6) , Audio-navigation switch panel (5) . Blower motor relay, Climate control unit, Door multiplex control unit (Power window master switch), Driver's seat heater switch. Fan control relay circuit in the relay circuit board, Front passenger's seat heater switch. Power mirror switch, Radiator fan relay, Rear window defogger relay
177.5 ADriver's MICU (ACC KEY LOCK)
187.5 AAcuraLink control unit (XM receiver) (2) , Audio unit (6) , Audio-navigation unit (5) , Cargo area accessory power socket relay (9) , Console accessory power socket relay, Front accessory power socket relay, HandsFreeLink control unit, Interface dial (5) , HFL-navigation microphone (5) , Key interlock solenoid (4) , Navigation display unit (5)
1920 ADriver's seat front up-down motor (via driver's power seat adjustment switch) (7) , Power seat control unit (1) . Driver's seat slide motor (via driver's power seat adjustment switch) (7)
2020 AMoonroof control unit/motor
2120 ADriver's seat rear up-down motor (via driver's power seat adjustment switch) (7) , Power seat control unit (1) , Driver's seat recline motor (via driver's power seat adjustment switch) (7)
2220 ALeft rear power window relay circuit, Left rear power window switch (via left rear power window relay circuit)
2320 AFront accessory power socket (via front accessory power socket relay)
2420 APower window master switch (Door multiplex control unit)
2515ADriver's door lock actuator (via power door lock relay circuit (LOCK)), Fuel fill door lock actuator (via power door lock relay circuit (DR UNLOCK)), Left rear door lock actuator (via power door lock relay circuit (UNLOCK)), Power door lock relay circuit (DR UNLOCK), Power door lock relay circuit (LOCK), Power door lock relay circuit (UNLOCK), Trunk lid release actuator (via trunk lid release actuator relay circuit), Trunk lid release actuator relay circuit
2610ADriver's MICU (+ B FR FOG L), Fog light relay circuit, Left fog light (via fog light relay circuit)
2710ADriver's MICU (+ B PARKING LIGHT DR), Left front parking/side marker light (via taillight relay circuit), Left taillight (via taillight relay circuit), License plate lights (via taillight relay circuit), Rear side marker lights, Right taillight (via taillight relay circuit), Taillight relay circuit (9)
2810ADriver's MICU (H/L-HI L)
2910ATPMS control unit
3015ADriver's MICU (H/L-LO L)
31Not used
(1) With DPMS (2) USA models with navigation (3) M/T (4) A/T (5) With navigation (6) Without navigation (7) Without DPMS (8) Sport Wagon with power tailgate (9) Sport Wagon
(1)With DPMS
(2)USA models with navigation
(3)M/T
(4)A/T
(5)With navigation
(6)Without navigation
(7)Without DPMS
(8)Sport Wagon with power tailgate
(9)Sport Wagon

FUSE NUMBER REFERENCE

Scheme 1110

Scheme 1110

Passenger's Under-Dash Fuse/Relay Box

Fuse NumberAmpsComponent(s) or Circuit(s) Protected
110APassenger's MICU (H/L-HI R)
210APassenger's MICU (+B PARKING LIGHT AS), Right front parking/side marker light (via taillight relay circuit)
310APassenger's MICU (+ B FR FOG R), Fog light relay circuit, Right fog light (via fog light relay circuit)
415APassenger's MICU (H/L-LO R)
5Not used
67.5 AA/T gear position indicator panel light (A/T), Ambient light, Audio-navigation switch panel (1) , Audio-navigation unit (1) , Audio-HVAC display unit (2) , Audio remote switch, Audio unit (2) . Center pocket light, Climate control unit light, Driver's footwell light, Driver's seat heater switch light, Front passenger's airbag cutoff switch light, Front passenger's footwell light, Front passenger's seat heater switch light, Glove box light, Hazard warning switch light, HomeLink unit, Moonroof switch light, Navigation display unit (1) . Steering wheel switch lights, VSA OFF switch light
7Not used
820 AFront passenger's power recline seat motor (via front passenger's power seat adjustment switch)
920 AFront passenger's power slide seat motor (via front passenger's power seat adjustment switch)
1010AFront passenger's door lock actuator (via power door lock relay circuit (LOCK) or (UNLOCK)), Power door lock relay circuit (LOCK), Power door lock relay circuit (UNLOCK), Right rear door lock actuator (via power door lock relay circuit (LOCK) or (UNLOCK))
1120 ARight rear power window relay circuit, Right rear power window switch (via right rear power window relay circuit), Right rear power window motor (via right rear power window relay circuit and right rear power window switch)
1220 AConsole accessory power socket (via console accessory power socket relay)
1320 AFront passenger's power window switch
14Not used
1520 AStereo amplifier, Subwoofer (3)
1620 ACargo area accessory power socket (via cargo area accessory power socket relay) (3)
17Not used
1810ANot used
1920 ADriver's seat heater (via driver's seat heater relay), Front passenger's seat heater (via passenger's seat heater relay)
20Not used
21Not used
22Not used
(1) With navigation (2) Without navigation (3) Sport Wagon
(1)With navigation
(2)Without navigation
(3)Sport Wagon

FUSE NUMBER REFERENCE

Scheme 1111

Scheme 1111