Разделы схем — 28 (всего 38)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS PASSIVE RESTRAINTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER WINDOWS RADIO STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Manual A/C Wiring Diagram for Toyota MR2 2003 List of elements for Manual A/C Wiring Diagram for Toyota MR2 2003: 58 (at left rear of luggage compartment) (at right kick panel) ih (behind left corner of dash) (in dash harness, behind lower center of dash) i8 (in dash harness, behind right center of dash) i10 (on left front strut tower) bl (on rear of engine) eb (on right front strut tower) A/c comp relay A/c condenser fan motor (on front of vehicle, on condenser) A/c magnetic clutch & lock sensor (on lower left side of engine, on a/c compressor) A/c switch A/c thermistor (behind right side of dash, on hvac housing) A/c triple pressure switch (on right side of front compartment, beside headlight) Acmg Blower resistor (behind right side of dash) Blower motor (behind right end of dash) Blower switch C10 C11 C12 Cds fan fuse 30a Combination meter Def Defogger system Dual press Engine control module (behind driver's seat, on panel) Engine room r/b (in left side of engine compt, on firewall) Fan Fan 1 relay Fan 2 relay Fan 3 relay Fan-ig fuse 7.5a Fusible link block (in left front side of engine compartment) Gnd Hot at all times Hot in on or start Htr fuse 10a Htr fuse 40a Htr relay Ie (at left kick panel) If (behind left center of dash, on brace) Interior lights system J/b 6 (behind center of dash) L a/c Lcki Off Pre R def R/b 3 R/b 3 (behind left side of dash) R/b 4 (in front compartment, on left front fenderwell) R/b 4 (in front compt, on left front fenderwell) Radiator fan motor Rdi fan fuse 30a Red S a/c Single press
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Toyota MR2 2003 List of elements for Anti-lock Brakes Wiring Diagram for Toyota MR2 2003: 62 (in body harness, at left front of luggage compt) (on left front strut tower) bl +bm +bs Abs Abs 1 fuse 30a Abs 2 fuse 50a Abs ind B2 (in body harness, at left front of luggage compt) Bm (on left front strut tower) C10 C11 Combination meter D/g Data link connector (dlc) 3 (below left end of dash) Ecu-ig fuse 7.5a Engine control module (behind driver's seat, on panel) Fl+ Fl- Flo Fr+ Fr- Fro Gauge fuse 7.5a Gnd1 Gnd2 Hot at all times Hot in on or start Ig1 Ih (at right kick panel) J/b 6 (behind center of dash) Junction connector Junction connector 4 (behind right end of dash) Left front abs speed sensor (on left front wheel hub/spindle assembly) Left rear abs speed sensor (on left rear wheel hub/ spindle assembly) Parking brake switch (at base of parking brake lever) Pkb Pnk R/b 3 (behind left corner of dash) R/b 4 (in front compt, on left front fenderwell) Red Right front abs speed sensor (on right front wheel hub/spindle assembly) Right rear abs speed sensor (on right rear wheel hub/spindle assembly) Rl+ Rl- Rlo Rr+ Rr- Rro Sil Skid control ecu with actuator (in front compt, on left front fenderwell) Sp1 Speedometer Spfl Spfr Sprl Sprr Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Stp Tra Transmission control ecu (manual) (behind driver's seat, on panel)
ANTI-THEFT Anti-theft Wiring Diagram for Toyota MR2 2003 List of elements for Anti-theft Wiring Diagram for Toyota MR2 2003: 22 (in body harn, at left door sill) b7 A/c switch Batt Code Ea (on left rear strut tower) Efi main relay Efi1 fuse 15a Engine control module (behind driver's seat, on panel) Engine room r/b (in left side of engine compt, on firewall) Fusible link block (in left front side of engine compt) Gnd Hot at all times If (behind left center of dash, on brace) Imld J/b 6 (behind center of dash) Ksw Mrel Rxck Security indicator light Transponder key amplifier (behind left side of dash, near ignition key cylinder) Txct Unlock warning switch
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Toyota MR2 2003 List of elements for Body Control Modules Wiring Diagram for Toyota MR2 2003: 30 Act+ Act- Auto Bdr1 Bdr2 Body ecu (behind left side of instrument cluster) D p/w fuse 20a Dcty Ddn Dmdn Dmup Door fuse 15a Door locks & warning systems Door locks system Gauge fuse 7.5a Hot at all times Hot in on start Ie (at left kick panel) Ksw Lswd Lswp P p/w fuse 20a Pcty Power windows system Pwe R/b 3 (behind left corner of dash) Red Ul1 Ul2 Ul3
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Toyota MR2 2003 List of elements for Computer Data Lines Wiring Diagram for Toyota MR2 2003: 22 (in front compt, on left front fenderwell) skid control ecu with A/b Actuator B12 B7 (in body harness, at left door sill) Bat C10 Center air bag sensor assembly (behind center of dash, forward of gear shifter) Combination meter D/g Data link connector (dlc) 3 (below left end of dash) Eb (on rear of engine) Engine control module (behind driver's seat, on panel) Hot at all times Ie (at left kick panel) J/b 6 (behind center of dash) Junction connector 1 (behind upper right side of dash) Obd fuse 7.5a Power steering ecu (on left side of front compt) R/b 3 (behind left corner of dash) Sil Transmission control ecu (behind driver's seat, on panel)
COOLING FAN Cooling Fan Wiring Diagram for Toyota MR2 2003 List of elements for Cooling Fan Wiring Diagram for Toyota MR2 2003: 23 (in body harness, at left quarterpanel) b12 A/c condenser fan motor (on front of vehicle, on condenser) A/c triple pressure switch (on right side of front compartment, beside headlight) Bi (on right front strut tower) Bl (on left front strut tower) Cds fan fuse 30a Engine control module (behind driver's seat, on panel) Engine controls system Engine coolant temperature sensor (on rear of cylinder head) Fan Fan 1 relay Fan 2 relay Fan 3 relay Fan-ig fuse 7.5a Hot at all times Hot in on or start I8 (in dash harness, behind lower center of dash) R/b 3 (behind left corner of dash) R/b 4 (in front compt, on left front fenderwell) Radiator fan motor Rdi fan fuse 30a Single press Thw
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Toyota MR2 2003 List of elements for Cruise Control Wiring Diagram (1 of 2) for Toyota MR2 2003: 55 (in left side of engine compartment, on firewall) engine room r/b +bm Acc B10 B10 (in body harness, at left quarterpanel) B7 (in body harness, at left door sill) Batt Cancel Ccs Cl+ Cl- Cruise Cruise control switch (combination switch) E01 E02 E03 Ea (on left rear strut tower) Eb (on rear of engine) Ec (on rear of engine) Ecc Efi 1 fuse 15a Efi main relay Engine control module (behind driver's seat, on panel) Etcs fuse 15a Evg Fusible link block (in left front side of engine compt) Ge01 Harness, behind instrument cluster) Hot at all times Ig2 fuse 15a Ig2 relay Ignition switch Igsw J/c 3 & j/c 4 (behind right end of dash) Lock Me01 Mpx1 Mpx2 Mrel Nsw Red Resume/ accel Set/ coast Sil Spd St1- Start Stoplight switch (above brake pedal, on bracket) Stp Tha Throttle control motor (on top rear of engine) Vpa Vpa2 Vta Vta2 Cruise Control Wiring Diagram (2 of 2) for Toyota MR2 2003 List of elements for Cruise Control Wiring Diagram (2 of 2) for Toyota MR2 2003: 24 (in front of engine compt) accel position sensor (on throttle body) throttle position sensor B12 C10 C11 C12 Combination meter Cruise ind Data link connector (dlc) 3 (below left end of dash) E2g Eb (on rear of engine) Gauge fuse 7.5a Harness, at left quarterpanel) Hot at all times Hot in on or start Ie (at left kick panel) J/b 6 (behind center of dash) Mass airflow meter (on left side of engine compt, on air intake duct) Neutral start switch (near rear of engine) R/b 3 (behind left corner of dash) Sil Speedometer Stop fuse 15a Tha
DEFOGGERS Defoggers Wiring Diagram for Toyota MR2 2003 List of elements for Defoggers Wiring Diagram for Toyota MR2 2003: 21 Bk (near right door striker) C11 Combination meter Def fuse 25a Diode (idel-up) (behind upper center of dash) Gauge fuse 7.5a Gnd Hot at all times Hot in on or start I/up fuse 7.5a Ie (at left kick panel) If (behind left center of dash, on brace) J/b 6 (behind center of dash) Junction connector 3 & 4 (behind right end of dash) Noise filter (rear window defogger) (behind left end of dash) R-def R/b 3 (behind left corner of dash) Rear window defogger Rear window defogger relay (behind left end of dash, near r/b 3) Rear window defogger switch (a/c switch) Short connector (rear window defogger) (in rear of right quarterpanel)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Toyota MR2 2003 List of elements for Electronic Power Steering Wiring Diagram for Toyota MR2 2003: 29 Bl (on left front strut tower) Bm (on left front strut tower) C10 C11 Combination meter Data link connector (dlc) 3 (below left end of dash) Ecu-ig fuse 7.5a Efi Ehps fuse 50a Ehps relay Engine control module (behind driver's seat, on panel) Gauge fuse 7.5a Harness, behind intrument cluster) Hot at all times Hot in on or start Idup Ie (at left kick panel) Igb Ih (at right kick panel) J/b 6 (behind center of dash) Mrly Pgnd Power steering ecu (on left side of front compt) Power steering warning light Psct R/b 3 (behind left corner of dash) R/b 4 (in front compt, on left front fenderwell) Sil Spd
ENGINE PERFORMANCE
1.8L 1.8L, Engine Performance Wiring Diagram (1 of 3) for Toyota MR2 2003 List of elements for 1.8L, Engine Performance Wiring Diagram (1 of 3) for Toyota MR2 2003: 74 (behind driver's seat) (dash harn, behind upper center of dash) i4 (driver's door sill) b7 (under right center pillar) A/c system Abs Acc Acmg B7 (driver's door sill) Batt C10 C11 C12 Circuit opening relay Code Combination meter Cooling fans system Ea (left rear cylinder head) Efi 1 fuse 15a Efi 2 fuse 7.5a Efi main relay Electronic power steering system Engine control module (behind driver's seat, on panel) Engine room r/b (on left side of firewall) F/ps Fan Fuel pump (in fuel tank) Fusible link block (in left front corner of engine compt) Gauge fuse 7.5a Gnd Hot at all times Hot in on or start Hot in start If (left instrument panel brace) Ig2 fuse 15a Ig2 relay Ignition switch Igsw Imld Instrument cluster system J/b 6 (behind center of dash) Ksw Lcki Lock Malf ind Mpx1 Mpx2 Mrel Nsw Power steering system (power steering ecu) Pre Psct Ptnk R/b 3 (behind left corner of dash) Rxck Security indicator light (a/c switch) Sil Skid control ecu (on left front fenderwell) Spd St fuse 7.5a Sta Start Starting/ charging system (st relay) Std Stp Tach Tbp Tra Transmission system Transponder key amplifier (behind left side of dash, near ignition key cyl) Txct Unlock warning switch (center of dash) Vsv (pressure switching valve) (under rear of vehicle) W/ sequential m/t 1.8L, Engine Performance Wiring Diagram (2 of 3) for Toyota MR2 2003 List of elements for 1.8L, Engine Performance Wiring Diagram (2 of 3) for Toyota MR2 2003: 46 (behind driver's seat) (engine harn, left center of firewall) (engine harn, left front of engine compt) (in left quarter panel) j/c 5 (on bracket, above brake pedal) stoplight switch (under right rear of vehicle) vapor pressure sensor B10 B10 (behind driver's seat) B12 Center airbag sensor assembly (behind center of dash) D j/c 3 Data link connector 3 (partial) (under left end of dash) Duty E4 (engine harn, center of fire- wall) Eb (left engine block) Ec (left engine block) Etcs fuse 15a F j/c 4 Fusible link block (in left front corner of eng compt) Gnd Gsw2 Hot at all times Idle air control valve (front of engine compt) Ignition coil & igniter 1 (top of cylinder head) Ignition coil & igniter 2 (top of cylinder head) Ignition coil & igniter 3 (top of cylinder head) Ignition coil & igniter 4 (top of cylinder head) Injector 1 Injector 2 Injector 3 Injector 4 J/b 6 (behind center of dash) J/c 3, j/c 4 (behind right end of dash) Nca Nca nca Noise filter (ignition) (on rear of cylinder head) Ptnk R/b 3 (behind left corner of dash) Short connector (srs no. 2) (behind left end of dash) Sil Stop fuse 15a Vcc Visc Vsv (canister closed valve) (left rear of engine compt) W/ sequential m/t W/o sequential m/t 1.8L, Engine Performance Wiring Diagram (3 of 3) for Toyota MR2 2003 List of elements for 1.8L, Engine Performance Wiring Diagram (3 of 3) for Toyota MR2 2003: 68 (in front of eng compt) accel position sensor (left front of engine compt) vsv (evap) (left rear of cylinder head) camshaft position sensor (left side of eng compt, on air intake duct) mass airflow meter (left side of engine) crankshaft position sensor (on rear of cylinder head) engine coolant temp sensor (on throttle body) throttle position sensor +bm B10 B12 B12 (behind driver's seat) Camshaft timing oil control valve (on left front of cylinder head) Can+ Can- Ccv Cl+ Cl- Csmt E01 E02 E03 E2g Eb (left engine block) Ec (left engine block) Engine control module (behind driver's seat, on panel) Evg Evp1 Generator Geo1 Heated oxygen sensor (bank 1, sensor 1) (on exhaust system) Heated oxygen sensor (bank 1, sensor 2) (on exhaust system) Heated oxygen sensor (bank 2, sensor 1) (on exhaust system) Ht1a Ht1b Ht2a Igf Igt1 Igt2 Igt3 Igt4 Knk1 Knock sensor (left side of engine block) Meo1 Mops Nca Nca nca Ne+ Ne- Neo Ocv+ Ocv- Oil pressure switch (on left side of engine) Ox1a Ox1b Ox2a Red Rso Splice b10 & b12 - (behind driver's seat) Tha Throttle control motor (top rear of engine) Thw Transmission system Vpa Vpa2 Vta Vta2 W/ sequential m/t W/o sequential m/t
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Toyota MR2 2003 List of elements for Back-up Lamps Wiring Diagram for Toyota MR2 2003: 16 (in body harness, behind left seat) b8 B12 B12 (in body harness, at left quarterpanel) Back-up light switch (on transmission) Back-up light switch 2 (sequential m/t) (on transmission) Ea (on left rear strut tower) Ed (on right rear strut tower) Gauge fuse 7.5a Hot in on or start Left back-up light Left rear combination light R/b 3 (behind left corner of dash) Right back-up light Right rear combination light Rsw Transmission control ecu (behind driver's seat, on panel) Exterior Lamps Wiring Diagram for Toyota MR2 2003 List of elements for Exterior Lamps Wiring Diagram for Toyota MR2 2003: 58 (at left kick panel) ie (in body harness, at left quarterpanel) (in dash harness, behind lower center of dash) i8 (in dash harness, behind upper right side of dash) i9 B11 B5 (in body harness, at right quarterpanel) Bi (on right Bi (on right front strut tower) Bl (on left Bl (on left front strut tower) C10 C14 Combination meter Combination switch E j3 E j4 Ea (on left Ea (on left rear strut tower) Ed (on right rear strut tower) Front strut tower) Fusible link block (in left front side of engine compartment) Haz fuse 15a Hazard switch Head High mount stop light Hot at all times Hot in on or start I12 I12 (in dash harness, behind right side of dash) Ih (at right kick panel) J/c 3 & 4 (behind right end of dash) J3 d Left front parking light Left front side marker light Left front turn signal light Left license plate light Left rear combin- ation light Light control switch Off R/b 3 (behind left corner of dash) Rear strut tower) Right front parking light Right front side marker light Right front turn signal light Right license plate light Right rear combin- ation light Stop Stop fuse 15a Stoplight switch (above brake pedal, on bracket) Tail Tail 1 fuse 20a Tail 2 fuse 10a Tail relay Turn Turn fuse 7.5a Turn signal flasher relay (behind left side of dash, left of instrument cluster) Turn signal indicator lights Turn signal switch
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Toyota MR2 2003 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Toyota MR2 2003: 77 (in front compt, on left front fenderwell) r/b 4 (in front compt, on right front fenderwell) r/b 5 (left front wheelwell) b2 (on left side of firewall, in engine compt) engine room r/b A/c dual pressure switch A/c magnetic clutch & lock sensor A/c single pressure switch Auto antenna relay B1 (luggage room harn, right front wheelwell) B10 B10 (engine harn, left rear wheelwell) B12 (engine harn, left rear wheel well) B4 (luggage room harn, left front wheelwell) B6 (floor harn, right rear wheelwell) Bi (right front cylinder head) Bj (right front cylinder head) Bk (under right center pillar) Bl (left front cylinder head) Bm (left front cylinder head) Bn (under left center pillar) Brake fluid warning switch Clutch start switch Combination switch Data link connector Daytime running light relay Drl relay 4 E1 (fusible link block) E3 (engine harn, top left of engine) E4 (engine harn, on top of engine) E5 (floor harn, right rear wheel- well) Ea (left rear cylinder head) Eb (left engine block) Ec (left engine block) Ed (right rear cylinder head) Efi main relay Engine control module Fan relay 2 Front wiper motor Fuel pump Heated oxygen sensor (bank 1 sensor 1) Heated oxygen sensor (bank 1 sensor 2) Heated oxygen sensor (bank 2 sensor 1) High mounted stop light Hydraulic power unit Idle air control valve Ig2 relay Ignition coil & igniter 1 Ignition coil & igniter 2 Ignition coil & igniter 3 Ignition coil & igniter 4 Left buckle switch & tension reducer Left front fog light Left front parking light Left front side marker light Left front turn signal light Left headlight (low) Left license plate light Left rear combination light Neutral start switch Power steering ecu Radiator fan motor Rear window defogger Right buckle & seat belt warning occupant detection sensor Right front fog light Right front parking light Right front side marker light Right front turn signal light Right headlight (low) Right license plate light Right rear combination light Shift lever position sensor Shift lock control ecu Short connector (right rear of passenger compt) Skid control ecu w/ actuator Trans- mission control ecu Transmission control ecu W/ sequential m/t Ground Distribution Wiring Diagram (2 of 2) for Toyota MR2 2003 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Toyota MR2 2003: 40 (behind left corner of dash) r/b 3 A/c switch Acc relay Blower resistor Blower switch Body ecu C10 C11 Center air bag sensor assembly Cigarette lighter Clock Com- bination meter Combination meter Combination switch Data link con- nector Door lock control switch Heater relay I1 (i/p harn, left kick panel) I3 (i/p harn, top left of dash) I5 (in dash harn, behind upper center of dash) I9 (i/p harn, top right of dash) Ie (left kick panel) If (left instrument panel brace) Ig (right instrument panel brace) Ig1 relay Ih (right kick panel) J/b 6 (behind center of dash) Left door motor door key lock & unlock switch & door unlock detection switch Left power window control switch Noise filter (rear window defogger) Passenger air bag manual on/off switch Radio & player Remote control mirror switch Rheostat Right door motor door key lock & unlock switch & door unlock detection switch Short connector (under left side of dash) Transponder key amplifier Turn signal flasher relay Unlock warning switch Window lock switch
HEADLIGHTS Headlights Wiring Diagram for Toyota MR2 2003 List of elements for Headlights Wiring Diagram for Toyota MR2 2003: 65 (behind left corner of dash) r/b 3 (in dash harness, behind lower center of dash) (in dash harness, behind lower center of dash) i8 (in front compartment, on right front fenderwell) r/b 5 (in front compt, on left front fenderwell) r/b 4 (in left front side of engine compartment) fusible link block Bi (on right front strut tower) Bl (on left front strut tower) Brake fluid level warning switch (in front compt, on brake master cylinder reservoir) Brk C10 C11 C14 Chg- Combination meter Combination switch Daytime running light relay (behind upper left side of dash) Dim relay Dimmer switch Diode (drl) (behind left center of dash) Diode (idle-up) (behind upper center of dash) Drl Drl 1 fuse 7.5a Drl 4 relay Ecu-b fuse 10a Flash Fr fog fuse 15a Fr fog relay Front fog light switch Gauge fuse 7.5a Generator H-lp Harness, behind center of dash) Head Head relay High High beam ind Hot at all times Hot in on or start I/up fuse 7.5a Ie (at left kick panel) Ih (at right kick panel) Ind J/b 6 (behind center of dash) Junction connector 3 & 4 (behind right end of dash) Left front foglight Left headlight (high) Left headlight (low) Left lwr head fuse 10a Left upr head fuse 10a Light control switch Low Main fuse 40a Off Parking brake switch (at base of parking brake lever) Pkb R/b 5 (in front compt, on right front fenderwell) Red Red red Right front foglight Right headlight (high) Right headlight (low) Right lwr head fuse 10a Right upr head fuse 10a Tail
HORN Horn Wiring Diagram for Toyota MR2 2003 List of elements for Horn Wiring Diagram for Toyota MR2 2003: 9 Combination switch Engine room r/b (in left side of engine compt, on firewall) Fusible link block (in left front side of engine compt) Horn fuse 10a Horn relay Horn switch Hot at all times Left horn Right horn
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Toyota MR2 2003 List of elements for Instrument Cluster Wiring Diagram for Toyota MR2 2003: 97 (in dash harness, (on left front strut tower) bl A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 Abs ind Acc Air conditioning system Am2 Anti-lock brakes system B10 B11 B12 B13 B14 B15 B16 B17 B18 Behind instrument cluster) Brake fluid level warning switch (in front compt, on brake master cylinder reservoir) Brake ind Buzzer C10 C11 C12 Charge ind Clock Combination meter Cruise control system Cruise ind D j4 Defogger system Dome fuse 10a Door ind Ecu-b fuse 10a Electronic power steering system Engine control module (behind driver's seat, on panel) Engine controls system Exterior lights system Fuel gauge Fuel ind Fuel pump & fuel sender (in fuel tank) Gauge fuse 7.5a Headlights system High beam ind Hot at all times Hot in acc or on Hot in on or start Hot w/tail relay energized Ie (at left kick panel) If (behind left center of dash, on brace) Ig2 Ignition switch Ih (at right kick panel) Interior lights system J/b 6 (behind center of dash) J3 f Junction connector 3 & 4 (behind right end of dash) Junction connector 4 (behind right end of dash) Left turn ind Lock Malfunction ind lamp Meter illumination Mpx1 Mpx2 Odo/ trip Oil ind P/s ind Panel fuse 7.5a Power steering ecu (on left side of front compt) R/b 3 (behind left corner of dash) Radio 2 fuse 7.5a Red Right turn ind Seat belt ind Sequential manual transmission Sequential manual transmission shift position Spd Speedometer Srs ind Start Tach Tachometer Temperature gauge Warning system Warning systems
INTERIOR LIGHTS Courtesy Lamp Wiring Diagram for Toyota MR2 2003 List of elements for Courtesy Lamp Wiring Diagram for Toyota MR2 2003: 23 B7 (in body harness, at left door sill) C10 C11 Combination meter Diode (door courtesy) (behind upper center of dash) Dome fuse 10a Door Door ind Dswd Ecu-b fuse 10a Hot at all times I4 (in dash harness, behind instrument cluster) Ie (at left kick panel) Ih (at right kick panel) Interior light Junction connector 3 & 4 (behind right end of dash) Left door courtesy switch Off R/b 3 (behind left corner of dash) Red Right door courtesy switch Solid state Transmission control ecu (sequential m/t) (behind driver's seat, on panel) Instrument Illumination Wiring Diagram for Toyota MR2 2003 List of elements for Instrument Illumination Wiring Diagram for Toyota MR2 2003: 26 A/c switch C10 C11 C12 Combination meter Floor console) Front fog light switch Hazard switch Head Hot at all times I3 (in dash harness, behind instrument cluster) Ie (at left kick panel) Ih (at right kick panel) Illumination J/b 6 (behind center of dash) Light control switch (combination switch) Off Panel fuse 7.5a R/b 3 (behind left corner of dash) Radio & player Rheostat Shift lock control ecu (sequential m/t) (below Solid state Tail Tail 1 fuse 20a Taillight relay
PASSIVE RESTRAINTS Passive Restraints Wiring Diagram for Toyota MR2 2003 List of elements for Passive Restraints Wiring Diagram for Toyota MR2 2003: 21 (at left kick panel) Bk (near right door striker) Buckle switch (left) & tension reducer (under driver's seat) Buzzer C10 C11 Combination meter Ecu-b fuse 10a Gauge fuse 7.5a Gnd Hot at all times Hot in on or start If (behind left center of dash, on brace) Ih (at right kick panel) J/b 6 (at base of right door opening) J/c 6 (at base of right door opening) Left tension reducer solenoid (at left quaterpanel) Passenger's seat belt warning light (a/c switch) R/b 3 (behind left corner of dash) Right buckle switch & occupant detection sensor Seat belt ind
POWER ANTENNA Power Antenna Wiring Diagram for Toyota MR2 2003 List of elements for Power Antenna Wiring Diagram for Toyota MR2 2003: 18 (on right rear of vehicle, on power antenna assembly) Acc Ant Ant+ Auto antenna motor (on right rear of vehicle) Auto antenna relay Bk (near right door striker) Down Gauge fuse 7.5a Gnd Hot at all times Hot in acc or on Hot in on or start J/b 6 (behind center of dash) R/b 3 (behind left corner of dash) Radio & player Radio 1 fuse 15a Radio 2 fuse 7.5a
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Toyota MR2 2003 List of elements for Power Distribution Wiring Diagram (1 of 2) for Toyota MR2 2003: 61 Alt fuse 100a Alt-s fuse 7.5a Am2 fuse 15a B7 (engine harn, left door sill) Battery C/open relay Daytime running light relay, combination meter Dim relay Dome fuse 10a Drl 1 fuse 7.5a Drl 4 relay Ecu-b fuse 10a Ecu-b1 fuse 25a Efi main relay Efi1 fuse 15a Efi2 fuse 7.5a Engine control module Engine controls system Engine room r/b (on left side of firewall, in eng compt) Etcs fuse 15a From fusible a link block (diagram 1 of 2) From splice b7 (diagram 2 of 2) Fuel pump Fusible link block (in left front corner of engine compt) Generator Haz fuse 15a Hazard switch Head relay Horn fuse 10a Horn relay Hpu fuse 30a Hpu relay Htr fuse 40a Htr relay Hydraulic power unit Ig2 fuse 15a Ig2 relay Interior light, combination meter clock Left headlight Lh lwr head fuse 10a Lh upr head fuse 10a Main fuse 40a R/b 3 (behind left corner of dash) R/b 5 (on right front fenderwell) Radio & player, auto antenna relay Radio1 fuse 15a Red Rh lwr head fuse 10a Rh upr head fuse 10a Right headlight Smt-ig fuse 10a St fuse 7.5a St relay Starter Stm-b fuse 10a To fusible link block (diagram 1 of 2) To ignition switch (diagram 2 of 2) To r/b 3 (diagram 2 of 2) To r/b 4 (diagram 2 of 2) Transmission control ecu Transponder key amplifier Power Distribution Wiring Diagram (2 of 2) for Toyota MR2 2003 List of elements for Power Distribution Wiring Diagram (2 of 2) for Toyota MR2 2003: 82 A j/c 3 A/c switch (passenger air bag manual on/off indicator) Abs mtr relay Abs sol relay Abs1 fuse 30a Abs2 fuse 50a Ac switch, radio & player, hazard switch, combination meter, clock, shift lock control ecu Acc Acc fuse 25a Acc relay Am1 Am1 fuse 7.5a Am2 B7 (engine harn, left door sill) Body ecu C j/c 4 C/opn relay, ig2 relay, combination meter, center air bag sensor assembly Cds fan fuse 30a Center air bag sensor assembly Cig fuse 15a Cigarette lighter Clock, remote control mirror switch, radio & player, auto antenna relay, combination meter Combination meter Combination meter, generator, daytime running light relay, back-up light switch, body ecu, left tension reducer solenoid, auto antenna relay, rear window defogger relay D pw fuse 20a Data link connector 3 Def fuse 25a Diode (idle up) (behind upper center of dash) Door fuse 15a Ecu-ig fuse 7.5a Ehps fuse 50a Ehps relay Ehps relay, power steering ecu, abs ecu Fan 1 relay Fan 2 relay, fan 1 relay Fan 3 relay Fan-ig fuse 7.5a From fusible link block (alt fuse) (diagram 1 of 2) From fusible link block (am2 fuse) (diagram 1 of 2) From r/b 3 (ig1 relay) (diagram 2 of 2) Front wiper motor, front wiper & washer switch Gauge fuse 7.5a Hazard switch Htr fuse 10a Htr relay, a/c switch, a/c comp relay I/up fuse 7.5a Ie (left kick panel) If (left instrument panel brace) Ig1 Ig1 relay Ig2 Ignition switch J/b 6 (behind center of dash) J/c 3, j/c 4 (right end of dash License plate lights, rear combination lights, front side marker lights, front parking lights Lock Obd fuse 7.5a P pw fuse 20a Panel fuse 7.5a Pnk R/b 3 (behind left corner of dash) R/b 4 (on left front fenderwell) Radio2 fuse 7.5a Rdi fan fuse 30a Rear window defogger Rear window defogger relay (behind left end of dash) Red Srs fuse 7.5a St relay St2 Start Stop fuse 15a Stoplight switch Tail relay Tail1 fuse 20a Tail2 fuse 10a To fuse smt-ig (diagram 1 of 2) To r/b 3 (ecu-ig fuse) (diagram 2 of 2) Turn fuse 7.5a Washer fuse 10a Washer motor Wiper fuse 20a
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Toyota MR2 2003 List of elements for Power Door Locks Wiring Diagram for Toyota MR2 2003: 32 (in dash harness, near left kick panel) i1 (in dash harness, near left kick panel) i2 Act+ Act- Body ecu (behind left side of instrument cluster) Dcty Door fuse 15a Door lock control switch lock Gauge fuse 7.5a Hot at all times Hot in on or start I2 (in dash harness, near left kick panel) Ie (at left kick panel) If (behind left center of dash, on brace) Ih (at right kick panel) Junction block 6 (behind center of dash) Junction connector 3 & 4 (behind right j3 end of dash) Ksw Left door courtesy switch Left door lock motor, door key lock & unlock switch & door unlock detection switch Lswd Lswp Pcty R/b 3 (behind left corner of dash) Red Right door courtesy switch Right door lock motor, door key lock & unlock switch & door unlock detection switch Ul1 Ul2 Ul3 Unlk Unlock warning switch
POWER MIRRORS Power Mirrors Wiring Diagram for Toyota MR2 2003 List of elements for Power Mirrors Wiring Diagram for Toyota MR2 2003: 14 Down Hot in acc or on I2 (in dash harness, near left kick panel) Ie (at left kick panel) J/b 6 (behind center of dash) Left Left remote control mirror Operation switch R/b 3 (behind left corner of dash) Radio 2 fuse 7.5a Remote control mirror switch Right Right remote control mirror Select switch
POWER WINDOWS Power Windows Wiring Diagram for Toyota MR2 2003 List of elements for Power Windows Wiring Diagram for Toyota MR2 2003: 25 (at left kick panel) ie Auto Auto down Bdr1 Bdr2 Body ecu (behind left side of instrument cluster) D p/w fuse 20a Ddn Dmdn Dmup Down Gauge fuse 7.5a Hot at all times Hot in on or start Ih (at right kick panel) Left power window control switch Left power window motor P p/w fuse 20a Pwe R/b 3 (behind left corner of dash) Red Right power window control switch Right power window motor Under front of center console) Window lock switch
RADIO Radio Wiring Diagram for Toyota MR2 2003 List of elements for Radio Wiring Diagram for Toyota MR2 2003: 23 Acc Ant Auto antenna relay (on right rear of vehicle, on power antenna assembly) Fl+ Fl- Fr+ Fr- Gnd Hot at all times Hot in on or acc Ig (behind right center of dash, on brace) Ill Interior lights system J/b 6 (behind center of dash) Left front door speaker Left tweeter speaker Pnk R/b 3 (behind left corner of dash) Radio & player Radio fuse 15a Radio fuse 7.5a Right front door speaker Right tweeter speaker
STARTING/CHARGING Charging Wiring Diagram for Toyota MR2 2003 List of elements for Charging Wiring Diagram for Toyota MR2 2003: 20 Alt fuse 100a Alt-s fuse 7.5a Battery Battery ground C10 C11 C12 Charge ind Combination meter Engine control module (behind driver's seat, on panel) Fusible link block (in left front side of engine compt) Gauge fuse 7.5a Generator Hot in run or start Ih (at right kick panel) Mpx1 Mpx2 Nca R/b 3 (behind left corner of dash) Red/ Starting Wiring Diagram for Toyota MR2 2003 List of elements for Starting Wiring Diagram for Toyota MR2 2003: 22 Acc Am2 fuse 15a Battery Battery ground Bi (on right front strut tower) Clutch start switch (above brake pedal, on bracket) E1 (in engine harness, at left front of engine compt) Engine control module (behind driver's seat, on panel) Fusible link block (in left front side of engine compt) Ignition switch M/t Main fuse 40a Nca Off Red Sequential m/t St fuse 7.5a Sta Start Starter Starter relay Std
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Toyota MR2 2003 List of elements for Supplemental Restraints Wiring Diagram for Toyota MR2 2003: 50 (at left kick panel) ie (at right kick panel) ih (near right door striker) bk +sl +sr -sl -sr Acc Air bag squib (steering wheel pad) Am2 C10 C11 Center air bag sensor assembly (behind center of dash, forward of gear shifter) Combination meter Data link connector (dlc) 3 (partial) (below left end of dash) Engine control module (behind driver's seat, on panel) F/ps Gauge fuse 7.5a Gsw2 Hot at all times Hot in on or start Ig1 Ig2 Ignition switch J/b 6 (behind center of dash) J/c 1 (behind upper right side of dash) J/c 6 (at base of right door opening) Lbe+ Left buckle switch & tension reducer (under driver's seat) Left front air bag sensor (on left side of front compartment, beside left headlight assembly) Left pretensioner (in left quarter panel) Lock Off Passenger air bag manual on/off indicator (part of a/c switch) Passenger air bag manual on/off switch Passenger's air bag assembly (air bag squib) Pl+ Pl- Pr+ Pr- R/b 3 (behind left corner of dash) Right front air bag sensor (on right side of front compartment, beside right headlight assembly) Right pretensioner (in right quarter panel) Short connector (srs 1) (partial) (behind left end of dash) Short connector (srs 2) (behind left end of dash) Sil Solid state Srs Srs fuse 7.5a Start
TRANSMISSION Transmission Wiring Diagram (1 of 3) for Toyota MR2 2003 List of elements for Transmission Wiring Diagram (1 of 3) for Toyota MR2 2003: 70 (body harn, at left door sill) b7 (dash harn, behind upper center of dash) i5 Acc B7 (body harn, at left door sill) Bk (near right door striker) C10 C11 C12 Can+ Can- Combination meter Dswd E2 mpx2 E2ac E2cr E2ps E2sf E2sl E5 csmt Ea (left rear strut tower) Ecu-b fuse 10a Engine control module (behind driver's seat, on panel) Engine controls system Engine room r/b (on left side of firewall) Fusible link block (in left front corner of engine compt) Gauge fuse 7.5a Gnd2 Hot at all times Hot in on or start Ig2 fuse 15a Ig2 relay Ignition switch Igsw Ih (right kick panel) Left door courtesy switch Lock Ls2c Ls3c Ls4c Lsw3 Lsw4 Mpx1 Neo Nsw Pacc Pnk Psf R/b 3 (behind left corner of dash) Red Seq man trans Sequential manual trans shift position Shift lock control ecu Sil Smt-ig fuse 10a Solenoid shift lock Spd Spfl Spfr Start Stp Te1 Transmission control ecu (behind driver's seat, on panel) Vcac Vccr Vcps Vcrc Vcsf Vcsl Vsft Vslt Transmission Wiring Diagram (2 of 3) for Toyota MR2 2003 List of elements for Transmission Wiring Diagram (2 of 3) for Toyota MR2 2003: 36 (body harn, at left door sill) b7 (body harn, left quarter panel) b12 (near center front of eng compt) gear shift actuator (on bracket, above brake pedal) stoplight switch Accumulator pressure sensor B12 B9 (body harn, left quarter panel) Bn (near left door striker) Clutch solenoid Clutch stroke sensor Data link connector 3 (partial) (below left end of dash) Eb (rear of engine) Flo Fro Hot at all times Hydraulic power unit (at rear of engine compartment) J/b 6 (behind center of dash) J/c 3 d J/c 3, j/c 4 (behind right end of dash) J/c 4 f Master pressure sensor Master solenoid Motor pump Neutral start switch (near rear of engine) Pnk R/b 3 (behind left corner of dash) Red Rlo Rro Select solenoid Select stroke sensor Shift solenoid Shift stroke sensor Sil Skid control ecu with actuator (in front compt, on left front fenderwell) Stop fuse 15a Transmission Wiring Diagram (3 of 3) for Toyota MR2 2003 List of elements for Transmission Wiring Diagram (3 of 3) for Toyota MR2 2003: 58 (on left side of firewall) engine room r/b (on trans- mission) +b1 B10 B12 (body harn, left quarter panel) B7 (body harn, at left door sill) Back-up light switch Back-up light switch 2 Bk (near right door striker) Com1 Com2 Csmt E11 Eb (left engine block) Ec (rear of engine) Ed (right rear strut tower) Fusible link block (in left front corner of eng compt) Gnd1 Hot at all times Hpu fuse 30a Hpu relay Left dwn Left up Ls1c Ls2c Ls3c Ls4c Lsw1 Lsw2 Lsw3 Lsw4 Mtrl Neo Nip+ Nip- Red Right dwn Right up Rsw Sftd Sftu Shift lever position sensor (below floor console) Slc+ Slc- Smt-b fuse 10a Sprl Sprr Spv+ Spv- Ssf+ Ssf- Ssl+ Ssl- Stp Tmn Transmission control ecu (behind driver's seat, on panel) Transmission revolution sensor (near left front of eng compt) Transmission shift switch (combination switch)
WARNING SYSTEMS Warning Systems Wiring Diagram for Toyota MR2 2003 List of elements for Warning Systems Wiring Diagram for Toyota MR2 2003: 46 (under passenger's seat) B j4 Bk (near right door striker) Body ecu (behind left side of instrument cluster) Buckle switch (left) & tension reducer (under driver's seat) Buckle switch (right) & seat belt warning occupant detection sensor Buzzer C10 C11 Combination meter D j4 Dcty Diode (door courtesy) (behind upper center of dash) Dome fuse 10a Door fuse 15a Door ind Ecu-b fuse 10a Gauge fuse 7.5a Head Hot at all times Hot in on or start I2 (in dash harness, near left kick panel) I4 (in dash harness, behind instrument cluster) Ie (at left kick panel) If (behind left center of dash, on brace) Ih (at right kick panel) J/b 6 (behind center of dash) J3 b Junction connector 3 & 4 (behind right end of dash) Junction connector 6 (at base of right door opening) Ksw Left door courtesy switch Light control switch (combination switch) Off Panel fuse 7.5a Pass seat belt warning light (a/c switch) Pcty R/b 3 (behind left corner of dash) Red Right right door door courtesy courtesy switch switch Seat belt warning indicator Solid state Tail Tail 1 fuse 20a Tail relay Unlock warning switch
WIPER/WASHER Wiper/Washer Wiring Diagram for Toyota MR2 2003 List of elements for Wiper/Washer Wiring Diagram for Toyota MR2 2003: 16 Bj (on right front strut tower) Combination switch Front wiper motor (at base of left side of windshield) Front wiper switch High Hot in on or start Ih (at right kick panel) Int Low/ mist Off R/b 3 (behind left corner of dash) Solid state Washer fuse 10a Washer motor (behind right headlight assembly) Washer switch Wiper fuse 20a
