POWER DISTRIBUTION – Toyota MR2 2003 – SYSTEM WIRING DIAGRAMS

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:

• 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:

• 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