GROUND DISTRIBUTION – Toyota MR2 2003 – SYSTEM WIRING DIAGRAMS

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:

• (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:

• (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