ENGINE PERFORMANCE – Toyota Supra 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L Non-Turbo, Engine Performance Wiring Diagrams (1 of 4) for Toyota Supra 1998

List of elements for 3.0L Non-Turbo, Engine Performance Wiring Diagrams (1 of 4) for Toyota Supra 1998:

• (dash harn, right side of dash)
• (eng harn, left side of engine)
• (eng harn, right side of firewall) e28
• (engine harn, left front of engine)
• (front of engine) camshaft timing oil control valve
• (front side of intake manifold)
• (front side of manifold intake)
• (rear side of intake manifold)
• (rear side of manifold intake)
• Acis
• Braid
• Braided
• C1-
• C2-
• C3-
• Camshaft position sensor (left rear of engine)
• Cl+
• Cl-
• Conn e10
• Conn e9
• Crankshaft position sensor (lower front of engine)
• E01
• E02
• E03
• E24
• E26
• E28
• E2g
• Els2
• Engine control module (below right front footrest)
• Evap
• Evg
• Front side knock sensor (left side of engine)
• G131
• G131 (rear side of intake manifold)
• Ge01
• Grd
• Htl
• Htr
• I17
• Igf
• Igniter (on left side of eng compt)
• Ignition coil 2
• Ignition coil 4
• Ignition coil 6
• Igt
• Igt1
• Igt2
• Igt3
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• Instrument cluster system (tachometer)
• J/c 2 (right side of dash)
• Knk1
• Knk2
• Mass airflow meter (next to air cleaner box)
• Me01
• Ne-
• Noise filter (left side of eng compt)
• Nsw
• Ocv+
• Ocv-
• Oxl1
• Oxr1
• Power steering oil pressure switch (left front of eng compt)
• Rear side knock sensor (left side of engine)
• Red
• Tach
• Tha
• Throttle control motor (on right side, middle of engine)
• Thw
• Vpa
• Vpa2
• Vsv (acis) (left rear of engine)
• Vsv (evap) (left rear of engine)
• Vta
• Vta2

3.0L Non-Turbo, Engine Performance Wiring Diagrams (2 of 4) for Toyota Supra 1998

List of elements for 3.0L Non-Turbo, Engine Performance Wiring Diagrams (2 of 4) for Toyota Supra 1998:

• (eng harn, front of engine)
• (engine harn, left side of engine)
• Acc
• Accel position sensor (center rear of engine compt)
• Am1
• Am2
• Braid
• E20
• E20 (engine harn, left front corner of engine compt)
• E23
• E26
• E26 (engine harn, left side of engine)
• E28
• Efi 1 fuse 30a
• Efi main relay
• Engine coolant temperature sensor (left front of cylinder head)
• Fpc
• Fuel pump (in fuel tank)
• Fuel pump ecu (left side of luggage compartment)
• G100 (front side of left fender)
• G131 (front side of intake manifold)
• G402 (left quarter panel)
• Hot at all times
• Hot w/def relay energized
• Hot w/taillight relay energized
• I17
• I20 (dash harn, right side of dash)
• Ig2
• Ign fuse 7.5a
• Ignition switch
• Instrument cluster system
• J/c 2 (right side of dash)
• Junction block 1
• Lock
• Main heated oxygen sensor (bank 1 sensor 1) (front exhaust manifold)
• Main heated oxygen sensor (bank 2 sensor 1) (rear exhaust manifold)
• Mir-htr fuse 10a
• P/n
• Panel fuse 10a
• Park/neutral position switch (side of transmission)
• Relay block 2
• St fuse 7.5a
• St2
• Start
• Starting/charging system
• Throttle position sensor (on throttle body)

3.0L Non-Turbo, Engine Performance Wiring Diagrams (3 of 4) for Toyota Supra 1998

List of elements for 3.0L Non-Turbo, Engine Performance Wiring Diagrams (3 of 4) for Toyota Supra 1998:

• (dash harn, right side of dash)
• (eng harn, right side of firewall)
• A/t indicator switch (integral to park/neutral position switch) (on transmission)
• C11
• C14
• Combination meter
• E12
• E26
• E26 (engine harn, left side of engine)
• E28
• Electronically controlled transmission pattern select switch
• G131 (front side of intake manifold)
• G200 (left kick panel)
• G203 (right kick panel)
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• I10
• I14
• I17
• I21 (dash harn, right side of dash)
• Junction block 1
• Left telltale light
• Malfunction indicator light
• Manu
• Manual
• Normal
• O/d main switch
• O/d off
• Obd fuse 7.5a
• Stop fuse 15a
• Stoplight switch (on brake pedal bracket)
• Sub heated oxygen sensor (bank 1 sensor 2) (in exhaust system)
• Sub heated oxygen sensor (bank 2 sensor 2) (in exhaust system)
• Vapor pressure sensor (left front corner of engine compt)

3.0L Non-Turbo, Engine Performance Wiring Diagrams (4 of 4) for Toyota Supra 1998

List of elements for 3.0L Non-Turbo, Engine Performance Wiring Diagrams (4 of 4) for Toyota Supra 1998:

• (behind left side of dash) data link connector 3
• (dash harn, right side of dash)
• (on left side of transmission) o/d direct clutch speed sensor
• (right kick panel)
• (right side of firewall) data link connector 1
• (unused pins not shown)
• +b2
• Acmg
• Air conditioning system
• Bat
• Batt
• Braid
• Ccs
• Cms
• Conn e12
• Conn e13
• Conn e14
• Conn e15
• Cruise control system
• E28
• Electronically controlled transmission solenoid (in transmission)
• Els1
• Engine control module (below right front footrest)
• Etcs fuse 15a
• Fpc
• G131 (front side of intake manifold)
• G200 (left kick panel)
• G203
• Hot at all times
• Htl2
• Htr2
• I11
• I17
• Igsw
• J/c 2 (right side of dash)
• Mrel
• Nco+
• Nco-
• Od2
• Oil
• Oxl2
• Oxr2
• Pnk
• Ptnk
• Red
• Relay block 2
• Sil
• Sln+
• Sln-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Spdm
• Speedometer
• Sta
• Sti-
• Stp
• Tpc
• Vehicle speed sensor 2 (left side of transmission)
• Vsv (vapor pressure sensor) (left front corner of engine compt)

3.0L Turbo, Engine Performance Wiring Diagrams (1 of 4) for Toyota Supra 1998

List of elements for 3.0L Turbo, Engine Performance Wiring Diagrams (1 of 4) for Toyota Supra 1998:

• (behind center of dash) diode (for idle-up)
• (eng harn, right side of firewall)
• (i/p harn, behind comb meter)
• (i/p harn, right end of dash)
• (i/p harn, right side of dash)
• (left rear of engine) g114
• (splice e11: eng harn, left side of eng block)
• (tachometer)
• A/c
• Abs
• Acc
• Acmg
• Air conditioning system
• Anti-lock brake system
• B10
• B11
• B12
• Batt
• Conn e10
• Conn e9
• Cruise control system
• Data link connector 2 (tdcl) (below dash, left of steering column)
• Data link connector 3 (below dash)
• E11
• E16
• Ect
• Efi+
• Efi-
• Els
• Engine control module (below right front footrest)
• Etc+
• Etc-
• Fpc
• Fuel injector resistor (left side of engine compartment)
• G1-
• G112 (left side of engine)
• Gnd
• Hot at all times
• Hot with defog on
• Hot with light control switch on
• I17
• I20
• Igc1
• Igc2
• Igc3
• Igc4
• Igc5
• Igc6
• Igf
• Ign fuse 7.5a
• Igniter (left side of engine compartment)
• Ignition coils (on top of engine)
• Ignition switch
• Igsw
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• Instrument cluster system
• J/b 1 (left kick panel)
• Lock
• M-rel
• Mir-htr fuse 10a
• Nco+
• Nco-
• Ne-
• Neo
• Noise filter (left side of engine compart- ment)
• Od1
• Od2
• Panel fuse 10a
• Pnk
• Red
• Sdl
• Shield
• Sln-
• Slt-
• Slu-
• Sp1
• Sp2+
• Sp2-
• Start
• Stp
• Taco
• Te1
• Vta1
• Vta2

3.0L Turbo, Engine Performance Wiring Diagrams (2 of 4) for Toyota Supra 1998

List of elements for 3.0L Turbo, Engine Performance Wiring Diagrams (2 of 4) for Toyota Supra 1998:

• (eng harn, center of dash)
• (eng harn, left rear of eng block)
• (eng harn, right side of firewall)
• (i/p harn, right end of dash)
• (i/p harn, right side of dash a/t, behind comb meter)
• (i/p harn, right side of dash)
• (right of dash)
• (right side of dash)
• A10
• A11
• A12
• A13
• B10
• B11
• C11
• Combination meter
• Cruise control system
• E12
• E14
• E16
• E17
• Electronic controlled pattern select switch (on center console)
• Electronic controlled transmission solenoid (on transmission)
• G200 (left kick panel)
• G203 (right kick panel)
• Gauge fuse 10a
• H13
• Hot at all times
• Hot in on or start
• I10
• I14
• I14 a/t i8 m/t
• I17
• I18
• I21
• J/b 1 (left kick panel)
• J/c 1 (behind left side of dash)
• Kick down switch (1998) (under left side of dash)
• Man
• Manual ind
• Norm
• O/d direct clutch speed sensor (on transmission)
• O/d main switch (on center console)
• O/d off ind
• Odo & trip
• Park/neutral position switch (on transmission)
• Pnk
• Red
• Right telltale light
• Shield
• Speedometer
• Stop fuse 15a
• Stop light switch (on brake pedal support)
• Vehicle speed sensor 1 (on transmission)
• Vehicle speed sensor 2 (on transmission)

3.0L Turbo, Engine Performance Wiring Diagrams (3 of 4) for Toyota Supra 1998

List of elements for 3.0L Turbo, Engine Performance Wiring Diagrams (3 of 4) for Toyota Supra 1998:

• (eng harn, forward of r/b 2)
• (eng harn, left side of eng block)
• (eng harn, next to r/b 2)
• (eng harn, right side of firewall) e16
• A/t
• A/t only
• Camshaft position sensor 1 (left side of cyl head)
• Camshaft position sensor 2 (left side of cyl head)
• Clutch start switch (m/t only) (above clutch pedal)
• Crankshaft position sensor (lower front of engine)
• Data link connector 1 (check connector) (right side of firewall)
• E12
• E13
• E14
• E16
• E17 a/t (eng harn, center of dash) (eng harn, right side of firewall) e16 m/t
• Efi 2 relay
• Efi main relay
• Efi no.1 fuse 30a
• Efi no.2 fuse 30a
• Fpc
• Fuel pump
• Fuel pump ecu (left rear of vehicle)
• Fuel pump/ fuel sender assembly
• G100 (front side of left fender)
• G114 (left rear of engine)
• G402 (left rear wheel well)
• Hot at all times
• Hot in start
• J/b 1 (left kick panel)
• J/c 2 (behind right side of dash)
• Knock sensor (on front side) (left side of engine)
• Knock sensor (on rear side) (left side of engine)
• Left telltale light
• M/t
• M/t only
• Malfunction ind
• P/n
• Park/neutral position switch (a/t only) (on transmission)
• R/b 2 (left side of engine compartment)
• Red
• Shield
• St fuse 7.5a
• Starting/charging system (starter relay)
• Te1

3.0L Turbo, Engine Performance Wiring Diagrams (4 of 4) for Toyota Supra 1998

List of elements for 3.0L Turbo, Engine Performance Wiring Diagrams (4 of 4) for Toyota Supra 1998:

• (eng harn, left rear of eng block)
• (eng harn, left side of eng block)
• (eng harn, next to r/b 2)
• (eng harn, upper front of eng block)
• (eng harn, upper front of engine block)
• (left rear of engine)
• (left side of engine) turbo pressure sensor
• (left side of engine)
• (on throttle body)
• (on transmission) a/t fluid temp sensor
• (right
• (right front
• (right front of engine) mass air flow meter
• (right rear
• (right side of firewall)
• (under left
• (under throttle body) sub throttle position sensor
• Anti-lock brakes system
• Conn e9
• E01
• E02
• E10
• E11
• E12
• E13
• E14
• E16
• E21
• Efif
• Egr
• Egr gas temp sensor
• Egr vsv (left side of engine)
• Engine control module (below right front footrest)
• Engine coolant temperature sensor (front of engine)
• Evap
• Evap vsv (left side of engine)
• Exhaust bypass
• Exhaust control
• Fail
• Fpu
• Fuel pressure up vsv (left side of engine)
• G114 (left rear of engine)
• Ht1
• Ht2
• I17
• Idl1
• Idl2
• Idle air control valve (left side of engine)
• Igf
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Intake air control
• Isc1
• Isc2
• Isc3
• Isc4
• Knk1
• Knk2
• Main heated oxygen sensor side of engine)
• Nsw
• Of engine)
• Oil
• Ox1
• Ox2
• Pim
• Pm1
• Pmc
• Pnk
• Red
• Sensor
• Shield
• Side of vehicle)
• Slt+
• Sta
• Sub heated oxygen
• Tha
• Thg
• Throttle position sensor
• Thw
• Vcc
• Vsv
• Vsv1
• Vsv2
• Vsv3
• Vta1
• Vta2
• Waste gate vsv (right front of engine)