ENGINE PERFORMANCE – Lexus SC 300 1995 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagrams (1 of 3) for Lexus SC 300 1995

List of elements for 3.0L, Engine Performance Wiring Diagrams (1 of 3) for Lexus SC 300 1995:

• pnk
• #10
• #20
• #30
• #40
• #50
• #60
• (a/t)
• (closed in park and neutral)
• (front side of left fender)
• (left
• (m/t)
• (on transmission)
• (rear side of right cylinder head)
• (right
• A/t
• A/t only
• Acc
• Acis
• Am1
• Am2
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• B31
• B32
• B33
• B34
• B35
• B36
• B37
• B38
• B39
• B40
• B41
• B42
• B43
• B44
• B45
• B46
• B47
• B48
• B49
• B50
• B51
• B52
• B53
• B54
• B55
• B56
• B57
• B58
• B59
• B60
• B61
• B62
• B63
• B64
• B65
• B66
• B67
• B68
• B69
• B70
• B71
• B72
• B73
• B74
• B75
• B76
• B77
• B78
• B79
• B80
• Clutch start
• Coil
• Data link conns. (schematic page 3)
• Distributor (top right of engine) g-
• E01
• E02
• E12
• E14
• Efi fuse 30a
• Efi main relay
• Egr
• Electronic controlled transmission solenoid (on
• Engine control module (under front end of center console)
• Engine)
• Evap
• Fpu
• Front of
• Fuel injectors
• Fuse block (left side of engine compartment)
• G100
• G112 (front side of intake manifold)
• G114
• Heated oxygen sensors (schematic page 3)
• Hot at all times
• Ht2
• Htr
• Idl
• Idl2
• Idle air control valve (top center of engine)
• Ig2
• Igf
• Ign fuse 7.5a
• Igniter (left side of engine compartment)
• Ignition
• Ignition switch
• Igt
• Instrument cluster system (tachometer)
• Isc1
• Isc2
• Isc3
• Isc4
• J/b 1 (left kick panel)
• Knk1
• Knk2
• Knock sensor 1 (left front of engine)
• Knock sensor 2 (left rear of engine)
• Lock
• Lock-up
• M/t
• Main fuse 60a
• Noise filter (right front of engine compt.)
• Nsw
• Ox1
• Ox2
• Oxygen sensors & heated oxygen sensors (schematic page 3)
• Park/neutral position switch (on transmission)
• R/b 2 engine compt.)
• Red
• Short connector (behind glove box)
• Slry
• Sp2+
• Sp2-
• St fuse 7.5a
• St1
• Sta
• Start
• Starter relay
• Starting/ charging system
• Switch (on clutch pedal bracket)
• Tach
• Tha
• Theft deterrent & door lock ecu (behind combination meter)
• Thg
• Thw
• Transmission)
• Vehicle speed sensor #2
• Vf1
• Vf2
• Vta1
• Vta2
• W/o trac ctrl
• W/o trac. ctrl.
• W/trac. ctrl.

3.0L, Engine Performance Wiring Diagrams (2 of 3) for Lexus SC 300 1995

List of elements for 3.0L, Engine Performance Wiring Diagrams (2 of 3) for Lexus SC 300 1995:

• (a/t only)
• (left front
• (under
• A/t indicator light
• A/t indicator switch (on trans- mission) (a/t only)
• A/t only
• A10
• A13
• A14
• A15
• A23
• Anti-lock brakes system (traction ecu)
• Ashtray)
• C16
• C17
• C18
• Combination meter
• Coolant
• D13
• E12
• Egr gas temperature sensor (center rear of engine compt.)
• Egr valve (left side of engine)
• Electronic controlled transmission pattern select switch (on console)
• Engine
• Evap valve (left rear of engine compt.)
• Fpc
• Fuel pressure up valve (left side of engine) (calif. models)
• Fuel pump
• Fuel pump ecu (under center console)
• G112 (front side of intake manifold)
• G302
• G308 (under left center pillar)
• Gauge fuse 10a
• H12
• Hot in on or start
• Intake control valve (left rear of engine compt.)
• Interior lights system
• J/b 1 (left
• J/b 3 (behind center of i/p)
• Kick panel)
• Left
• Malf. ind. lamp
• Norm
• O/d off ind.
• Of engine)
• Out
• Pnk
• Power ind.
• Pwr
• Red
• Sensor
• Solid state
• Speedometer
• Sub throttle position sensor (right center of engine)
• Temperature
• Throttle position sensor (top center of engine)
• Vehicle speed sensor #1 (on transmission)
• Voulme air flow meter (right front of engine compt.)
• Vss
• W/traction control

3.0L, Engine Performance Wiring Diagrams (3 of 3) for Lexus SC 300 1995

List of elements for 3.0L, Engine Performance Wiring Diagrams (3 of 3) for Lexus SC 300 1995:

• (a/t)
• (m/t)
• A/c
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• A33
• A34
• A35
• A36
• A37
• A38
• A39
• A40
• Acmg
• Air conditioning system
• Anti-lock brakes system (traction ecu)
• Batt
• Calif. models
• Conn
• Connector 1 (check connector) (left side of engine compt.)
• Cruise control system
• Data link
• Data link connector 2 (tdcl) (behind left side of i/p)
• Defogger system
• Diode (for idle-up)
• E11
• E12
• E13
• E14
• E18
• Els
• Engine control module (under front end of center console)
• Exterior lights system
• Fpc
• From engine control module / (schematic page 1)
• G112 (front side of intake manifold)
• G114 (rear side of right cylinder head)
• G200 (left kick panel)
• Hot at all times
• I10
• Igsw
• J/b 1 (left kick panel)
• J/b 3 (behind center of i/p)
• M-rel
• Main heated oxygen sensor (on front side) (right rear of engine)
• Main heated oxygen sensor (on left bank) (right front of engine)
• Main oxygen sensor (on front side) (right front of engine)
• Main oxygen sensor no.2 (on rear side) (right rear of engine)
• Neo
• O/d main switch (on console)
• Od1
• Od2
• Pin 28
• Pin 29
• Pin 47
• Pin 48
• Pin 72
• Pin 73
• Pnk
• Power steering pressure switch (left front of engine) (a/t only)
• R/b 4 (on j/b 1) (left kick panel)
• Sp1
• Stop fuse 15a
• Stop light switch (under left side of i/p)
• Stp
• Sub heated oxygen sensor (on left bank) (under center of vehicle)
• Te1
• Te2
• U.s. models
• Vto1
• Vto2