ENGINE PERFORMANCE – Lexus ES 300 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagrams, California (1 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, California (1 of 4) for Lexus ES 300 1998:

• (dash harn, right end of dash)
• (dash harn, right side of dash)
• (right side of surge tank)
• Acis
• Adj2
• Afl+
• Afl-
• Afr+
• Afr-
• Camshaft position sensor (left rear side of engine)
• Conn e7
• Conn e8
• Cooling fans system
• Crankshaft position sensor (left front side of engine)
• Cruise control ecu
• E01
• E02
• E03
• E04
• E05
• E2g
• Egls
• Egr
• Electronically controlled transmission solenoid (in transaxle)
• Engine control module (behind right side of dash)
• Evp
• G120
• G120 (rear side of surge tank)
• G120 (right side of surge tank)
• G22+
• Grd
• Hafl
• Hafr
• Idle air control valve (top rear rear of engine)
• Igc1
• Igc2
• Igc3
• Igf
• Igniter (near air intake duct)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Igt1
• Igt2
• Igt3
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• J/c 22 (behind right side of dash)
• J/c 24 (behind right side of dash)
• J/c 26 (behind right side of dash)
• Knkl
• Knkr
• Knock sensor 1 (top right side of engine)
• Knock sensor 2 (top left side of engine)
• Mass airflow meter (near air cleaner housing, on air duct)
• Nc2+
• Nc2-
• Nca
• Ne+
• Ne-
• Noise filter (near air cleaner housing)
• Pnk
• Power steering oil pressure switch (right rear of engine compt)
• Red
• Rsc
• Rso
• Sln+
• Sln-
• Tha
• Thg
• Thw
• Vehicle speed sensor (transmission) (on transaxle housing)
• Vta1

3.0L, Engine Performance Wiring Diagrams, California (2 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, California (2 of 4) for Lexus ES 300 1998:

• (behind right side of dash)
• (dash harn, right side of dash)
• (left side of dash)
• (lower left "b" pillar)
• (right side of surge tank) g120
• A/f htr fuse 25a
• A/f htr relay
• Acc
• Air fuel ratio sensor (bank 1 sensor 1) (rear right side of engine)
• Air fuel ratio sensor (bank 2 sensor 1) (rear left side of engine)
• Am2
• B j/c 29
• C10
• Cir opn relay
• Efi fuse 15a
• Efi relay
• Engine room junction block
• Engine room relay block
• Engine room relay block 2
• Fuel pump (in fuel tank)
• G108 (left radiator side support)
• G117 (rear side of surge tank)
• G308
• Heated oxygen sensor (bank 1 sensor 2) (in exhaust manifold, after twc)
• Hot at all times
• Ig2
• Ign fuse 5a
• Ignition switch
• Instrument panel junction block
• J/c 24 (behind right side of dash)
• J/c 25 (behind right side of dash)
• J/c 3 (behind right side of dash)
• J/c 31
• J/c 8
• J/c 9
• Lock
• Nca
• P/n
• Park/neutral position switch (on transaxle)
• Red
• St2
• Start
• Starter fuse 5a
• Starting/ charging system

3.0L, Engine Performance Wiring Diagrams, California (3 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, California (3 of 4) for Lexus ES 300 1998:

• (behind right side of dash)
• (dash harn, right end of dash)
• (dash harn, right side of dash)
• (left kick panel) g200
• A/c control assembly
• A/t indicator light switch (integral to park/ neutral position switch) (on transaxle)
• A13
• Absorber control ecu
• B10
• B12
• B14
• B15
• Braided
• C10
• Combination meter
• D13
• Egr gas temperature sensor (top right rear of engine)
• Egr valve position sensor (top right side of engine)
• Engine coolant temperature sensor (top front of engine)
• G200 (left kick panel)
• G206 (right instrument panel brace)
• Gauge fuse 10a
• H10
• Hot in on or start
• Ig+
• Instrument panel junction block
• J/c 16 (behind center of dash)
• J/c 17 (behind center of dash)
• J/c 23 (behind right side of dash)
• J/c 25 (behind right side of dash)
• J/c 28
• J/c 29
• J/c 29 c
• J/c 30 (behind right side of dash)
• J/c 4 (behind left side of dash)
• J/c 7 (behind left side of dash)
• Malf ind lamp
• O/d main switch
• O/d off ind
• Pnk
• Ptnk
• Red
• Speedometer
• Tacho- meter
• Throttle position sensor (on throttle body)
• Vapor pressure sensor (left side of firewall)
• Vehicle speed sensor (combination meter) (on transaxle housing)
• Vss
• Vsv (egr) (top rear of engine)
• Vsv (evap) (top front of engine)
• Vsv (intake air control) (center top of engine)
• Vsv (vapor pressure sensor) (near intake air duct)

3.0L, Engine Performance Wiring Diagrams, California (4 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, California (4 of 4) for Lexus ES 300 1998:

• (behind left side of dash)
• (behind right side of dash)
• (dash harn, left end of dash) i14
• (dash harn, right side of dash)
• A/c
• A/c control assembly
• Act
• Bat
• Batt
• Braided
• Code
• Conn e10
• Conn e11
• Conn e9
• Cruise control ecu
• Data link connector 1 (near right front corner of engine)
• Data link connector 3 (under left side of dash)
• E0m
• Efi+
• Efi-
• Els
• Els2
• Engine control module (behind right side of dash)
• G120 (rear side of surge tank)
• G120 (right side of surge tank)
• G202
• G206 (left instrument panel brace)
• Hot at all times
• Hot at all times
• Hot w/defogger relay energized
• Hot w/taillight relay energized
• Hts
• I11
• I5 (dash harn, right side of dash)
• Idlo
• Igsw
• Imld
• Instrument panel junction block
• J/c 1 (behind left side of dash)
• J/c 10 (behind left side of dash)
• J/c 18
• J/c 19
• J/c 24 (behind right side of dash)
• J/c 26 (behind right side of dash)
• J/c 27 (right side of dash)
• J/c 8
• J10
• J11
• Ksw
• Mirror- heater fuse 10a
• Mrel
• Neo
• Nsw
• Obd fuse 7.5a
• Od1
• Od2
• Oxs
• Ptnk
• Rxck
• Sil
• Spd
• Sta
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Stp
• Tach
• Tail fuse 10a
• Te1
• Thwo
• Tpc
• Traction control ecu
• Transponder key amplifier (behind left side of dash)
• Trc+
• Trc-
• Txct
• Unlock warning switch

3.0L, Engine Performance Wiring Diagrams, Except California (1 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, Except California (1 of 4) for Lexus ES 300 1998:

• (dash harn, right end of dash)
• (dash harn, right side of dash)
• (right side of surge tank)
• Acis
• Adj2
• Camshaft position sensor (left rear side of engine)
• Conn e7
• Conn e8
• Cooling fans system
• Crankshaft position sensor (left front side of engine)
• Cruise control ecu
• E01
• E02
• E03
• E2g
• Egls
• Egr
• Electronically controlled transmission solenoid (in transaxle)
• Engine control module (behind right side of dash)
• Evp
• G120
• G120 (rear side of surge tank)
• G120 (right side of surge tank)
• G22+
• Grd
• Htl
• Htr
• Idle air control valve (top rear rear of engine)
• Igc1
• Igc2
• Igc3
• Igf
• Igniter (near air intake duct)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Igt1
• Igt2
• Igt3
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• J/c 22 (behind right side of dash)
• J/c 24 (behind right side of dash)
• J/c 26 (behind right side of dash)
• Knkl
• Knkr
• Knock sensor 1 (top right side of engine)
• Knock sensor 2 (top left side of engine)
• Mass airflow meter (near air cleaner housing, on air duct)
• Nc2+
• Nc2-
• Nca
• Ne+
• Ne-
• Noise filter (near air cleaner housing)
• Oxl
• Oxr
• Pnk
• Power steering oil pressure switch (right rear of engine compt)
• Red
• Rsc
• Rso
• Sln+
• Sln-
• Tha
• Thg
• Thw
• Vehicle speed sensor (transmission) (on transaxle housing)
• Vta1

3.0L, Engine Performance Wiring Diagrams, Except California (2 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, Except California (2 of 4) for Lexus ES 300 1998:

• (behind right side of dash)
• (dash harn, right side of dash)
• (left side of dash)
• (right side of surge tank) g120
• (under left "b" pillar)
• Acc
• Am2
• B j/c 29
• C10
• Cir opn relay
• Efi fuse 15a
• Efi relay
• Engine room junction block
• Engine room relay block
• Fuel pump (in fuel tank)
• G108 (left radiator side support)
• G117 (rear side of surge tank)
• G308
• Heated oxygen sensor (bank 1 sensor 1) (in right exhaust manifold)
• Heated oxygen sensor (bank 1 sensor 2) (in exhaust manifold, after twc)
• Heated oxygen sensor (bank 2 sensor 1) (in left exhaust manifold)
• Hot at all times
• I5 (dash harn, right side of dash)
• Ig2
• Ign fuse 5a
• Ignition switch
• Instrument panel junction block
• J/c 24 (behind right side of dash)
• J/c 3 (behind right side of dash)
• J/c 32 (behind right side of dash)
• J/c 8
• J/c 9
• Lock
• Nca
• P/n
• Park/neutral position switch (on transaxle)
• Red
• St2
• Start
• Starter fuse 5a
• Starting/ charging system

3.0L, Engine Performance Wiring Diagrams, Except California (3 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, Except California (3 of 4) for Lexus ES 300 1998:

• (behind right side of dash)
• (dash harn, right end of dash)
• (dash harn, right side of dash)
• (left kick panel) g200
• A/c control assembly
• A/t indicator light switch (integral to park/ neutral position switch) (on transaxle)
• A13
• Absorber control ecu
• B10
• B12
• B14
• B15
• Braided
• C10
• Combination meter
• D13
• Egr gas temperature sensor (top right rear of engine)
• Egr valve position sensor (top right side of engine)
• Engine coolant temperature sensor (top front of engine)
• G200 (left kick panel)
• G206 (right instrument panel brace)
• Gauge fuse 10a
• H10
• Hot in on or start
• Ig+
• Instrument panel junction block
• J/c 16 (behind center of dash)
• J/c 17 (behind center of dash)
• J/c 23 (behind right side of dash)
• J/c 25 (behind right side of dash)
• J/c 28
• J/c 29
• J/c 29 c
• J/c 30 (behind right side of dash)
• J/c 4 (behind left side of dash)
• J/c 7 (behind left side of dash)
• Malf ind lamp
• O/d main switch
• O/d off ind
• Pnk
• Ptnk
• Red
• Speedometer
• Tacho- meter
• Throttle position sensor (on throttle body)
• Vapor pressure sensor (left side of firewall)
• Vehicle speed sensor (combination meter) (on transaxle housing)
• Vss
• Vsv (egr) (top rear of engine)
• Vsv (evap) (top front of engine)
• Vsv (intake air control) (center top of engine)
• Vsv (vapor pressure sensor) (near intake air duct)

3.0L, Engine Performance Wiring Diagrams, Except California (4 of 4) for Lexus ES 300 1998

List of elements for 3.0L, Engine Performance Wiring Diagrams, Except California (4 of 4) for Lexus ES 300 1998:

• (behind left side of dash)
• (behind right side of dash)
• (dash harn, left end of dash) i14
• (dash harn, right side of dash)
• A/c
• A/c control assembly
• Act
• Bat
• Batt
• Braided
• Code
• Conn e10
• Conn e11
• Conn e9
• Cruise control ecu
• Data link connector 1 (near right front corner of engine)
• Data link connector 3 (under left side of dash)
• E0m
• Efi+
• Efi-
• Els
• Els2
• Engine control module (behind right side of dash)
• G120 (rear side of surge tank)
• G120 (right side of surge tank)
• G202
• G206 (left instrument panel brace)
• Hot at all times
• Hot at all times
• Hot w/defogger relay energized
• Hot w/taillight relay energized
• Hts
• I11
• I5 (dash harn, right side of dash)
• Idlo
• Igsw
• Imld
• Instrument panel junction block
• J/c 1 (behind left side of dash)
• J/c 10 (behind left side of dash)
• J/c 18
• J/c 19
• J/c 24
• J/c 27 (right side of dash)
• J/c 8
• J10
• J11
• Ksw
• Mirror- heater fuse 10a
• Mrel
• Neo
• Nsw
• Obd fuse 7.5a
• Od1
• Od2
• Oxs
• Ptnk
• Rxck
• Sil
• Spd
• Sta
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Stp
• Tach
• Tail fuse 10a
• Te1
• Thwo
• Tpc
• Traction control ecu
• Transponder key amplifier (behind left side of dash)
• Trc+
• Trc-
• Txct
• Unlock warning switch