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Lexus LS400 1998-2000 (1UZ-FE VVT-i) → rusEFI Proteus (auto)

Lexus LS400 1998-2000 (1UZ-FE VVT-i) — rusEFI — Proteus
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-12

Before you start

Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.

Statusproposal · not yet verified: nobody has reported building and running this harness
Open errorsnone
Size of the job75 wires · 11 connectors · 0 part lines
ToolsCrimp and extraction tools for each terminal family (see Connectors) · wire strippers · multimeter · heat gun + heat-shrink
Order of work1. Check every part against the parts list. 2. Cut and label every wire (labels: Export → Wire labels). 3. Crimp and pin connector by connector, ticking the build checklist. 4. Run the bench test with nothing plugged in and the battery disconnected. 5. Only then connect the ECU and power up.

Build checklist

Tick each box as you go. Continuity: meter from end to end, expect under 1 Ω.

WireFromToGaugeColourCutLabelCrimp ACrimp BPin APin BContinuity
W1OEM-E15-16SP-14V-10.85☐☐☐☐☐☐☐
W2OEM-E15-7SP-14V-10.85☐☐☐☐☐☐☐
W3OEM-E15-8SP-14V-10.85☐☐☐☐☐☐☐
W4SP-14V-1PROTEUS-Black23-230.85☐☐☐☐☐☐☐
W5OEM-E13-17SP-GND-10.85☐☐☐☐☐☐☐
W6OEM-E14-21SP-GND-10.85☐☐☐☐☐☐☐
W7SP-GND-1PROTEUS-Black23-140.85☐☐☐☐☐☐☐
W8SP-GND-1PROTEUS-Black23-190.85☐☐☐☐☐☐☐
W9SP-GND-1PROTEUS-Black23-200.85☐☐☐☐☐☐☐
W10SP-GND-1PROTEUS-Black35-170.85☐☐☐☐☐☐☐
W11SP-GND-1PROTEUS-Black35-180.85☐☐☐☐☐☐☐
W12SP-GND-1PROTEUS-Black35-240.85☐☐☐☐☐☐☐
W13OEM-E13-18SP-0V-10.5☐☐☐☐☐☐☐
W14OEM-E13-19SP-0V-10.5☐☐☐☐☐☐☐
W15SP-0V-1PROTEUS-White35-10.5☐☐☐☐☐☐☐
W16SP-0V-1PROTEUS-White35-20.5☐☐☐☐☐☐☐
W17SP-0V-1PROTEUS-White35-230.5☐☐☐☐☐☐☐
W18SP-0V-1PROTEUS-White35-290.5☐☐☐☐☐☐☐
W19SP-0V-1PROTEUS-White35-30.5☐☐☐☐☐☐☐
W20SP-0V-1PROTEUS-White35-40.5☐☐☐☐☐☐☐
W21SP-0V-1PROTEUS-White35-50.5☐☐☐☐☐☐☐
W22SP-0V-1PROTEUS-White35-60.5☐☐☐☐☐☐☐
W23SP-0V-1PROTEUS-White35-70.5☐☐☐☐☐☐☐
W24SP-0V-1PROTEUS-White35-80.5☐☐☐☐☐☐☐
W25OEM-E13-2PROTEUS-White35-100.5☐☐☐☐☐☐☐
W26OEM-E14-22PROTEUS-Black23-130.5☐☐☐☐☐☐☐
W27OEM-E14-23PROTEUS-Black23-50.5☐☐☐☐☐☐☐
W28OEM-E14-10PROTEUS-Black23-10.5☐☐☐☐☐☐☐
W29OEM-E13-24PROTEUS-Black23-120.5☐☐☐☐☐☐☐
W30OEM-E13-16PROTEUS-Black23-40.5☐☐☐☐☐☐☐
W31OEM-E13-15PROTEUS-Black23-20.5☐☐☐☐☐☐☐
W32OEM-E13-23SP-0V-10.5☐☐☐☐☐☐☐
W33OEM-E14-18PROTEUS-White35-340.5☐☐☐☐☐☐☐
W34OEM-E14-17PROTEUS-White35-350.5☐☐☐☐☐☐☐
W35OEM-E14-11PROTEUS-Black35-350.5☐☐☐☐☐☐☐
W36OEM-E14-12PROTEUS-Black35-340.5☐☐☐☐☐☐☐
W37OEM-E14-13PROTEUS-Black35-220.5☐☐☐☐☐☐☐
W38OEM-E14-14PROTEUS-Black35-330.5☐☐☐☐☐☐☐
W39OEM-E14-15PROTEUS-Black35-320.5☐☐☐☐☐☐☐
W40OEM-E14-16PROTEUS-Black35-310.5☐☐☐☐☐☐☐
W41OEM-E14-25PROTEUS-Black35-300.5☐☐☐☐☐☐☐
W42OEM-E14-26PROTEUS-Black35-290.5☐☐☐☐☐☐☐
W43OEM-E13-5PROTEUS-Black35-30.5☐☐☐☐☐☐☐
W44OEM-E13-6PROTEUS-Black35-150.5☐☐☐☐☐☐☐
W45OEM-E14-1PROTEUS-Black35-40.5☐☐☐☐☐☐☐
W46OEM-E14-2PROTEUS-Black35-160.5☐☐☐☐☐☐☐
W47OEM-E14-3PROTEUS-Black35-50.5☐☐☐☐☐☐☐
W48OEM-E14-4PROTEUS-Black35-60.5☐☐☐☐☐☐☐
W49OEM-E14-5PROTEUS-Black35-70.5☐☐☐☐☐☐☐
W50OEM-E14-6PROTEUS-Black35-190.5☐☐☐☐☐☐☐
W51OEM-E14-7PROTEUS-Black23-70.5☐☐☐☐☐☐☐
W52OEM-E14-8PROTEUS-Black23-60.5☐☐☐☐☐☐☐
W53OEM-E15-9PROTEUS-Black23-180.5☐☐☐☐☐☐☐
W54OEM-E11-19PROTEUS-Black35-200.5☐☐☐☐☐☐☐
W55OEM-E14-20PROTEUS-Black35-90.5☐☐☐☐☐☐☐
W56OEM-E13-10PROTEUS-White35-130.5☐☐☐☐☐☐☐
W57OEM-E13-13PROTEUS-White35-240.5☐☐☐☐☐☐☐
W58OEM-E13-21PROTEUS-White35-140.5☐☐☐☐☐☐☐
W59OEM-E13-20PROTEUS-White35-250.5☐☐☐☐☐☐☐
W60OEM-E13-9PROTEUS-White35-150.5☐☐☐☐☐☐☐
W61OEM-E13-14PROTEUS-White35-200.5☐☐☐☐☐☐☐
W62OEM-E15-10PROTEUS-Black35-210.5☐☐☐☐☐☐☐
W63OEM-E15-5PROTEUS-Black35-100.5☐☐☐☐☐☐☐
W64OEM-E11-7PROTEUS-Black35-110.5☐☐☐☐☐☐☐
W65OEM-E11-8PROTEUS-Black35-120.5☐☐☐☐☐☐☐
W66OEM-E13-3PROTEUS-Black35-230.5☐☐☐☐☐☐☐
W67OEM-E13-4PROTEUS-Black35-80.5☐☐☐☐☐☐☐
W68OEM-E11-18PROTEUS-White35-260.5☐☐☐☐☐☐☐
W69OEM-E11-27PROTEUS-White35-160.5☐☐☐☐☐☐☐
W70OEM-E13-11PROTEUS-White35-270.5☐☐☐☐☐☐☐
W71OEM-E13-12PROTEUS-White35-170.5☐☐☐☐☐☐☐
W72OEM-E13-22PROTEUS-White35-300.5☐☐☐☐☐☐☐
W73OEM-E14-27PROTEUS-Black23-100.5☐☐☐☐☐☐☐
W74OEM-E14-28PROTEUS-Black23-30.5☐☐☐☐☐☐☐
W75OEM-E11-17PROTEUS-Black23-90.5☐☐☐☐☐☐☐

Bench test (before first power-up)

Battery disconnected, ECU and every sensor unplugged. Meter on resistance. Each pair below must read open (OL): a reading means a pinched wire, a stray strand or a mis-pinned cavity. Then check continuity of every wire (last column of the build checklist).

#Probe AProbe BExpectWhyReading
1PROTEUS-Black23-14PROTEUS-Black23-23open (OL)power ground must not touch +12 V supply
2PROTEUS-Black23-14PROTEUS-White35-10open (OL)power ground must not touch 5 V sensor reference
3PROTEUS-White35-1PROTEUS-Black23-23open (OL)sensor ground must not touch +12 V supply
4PROTEUS-White35-1PROTEUS-White35-10open (OL)sensor ground must not touch 5 V sensor reference
5PROTEUS-White35-10PROTEUS-Black23-23open (OL)5 V sensor reference must not touch +12 V supply

If any reading doesn't match, stop and get help before powering up.

Revisions

RevLabelByDate
No revisions yet.

Schematic

OEM-E11OEM-E12OEM-E13OEM-E14OEM-E15PROTEUS-Black23PROTEUS-Black35PROTEUS-White35SP-0VSP-14VSP-GND

Connectors

OEM-E11

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
17Starter signal (STA)—W75—0.5PROTEUS-Black23-9———
18O2 sensor signal (bank unconfirmed)—W68—0.5PROTEUS-White35-26———
19VVT oil-control valve RH (OCR+)—W54—0.5PROTEUS-Black35-20———
27O2 sensor signal (bank unconfirmed)—W69—0.5PROTEUS-White35-16———
28VVT oil-control valve RH (OCR−)————————
5Diagnostic test (TC)————————
7O2 sensor heater (bank unconfirmed)—W64—0.5PROTEUS-Black35-11———
8O2 sensor heater (bank unconfirmed)—W65—0.5PROTEUS-Black35-12———

OEM-E12

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
12Throttle magnetic clutch + (CL+)————————

OEM-E13

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
10MAF signal (VG)—W56—0.5PROTEUS-White35-13———
11O2 sensor signal (bank unconfirmed)—W70—0.5PROTEUS-White35-27———
12O2 sensor signal (bank unconfirmed)—W71—0.5PROTEUS-White35-17———
13Throttle position sensor 1 (VTA)—W57—0.5PROTEUS-White35-24———
14Engine coolant temp (THW)—W61—0.5PROTEUS-White35-20———
15VVT position sensor RH (VVR+)—W31—0.5PROTEUS-Black23-2———
16VVT position sensor LH (VVL+)—W30—0.5PROTEUS-Black23-4———
17ECU ground (E1)—W5—0.85SP-GND-1———
18Sensor ground (E2)—W13—0.5SP-0V-1———
19MAF ground (EVG)—W14—0.5SP-0V-1———
2+5V sensor reference (VC)—W25—0.5PROTEUS-White35-10———
20Throttle position sensor 2 (VTA2)—W59—0.5PROTEUS-White35-25———
21Accelerator pedal position 1 (VPA)—W58—0.5PROTEUS-White35-14———
22Intake air temp (THA)—W72—0.5PROTEUS-White35-30———
23VVT position sensor RH (VVR−)—W32—0.5SP-0V-1———
24VVT position sensor LH (VVL−)—W29—0.5PROTEUS-Black23-12———
3O2 sensor heater (bank unconfirmed)—W66—0.5PROTEUS-Black35-23———
4O2 sensor heater (bank unconfirmed)—W67—0.5PROTEUS-Black35-8———
5Injector 1 (cyl 1)—W43—0.5PROTEUS-Black35-3———
6Injector 2 (cyl 2)—W44—0.5PROTEUS-Black35-15———
8Throttle magnetic clutch − (CL−)————————
9Accelerator pedal position 2 (VPA2)—W60—0.5PROTEUS-White35-15———

OEM-E14

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Injector 3 (cyl 3)—W45—0.5PROTEUS-Black35-4———
10Camshaft position sensor (G2)—W28—0.5PROTEUS-Black23-1———
11Ignition coil 1 (IGT1)—W35—0.5PROTEUS-Black35-35———
12Ignition coil 2 (IGT2)—W36—0.5PROTEUS-Black35-34———
13Ignition coil 3 (IGT3)—W37—0.5PROTEUS-Black35-22———
14Ignition coil 4 (IGT4)—W38—0.5PROTEUS-Black35-33———
15Ignition coil 5 (IGT5)—W39—0.5PROTEUS-Black35-32———
16Ignition coil 6 (IGT6)—W40—0.5PROTEUS-Black35-31———
17Knock sensor RH (KNKR)—W34—0.5PROTEUS-White35-35———
18Knock sensor LH (KNKL)—W33—0.5PROTEUS-White35-34———
19VVT oil-control valve LH (OCV−)————————
2Injector 4 (cyl 4)—W46—0.5PROTEUS-Black35-16———
20VVT oil-control valve LH (OCV+)—W55—0.5PROTEUS-Black35-9———
21Power/injector ground (E01)—W6—0.85SP-GND-1———
22Crank position sensor (NE−)—W26—0.5PROTEUS-Black23-13———
23Crank position sensor (NE+)—W27—0.5PROTEUS-Black23-5———
25Ignition coil 7 (IGT7)—W41—0.5PROTEUS-Black35-30———
26Ignition coil 8 (IGT8)—W42—0.5PROTEUS-Black35-29———
27Ignition confirmation 1 (IGF1)—W73—0.5PROTEUS-Black23-10———
28Ignition confirmation 2 (IGF2)—W74—0.5PROTEUS-Black23-3———
29ACIS induction VSV————————
3Injector 5 (cyl 5)—W47—0.5PROTEUS-Black35-5———
4Injector 6 (cyl 6)—W48—0.5PROTEUS-Black35-6———
5Injector 7 (cyl 7)—W49—0.5PROTEUS-Black35-7———
6Injector 8 (cyl 8)—W50—0.5PROTEUS-Black35-19———
7Throttle motor − (M−)—W51—0.5PROTEUS-Black23-7———
8Throttle motor + (M+)—W52—0.5PROTEUS-Black23-6———

OEM-E15

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Battery constant (+12V)————————
10EFI main relay control (MREL)—W62—0.5PROTEUS-Black35-21———
11OBD-II / DLC3 data (SIL)————————
16ECM power (EFI relay +B)—W1—0.85SP-14V-1———
5Fuel pump relay control (FC)—W63—0.5PROTEUS-Black35-10———
6Check engine light (W)————————
7ECM power feed (+BM)—W2—0.85SP-14V-1———
8ECM power (EFI relay +B1)—W3—0.85SP-14V-1———
9Ignition switch (+12V)—W53—0.5PROTEUS-Black23-18———

PROTEUS-Black23

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Digital 2—W28—0.5OEM-E14-10———
10Digital 1—W73—0.5OEM-E14-27———
11Digital 6————————
12VR 2 negative—W29—0.5OEM-E13-24———
13VR 1 negative—W26—0.5OEM-E14-22———
14Power ground—W7—0.85SP-GND-1———
15ETB 2 positive————————
16CAN 1 Low————————
17CAN 1 High————————
18Ignition switch in—W53—0.5OEM-E15-9———
19Power ground—W8—0.85SP-GND-1———
2Digital 3—W31—0.5OEM-E13-15———
20Power ground—W9—0.85SP-GND-1———
21CAN 2 Low————————
22CAN 2 High————————
23Main relay feed—W4—0.85SP-14V-1———
3Digital 4—W74—0.5OEM-E14-28———
4VR 2 positive—W30—0.5OEM-E13-16———
5VR 1 positive—W27—0.5OEM-E14-23———
6ETB 1 negative—W52—0.5OEM-E14-8———
7ETB 1 positive—W51—0.5OEM-E14-7———
8ETB 2 negative————————
9Digital 5—W75—0.5OEM-E11-17———

PROTEUS-Black35

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Highside 2————————
10Lowside 13—W63—0.5OEM-E15-5———
11Lowside 14—W64—0.5OEM-E11-7———
12Lowside 15—W65—0.5OEM-E11-8———
13Highside 3————————
14Highside 4————————
15Injector 2—W44—0.5OEM-E13-6———
16Injector 4—W46—0.5OEM-E14-2———
17Power ground—W10—0.85SP-GND-1———
18Power ground—W11—0.85SP-GND-1———
19Injector 8—W50—0.5OEM-E14-6———
2Highside 1————————
20Lowside 10—W54—0.5OEM-E11-19———
21Lowside 12—W62—0.5OEM-E15-10———
22Ignition 3—W37—0.5OEM-E14-13———
23Lowside 16—W66—0.5OEM-E13-3———
24Power ground—W12—0.85SP-GND-1———
25Ignition 12————————
26Ignition 11————————
27Ignition 10————————
28Ignition 9————————
29Ignition 8—W42—0.5OEM-E14-26———
3Injector 1—W43—0.5OEM-E13-5———
30Ignition 7—W41—0.5OEM-E14-25———
31Ignition 6—W40—0.5OEM-E14-16———
32Ignition 5—W39—0.5OEM-E14-15———
33Ignition 4—W38—0.5OEM-E14-14———
34Ignition 2—W36—0.5OEM-E14-12———
35Ignition 1—W35—0.5OEM-E14-11———
4Injector 3—W45—0.5OEM-E14-1———
5Injector 5—W47—0.5OEM-E14-3———
6Injector 6—W48—0.5OEM-E14-4———
7Injector 7—W49—0.5OEM-E14-5———
8Injector 9—W67—0.5OEM-E13-4———
9Lowside 11—W55—0.5OEM-E14-20———

PROTEUS-White35

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Sensor ground—W15—0.5SP-0V-1———
105V supply #2—W25—0.5OEM-E13-2———
1112V sensor supply————————
1212V sensor supply————————
13Analog Volt 1—W56—0.5OEM-E13-10———
14Analog Volt 3—W58—0.5OEM-E13-21———
15Analog Volt 5—W60—0.5OEM-E13-9———
16Analog Volt 7—W69—0.5OEM-E11-27———
17Analog Volt 9—W71—0.5OEM-E13-12———
18Analog Volt 11————————
19Thermistor 1————————
2Sensor ground—W16—0.5SP-0V-1———
20Coolant temp (CLT)—W61—0.5OEM-E13-14———
215V supply #1————————
225V supply #2————————
23Sensor ground—W17—0.5SP-0V-1———
24Analog Volt 2—W57—0.5OEM-E13-13———
25Analog Volt 4—W59—0.5OEM-E13-20———
26Analog Volt 6—W68—0.5OEM-E11-18———
27Analog Volt 8—W70—0.5OEM-E13-11———
28Analog Volt 10————————
29Sensor ground—W18—0.5SP-0V-1———
3Sensor ground—W19—0.5SP-0V-1———
30Intake air temp (IAT)—W72—0.5OEM-E13-22———
31Thermistor 4————————
325V supply #1————————
335V supply #2————————
34Knock 1—W33—0.5OEM-E14-18———
35Knock 2—W34—0.5OEM-E14-17———
4Sensor ground—W20—0.5SP-0V-1———
5Sensor ground—W21—0.5SP-0V-1———
6Sensor ground—W22—0.5SP-0V-1———
7Sensor ground—W23—0.5SP-0V-1———
8Sensor ground—W24—0.5SP-0V-1———
95V supply #1————————

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W13—0.5OEM-E13-18———
1——W14—0.5OEM-E13-19———
1——W15—0.5PROTEUS-White35-1———
1——W16—0.5PROTEUS-White35-2———
1——W17—0.5PROTEUS-White35-23———
1——W18—0.5PROTEUS-White35-29———
1——W19—0.5PROTEUS-White35-3———
1——W20—0.5PROTEUS-White35-4———
1——W21—0.5PROTEUS-White35-5———
1——W22—0.5PROTEUS-White35-6———
1——W23—0.5PROTEUS-White35-7———
1——W24—0.5PROTEUS-White35-8———
1——W32—0.5OEM-E13-23———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-E15-16———
1——W2—0.85OEM-E15-7———
1——W3—0.85OEM-E15-8———
1——W4—0.85PROTEUS-Black23-23———

SP-GND

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W5—0.85OEM-E13-17———
1——W6—0.85OEM-E14-21———
1——W7—0.85PROTEUS-Black23-14———
1——W8—0.85PROTEUS-Black23-19———
1——W9—0.85PROTEUS-Black23-20———
1——W10—0.85PROTEUS-Black35-17———
1——W11—0.85PROTEUS-Black35-18———
1——W12—0.85PROTEUS-Black35-24———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-E11-17Starter signal (STA)digital_inPROTEUS-Black23-9Digital 5digital_incorroborated
OEM-E11-18O2 sensor signal (bank unconfirmed)lambda_nb_inPROTEUS-White35-26Analog Volt 6analog_incorroborated
OEM-E11-19VVT oil-control valve RH (OCR+)low_side_outPROTEUS-Black35-20Lowside 10low_side_outcorroborated
OEM-E11-27O2 sensor signal (bank unconfirmed)lambda_nb_inPROTEUS-White35-16Analog Volt 7analog_incorroborated
OEM-E11-28VVT oil-control valve RH (OCR−)low_side_out———corroborated
OEM-E11-5Diagnostic test (TC)serial———corroborated
OEM-E11-7O2 sensor heater (bank unconfirmed)low_side_outPROTEUS-Black35-11Lowside 14low_side_outcorroborated
OEM-E11-8O2 sensor heater (bank unconfirmed)low_side_outPROTEUS-Black35-12Lowside 15low_side_outcorroborated
OEM-E12-12Throttle magnetic clutch + (CL+)low_side_out———corroborated
OEM-E13-10MAF signal (VG)analog_inPROTEUS-White35-13Analog Volt 1analog_incorroborated
OEM-E13-11O2 sensor signal (bank unconfirmed)lambda_nb_inPROTEUS-White35-27Analog Volt 8analog_incorroborated
OEM-E13-12O2 sensor signal (bank unconfirmed)lambda_nb_inPROTEUS-White35-17Analog Volt 9analog_incorroborated
OEM-E13-13Throttle position sensor 1 (VTA)analog_inPROTEUS-White35-24Analog Volt 2analog_incorroborated
OEM-E13-14Engine coolant temp (THW)temp_inPROTEUS-White35-20Coolant temp (CLT)temp_incorroborated
OEM-E13-15VVT position sensor RH (VVR+)trigger_inPROTEUS-Black23-2Digital 3digital_incorroborated
OEM-E13-16VVT position sensor LH (VVL+)trigger_inPROTEUS-Black23-4VR 2 positivetrigger_incorroborated
OEM-E13-17ECU ground (E1)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-E13-18Sensor ground (E2)sensor_groundPROTEUS-White35-1 + PROTEUS-White35-2 + PROTEUS-White35-23 + PROTEUS-White35-29 + PROTEUS-White35-3 + PROTEUS-White35-4 + PROTEUS-White35-5 + PROTEUS-White35-6 + PROTEUS-White35-7 + PROTEUS-White35-8Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor groundsensor_groundcorroborated
OEM-E13-19MAF ground (EVG)sensor_groundPROTEUS-White35-1 + PROTEUS-White35-2 + PROTEUS-White35-23 + PROTEUS-White35-29 + PROTEUS-White35-3 + PROTEUS-White35-4 + PROTEUS-White35-5 + PROTEUS-White35-6 + PROTEUS-White35-7 + PROTEUS-White35-8Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor groundsensor_groundcorroborated
OEM-E13-2+5V sensor reference (VC)vrefPROTEUS-White35-105V supply #2vrefcorroborated
OEM-E13-20Throttle position sensor 2 (VTA2)analog_inPROTEUS-White35-25Analog Volt 4analog_incorroborated
OEM-E13-21Accelerator pedal position 1 (VPA)analog_inPROTEUS-White35-14Analog Volt 3analog_incorroborated
OEM-E13-22Intake air temp (THA)temp_inPROTEUS-White35-30Intake air temp (IAT)temp_incorroborated
OEM-E13-23VVT position sensor RH (VVR−)trigger_inPROTEUS-White35-1 + PROTEUS-White35-2 + PROTEUS-White35-23 + PROTEUS-White35-29 + PROTEUS-White35-3 + PROTEUS-White35-4 + PROTEUS-White35-5 + PROTEUS-White35-6 + PROTEUS-White35-7 + PROTEUS-White35-8Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor groundsensor_groundcorroborated
OEM-E13-24VVT position sensor LH (VVL−)trigger_inPROTEUS-Black23-12VR 2 negativetrigger_incorroborated
OEM-E13-3O2 sensor heater (bank unconfirmed)low_side_outPROTEUS-Black35-23Lowside 16low_side_outcorroborated
OEM-E13-4O2 sensor heater (bank unconfirmed)low_side_outPROTEUS-Black35-8Injector 9injector_outcorroborated
OEM-E13-5Injector 1 (cyl 1)injector_outPROTEUS-Black35-3Injector 1injector_outcorroborated
OEM-E13-6Injector 2 (cyl 2)injector_outPROTEUS-Black35-15Injector 2injector_outcorroborated
OEM-E13-8Throttle magnetic clutch − (CL−)low_side_out———corroborated
OEM-E13-9Accelerator pedal position 2 (VPA2)analog_inPROTEUS-White35-15Analog Volt 5analog_incorroborated
OEM-E14-1Injector 3 (cyl 3)injector_outPROTEUS-Black35-4Injector 3injector_outcorroborated
OEM-E14-10Camshaft position sensor (G2)trigger_inPROTEUS-Black23-1Digital 2trigger_incorroborated
OEM-E14-11Ignition coil 1 (IGT1)ignition_outPROTEUS-Black35-35Ignition 1ignition_outcorroborated
OEM-E14-12Ignition coil 2 (IGT2)ignition_outPROTEUS-Black35-34Ignition 2ignition_outcorroborated
OEM-E14-13Ignition coil 3 (IGT3)ignition_outPROTEUS-Black35-22Ignition 3ignition_outcorroborated
OEM-E14-14Ignition coil 4 (IGT4)ignition_outPROTEUS-Black35-33Ignition 4ignition_outcorroborated
OEM-E14-15Ignition coil 5 (IGT5)ignition_outPROTEUS-Black35-32Ignition 5ignition_outcorroborated
OEM-E14-16Ignition coil 6 (IGT6)ignition_outPROTEUS-Black35-31Ignition 6ignition_outcorroborated
OEM-E14-17Knock sensor RH (KNKR)knock_inPROTEUS-White35-35Knock 2knock_incorroborated
OEM-E14-18Knock sensor LH (KNKL)knock_inPROTEUS-White35-34Knock 1knock_incorroborated
OEM-E14-19VVT oil-control valve LH (OCV−)low_side_out———corroborated
OEM-E14-2Injector 4 (cyl 4)injector_outPROTEUS-Black35-16Injector 4injector_outcorroborated
OEM-E14-20VVT oil-control valve LH (OCV+)low_side_outPROTEUS-Black35-9Lowside 11low_side_outcorroborated
OEM-E14-21Power/injector ground (E01)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-E14-22Crank position sensor (NE−)trigger_inPROTEUS-Black23-13VR 1 negativetrigger_incorroborated
OEM-E14-23Crank position sensor (NE+)trigger_inPROTEUS-Black23-5VR 1 positivetrigger_incorroborated
OEM-E14-25Ignition coil 7 (IGT7)ignition_outPROTEUS-Black35-30Ignition 7ignition_outcorroborated
OEM-E14-26Ignition coil 8 (IGT8)ignition_outPROTEUS-Black35-29Ignition 8ignition_outcorroborated
OEM-E14-27Ignition confirmation 1 (IGF1)digital_inPROTEUS-Black23-10Digital 1digital_incorroborated
OEM-E14-28Ignition confirmation 2 (IGF2)digital_inPROTEUS-Black23-3Digital 4digital_incorroborated
OEM-E14-29ACIS induction VSVlow_side_out———corroborated
OEM-E14-3Injector 5 (cyl 5)injector_outPROTEUS-Black35-5Injector 5injector_outcorroborated
OEM-E14-4Injector 6 (cyl 6)injector_outPROTEUS-Black35-6Injector 6injector_outcorroborated
OEM-E14-5Injector 7 (cyl 7)injector_outPROTEUS-Black35-7Injector 7injector_outcorroborated
OEM-E14-6Injector 8 (cyl 8)injector_outPROTEUS-Black35-19Injector 8injector_outcorroborated
OEM-E14-7Throttle motor − (M−)hbridge_outPROTEUS-Black23-7ETB 1 positivehbridge_outcorroborated
OEM-E14-8Throttle motor + (M+)hbridge_outPROTEUS-Black23-6ETB 1 negativehbridge_outcorroborated
OEM-E15-1Battery constant (+12V)power_in———corroborated
OEM-E15-10EFI main relay control (MREL)low_side_outPROTEUS-Black35-21Lowside 12low_side_outcorroborated
OEM-E15-11OBD-II / DLC3 data (SIL)serial———corroborated
OEM-E15-16ECM power (EFI relay +B)power_inPROTEUS-Black23-23Main relay feedpower_incorroborated
OEM-E15-5Fuel pump relay control (FC)low_side_outPROTEUS-Black35-10Lowside 13low_side_outcorroborated
OEM-E15-6Check engine light (W)low_side_out———corroborated
OEM-E15-7ECM power feed (+BM)power_inPROTEUS-Black23-23Main relay feedpower_incorroborated
OEM-E15-8ECM power (EFI relay +B1)power_inPROTEUS-Black23-23Main relay feedpower_incorroborated
OEM-E15-9Ignition switch (+12V)digital_inPROTEUS-Black23-18Ignition switch indigital_incorroborated

Cut list

WireFromToGauge (mm²)ColourLengthSignalIdent
W1OEM-E15-16SP-14V-10.85no routeECM power (EFI relay +B)—
W2OEM-E15-7SP-14V-10.85no routeECM power feed (+BM)—
W3OEM-E15-8SP-14V-10.85no routeECM power (EFI relay +B1)—
W4SP-14V-1PROTEUS-Black23-230.85no routeMain relay feed—
W5OEM-E13-17SP-GND-10.85no routeECU ground (E1)—
W6OEM-E14-21SP-GND-10.85no routePower/injector ground (E01)—
W7SP-GND-1PROTEUS-Black23-140.85no routePower ground—
W8SP-GND-1PROTEUS-Black23-190.85no routePower ground—
W9SP-GND-1PROTEUS-Black23-200.85no routePower ground—
W10SP-GND-1PROTEUS-Black35-170.85no routePower ground—
W11SP-GND-1PROTEUS-Black35-180.85no routePower ground—
W12SP-GND-1PROTEUS-Black35-240.85no routePower ground—
W13OEM-E13-18SP-0V-10.5no routeSensor ground (E2)—
W14OEM-E13-19SP-0V-10.5no routeMAF ground (EVG)—
W15SP-0V-1PROTEUS-White35-10.5no routeSensor ground—
W16SP-0V-1PROTEUS-White35-20.5no routeSensor ground—
W17SP-0V-1PROTEUS-White35-230.5no routeSensor ground—
W18SP-0V-1PROTEUS-White35-290.5no routeSensor ground—
W19SP-0V-1PROTEUS-White35-30.5no routeSensor ground—
W20SP-0V-1PROTEUS-White35-40.5no routeSensor ground—
W21SP-0V-1PROTEUS-White35-50.5no routeSensor ground—
W22SP-0V-1PROTEUS-White35-60.5no routeSensor ground—
W23SP-0V-1PROTEUS-White35-70.5no routeSensor ground—
W24SP-0V-1PROTEUS-White35-80.5no routeSensor ground—
W25OEM-E13-2PROTEUS-White35-100.5no route+5V sensor reference (VC)—
W26OEM-E14-22PROTEUS-Black23-130.5no routeCrank position sensor (NE−)—
W27OEM-E14-23PROTEUS-Black23-50.5no routeCrank position sensor (NE+)—
W28OEM-E14-10PROTEUS-Black23-10.5no routeCamshaft position sensor (G2)—
W29OEM-E13-24PROTEUS-Black23-120.5no routeVVT position sensor LH (VVL−)—
W30OEM-E13-16PROTEUS-Black23-40.5no routeVVT position sensor LH (VVL+)—
W31OEM-E13-15PROTEUS-Black23-20.5no routeVVT position sensor RH (VVR+)—
W32OEM-E13-23SP-0V-10.5no routeVVT position sensor RH (VVR−)—
W33OEM-E14-18PROTEUS-White35-340.5no routeKnock sensor LH (KNKL)—
W34OEM-E14-17PROTEUS-White35-350.5no routeKnock sensor RH (KNKR)—
W35OEM-E14-11PROTEUS-Black35-350.5no routeIgnition coil 1 (IGT1)—
W36OEM-E14-12PROTEUS-Black35-340.5no routeIgnition coil 2 (IGT2)—
W37OEM-E14-13PROTEUS-Black35-220.5no routeIgnition coil 3 (IGT3)—
W38OEM-E14-14PROTEUS-Black35-330.5no routeIgnition coil 4 (IGT4)—
W39OEM-E14-15PROTEUS-Black35-320.5no routeIgnition coil 5 (IGT5)—
W40OEM-E14-16PROTEUS-Black35-310.5no routeIgnition coil 6 (IGT6)—
W41OEM-E14-25PROTEUS-Black35-300.5no routeIgnition coil 7 (IGT7)—
W42OEM-E14-26PROTEUS-Black35-290.5no routeIgnition coil 8 (IGT8)—
W43OEM-E13-5PROTEUS-Black35-30.5no routeInjector 1 (cyl 1)—
W44OEM-E13-6PROTEUS-Black35-150.5no routeInjector 2 (cyl 2)—
W45OEM-E14-1PROTEUS-Black35-40.5no routeInjector 3 (cyl 3)—
W46OEM-E14-2PROTEUS-Black35-160.5no routeInjector 4 (cyl 4)—
W47OEM-E14-3PROTEUS-Black35-50.5no routeInjector 5 (cyl 5)—
W48OEM-E14-4PROTEUS-Black35-60.5no routeInjector 6 (cyl 6)—
W49OEM-E14-5PROTEUS-Black35-70.5no routeInjector 7 (cyl 7)—
W50OEM-E14-6PROTEUS-Black35-190.5no routeInjector 8 (cyl 8)—
W51OEM-E14-7PROTEUS-Black23-70.5no routeThrottle motor − (M−)—
W52OEM-E14-8PROTEUS-Black23-60.5no routeThrottle motor + (M+)—
W53OEM-E15-9PROTEUS-Black23-180.5no routeIgnition switch (+12V)—
W54OEM-E11-19PROTEUS-Black35-200.5no routeVVT oil-control valve RH (OCR+)—
W55OEM-E14-20PROTEUS-Black35-90.5no routeVVT oil-control valve LH (OCV+)—
W56OEM-E13-10PROTEUS-White35-130.5no routeMAF signal (VG)—
W57OEM-E13-13PROTEUS-White35-240.5no routeThrottle position sensor 1 (VTA)—
W58OEM-E13-21PROTEUS-White35-140.5no routeAccelerator pedal position 1 (VPA)—
W59OEM-E13-20PROTEUS-White35-250.5no routeThrottle position sensor 2 (VTA2)—
W60OEM-E13-9PROTEUS-White35-150.5no routeAccelerator pedal position 2 (VPA2)—
W61OEM-E13-14PROTEUS-White35-200.5no routeEngine coolant temp (THW)—
W62OEM-E15-10PROTEUS-Black35-210.5no routeEFI main relay control (MREL)—
W63OEM-E15-5PROTEUS-Black35-100.5no routeFuel pump relay control (FC)—
W64OEM-E11-7PROTEUS-Black35-110.5no routeO2 sensor heater (bank unconfirmed)—
W65OEM-E11-8PROTEUS-Black35-120.5no routeO2 sensor heater (bank unconfirmed)—
W66OEM-E13-3PROTEUS-Black35-230.5no routeO2 sensor heater (bank unconfirmed)—
W67OEM-E13-4PROTEUS-Black35-80.5no routeO2 sensor heater (bank unconfirmed)—
W68OEM-E11-18PROTEUS-White35-260.5no routeO2 sensor signal (bank unconfirmed)—
W69OEM-E11-27PROTEUS-White35-160.5no routeO2 sensor signal (bank unconfirmed)—
W70OEM-E13-11PROTEUS-White35-270.5no routeO2 sensor signal (bank unconfirmed)—
W71OEM-E13-12PROTEUS-White35-170.5no routeO2 sensor signal (bank unconfirmed)—
W72OEM-E13-22PROTEUS-White35-300.5no routeIntake air temp (THA)—
W73OEM-E14-27PROTEUS-Black23-100.5no routeIgnition confirmation 1 (IGF1)—
W74OEM-E14-28PROTEUS-Black23-30.5no routeIgnition confirmation 2 (IGF2)—
W75OEM-E11-17PROTEUS-Black23-90.5no routeStarter signal (STA)—

Bill of materials

CategoryPart numberManufacturerDescriptionQtyUnit

ECU setup sheet

RoleEngine refEngine signalSensorECU pointECU functionECU classSetup flag
No configured channels.

Findings

Open (6)

SeverityCodeSubjectMessage
warnDBW_MOTOR_CURRENTPROTEUS-Black23-6Cannot confirm Proteus can drive the throttle motor: neither the motor stall current (OEM-E14-8) nor the peak rating of PROTEUS-Black23-6 "ETB 1 negative" is known.
warnDBW_MOTOR_CURRENTPROTEUS-Black23-7Cannot confirm Proteus can drive the throttle motor: neither the motor stall current (OEM-E14-7) nor the peak rating of PROTEUS-Black23-7 "ETB 1 positive" is known.
warnNET_FAMILYOEM-E13-15 ↔ PROTEUS-Black23-2OEM-E13-15 "VVT position sensor RH (VVR+)" [trigger_in] is wired to PROTEUS-Black23-2 "Digital 3" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot.
infoNET_FAMILYOEM-E13-18 ↔ OEM-E13-23OEM-E13-18 "Sensor ground (E2)" [sensor_ground] is wired to OEM-E13-23 "VVT position sensor RH (VVR−)" [trigger_in]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs.
infoNET_FAMILYOEM-E13-4 ↔ PROTEUS-Black35-8OEM-E13-4 "O2 sensor heater (bank unconfirmed)" [low_side_out] is wired to PROTEUS-Black35-8 "Injector 9" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoUNMAPPEDOEM8 optional OEM pins are not mapped: OEM-E11-28 VVT oil-control valve RH (OCR−); OEM-E11-5 Diagnostic test (TC); OEM-E12-12 Throttle magnetic clutch + (CL+); OEM-E13-8 Throttle magnetic clutch − (CL−); OEM-E14-19 VVT oil-control valve LH (OCV−); OEM-E14-29 ACIS induction VSV; OEM-E15-11 OBD-II / DLC3 data (SIL); OEM-E15-6 Check engine light (W)

Accepted (1)

CodeSubjectReasonBy
REQUIRED_UNMAPPEDOEM-E15-1Battery-constant (memory) feed of the stock ECU: the new ECU has no such input, so it is not needed.mapping-proposal

Notes

Auto-mapped by auto_map() from the library pin data on 2026-10-11. Review every wire against both manuals before building. Not wired: - OEM-E15 1: Battery constant (+12V): rusEFI Proteus has no battery-constant input; not needed - OEM-E11 28: VVT oil-control valve RH (OCR−): no free low_side/relay_control/heater_low_side/ls_hs/injector on rusEFI Proteus - OEM-E12 12: Throttle magnetic clutch + (CL+): no free low_side/relay_control/heater_low_side/ls_hs/injector on rusEFI Proteus - OEM-E13 8: Throttle magnetic clutch − (CL−): no free low_side/relay_control/heater_low_side/ls_hs/injector on rusEFI Proteus - OEM-E14 19: VVT oil-control valve LH (OCV−): no free low_side/relay_control/heater_low_side/ls_hs/injector on rusEFI Proteus - OEM-E14 29: ACIS induction VSV: no free low_side/relay_control/heater_low_side/ls_hs/injector on rusEFI Proteus - OEM-E15 6: Check engine light (W): no free low_side/relay_control/heater_low_side/ls_hs/injector on rusEFI Proteus - OEM-E15 11: OBD-II / DLC3 data (SIL): no free k_line on rusEFI Proteus - OEM-E11 5: Diagnostic test (TC): no free k_line on rusEFI Proteus

Sources

ReliabilityKindTitleURLArchiveCapturedSHA-256
4vendor_docToyota 1UZ-FE (VVT-i) engine manual M1UZhttp://www.epicmarine.com/docs/M1UZrm.pdf———
4vendor_docrusEFI Proteus — board connector definitions (Black35 / White35 / Black23)https://github.com/rusefi/rusefi/tree/master/firmware/config/boards/proteus/connectorsarchive2026-10-05738a2ea934c0
3community_copy1998 Lexus LS400 ECM terminal voltage chart (RM717U translation)https://www.renrendoc.com/p-59096353.html———