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Toyota Supra A80 1993-98 USDM (2JZ-GE, non-VVT) → MaxxECU MaxxECU SPORT REV9+ (auto)

Toyota Supra A80 1993-98 USDM (2JZ-GE, non-VVT) — MaxxECU — MaxxECU SPORT
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 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.

Statusdraft · not yet verified: nobody has reported building and running this harness
Open errors2: read the Findings page before cutting any wire
Size of the job42 wires · 6 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-E10-31SP-14V-10.85☐☐☐☐☐☐☐
W2OEM-E10-32SP-14V-10.85☐☐☐☐☐☐☐
W3SP-14V-1MAXXECUSPORT-C1-M40.85☐☐☐☐☐☐☐
W4OEM-E9-4SP-GND-10.85☐☐☐☐☐☐☐
W5OEM-E9-69SP-GND-10.85☐☐☐☐☐☐☐
W6OEM-E9-79SP-GND-10.85☐☐☐☐☐☐☐
W7OEM-E9-80SP-GND-10.85☐☐☐☐☐☐☐
W8SP-GND-1MAXXECUSPORT-C1-L40.85☐☐☐☐☐☐☐
W9OEM-E9-65SP-0V-10.5☐☐☐☐☐☐☐
W10OEM-E9-7SP-0V-10.5☐☐☐☐☐☐☐
W11SP-0V-1MAXXECUSPORT-C1-H10.5☐☐☐☐☐☐☐
W12SP-0V-1MAXXECUSPORT-C1-H20.5☐☐☐☐☐☐☐
W13OEM-E9-41MAXXECUSPORT-C1-G10.5☐☐☐☐☐☐☐
W14OEM-E9-27MAXXECUSPORT-C1-H30.5☐☐☐☐☐☐☐
W15OEM-E9-26MAXXECUSPORT-C1-H40.5☐☐☐☐☐☐☐
W16OEM-E9-57MAXXECUSPORT-C1-A20.5☐☐☐☐☐☐☐
W17OEM-E9-20MAXXECUSPORT-C1-K10.5☐☐☐☐☐☐☐
W18OEM-E9-19MAXXECUSPORT-C1-K20.5☐☐☐☐☐☐☐
W19OEM-E9-18MAXXECUSPORT-C1-M10.5☐☐☐☐☐☐☐
W20OEM-E9-17MAXXECUSPORT-C1-M20.5☐☐☐☐☐☐☐
W21OEM-E9-16MAXXECUSPORT-C1-M30.5☐☐☐☐☐☐☐
W22OEM-E9-15MAXXECUSPORT-C1-L30.5☐☐☐☐☐☐☐
W23OEM-E9-62MAXXECUSPORT-C1-J30.5☐☐☐☐☐☐☐
W24OEM-E9-43MAXXECUSPORT-C1-G20.5☐☐☐☐☐☐☐
W25OEM-E9-44MAXXECUSPORT-C1-F10.5☐☐☐☐☐☐☐
W26OEM-E10-23MAXXECUSPORT-C1-B40.5☐☐☐☐☐☐☐
W27OEM-E10-24MAXXECUSPORT-C1-C40.5☐☐☐☐☐☐☐
W28OEM-E9-10MAXXECUSPORT-C1-D40.5☐☐☐☐☐☐☐
W29OEM-E9-35MAXXECUSPORT-C1-A10.5☐☐☐☐☐☐☐
W30OEM-E9-34MAXXECUSPORT-C1-B10.5☐☐☐☐☐☐☐
W31OEM-E9-9MAXXECUSPORT-C1-A40.5☐☐☐☐☐☐☐
W32OEM-E9-33MAXXECUSPORT-C1-D10.5☐☐☐☐☐☐☐
W33OEM-E9-47MAXXECUSPORT-C1-J40.5☐☐☐☐☐☐☐
W34OEM-E9-48MAXXECUSPORT-C1-C10.5☐☐☐☐☐☐☐
W35OEM-E10-29MAXXECUSPORT-C1-J10.5☐☐☐☐☐☐☐
W36OEM-E9-24MAXXECUSPORT-C1-J20.5☐☐☐☐☐☐☐
W37OEM-E9-45MAXXECUSPORT-C1-F20.5☐☐☐☐☐☐☐
W38OEM-E10-2MAXXECUSPORT-C1-K30.5☐☐☐☐☐☐☐
W39OEM-E9-23MAXXECUSPORT-C1-K40.5☐☐☐☐☐☐☐
W40OEM-E10-12MAXXECUSPORT-C1-D20.5☐☐☐☐☐☐☐
W41OEM-E10-20MAXXECUSPORT-C1-D30.5☐☐☐☐☐☐☐
W42OEM-E10-19MAXXECUSPORT-C1-E40.5☐☐☐☐☐☐☐

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
1MAXXECUSPORT-C1-G1MAXXECUSPORT-C1-H1open (OL)5 V sensor reference must not touch sensor ground
2MAXXECUSPORT-C1-M4MAXXECUSPORT-C1-H1open (OL)+12 V supply must not touch sensor ground
3MAXXECUSPORT-C1-M4MAXXECUSPORT-C1-L4open (OL)+12 V supply must not touch power ground
4MAXXECUSPORT-C1-L4MAXXECUSPORT-C1-G1open (OL)power ground must not touch 5 V sensor reference
5MAXXECUSPORT-C1-M4MAXXECUSPORT-C1-G1open (OL)+12 V supply must not touch 5 V sensor reference

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

Revisions

RevLabelByDate
No revisions yet.

Schematic

MAXXECUSPORT-C1OEM-E10OEM-E9SP-0VSP-14VSP-GND

Connectors

MAXXECUSPORT-C1

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
A1GPO 4—W29—0.5OEM-E9-35———
A2IGN 1—W16—0.5OEM-E9-57———
A3IGN 2————————
A4GPO 8/TACHO—W31—0.5OEM-E9-9———
B1GPO 5—W30—0.5OEM-E9-34———
B2IGN 3————————
B3IGN 4————————
B4GPO 1—W26—0.5OEM-E10-23———
C1AIN 5 (0-5V)—W34—0.5OEM-E9-48———
C2IGN 5————————
C3IGN 6————————
C4GPO 2—W27—0.5OEM-E10-24———
D1WBO2 Heater-—W32—0.5OEM-E9-33———
D2AIN 6 (0-5V)—W40—0.5OEM-E10-12———
D3AIN 7 (0-5V)—W41—0.5OEM-E10-20———
D4GPO 3—W28—0.5OEM-E9-10———
E1CAN H————————
E2CAN L————————
E3GND Shield————————
E4AIN 8 (0-5V)—W42—0.5OEM-E10-19———
F1CLT—W25—0.5OEM-E9-44———
F2IAT—W37—0.5OEM-E9-45———
F3WBO2 VREF————————
F4WBO2 VS————————
G1+5V sensor supply—W13—0.5OEM-E9-41———
G2TPS/AIN—W24—0.5OEM-E9-43———
G3WBO2 IP————————
G4WBO2 RCAL————————
H1Sensor GND—W11—0.5SP-0V-1———
H2Trigger GND—W12—0.5SP-0V-1———
H3TRIGGER—W14—0.5OEM-E9-27———
H4HOME—W15—0.5OEM-E9-26———
J1AIN 1 (temperature)—W35—0.5OEM-E10-29———
J2AIN 2 (Temperature)—W36—0.5OEM-E9-24———
J3AIN 3 (0-5V)—W23—0.5OEM-E9-62———
J4AIN 4 (0-5V)—W33—0.5OEM-E9-47———
K1INJ 1—W17—0.5OEM-E9-20———
K2INJ 2—W18—0.5OEM-E9-19———
K3DIN 1—W38—0.5OEM-E10-2———
K4DIN 2—W39—0.5OEM-E9-23———
L1GPO 11/Motor 1-————————
L2GPO 12/MOTOR 1+————————
L3INJ 6—W22—0.5OEM-E9-15———
L4Engine GND—W8—0.85SP-GND-1———
M1INJ 3—W19—0.5OEM-E9-18———
M2INJ 4—W20—0.5OEM-E9-17———
M3INJ 5—W21—0.5OEM-E9-16———
M4+12V ECU power supply—W3—0.85SP-14V-1———

OEM-E10

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Ignition switch (IGSW)————————
10A/T low-gear indicator (L)————————
12A/T overdrive disable 1 (OD1)—W40—0.5MAXXECUSPORT-C1-D2———
15Electrical load sense (ELS)————————
17Diagnostic test terminal (TT)————————
18A/T manual mode select (M)————————
19Diagnostic test 2 (TE2)—W42—0.5MAXXECUSPORT-C1-E4———
2No.1 speed sensor (SP1)—W38—0.5MAXXECUSPORT-C1-K3———
20Diagnostic test 1 (TE1)—W41—0.5MAXXECUSPORT-C1-D3———
21Fuel pump diagnostic (DI)————————
22Fuel pump control (FPC)————————
23A/C clutch relay (ACMG)—W26—0.5MAXXECUSPORT-C1-B4———
24EFI main relay control (M-REL)—W27—0.5MAXXECUSPORT-C1-C4———
25A/T manual indicator (MI)————————
28A/T overdrive disable 2 (OD2)————————
29Cat temperature sensor (CCO)—W35—0.5MAXXECUSPORT-C1-J1———
3A/T kickdown switch (KD)————————
31EFI main relay power (+B)—W1—0.85SP-14V-1———
32EFI main relay power (+B1)—W2—0.85SP-14V-1———
33Battery constant (BATT)————————
34A/C request (A/C)————————
35Power steering switch (PS)————————
4Stop light switch (STP)————————
5Cat-temp warning light (EGW)————————
6Check-engine light (W)————————
9A/T 2nd-gear indicator (2)————————

OEM-E9

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
10A/T shift solenoid 1 (S1)—W28—0.5MAXXECUSPORT-C1-D4———
15Injector 6 (#60, rear)—W22—0.5MAXXECUSPORT-C1-L3———
16Injector 5 (#50)—W21—0.5MAXXECUSPORT-C1-M3———
17Injector 4 (#40)—W20—0.5MAXXECUSPORT-C1-M2———
18Injector 3 (#30)—W19—0.5MAXXECUSPORT-C1-M1———
19Injector 2 (#20)—W18—0.5MAXXECUSPORT-C1-K2———
20Injector 1 (#10, front)—W17—0.5MAXXECUSPORT-C1-K1———
23No.2 speed sensor (SP2+)—W39—0.5MAXXECUSPORT-C1-K4———
24A/T oil temperature (OIL)—W36—0.5MAXXECUSPORT-C1-J2———
25Cam position 2 (G2)————————
26Cam position 1 (G1)—W15—0.5MAXXECUSPORT-C1-H4———
27Crank position (NE)—W14—0.5MAXXECUSPORT-C1-H3———
28Voltage feedback 2 (VF2)————————
29Voltage feedback 1 (VF1)————————
3No.2 speed sensor return (SP2-)————————
32ISC stepper coil 4 (ISC4)————————
33ISC stepper coil 3 (ISC3)—W32—0.5MAXXECUSPORT-C1-D1———
34ISC stepper coil 2 (ISC2)—W30—0.5MAXXECUSPORT-C1-B1———
35ISC stepper coil 1 (ISC1)—W29—0.5MAXXECUSPORT-C1-A1———
39ACIS intake VSV————————
4Power ground (E11)—W4—0.85SP-GND-1———
41Sensor supply +5V (VCC)—W13—0.5MAXXECUSPORT-C1-G1———
43Throttle position (VTA1)—W24—0.5MAXXECUSPORT-C1-G2———
44Coolant temperature (THW)—W25—0.5MAXXECUSPORT-C1-F1———
45Intake air temperature (THA)—W37—0.5MAXXECUSPORT-C1-F2———
47O2 sensor 2 (OX2, rear bank)—W33—0.5MAXXECUSPORT-C1-J4———
48O2 sensor 1 (OX1, front bank)—W34—0.5MAXXECUSPORT-C1-C1———
49Knock sensor 2 (KNK2, rear)————————
50Knock sensor 1 (KNK1, front)————————
57Igniter trigger (IGT)—W16—0.5MAXXECUSPORT-C1-A2———
58Igniter verification (IGF)————————
62Manifold pressure (PIM)—W23—0.5MAXXECUSPORT-C1-J3———
64TPS idle switch (IDL1)————————
65Sensor ground (E2)—W9—0.5SP-0V-1———
69Power ground (E1)—W5—0.85SP-GND-1———
7Distributor ground (G-)—W10—0.5SP-0V-1———
74EVAP purge VSV————————
76Neutral/park switch (NSW)————————
77Starter signal (STA)————————
79Power ground (E02)—W6—0.85SP-GND-1———
8A/T lock-up solenoid (S3)————————
80Power ground (E01)—W7—0.85SP-GND-1———
9A/T shift solenoid 2 (S2)—W31—0.5MAXXECUSPORT-C1-A4———

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W9—0.5OEM-E9-65———
1——W10—0.5OEM-E9-7———
1——W11—0.5MAXXECUSPORT-C1-H1———
1——W12—0.5MAXXECUSPORT-C1-H2———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-E10-31———
1——W2—0.85OEM-E10-32———
1——W3—0.85MAXXECUSPORT-C1-M4———

SP-GND

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W4—0.85OEM-E9-4———
1——W5—0.85OEM-E9-69———
1——W6—0.85OEM-E9-79———
1——W7—0.85OEM-E9-80———
1——W8—0.85MAXXECUSPORT-C1-L4———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-E10-1Ignition switch (IGSW)digital_in———single_source
OEM-E10-10A/T low-gear indicator (L)digital_in———single_source
OEM-E10-12A/T overdrive disable 1 (OD1)digital_inMAXXECUSPORT-C1-D2AIN 6 (0-5V)analog_insingle_source
OEM-E10-15Electrical load sense (ELS)digital_in———single_source
OEM-E10-17Diagnostic test terminal (TT)digital_in———single_source
OEM-E10-18A/T manual mode select (M)digital_in———single_source
OEM-E10-19Diagnostic test 2 (TE2)digital_inMAXXECUSPORT-C1-E4AIN 8 (0-5V)analog_insingle_source
OEM-E10-2No.1 speed sensor (SP1)digital_inMAXXECUSPORT-C1-K3DIN 1digital_insingle_source
OEM-E10-20Diagnostic test 1 (TE1)digital_inMAXXECUSPORT-C1-D3AIN 7 (0-5V)analog_insingle_source
OEM-E10-21Fuel pump diagnostic (DI)digital_in———single_source
OEM-E10-22Fuel pump control (FPC)low_side_out———single_source
OEM-E10-23A/C clutch relay (ACMG)low_side_outMAXXECUSPORT-C1-B4GPO 1low_side_outsingle_source
OEM-E10-24EFI main relay control (M-REL)low_side_outMAXXECUSPORT-C1-C4GPO 2low_side_outsingle_source
OEM-E10-25A/T manual indicator (MI)digital_in———single_source
OEM-E10-28A/T overdrive disable 2 (OD2)digital_in———single_source
OEM-E10-29Cat temperature sensor (CCO)temp_inMAXXECUSPORT-C1-J1AIN 1 (temperature)temp_insingle_source
OEM-E10-3A/T kickdown switch (KD)digital_in———single_source
OEM-E10-31EFI main relay power (+B)power_inMAXXECUSPORT-C1-M4+12V ECU power supplypower_insingle_source
OEM-E10-32EFI main relay power (+B1)power_inMAXXECUSPORT-C1-M4+12V ECU power supplypower_insingle_source
OEM-E10-33Battery constant (BATT)power_in———single_source
OEM-E10-34A/C request (A/C)digital_in———single_source
OEM-E10-35Power steering switch (PS)digital_in———single_source
OEM-E10-4Stop light switch (STP)digital_in———single_source
OEM-E10-5Cat-temp warning light (EGW)low_side_out———single_source
OEM-E10-6Check-engine light (W)low_side_out———single_source
OEM-E10-9A/T 2nd-gear indicator (2)digital_in———single_source
OEM-E9-10A/T shift solenoid 1 (S1)low_side_outMAXXECUSPORT-C1-D4GPO 3low_side_outsingle_source
OEM-E9-15Injector 6 (#60, rear)injector_outMAXXECUSPORT-C1-L3INJ 6injector_outsingle_source
OEM-E9-16Injector 5 (#50)injector_outMAXXECUSPORT-C1-M3INJ 5injector_outsingle_source
OEM-E9-17Injector 4 (#40)injector_outMAXXECUSPORT-C1-M2INJ 4injector_outsingle_source
OEM-E9-18Injector 3 (#30)injector_outMAXXECUSPORT-C1-M1INJ 3injector_outsingle_source
OEM-E9-19Injector 2 (#20)injector_outMAXXECUSPORT-C1-K2INJ 2injector_outsingle_source
OEM-E9-20Injector 1 (#10, front)injector_outMAXXECUSPORT-C1-K1INJ 1injector_outsingle_source
OEM-E9-23No.2 speed sensor (SP2+)digital_inMAXXECUSPORT-C1-K4DIN 2digital_insingle_source
OEM-E9-24A/T oil temperature (OIL)temp_inMAXXECUSPORT-C1-J2AIN 2 (Temperature)temp_insingle_source
OEM-E9-25Cam position 2 (G2)trigger_in———single_source
OEM-E9-26Cam position 1 (G1)trigger_inMAXXECUSPORT-C1-H4HOMEtrigger_insingle_source
OEM-E9-27Crank position (NE)trigger_inMAXXECUSPORT-C1-H3TRIGGERtrigger_insingle_source
OEM-E9-28Voltage feedback 2 (VF2)analog_out———single_source
OEM-E9-29Voltage feedback 1 (VF1)analog_out———single_source
OEM-E9-3No.2 speed sensor return (SP2-)digital_in———single_source
OEM-E9-32ISC stepper coil 4 (ISC4)low_side_out———single_source
OEM-E9-33ISC stepper coil 3 (ISC3)low_side_outMAXXECUSPORT-C1-D1WBO2 Heater-low_side_outsingle_source
OEM-E9-34ISC stepper coil 2 (ISC2)low_side_outMAXXECUSPORT-C1-B1GPO 5low_side_outsingle_source
OEM-E9-35ISC stepper coil 1 (ISC1)low_side_outMAXXECUSPORT-C1-A1GPO 4low_side_outsingle_source
OEM-E9-39ACIS intake VSVlow_side_out———single_source
OEM-E9-4Power ground (E11)groundMAXXECUSPORT-C1-L4Engine GNDgroundsingle_source
OEM-E9-41Sensor supply +5V (VCC)vrefMAXXECUSPORT-C1-G1+5V sensor supplyvrefsingle_source
OEM-E9-43Throttle position (VTA1)analog_inMAXXECUSPORT-C1-G2TPS/AINanalog_insingle_source
OEM-E9-44Coolant temperature (THW)temp_inMAXXECUSPORT-C1-F1CLTtemp_insingle_source
OEM-E9-45Intake air temperature (THA)temp_inMAXXECUSPORT-C1-F2IATtemp_insingle_source
OEM-E9-47O2 sensor 2 (OX2, rear bank)lambda_nb_inMAXXECUSPORT-C1-J4AIN 4 (0-5V)analog_insingle_source
OEM-E9-48O2 sensor 1 (OX1, front bank)lambda_nb_inMAXXECUSPORT-C1-C1AIN 5 (0-5V)analog_insingle_source
OEM-E9-49Knock sensor 2 (KNK2, rear)knock_in———single_source
OEM-E9-50Knock sensor 1 (KNK1, front)knock_in———single_source
OEM-E9-57Igniter trigger (IGT)ignition_outMAXXECUSPORT-C1-A2IGN 1ignition_outsingle_source
OEM-E9-58Igniter verification (IGF)digital_in———single_source
OEM-E9-62Manifold pressure (PIM)analog_inMAXXECUSPORT-C1-J3AIN 3 (0-5V)analog_insingle_source
OEM-E9-64TPS idle switch (IDL1)digital_in———single_source
OEM-E9-65Sensor ground (E2)sensor_groundMAXXECUSPORT-C1-H1 + MAXXECUSPORT-C1-H2Sensor GND + Trigger GNDsensor_groundsingle_source
OEM-E9-69Power ground (E1)groundMAXXECUSPORT-C1-L4Engine GNDgroundsingle_source
OEM-E9-7Distributor ground (G-)sensor_groundMAXXECUSPORT-C1-H1 + MAXXECUSPORT-C1-H2Sensor GND + Trigger GNDsensor_groundsingle_source
OEM-E9-74EVAP purge VSVlow_side_out———single_source
OEM-E9-76Neutral/park switch (NSW)digital_in———single_source
OEM-E9-77Starter signal (STA)digital_in———single_source
OEM-E9-79Power ground (E02)groundMAXXECUSPORT-C1-L4Engine GNDgroundsingle_source
OEM-E9-8A/T lock-up solenoid (S3)low_side_out———single_source
OEM-E9-80Power ground (E01)groundMAXXECUSPORT-C1-L4Engine GNDgroundsingle_source
OEM-E9-9A/T shift solenoid 2 (S2)low_side_outMAXXECUSPORT-C1-A4GPO 8/TACHOlow_side_outsingle_source

Cut list

WireFromToGauge (mm²)ColourLengthSignalIdent
W1OEM-E10-31SP-14V-10.85no routeEFI main relay power (+B)—
W2OEM-E10-32SP-14V-10.85no routeEFI main relay power (+B1)—
W3SP-14V-1MAXXECUSPORT-C1-M40.85no route+12V ECU power supply—
W4OEM-E9-4SP-GND-10.85no routePower ground (E11)—
W5OEM-E9-69SP-GND-10.85no routePower ground (E1)—
W6OEM-E9-79SP-GND-10.85no routePower ground (E02)—
W7OEM-E9-80SP-GND-10.85no routePower ground (E01)—
W8SP-GND-1MAXXECUSPORT-C1-L40.85no routeEngine GND—
W9OEM-E9-65SP-0V-10.5no routeSensor ground (E2)—
W10OEM-E9-7SP-0V-10.5no routeDistributor ground (G-)—
W11SP-0V-1MAXXECUSPORT-C1-H10.5no routeSensor GND—
W12SP-0V-1MAXXECUSPORT-C1-H20.5no routeTrigger GND—
W13OEM-E9-41MAXXECUSPORT-C1-G10.5no routeSensor supply +5V (VCC)—
W14OEM-E9-27MAXXECUSPORT-C1-H30.5no routeCrank position (NE)—
W15OEM-E9-26MAXXECUSPORT-C1-H40.5no routeCam position 1 (G1)—
W16OEM-E9-57MAXXECUSPORT-C1-A20.5no routeIgniter trigger (IGT)—
W17OEM-E9-20MAXXECUSPORT-C1-K10.5no routeInjector 1 (#10, front)—
W18OEM-E9-19MAXXECUSPORT-C1-K20.5no routeInjector 2 (#20)—
W19OEM-E9-18MAXXECUSPORT-C1-M10.5no routeInjector 3 (#30)—
W20OEM-E9-17MAXXECUSPORT-C1-M20.5no routeInjector 4 (#40)—
W21OEM-E9-16MAXXECUSPORT-C1-M30.5no routeInjector 5 (#50)—
W22OEM-E9-15MAXXECUSPORT-C1-L30.5no routeInjector 6 (#60, rear)—
W23OEM-E9-62MAXXECUSPORT-C1-J30.5no routeManifold pressure (PIM)—
W24OEM-E9-43MAXXECUSPORT-C1-G20.5no routeThrottle position (VTA1)—
W25OEM-E9-44MAXXECUSPORT-C1-F10.5no routeCoolant temperature (THW)—
W26OEM-E10-23MAXXECUSPORT-C1-B40.5no routeA/C clutch relay (ACMG)—
W27OEM-E10-24MAXXECUSPORT-C1-C40.5no routeEFI main relay control (M-REL)—
W28OEM-E9-10MAXXECUSPORT-C1-D40.5no routeA/T shift solenoid 1 (S1)—
W29OEM-E9-35MAXXECUSPORT-C1-A10.5no routeISC stepper coil 1 (ISC1)—
W30OEM-E9-34MAXXECUSPORT-C1-B10.5no routeISC stepper coil 2 (ISC2)—
W31OEM-E9-9MAXXECUSPORT-C1-A40.5no routeA/T shift solenoid 2 (S2)—
W32OEM-E9-33MAXXECUSPORT-C1-D10.5no routeISC stepper coil 3 (ISC3)—
W33OEM-E9-47MAXXECUSPORT-C1-J40.5no routeO2 sensor 2 (OX2, rear bank)—
W34OEM-E9-48MAXXECUSPORT-C1-C10.5no routeO2 sensor 1 (OX1, front bank)—
W35OEM-E10-29MAXXECUSPORT-C1-J10.5no routeCat temperature sensor (CCO)—
W36OEM-E9-24MAXXECUSPORT-C1-J20.5no routeA/T oil temperature (OIL)—
W37OEM-E9-45MAXXECUSPORT-C1-F20.5no routeIntake air temperature (THA)—
W38OEM-E10-2MAXXECUSPORT-C1-K30.5no routeNo.1 speed sensor (SP1)—
W39OEM-E9-23MAXXECUSPORT-C1-K40.5no routeNo.2 speed sensor (SP2+)—
W40OEM-E10-12MAXXECUSPORT-C1-D20.5no routeA/T overdrive disable 1 (OD1)—
W41OEM-E10-20MAXXECUSPORT-C1-D30.5no routeDiagnostic test 1 (TE1)—
W42OEM-E10-19MAXXECUSPORT-C1-E40.5no routeDiagnostic test 2 (TE2)—

Bill of materials

CategoryPart numberManufacturerDescriptionQtyUnit

ECU setup sheet

RoleEngine refEngine signalSensorECU pointECU functionECU classSetup flag
No configured channels.

Findings

Open (9)

SeverityCodeSubjectMessage
errorREQUIRED_UNMAPPEDOEM-E10-1Required OEM function "Ignition switch (IGSW)" (digital_in) is not connected to the new ECU.
errorREQUIRED_UNMAPPEDOEM-E9-25Required OEM function "Cam position 2 (G2)" (trigger_in) is not connected to the new ECU.
warnLOAD_UNKNOWNMAXXECUSPORT-C1-B4MAXXECUSPORT-C1-B4 "GPO 1" drives OEM-E10-23 A/C clutch relay (ACMG) (load 0.2 A) but its current rating is unknown. Check the ECU manual.
warnLOAD_UNKNOWNMAXXECUSPORT-C1-C4MAXXECUSPORT-C1-C4 "GPO 2" drives OEM-E10-24 EFI main relay control (M-REL) (load 0.2 A) but its current rating is unknown. Check the ECU manual.
warnNET_FAMILYOEM-E10-12 ↔ MAXXECUSPORT-C1-D2OEM-E10-12 "A/T overdrive disable 1 (OD1)" [digital_in] is wired to MAXXECUSPORT-C1-D2 "AIN 6 (0-5V)" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value.
warnNET_FAMILYOEM-E10-19 ↔ MAXXECUSPORT-C1-E4OEM-E10-19 "Diagnostic test 2 (TE2)" [digital_in] is wired to MAXXECUSPORT-C1-E4 "AIN 8 (0-5V)" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value.
warnNET_FAMILYOEM-E10-20 ↔ MAXXECUSPORT-C1-D3OEM-E10-20 "Diagnostic test 1 (TE1)" [digital_in] is wired to MAXXECUSPORT-C1-D3 "AIN 7 (0-5V)" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value.
warnNO_FUEL_PUMPfuel pumpThis engine harness has no fuel-pump control path: no fuel-pump relay output is wired to the new ECU. If the stock car switches the pump outside the ECU (an airflow-meter contact or a separate module), the standalone must drive the pump relay itself — see the install notes for this car.
infoUNMAPPEDOEM28 optional OEM pins are not mapped: OEM-E10-10 A/T low-gear indicator (L); OEM-E10-15 Electrical load sense (ELS); OEM-E10-17 Diagnostic test terminal (TT); OEM-E10-18 A/T manual mode select (M); OEM-E10-21 Fuel pump diagnostic (DI); OEM-E10-22 Fuel pump control (FPC); OEM-E10-25 A/T manual indicator (MI); OEM-E10-28 A/T overdrive disable 2 (OD2); OEM-E10-3 A/T kickdown switch (KD); OEM-E10-34 A/C request (A/C); OEM-E10-35 Power steering switch (PS); OEM-E10-4 Stop light switch (STP); OEM-E10-5 Cat-temp warning light (EGW); OEM-E10-6 Check-engine light (W); OEM-E10-9 A/T 2nd-gear indicator (2); OEM-E9-28 Voltage feedback 2 (VF2); OEM-E9-29 Voltage feedback 1 (VF1); OEM-E9-3 No.2 speed sensor return (SP2-); OEM-E9-32 ISC stepper coil 4 (ISC4); OEM-E9-39 ACIS intake VSV; OEM-E9-49 Knock sensor 2 (KNK2, rear); OEM-E9-50 Knock sensor 1 (KNK1, front); OEM-E9-58 Igniter verification (IGF); OEM-E9-64 TPS idle switch (IDL1); OEM-E9-74 EVAP purge VSV; OEM-E9-76 Neutral/park switch (NSW); OEM-E9-77 Starter signal (STA); OEM-E9-8 A/T lock-up solenoid (S3)

Accepted (1)

CodeSubjectReasonBy
REQUIRED_UNMAPPEDOEM-E10-33Battery-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. Open items: - OEM-E9 25: Cam position 2 (G2): no free cam_vr/cam_hall/frequency_in input on MaxxECU MaxxECU SPORT - OEM-E10 1: Ignition switch (IGSW): key-on 12 V sense — optional in a swap (the main relay is energized from keyed 12 V, not from this pin); MaxxECU MaxxECU SPORT has no dedicated key-on input Not wired: - OEM-E10 33: Battery constant (BATT): MaxxECU MaxxECU SPORT has no battery-constant input; not needed - OEM-E9 50: Knock sensor 1 (KNK1, front): no free knock input on MaxxECU MaxxECU SPORT - OEM-E9 49: Knock sensor 2 (KNK2, rear): no free knock input on MaxxECU MaxxECU SPORT - OEM-E9 32: ISC stepper coil 4 (ISC4): no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E10 22: Fuel pump control (FPC): no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E10 5: Cat-temp warning light (EGW): no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E10 6: Check-engine light (W): no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E9 39: ACIS intake VSV: no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E9 74: EVAP purge VSV: no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E9 8: A/T lock-up solenoid (S3): no free low_side/relay_control/heater_low_side/ls_hs/injector on MaxxECU MaxxECU SPORT - OEM-E9 3: No.2 speed sensor return (SP2-): no free frequency_in/switch_in on MaxxECU MaxxECU SPORT - OEM-E10 21: Fuel pump diagnostic (DI): no free frequency_in/switch_in on MaxxECU MaxxECU SPORT - OEM-E9 58: Igniter verification (IGF): no free frequency_in/switch_in on MaxxECU MaxxECU SPORT - OEM-E10 28: A/T overdrive disable 2 (OD2): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 9: A/T 2nd-gear indicator (2): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 10: A/T low-gear indicator (L): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 15: Electrical load sense (ELS): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 17: Diagnostic test terminal (TT): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 18: A/T manual mode select (M): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 25: A/T manual indicator (MI): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 3: A/T kickdown switch (KD): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 34: A/C request (A/C): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 35: Power steering switch (PS): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E10 4: Stop light switch (STP): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E9 64: TPS idle switch (IDL1): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E9 76: Neutral/park switch (NSW): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E9 77: Starter signal (STA): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU SPORT - OEM-E9 29: Voltage feedback 1 (VF1): no free analog_out on MaxxECU MaxxECU SPORT - OEM-E9 28: Voltage feedback 2 (VF2): no free analog_out on MaxxECU MaxxECU SPORT

Sources

ReliabilityKindTitleURLArchiveCapturedSHA-256
4vendor_docMaxxECU GEN1 pinout (MINI / STREET / SPORT / V1 / RACE / PRO)http://www.maxxecu.com/webhelp/wirings-maxxecu_pinout.htmlarchive2026-10-052e37b6814690
3community_copywilbo666: 2JZ-GE JZA80 Supra Engine Wiring (ECU pinout, E10/E9)http://wilbo666.pbworks.com/w/page/41678224/2JZ-GE%20JZA80%20Supra%20Engine%20Wiring———