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.
100%
Stock ECU being replaced
ETCS power (TBP, throttle bypass)
MAXXECUPRO-C3-D2 ANALOG IN 7 (0-5V)
MAXXECUPRO-C1-D1 WBO2 Heater-
MAXXECUPRO-C3-E1 GPO 10/WBO2 2 HTR
OEM-E2
Stock ECU being replaced
13ETCS power (TBP, throttle bypass)
24O2 right rear (OXR2)
25O2 heater right rear (HTR2)
26O2 heater left rear (HTL2)
MAXXECUPRO-C1-B1 GPO 6
MAXXECUPRO-C4-G2 GPO 24
MAXXECUPRO-C4-G3 GPO 25
ETCS main relay (+BM)
EFI main relay (+B2)
MAXXECUPRO-C3-K3 KEY IN 12V
MAXXECUPRO-C1-A1 GPO 5
EFI main relay (+B)
OEM-E3
Stock ECU being replaced
4Fuel pump relay (FPR)
5Fuel pump control (FC)
6Check-engine lamp (W)
7ETCS main relay (+BM)
8EFI main relay (+B2)
9Ignition switch (IGSW)
10EFI main relay control (MREL)
16EFI main relay (+B)
MAXXECUPRO-C3-A2 DIN/VR 5
MAXXECUPRO-C3-A3 DIN 6 (SWITCH)
MAXXECUPRO-C3-A4 DIN 7 (SWITCH)
MAXXECUPRO-C3-D3 ANALOG IN 8 (0-5V)
MAXXECUPRO-C1-C1 GPO 7
MAXXECUPRO-C3-F2 ANALOG IN 11 (0-5V)
OEM-E4
Stock ECU being replaced
2Starter signal (STA)
5Diagnostic/timing check (TC)
6Stop light switch (STP)
8O2 left rear (OXL2)
13A/C clutch relay (ACMG)
18EVAP vapor pressure (PTNK)
MAXXECUPRO-C1-K4 DIN/VR 2
MAXXECUPRO-C1-K3 DIN/VR 1
MAXXECUPRO-C4-G4 GPO 26
OEM-E5
Stock ECU being replaced
5Vehicle speed sensor (SP2+)
11Vehicle speed sensor (SP2-)
12Canister close valve (CCV)
5V ref
MAXXECUPRO-C1-A4 GPO 8/TACHO
MAXXECUPRO-C4-G1 GPO 23
MAXXECUPRO-C1-K1 INJ 1
MAXXECUPRO-C1-K2 INJ 2
MAXXECUPRO-C4-H1 GPO 27
MAXXECUPRO-C3-D1 ANALOG IN 6 (0-5V)
MAXXECUPRO-C3-E2 ANALOG IN 9 (0-5V)
MAXXECUPRO-C3-E3 ANALOG IN 10 (0-5V)
MAXXECUPRO-C1-F1 CLT
MAXXECUPRO-C1-G2 TPS/AIN
MAXXECUPRO-C1-J4 AIN 4 (0-5V)
GND
0V sensor
0V sensor
MAXXECUPRO-C1-F2 IAT
MAXXECUPRO-C1-J3 AIN 3 (0-5V)
MAXXECUPRO-C3-C3 ANALOG IN 5 (0-5V)
OEM-E6
Stock ECU being replaced
2Sensor supply +5V (VC)
3O2 heater right front (HTR)
4O2 heater left front (HTL)
5Injector 1 (#10)
6Injector 2 (#20)
7EVAP purge VSV (PRG)
10Mass air flow (VG)
11O2 right front (OXR1)
12O2 left front (OXL1)
14Coolant temperature (THW)
15Accelerator pedal 1 (VPA)
16Accelerator pedal 2 (VPA2)
17Power ground (E1)
18Sensor ground (E2)
19MAF ground (EVG)
22Intake air temperature (THA)
23Throttle position 1 (VTA)
24Throttle position 2 (VTA2)
MAXXECUPRO-C1-M1 INJ 3
MAXXECUPRO-C1-M2 INJ 4
MAXXECUPRO-C1-M3 INJ 5
MAXXECUPRO-C1-L3 INJ 6
MAXXECUPRO-C4-H2 GPO 28
MAXXECUPRO-C1-H4 HOME
MAXXECUPRO-C1-A2 IGN 1
MAXXECUPRO-C1-A3 IGN 2
MAXXECUPRO-C1-B2 IGN 3
MAXXECUPRO-C1-B4 GPO 1
MAXXECUPRO-C1-C4 GPO 2
MAXXECUPRO-C1-D4 GPO 3
MAXXECUPRO-C1-E4 GPO 4
GND
0V sensor
MAXXECUPRO-C1-H3 TRIGGER
MAXXECUPRO-C3-A1 DIN/VR 4
MAXXECUPRO-C4-F3 Knock 2
MAXXECUPRO-C4-F2 Knock 1
OEM-E7
Stock ECU being replaced
1Injector 3 (#30)
2Injector 4 (#40)
3Injector 5 (#50)
4Injector 6 (#60)
5ACIS intake VSV
10Cam position (G2)
11Ignition 1 (IGT)
12Ignition 2 (IGT2)
13Ignition 3 (IGT3)
17VVT-i OCV - (OCV-)
18VVT-i OCV + (OCV+)
19ETCS throttle clutch - (CL-)
20ETCS throttle clutch + (CL+)
21Power ground (E01)
22Crank position return (NE-)
23Crank position (NE)
25Igniter feedback (IGF)
27Knock sensor 2 (KNK2)
28Knock sensor 1 (KNK1)
MAXXECUPRO
MAXXECUPRO-C1
MAXXECUPRO
A1GPO 5
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 6
B2IGN 3
B4GPO 1
C1GPO 7
C4GPO 2
D1WBO2 Heater-
D4GPO 3
E4GPO 4
F1CLT
F2IAT
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN/VR 1
K4DIN/VR 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-E3-10 EFI main relay control (MREL)
OEM-E7-11 Ignition 1 (IGT)
OEM-E7-12 Ignition 2 (IGT2)
OEM-E6-3 O2 heater right front (HTR)
OEM-E3-4 Fuel pump relay (FPR)
OEM-E7-13 Ignition 3 (IGT3)
OEM-E7-17 VVT-i OCV - (OCV-)
OEM-E4-13 A/C clutch relay (ACMG)
OEM-E7-18 VVT-i OCV + (OCV+)
OEM-E2-25 O2 heater right rear (HTR2)
OEM-E7-19 ETCS throttle clutch - (CL-)
OEM-E7-20 ETCS throttle clutch + (CL+)
OEM-E6-14 Coolant temperature (THW)
OEM-E6-22 Intake air temperature (THA)
5V ref
OEM-E6-15 Accelerator pedal 1 (VPA)
0V sensor
0V sensor
OEM-E7-23 Crank position (NE)
OEM-E7-10 Cam position (G2)
OEM-E6-23 Throttle position 1 (VTA)
OEM-E6-16 Accelerator pedal 2 (VPA2)
OEM-E6-5 Injector 1 (#10)
OEM-E6-6 Injector 2 (#20)
OEM-E5-11 Vehicle speed sensor (SP2-)
OEM-E5-5 Vehicle speed sensor (SP2+)
OEM-E7-4 Injector 6 (#60)
GND
OEM-E7-1 Injector 3 (#30)
OEM-E7-2 Injector 4 (#40)
OEM-E7-3 Injector 5 (#50)
+12V ECU power supply
MAXXECUPRO-C2
MAXXECUPRO
H1Engine ground 3
H2Engine ground 3
H3Engine ground 3
GND
GND
GND
MAXXECUPRO-C3
MAXXECUPRO
A1DIN/VR 4
A2DIN/VR 5
A3DIN 6 (SWITCH)
A4DIN 7 (SWITCH)
C3ANALOG IN 5 (0-5V)
D1ANALOG IN 6 (0-5V)
D2ANALOG IN 7 (0-5V)
D3ANALOG IN 8 (0-5V)
E1GPO 10/WBO2 2 HTR
E2ANALOG IN 9 (0-5V)
E3ANALOG IN 10 (0-5V)
F2ANALOG IN 11 (0-5V)
J2SENSOR GND
J3SENSOR GND
K3KEY IN 12V
L4ENGINE GROUND 2
M412V ECU 2
OEM-E7-25 Igniter feedback (IGF)
OEM-E4-2 Starter signal (STA)
OEM-E4-5 Diagnostic/timing check (TC)
OEM-E4-6 Stop light switch (STP)
OEM-E6-24 Throttle position 2 (VTA2)
OEM-E6-10 Mass air flow (VG)
OEM-E2-24 O2 right rear (OXR2)
OEM-E4-8 O2 left rear (OXL2)
OEM-E2-26 O2 heater left rear (HTL2)
OEM-E6-11 O2 right front (OXR1)
OEM-E6-12 O2 left front (OXL1)
OEM-E4-18 EVAP vapor pressure (PTNK)
0V sensor
0V sensor
OEM-E3-9 Ignition switch (IGSW)
GND
12V ECU 2
MAXXECUPRO-C4
MAXXECUPRO
F2Knock 1
F3Knock 2
G1GPO 23
G2GPO 24
G3GPO 25
G4GPO 26
H1GPO 27
H2GPO 28
OEM-E7-28 Knock sensor 1 (KNK1)
OEM-E7-27 Knock sensor 2 (KNK2)
OEM-E6-4 O2 heater left front (HTL)
OEM-E3-5 Fuel pump control (FC)
OEM-E3-6 Check-engine lamp (W)
OEM-E5-12 Canister close valve (CCV)
OEM-E6-7 EVAP purge VSV (PRG)
OEM-E7-5 ACIS intake VSV
SP-14V · 7 pins
SP-GND · 8 pins
SP-0V · 8 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
69 / 69 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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