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
MAXXECUSPORT-C1-M1 INJ 3
MAXXECUSPORT-C1-M2 INJ 4
MAXXECUSPORT-C1-M3 INJ 5
MAXXECUSPORT-C1-L3 INJ 6
GND
MAXXECUSPORT-C1-H4 HOME
MAXXECUSPORT-C1-A2 IGN 1
MAXXECUSPORT-C1-A3 IGN 2
MAXXECUSPORT-C1-B2 IGN 3
MAXXECUSPORT-C1-B4 GPO 1
MAXXECUSPORT-C1-C4 GPO 2
MAXXECUSPORT-C1-D4 GPO 3
MAXXECUSPORT-C1-A1 GPO 4
GND
0V sensor
MAXXECUSPORT-C1-H3 TRIGGER
MAXXECUSPORT-C1-E3 GND Shield (via SP-SHD)
GND
OEM-B74
Stock ECU being replaced
1Injector 3 (#30)
2Injector 4 (#40)
3Injector 5 (#50)
4Injector 6 (#60)
9ETCS-i ground (ME01)
10Cam position (G2)
11Ignition 1 (IGT, cyl 1&6)
12Ignition 2 (IGT2, cyl 5&2)
13Ignition 3 (IGT3, cyl 3&4)
17VVT-i OCV - (OCV-)
18VVT-i OCV + (OCV+)
19ETCS-i clutch - (CL-)
20ETCS-i clutch + (CL+)
21Power ground (E01)
22Crank/cam sensor return (NE-)
23Crank position (NE+)
30ETCS-i motor shield (GEO1)
31Power ground (E02)
5V ref
MAXXECUSPORT-C1-D1 WBO2 Heater-
MAXXECUSPORT-C1-K1 INJ 1
MAXXECUSPORT-C1-K2 INJ 2
MAXXECUSPORT-C1-J3 AIN 3 (0-5V)
MAXXECUSPORT-C1-D3 AIN 7 (0-5V)
MAXXECUSPORT-C1-E4 AIN 8 (0-5V)
MAXXECUSPORT-C1-F1 CLT
MAXXECUSPORT-C1-G2 TPS/AIN
MAXXECUSPORT-C1-C1 AIN 5 (0-5V)
GND
0V sensor
0V sensor
MAXXECUSPORT-C1-F2 IAT
MAXXECUSPORT-C1-J4 AIN 4 (0-5V)
MAXXECUSPORT-C1-D2 AIN 6 (0-5V)
OEM-B75
Stock ECU being replaced
2Sensor power (VC)
4O2 sensor heater (HT)
5Injector 1 (#10)
6Injector 2 (#20)
9Manifold pressure (PIM)
10Mass air flow (VG)
12O2 sensor (OX)
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)
MAXXECUSPORT-C1-K4 DIN 2
MAXXECUSPORT-C1-J1 AIN 1 (temperature)
OEM-B76
Stock ECU being replaced
11No.2 speed sensor return (SP2-)
17A/T oil temperature (OIL)
MAXXECUSPORT-C1-B1 GPO 5
MAXXECUSPORT-C1-K3 DIN 1
OEM-B77
Stock ECU being replaced
13A/C clutch relay (ACMG)
25No.1 speed sensor (SPD)
ETCS-i power (+BM)
EFI main relay power (+B2)
MAXXECUSPORT-C1-A4 GPO 8/TACHO
EFI main relay power (+B)
0V sensor
OEM-B78
Stock ECU being replaced
7ETCS-i power (+BM)
8EFI main relay power (+B2)
10EFI main relay control (M-REL)
16EFI main relay power (+B)
22Switch ground (EC)
OEM-B79
Stock ECU being replaced
MAXXECUSPORT
MAXXECUSPORT-C1
MAXXECUSPORT
A1GPO 4
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 5
B2IGN 3
B4GPO 1
C1AIN 5 (0-5V)
C4GPO 2
D1WBO2 Heater-
D2AIN 6 (0-5V)
D3AIN 7 (0-5V)
D4GPO 3
E3GND Shield
E4AIN 8 (0-5V)
F1CLT
F2IAT
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J1AIN 1 (temperature)
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN 1
K4DIN 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-B74-20 ETCS-i clutch + (CL+)
OEM-B74-11 Ignition 1 (IGT, cyl 1&6)
OEM-B74-12 Ignition 2 (IGT2, cyl 5&2)
OEM-B78-10 EFI main relay control (M-REL)
OEM-B77-13 A/C clutch relay (ACMG)
OEM-B74-13 Ignition 3 (IGT3, cyl 3&4)
OEM-B74-17 VVT-i OCV - (OCV-)
OEM-B75-16 Accelerator pedal 2 (VPA2)
OEM-B74-18 VVT-i OCV + (OCV+)
OEM-B75-4 O2 sensor heater (HT)
OEM-B75-24 Throttle position 2 (VTA2)
OEM-B75-10 Mass air flow (VG)
OEM-B74-19 ETCS-i clutch - (CL-)
OEM-B74-30 ETCS-i motor shield (GEO1) (via SP-SHD)
OEM-B75-12 O2 sensor (OX)
OEM-B75-14 Coolant temperature (THW)
OEM-B75-22 Intake air temperature (THA)
5V ref
OEM-B75-15 Accelerator pedal 1 (VPA)
0V sensor
0V sensor
OEM-B74-23 Crank position (NE+)
OEM-B74-10 Cam position (G2)
OEM-B76-17 A/T oil temperature (OIL)
OEM-B75-9 Manifold pressure (PIM)
OEM-B75-23 Throttle position 1 (VTA)
OEM-B75-5 Injector 1 (#10)
OEM-B75-6 Injector 2 (#20)
OEM-B77-25 No.1 speed sensor (SPD)
OEM-B76-11 No.2 speed sensor return (SP2-)
OEM-B74-4 Injector 6 (#60)
GND
OEM-B74-1 Injector 3 (#30)
OEM-B74-2 Injector 4 (#40)
OEM-B74-3 Injector 5 (#50)
+12V ECU power supply
SP-SHD · 3 pins
SP-GND · 6 pins
SP-0V · 7 pins
SP-14V · 5 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.
48 / 48 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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