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-G2 TPS/AIN
MAXXECUSPORT-C1-F1 CLT
MAXXECUSPORT-C1-J4 AIN 4 (0-5V)
MAXXECUSPORT-C1-J1 AIN 1 (temperature)
MAXXECUSPORT-C1-D3 AIN 7 (0-5V)
5V ref
EFI main relay (B+)
EFI main relay (B1+)
MAXXECUSPORT-C1-F2 IAT
MAXXECUSPORT-C1-J3 AIN 3 (0-5V)
0V sensor
MAXXECUSPORT-C1-E4 AIN 8 (0-5V)
GND
OEM-A
Stock ECU being replaced
4Throttle position (VTA1)
5Coolant temperature (THW)
6O2 left front (OXL1)
7EGR temperature sensor
9Diagnostic test 1 (TE1)
11Sensor supply +5V (VC)
12EFI main relay (B+)
13EFI main relay (B1+)
16Intake air temperature (THA)
17O2 right front (OXR1)
18Sensor ground (E2)
20Diagnostic test 2 (TE2)
22Power ground (E1)
MAXXECUSPORT-C1-B4 GPO 1
MAXXECUSPORT-C1-C4 GPO 2
MAXXECUSPORT-C1-D4 GPO 3
MAXXECUSPORT-C1-C1 AIN 5 (0-5V)
MAXXECUSPORT-C1-D2 AIN 6 (0-5V)
OEM-B
Stock ECU being replaced
4EFI main relay control (MREL)
6Fuel pump relay (FPR)
7A/C clutch relay (ACMG)
11O2 right rear (OXR2)
24O2 left rear (OXL2)
MAXXECUSPORT-C1-K3 DIN 1
MAXXECUSPORT-C1-A2 IGN 1
MAXXECUSPORT-C1-H4 HOME
MAXXECUSPORT-C1-H3 TRIGGER
MAXXECUSPORT-C1-K4 DIN 2
MAXXECUSPORT-C1-A3 IGN 2
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
2Igniter 1 feedback (IGF1)
5Ignition 1 (IGT1)
7Cam sensor 1 + (G1+)
8Crank sensor + (NE+)
10Igniter 2 feedback (IGF2)
13Ignition 2 (IGT2)
15Cam sensor ground (G-)
16Crank sensor - (NE-)
MAXXECUSPORT-C1-L3 INJ 6
MAXXECUSPORT-C1-M3 INJ 5
MAXXECUSPORT-C1-A4 GPO 8/TACHO
MAXXECUSPORT-C1-K2 INJ 2
MAXXECUSPORT-C1-K1 INJ 1
GND
MAXXECUSPORT-C1-B1 GPO 5
MAXXECUSPORT-C1-D1 WBO2 Heater-
MAXXECUSPORT-C1-A1 GPO 4
MAXXECUSPORT-C1-M1 INJ 3
MAXXECUSPORT-C1-M2 INJ 4
GND
OEM-D
Stock ECU being replaced
6ISC stepper coil 3 (ISC3)
7ISC stepper coil 2 (ISC2)
8ISC stepper coil 1 (ISC1)
11Injector 2&8 (#20)
12Injector 1&7 (#10)
13Power ground (E01)
17Cold start injector 1 (STJ1)
19O2 heater 2 (HT2)
20O2 heater 1 (HT1)
24Injector 3&5 (#40)
25Injector 4&6 (#30)
26Power ground (E02)
MAXXECUSPORT
MAXXECUSPORT-C1
MAXXECUSPORT
A1GPO 4
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 5
B4GPO 1
C1AIN 5 (0-5V)
C4GPO 2
D1WBO2 Heater-
D2AIN 6 (0-5V)
D3AIN 7 (0-5V)
D4GPO 3
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-D-20 O2 heater 1 (HT1)
OEM-C-5 Ignition 1 (IGT1)
OEM-C-13 Ignition 2 (IGT2)
OEM-D-8 ISC stepper coil 1 (ISC1)
OEM-D-17 Cold start injector 1 (STJ1)
OEM-B-4 EFI main relay control (MREL)
OEM-B-11 O2 right rear (OXR2)
OEM-B-6 Fuel pump relay (FPR)
OEM-D-19 O2 heater 2 (HT2)
OEM-B-24 O2 left rear (OXL2)
OEM-A-9 Diagnostic test 1 (TE1)
OEM-B-7 A/C clutch relay (ACMG)
OEM-A-20 Diagnostic test 2 (TE2)
OEM-A-5 Coolant temperature (THW)
OEM-A-16 Intake air temperature (THA)
5V ref
OEM-A-4 Throttle position (VTA1)
0V sensor
0V sensor
OEM-C-8 Crank sensor + (NE+)
OEM-C-7 Cam sensor 1 + (G1+)
OEM-A-7 EGR temperature sensor
OEM-A-17 O2 right front (OXR1)
OEM-A-6 O2 left front (OXL1)
OEM-D-12 Injector 1&7 (#10)
OEM-D-11 Injector 2&8 (#20)
OEM-C-2 Igniter 1 feedback (IGF1)
OEM-C-10 Igniter 2 feedback (IGF2)
OEM-D-6 ISC stepper coil 3 (ISC3)
GND
OEM-D-24 Injector 3&5 (#40)
OEM-D-25 Injector 4&6 (#30)
OEM-D-7 ISC stepper coil 2 (ISC2)
+12V ECU power supply
SP-14V · 4 pins
SP-0V · 6 pins
SP-GND · 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.
42 / 42 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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