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
5V ref
MAXXECUMINI-C1-B2 DIN 2 (Hall only)
MAXXECUMINI-C1-A1 TRIGGER
0V sensor
MAXXECUMINI-C1-D2 TPS
MAXXECUMINI-C1-C3 AIN 3 (0-5V)
0V sensor
MAXXECUMINI-C1-C4 AIN 4 (0-5V)
MAXXECUMINI-C1-C2 IAT
0V sensor
MAXXECUMINI-C1-C1 CLT
0V sensor
OEM-C84
Stock ECU being replaced
1Sensor supply +5V (VCC)
4No.2 speed sensor (SP2-)
5Crank position (NE)
6Crank sensor return (NE-)
7Throttle position (VTA1)
8Manifold pressure (PIM)
11Cam 1 return (G1-)
12TRAC throttle position (VTA2)
14Intake air temperature (THA)
17Cam 2 return (G2-)
20Coolant temperature (THW)
22Sensor ground (E2)
MAXXECUMINI-C1-G2 GPO 1
GND
OEM-C85
Stock ECU being replaced
2EFI main relay control (M-REL)
16Power ground (E1)
MAXXECUMINI-C1-G1 GPO 2
MAXXECUMINI-C1-B1 DIN 1 (Hall only)
EFI main relay power (+B)
EFI main relay power (+B1)
OEM-C86
Stock ECU being replaced
5A/C clutch relay (ACMG)
12No.1 speed sensor (SP1)
22EFI main relay power (+B)
23EFI main relay power (+B1)
MAXXECUMINI-C1-E1 GPO 3
MAXXECUMINI-C1-H2 INJ 3
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-D1 GPO 8/TACHO
MAXXECUMINI-C1-F3 IGN 3
MAXXECUMINI-C1-F2 IGN 2
MAXXECUMINI-C1-H3 INJ 4
MAXXECUMINI-C1-F1 IGN 1
MAXXECUMINI-C1-F4 IGN 4
GND
GND
GND
OEM-C88
Stock ECU being replaced
3O2 heater (HT)
8Injector 3 (#30, cyl 2&6)
9Injector 2 (#20, cyl 3&5)
10Injector 1 (#10, cyl 1&4)
11A/T shift solenoid 1 (S1)
15Ignition 3 (IGT3)
16Ignition 2 (IGT2)
23ISC stepper coil 1 (ISCV1)
24Ignition 1 (IGT1)
26Ignition 4 (IGT4)
28Power ground (E11)
33Power ground (E02)
34Power ground (E01)
MAXXECUMINI
MAXXECUMINI-C1
MAXXECUMINI
A1TRIGGER
A2TRIGGER GND
B1DIN 1 (Hall only)
B2DIN 2 (Hall only)
B3SENSOR GND
B4SENSOR GND
C1CLT
C2IAT
C3AIN 3 (0-5V)
C4AIN 4 (0-5V)
D1GPO 8/TACHO
D2TPS
D4SENSOR GND
E1GPO 3
E2+5V sensor supply
F1IGN 1
F2IGN 2
F3IGN 3
F4IGN 4
G1GPO 2
G2GPO 1
G3INJ 1
G4ENGINE GND
H1INJ 2
H2INJ 3
H3INJ 4
H4+12V (ECU power supply)
OEM-C84-5 Crank position (NE)
0V sensor
OEM-C86-12 No.1 speed sensor (SP1)
OEM-C84-4 No.2 speed sensor (SP2-)
0V sensor
0V sensor
OEM-C84-20 Coolant temperature (THW)
OEM-C84-14 Intake air temperature (THA)
OEM-C84-8 Manifold pressure (PIM)
OEM-C84-12 TRAC throttle position (VTA2)
OEM-C88-11 A/T shift solenoid 1 (S1)
OEM-C84-7 Throttle position (VTA1)
0V sensor
OEM-C88-3 O2 heater (HT)
5V ref
OEM-C88-24 Ignition 1 (IGT1)
OEM-C88-16 Ignition 2 (IGT2)
OEM-C88-15 Ignition 3 (IGT3)
OEM-C88-26 Ignition 4 (IGT4)
OEM-C86-5 A/C clutch relay (ACMG)
OEM-C85-2 EFI main relay control (M-REL)
OEM-C88-10 Injector 1 (#10, cyl 1&4)
GND
OEM-C88-9 Injector 2 (#20, cyl 3&5)
OEM-C88-8 Injector 3 (#30, cyl 2&6)
OEM-C88-23 ISC stepper coil 1 (ISCV1)
+12V (ECU power supply)
SP-0V · 9 pins
SP-14V · 4 pins
SP-GND · 6 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.
37 / 37 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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