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
GND
MAXXECURACE-C1-L3 INJ 6
MAXXECURACE-C1-K2 INJ 2
MAXXECURACE-C1-M2 INJ 4
MAXXECURACE-C1-B1 GPO 6
MAXXECURACE-C1-C4 GPO 2
GND
MAXXECURACE-C1-A2 IGN 1
MAXXECURACE-C1-D4 GPO 3
GND
MAXXECURACE-C1-F1 CLT
MAXXECURACE-C1-J1 AIN 1 (temperature)
0V sensor
MAXXECURACE-C1-J3 AIN 3 (0-5V)
MAXXECURACE-C1-J4 AIN 4 (0-5V)
MAXXECURACE-C1-A4 GPO 8/TACHO
ECU main power (from engine-electronics relay)
MAXXECURACE-C1-K1 INJ 1
MAXXECURACE-C1-M3 INJ 5
MAXXECURACE-C1-M1 INJ 3
MAXXECURACE-C1-E4 GPO 4
MAXXECURACE-C1-A1 GPO 5
0V sensor
MAXXECURACE-C2-E2 Knock 1
MAXXECURACE-C1-F2 IAT
MAXXECURACE-C1-K4 DIN/VR 2
MAXXECURACE-C2-F3 DIN/VR 4
MAXXECURACE-C1-G2 TPS/AIN
5V ref
MAXXECURACE-C1-H4 HOME
MAXXECURACE-C1-B4 GPO 1
MAXXECURACE-C1-B2 IGN 3
MAXXECURACE-C1-C1 GPO 7
GND
GND
MAXXECURACE-C1-A3 IGN 2
MAXXECURACE-C1-K3 DIN/VR 1
0V sensor
MAXXECURACE-C1-H3 TRIGGER
OEM-A
Stock ECU being replaced
1Ground (E-1)
2Injector 6 (cyl 6)
3Injector 2 (cyl 2)
4Injector 4 (cyl 4)
5Check engine light (MIL)
6Fuel pump relay control
7Ground (E-2)
8Ignition coil 2 (coil pack pin 2)
9Engine electronics relay control
10Ground (OBD1 EGR enable)
14Coolant temperature (CLT)
15EGR temperature sensor
16MAF ground
17MAF signal
20O2 sensor 1 (primary)
22Tachometer output
23ECU main power (from engine-electronics relay)
24Injector 1 (cyl 1)
25Injector 5 (cyl 5)
26Injector 3 (cyl 3)
27Idle air control valve
31EVAP canister purge valve
33Sensor ground bus
34Knock sensor 1
36Intake air temperature (IAT)
37A/C compressor switch
39A/C switch (cabin)
40Throttle position sensor 1
41TPS power (+5V)
44Camshaft position sensor (G40)
49Secondary air injection relay control
52Ignition coil 4 (coil pack pin 4)
53Idle air control valve (2nd)
55Ground (E-3)
56Ground (E-4)
60Ignition coil 3 (coil pack pin 3)
65Vehicle speed sensor (VSS)
67Crank sensor return (VR-)
68Crank position sensor (G28, VR+)
MAXXECURACE
MAXXECURACE-C1
MAXXECURACE
A1GPO 5
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 6
B2IGN 3
B4GPO 1
C1GPO 7
C4GPO 2
D4GPO 3
E4GPO 4
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/VR 1
K4DIN/VR 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-A-31 EVAP canister purge valve
OEM-A-8 Ignition coil 2 (coil pack pin 2)
OEM-A-60 Ignition coil 3 (coil pack pin 3)
OEM-A-22 Tachometer output
OEM-A-5 Check engine light (MIL)
OEM-A-52 Ignition coil 4 (coil pack pin 4)
OEM-A-49 Secondary air injection relay control
OEM-A-53 Idle air control valve (2nd)
OEM-A-6 Fuel pump relay control
OEM-A-9 Engine electronics relay control
OEM-A-27 Idle air control valve
OEM-A-14 Coolant temperature (CLT)
OEM-A-36 Intake air temperature (IAT)
5V ref
OEM-A-40 Throttle position sensor 1
0V sensor
0V sensor
OEM-A-68 Crank position sensor (G28, VR+)
OEM-A-44 Camshaft position sensor (G40)
OEM-A-15 EGR temperature sensor
OEM-A-17 MAF signal
OEM-A-20 O2 sensor 1 (primary)
OEM-A-24 Injector 1 (cyl 1)
OEM-A-3 Injector 2 (cyl 2)
OEM-A-65 Vehicle speed sensor (VSS)
OEM-A-37 A/C compressor switch
OEM-A-2 Injector 6 (cyl 6)
GND
OEM-A-26 Injector 3 (cyl 3)
OEM-A-4 Injector 4 (cyl 4)
OEM-A-25 Injector 5 (cyl 5)
+12V ECU power supply
MAXXECURACE-C2
MAXXECURACE
E2Knock 1
F3DIN/VR 4
G4ENGINE GROUND
OEM-A-34 Knock sensor 1
OEM-A-39 A/C switch (cabin)
GND
SP-0V · 6 pins
SP-GND · 8 pins
SP-14V · 3 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.
44 / 44 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
| Wire | From | To | Signal | Gauge | Colour | Stripe | Ident | Flags | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |