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
RLY1-R-OUT Relay contact output (switched +12 V to load)
OEM-5
Stock ECU being replaced
F5Front VTEC solenoid valve
MAXXECUSTREE-C1-K1 INJ 1
MAXXECUSTREE-C1-M2 INJ 4
MAXXECUSTREE-C1-K2 INJ 2
MAXXECUSTREE-C1-M3 INJ 5
MAXXECUSTREE-C1-M1 INJ 3
MAXXECUSTREE-C1-L3 INJ 6
MAXXECUSTREE-C1-A4 GPO 8/TACHO
MAXXECUSTREE-C1-B4 GPO 1
MAXXECUSTREE-C1-C4 GPO 2
MAXXECUSTREE-C1-D4 GPO 3
MAXXECUSTREE-C1-A2 IGN 1
MAXXECUSTREE-C1-A3 IGN 2
GND
GND
ECU power (IGP1)
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1
2Injector 4
3Injector 2
4Injector 5
5Injector 3
6Injector 6
7Main relay
8Fuel pump relay 2 (FLR2)
15A/C clutch relay (ACC)
18Radiator fan control (FANCNTR)
21Ignition coil 1
22Ignition coil 2
23Power ground (PG1)
24Power ground (PG2)
25ECU power (IGP1)
26Sensor ground (LG1)
GND
MAXXECUSTREE-C1-C3 IGN 6
MAXXECUSTREE-C1-C2 IGN 5
MAXXECUSTREE-C1-B3 IGN 4
MAXXECUSTREE-C1-B2 IGN 3
0V sensor
MAXXECUSTREE-C1-H4 HOME
0V sensor
0V sensor
MAXXECUSTREE-C1-H3 TRIGGER
0V sensor
OEM-B
Stock ECU being replaced
2Chassis ground (LG2)
3Ignition coil 6
4Ignition coil 5
6Ignition coil 4
8Ignition coil 3
10CYL 2M — CYP sensor 2 return
11CYL 1P — CYP sensor 1 signal
12CYL 1M — CYP sensor 1 return
14CRNK 2M — TDC sensor return
15CRNK 1P — crank sensor signal
16CRNK 1M — crank sensor return
ECU power (IGP2)
MAXXECUSTREE-C1-K3 DIN 1
OEM-C
Stock ECU being replaced
1ECU power (IGP2)
2Vehicle speed sensor (VSS)
MAXXECUSTREE-C1-K4 DIN 2
MAXXECUSTREE-C1-G2 TPS/AIN
MAXXECUSTREE-C1-F1 CLT
MAXXECUSTREE-C1-J4 AIN 4 (0-5V)
MAXXECUSTREE-C1-F2 IAT
MAXXECUSTREE-C1-J3 AIN 3 (0-5V)
5V ref
5V ref
5V ref
0V sensor
0V sensor
OEM-D
Stock ECU being replaced
9Alternator FR signal
11Throttle position sensor (TPS)
13Engine coolant temperature (ECT)
14Primary O2 sensor
15Intake air temperature (IAT)
17MAP sensor
18+5V sensor supply (VCC)
19+5V sensor supply (VCC)
20+5V sensor supply (VCC)
21Sensor ground (SG)
22Sensor ground (SG)
MAXXECUSTREE
MAXXECUSTREE-C1
MAXXECUSTREE
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B2IGN 3
B3IGN 4
B4GPO 1
C2IGN 5
C3IGN 6
C4GPO 2
D1WBO2 Heater-
D4GPO 3
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 1
K4DIN 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-A-21 Ignition coil 1
OEM-A-22 Ignition coil 2
OEM-A-7 Main relay
OEM-B-8 Ignition coil 3
OEM-B-6 Ignition coil 4
OEM-A-8 Fuel pump relay 2 (FLR2)
OEM-B-4 Ignition coil 5
OEM-B-3 Ignition coil 6
OEM-A-15 A/C clutch relay (ACC)
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-A-18 Radiator fan control (FANCNTR)
OEM-D-13 Engine coolant temperature (ECT)
OEM-D-15 Intake air temperature (IAT)
5V ref
OEM-D-11 Throttle position sensor (TPS)
0V sensor
0V sensor
OEM-B-15 CRNK 1P — crank sensor signal
OEM-B-11 CYL 1P — CYP sensor 1 signal
OEM-D-17 MAP sensor
OEM-D-14 Primary O2 sensor
OEM-A-1 Injector 1
OEM-A-3 Injector 2
OEM-C-2 Vehicle speed sensor (VSS)
OEM-D-9 Alternator FR signal
OEM-A-6 Injector 6
GND
OEM-A-5 Injector 3
OEM-A-2 Injector 4
OEM-A-4 Injector 5
+12V ECU power supply
RLY1
RLY1-R
RLY1
INRelay contact input (switched +12 V)
OUTRelay contact output (switched +12 V to load)
COIL+Relay coil positive (switched +12 V)
COIL-Relay coil negative (ECU low-side driver)
SP-14V · 3 pins
OEM-5-F5 Front VTEC solenoid valve
Relay coil positive (switched +12 V)
MAXXECUSTREE-C1-D1 WBO2 Heater-
SP-GND · 5 pins
SP-0V · 10 pins
SP-14V · 6 pins
SP-5V1 · 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.
49 / 49 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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