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
ECU power (+B2, main relay)
GND
M800-B-22 AV8
M800-B-4 Analog Temperature Input 2
M800-B-8 Digital Input 1
M800-B-9 Digital Input 2
M800-B-10 Digital Input 3
M800-B-11 Digital Input 4
M800-B-24 CAN Bus Low
M800-B-23 CAN Bus High
M800-A-24 AUX4
M800-A-14 AV1
0V sensor
OEM-A33
Stock ECU being replaced
1ECU power (+B2, main relay)
4Power ground (EC)
8A/C pressure sensor (ACP)
12Intake air temperature (THA, in MAF)
14Starter signal (STSW2)
15Clutch switch (CLSW)
16Neutral switch (NSW)
17Starter signal (STSW2)
18CAN low (CANL)
19CAN high (CANH)
20Blower relay (HB)
22Mass air flow (VG)
29MAF sensor ground (E2G)
GND
GND
GND
ECU power (+B, main relay)
M800-B-2 Cam Sync Timing Input
M800-B-1 Crank Reference Timing Input
M800-A-15 Analog Voltage Input 2
M800-B-21 AV7
0V sensor
5V ref
OEM-A34
Stock ECU being replaced
1Power ground (E03)
2Power ground (E04)
3Power ground (E05)
6ECU power (+B, main relay)
14VVT cam sensor exhaust bank 1 (EV1+)
16Crank position (NE+)
20Manifold absolute pressure (PIM)
21Heated oxygen sensor (OX1B, rear)
27Crank position return (NE-)
34OCV power source (VCV, 5V)
M800-A-33 AUX7
M800-A-34 AUX8
M800-A-23 AUX3
M800-A-1 AUX2
M800-A-18 AUX1
M800-A-31 AUX5
5V ref
5V ref
M800-A-25 Analog Voltage Input 5
0V sensor
0V sensor
M800-A-16 Analog Voltage Input 3
M800-A-32 AUX6
OEM-A35
Stock ECU being replaced
5Injector relay (IREL)
7ETCS relay (+BM)
11Cooling fan relay 3 (FAN1)
12Cooling fan relay 2 (FAN2)
13EFI main relay 1 (SSHUT)
17ETCS relay (MCR)
21Accelerator pedal 5V supply (VCPA)
22Accelerator pedal 5V supply (VCP2)
23Accelerator pedal position (VPA)
29Accelerator pedal ground (EPA)
30Accelerator pedal ground (EPA2)
31Accelerator pedal position 2 (VPA2)
35A/C clutch relay (AC)
GND
GND
M800-A-6 IGN4
M800-A-4 IGN2
M800-A-19 INJ1
M800-A-29 INJ7
M800-A-20 INJ2
M800-B-20 Analog Voltage Input 6
5V ref
M800-B-5 Analog Temperature Input 3
M800-A-3 IGN1
M800-A-21 INJ3
M800-A-30 INJ8
M800-A-27 INJ5
M800-A-22 INJ4
M800-A-17 Analog Voltage Input 4
0V sensor
M800-B-3 Analog Temperature Input 1
M800-A-5 IGN3
M800-A-28 INJ6
OEM-A36
Stock ECU being replaced
3Power ground (E02)
4Power ground (E01)
8Ignition coil 4 (IGT4)
10Ignition coil 2 (IGT2)
12Injector 1 port (#10)
13Injector 4 port (#40)
14Injector 1 direct (#1)
18Throttle position (VTA1)
19Sensor 5V supply (VC)
20Oil temperature (OT)
21Ignition coil 1 (IGT1)
22Injector 2 port (#20)
23Injector 4 direct (#4)
24Injector 3 direct (#3)
25Injector 2 direct (#2)
28Throttle position 2 (VTA2)
29Sensor ground (E1)
30Engine coolant temperature (THW)
31Ignition coil 3 (IGT3)
32Injector 3 port (#30)
M800
M800-A
M800
1AUX2
25V Engine Sensor Supply
3IGN1
4IGN2
5IGN3
6IGN4
10GND Battery Negative
11GND Battery Negative
14AV1
15Analog Voltage Input 2
16Analog Voltage Input 3
17Analog Voltage Input 4
18AUX1
19INJ1
20INJ2
21INJ3
22INJ4
23AUX3
24AUX4
25Analog Voltage Input 5
26VBAT Battery Positive
27INJ5
28INJ6
29INJ7
30INJ8
31AUX5
32AUX6
33AUX7
34AUX8
OEM-A35-12 Cooling fan relay 2 (FAN2)
5V ref
OEM-A36-21 Ignition coil 1 (IGT1)
OEM-A36-10 Ignition coil 2 (IGT2)
OEM-A36-31 Ignition coil 3 (IGT3)
OEM-A36-8 Ignition coil 4 (IGT4)
GND
GND
OEM-A33-22 Mass air flow (VG)
OEM-A34-20 Manifold absolute pressure (PIM)
OEM-A35-31 Accelerator pedal position 2 (VPA2)
OEM-A36-28 Throttle position 2 (VTA2)
OEM-A35-13 EFI main relay 1 (SSHUT)
OEM-A36-12 Injector 1 port (#10)
OEM-A36-14 Injector 1 direct (#1)
OEM-A36-22 Injector 2 port (#20)
OEM-A36-25 Injector 2 direct (#2)
OEM-A35-11 Cooling fan relay 3 (FAN1)
OEM-A33-20 Blower relay (HB)
OEM-A35-23 Accelerator pedal position (VPA)
VBAT Battery Positive
OEM-A36-24 Injector 3 direct (#3)
OEM-A36-32 Injector 3 port (#30)
OEM-A36-13 Injector 4 port (#40)
OEM-A36-23 Injector 4 direct (#4)
OEM-A35-17 ETCS relay (MCR)
OEM-A35-35 A/C clutch relay (AC)
OEM-A35-5 Injector relay (IREL)
OEM-A35-7 ETCS relay (+BM)
M800-B
M800
1Crank Reference Timing Input
2Cam Sync Timing Input
3Analog Temperature Input 1
4Analog Temperature Input 2
5Analog Temperature Input 3
8Digital Input 1
9Digital Input 2
10Digital Input 3
11Digital Input 4
140V Comms Reference
150V Auxiliary Sensor Supply
160V Engine Sensor Supply
20Analog Voltage Input 6
21AV7
22AV8
23CAN Bus High
24CAN Bus Low
OEM-A34-16 Crank position (NE+)
OEM-A34-14 VVT cam sensor exhaust bank 1 (EV1+)
OEM-A36-30 Engine coolant temperature (THW)
OEM-A33-12 Intake air temperature (THA, in MAF)
OEM-A36-20 Oil temperature (OT)
OEM-A33-14 Starter signal (STSW2)
OEM-A33-15 Clutch switch (CLSW)
OEM-A33-16 Neutral switch (NSW)
OEM-A33-17 Starter signal (STSW2)
0V sensor
0V sensor
0V sensor
OEM-A36-18 Throttle position (VTA1)
OEM-A34-21 Heated oxygen sensor (OX1B, rear)
OEM-A33-8 A/C pressure sensor (ACP)
OEM-A33-19 CAN high (CANH)
OEM-A33-18 CAN low (CANL)
SP-14V · 4 pins
SP-GND · 9 pins
SP-5V1 · 6 pins
SP-0V · 9 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.
63 / 63 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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