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
M170-A-35 Analogue Voltage Input 7
M170-A-26 Analogue Voltage Input 1
M170-A-28 Analogue Temperature Input 1
M170-A-6 Analogue Voltage Input 3
M170-A-30 Analogue Temperature Input 3
M170-A-13 Universal Digital Input 7
5V ref
EFI main relay (B+)
EFI main relay (B1+)
M170-A-36 Analogue Voltage Input 6
M170-A-38 Analogue Temperature Input 2
M170-A-18 Analogue Voltage Input 2
0V sensor
M170-A-53 Universal Digital Input 6
M170-A-22 Universal Digital Input 8
GND
OEM-A
Stock ECU being replaced
2Starter signal (STA)
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+)
14Neutral start switch (NSW)
16Intake air temperature (THA)
17O2 right front (OXR1)
18Sensor ground (E2)
19Vehicle speed (SPD)
20Diagnostic test 2 (TE2)
22Power ground (E1)
M170-A-63 Peak Hold Injector 3
M170-A-66 Peak Hold Injector 4
M170-A-24 Peak Hold Injector 5
M170-A-7 Analogue Voltage Input 4
M170-A-44 Analogue Voltage Input 8
M170-A-12 Analogue Voltage Input 5
Battery constant (BATT)
OEM-B
Stock ECU being replaced
4EFI main relay control (MREL)
6Fuel pump relay (FPR)
7A/C clutch relay (ACMG)
11O2 right rear (OXR2)
19Stop light switch (BK)
24O2 left rear (OXL2)
26Battery constant (BATT)
M170-A-45 Universal Digital Input 4
M170-A-29 Knock Input 1
M170-A-1 Low Side Ignition 1
M170-A-46 Universal Digital Input 3
M170-A-56 Universal Digital Input 2
M170-A-49 Universal Digital Input 1
M170-A-52 Universal Digital Input 5
M170-A-60 Knock Input 2
M170-A-5 Low Side Ignition 2
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
2Igniter 1 feedback (IGF1)
3Knock sensor 1 (KNK1)
5Ignition 1 (IGT1)
6Cam sensor 2 + (G2+)
7Cam sensor 1 + (G1+)
8Crank sensor + (NE+)
10Igniter 2 feedback (IGF2)
11Knock sensor 2 (KNK2)
13Ignition 2 (IGT2)
15Cam sensor ground (G-)
16Crank sensor - (NE-)
M170-A-43 Low Side Injector 1
M170-A-33 Peak Hold Injector 1
GND
M170-A-62 Peak Hold Injector 8
M170-A-42 Peak Hold Injector 6
M170-A-57 Peak Hold Injector 7
M170-A-50 Peak Hold Injector 2
M170-A-51 Low Side Injector 2
GND
OEM-D
Stock ECU being replaced
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)
M170
M170-A
M170
1Low Side Ignition 1
5Low Side Ignition 2
6Analogue Voltage Input 3
7Analogue Voltage Input 4
11Sensor 0V A
12Analogue Voltage Input 5
13Universal Digital Input 7
14Battery Negative 1
15Battery Negative 2
16Sensor 5.0V A
18Analogue Voltage Input 2
19Battery Negative 3
20Battery Negative 4
21Battery Negative 5
22Universal Digital Input 8
23Battery Positive
24Peak Hold Injector 5
26Analogue Voltage Input 1
27Sensor 0V B
28Analogue Temperature Input 1
29Knock Input 1
30Analogue Temperature Input 3
32Battery Positive
33Peak Hold Injector 1
35Analogue Voltage Input 7
36Analogue Voltage Input 6
38Analogue Temperature Input 2
41Battery Positive
42Peak Hold Injector 6
43Low Side Injector 1
44Analogue Voltage Input 8
45Universal Digital Input 4
46Universal Digital Input 3
49Universal Digital Input 1
50Peak Hold Injector 2
51Low Side Injector 2
52Universal Digital Input 5
53Universal Digital Input 6
54Battery Backup
56Universal Digital Input 2
57Peak Hold Injector 7
60Knock Input 2
62Peak Hold Injector 8
63Peak Hold Injector 3
66Peak Hold Injector 4
OEM-C-5 Ignition 1 (IGT1)
OEM-C-13 Ignition 2 (IGT2)
OEM-A-6 O2 left front (OXL1)
OEM-B-11 O2 right rear (OXR2)
0V sensor
OEM-B-24 O2 left rear (OXL2)
OEM-A-9 Diagnostic test 1 (TE1)
GND
GND
5V ref
OEM-A-17 O2 right front (OXR1)
GND
GND
GND
OEM-A-20 Diagnostic test 2 (TE2)
Battery Positive
OEM-B-7 A/C clutch relay (ACMG)
OEM-A-4 Throttle position (VTA1)
0V sensor
OEM-A-5 Coolant temperature (THW)
OEM-C-3 Knock sensor 1 (KNK1)
OEM-A-7 EGR temperature sensor
Battery Positive
OEM-D-12 Injector 1&7 (#10)
OEM-A-2 Starter signal (STA)
OEM-A-14 Neutral start switch (NSW)
OEM-A-16 Intake air temperature (THA)
Battery Positive
OEM-D-19 O2 heater 2 (HT2)
OEM-D-11 Injector 2&8 (#20)
OEM-B-19 Stop light switch (BK)
OEM-C-2 Igniter 1 feedback (IGF1)
OEM-C-6 Cam sensor 2 + (G2+)
OEM-C-8 Crank sensor + (NE+)
OEM-D-24 Injector 3&5 (#40)
OEM-D-25 Injector 4&6 (#30)
OEM-C-10 Igniter 2 feedback (IGF2)
OEM-A-19 Vehicle speed (SPD)
Battery Backup
OEM-C-7 Cam sensor 1 + (G1+)
OEM-D-20 O2 heater 1 (HT1)
OEM-C-11 Knock sensor 2 (KNK2)
OEM-D-17 Cold start injector 1 (STJ1)
OEM-B-4 EFI main relay control (MREL)
OEM-B-6 Fuel pump relay (FPR)
SP-14V · 6 pins
SP-GND · 9 pins
SP-0V · 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.
53 / 53 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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