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
M170-A-22 Universal Digital Input 8
M170-A-52 Universal Digital Input 5
M170-A-49 Universal Digital Input 1
0V sensor
M170-A-18 Analogue Voltage Input 2
M170-A-26 Analogue Voltage Input 1
M170-A-53 Universal Digital Input 6
M170-A-56 Universal Digital Input 2
0V sensor
M170-A-6 Analogue Voltage Input 3
M170-A-7 Analogue Voltage Input 4
M170-A-38 Analogue Temperature Input 2
M170-A-13 Universal Digital Input 7
M170-A-46 Universal Digital Input 3
0V sensor
M170-A-28 Analogue Temperature Input 1
0V sensor
OEM-C84
Stock ECU being replaced
1Sensor supply +5V (VCC)
3OD direct-clutch speed sensor (NCO-)
4No.2 speed sensor (SP2-)
5Crank position (NE)
6Crank sensor return (NE-)
7Throttle position (VTA1)
8Manifold pressure (PIM)
9No.2 speed sensor (SP2+)
10Cam position 1 (G1)
11Cam 1 return (G1-)
12TRAC throttle position (VTA2)
13O2 sensor (OX1)
14Intake air temperature (THA)
15OD direct-clutch speed sensor (NCO+)
16Cam position 2 (G2)
17Cam 2 return (G2-)
20Coolant temperature (THW)
22Sensor ground (E2)
M170-A-51 Low Side Injector 2
M170-A-12 Analogue Voltage Input 5
GND
OEM-C85
Stock ECU being replaced
2EFI main relay control (M-REL)
5Diagnostic test 1 (TE1)
16Power ground (E1)
M170-A-63 Peak Hold Injector 3
M170-A-36 Analogue Voltage Input 6
M170-A-35 Analogue Voltage Input 7
M170-A-44 Analogue Voltage Input 8
M170-A-45 Universal Digital Input 4
M170-A-30 Analogue Temperature Input 3
Battery constant (BATT)
EFI main relay power (+B)
EFI main relay power (+B1)
OEM-C86
Stock ECU being replaced
5A/C clutch relay (ACMG)
7A/T overdrive disable 1 (OD1)
10A/T 2nd-gear indicator (2)
11Diagnostic test 2 (TE2)
12No.1 speed sensor (SP1)
13Cat temperature sensor (CCO)
14Battery constant (BATT)
22EFI main relay power (+B)
23EFI main relay power (+B1)
M170-A-66 Peak Hold Injector 4
M170-A-60 Knock Input 2
M170-A-29 Knock Input 1
M170-A-50 Peak Hold Injector 2
M170-A-43 Low Side Injector 1
M170-A-33 Peak Hold Injector 1
M170-A-24 Peak Hold Injector 5
M170-A-4 Low Side Ignition 3
M170-A-5 Low Side Ignition 2
M170-A-57 Peak Hold Injector 7
M170-A-62 Peak Hold Injector 8
M170-A-42 Peak Hold Injector 6
M170-A-1 Low Side Ignition 1
M170-A-10 Low Side Ignition 4
GND
M170-A-25 Low Side Ignition 6
M170-A-17 Low Side Ignition 5
GND
GND
OEM-C88
Stock ECU being replaced
3O2 heater (HT)
4Knock sensor 2 (KNK2, rear)
5Knock sensor 1 (KNK1, front)
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)
17A/T shift solenoid 2 (S2)
22ISC stepper coil 2 (ISCV2)
23ISC stepper coil 1 (ISCV1)
24Ignition 1 (IGT1)
26Ignition 4 (IGT4)
28Power ground (E11)
29Ignition 6 (IGT6)
30Ignition 5 (IGT5)
33Power ground (E02)
34Power ground (E01)
M170
M170-A
M170
1Low Side Ignition 1
4Low Side Ignition 3
5Low Side Ignition 2
6Analogue Voltage Input 3
7Analogue Voltage Input 4
10Low Side Ignition 4
11Sensor 0V A
12Analogue Voltage Input 5
13Universal Digital Input 7
14Battery Negative 1
15Battery Negative 2
16Sensor 5.0V A
17Low Side Ignition 5
18Analogue Voltage Input 2
19Battery Negative 3
20Battery Negative 4
21Battery Negative 5
22Universal Digital Input 8
23Battery Positive
24Peak Hold Injector 5
25Low Side Ignition 6
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-C88-24 Ignition 1 (IGT1)
OEM-C88-15 Ignition 3 (IGT3)
OEM-C88-16 Ignition 2 (IGT2)
OEM-C84-12 TRAC throttle position (VTA2)
OEM-C84-13 O2 sensor (OX1)
OEM-C88-26 Ignition 4 (IGT4)
0V sensor
OEM-C85-5 Diagnostic test 1 (TE1)
OEM-C84-15 OD direct-clutch speed sensor (NCO+)
GND
GND
5V ref
OEM-C88-30 Ignition 5 (IGT5)
OEM-C84-7 Throttle position (VTA1)
GND
GND
GND
OEM-C84-3 OD direct-clutch speed sensor (NCO-)
Battery Positive
OEM-C88-11 A/T shift solenoid 1 (S1)
OEM-C88-29 Ignition 6 (IGT6)
OEM-C84-8 Manifold pressure (PIM)
0V sensor
OEM-C84-20 Coolant temperature (THW)
OEM-C88-5 Knock sensor 1 (KNK1, front)
OEM-C86-13 Cat temperature sensor (CCO)
Battery Positive
OEM-C88-10 Injector 1 (#10, cyl 1&4)
OEM-C86-10 A/T 2nd-gear indicator (2)
OEM-C86-7 A/T overdrive disable 1 (OD1)
OEM-C84-14 Intake air temperature (THA)
Battery Positive
OEM-C88-23 ISC stepper coil 1 (ISCV1)
OEM-C88-9 Injector 2 (#20, cyl 3&5)
OEM-C86-11 Diagnostic test 2 (TE2)
OEM-C86-12 No.1 speed sensor (SP1)
OEM-C84-16 Cam position 2 (G2)
OEM-C84-5 Crank position (NE)
OEM-C88-8 Injector 3 (#30, cyl 2&6)
OEM-C85-2 EFI main relay control (M-REL)
OEM-C84-4 No.2 speed sensor (SP2-)
OEM-C84-9 No.2 speed sensor (SP2+)
Battery Backup
OEM-C84-10 Cam position 1 (G1)
OEM-C88-17 A/T shift solenoid 2 (S2)
OEM-C88-4 Knock sensor 2 (KNK2, rear)
OEM-C88-22 ISC stepper coil 2 (ISCV2)
OEM-C86-5 A/C clutch relay (ACMG)
OEM-C88-3 O2 heater (HT)
SP-0V · 7 pins
SP-GND · 10 pins
SP-14V · 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.