100%
Stock ECU being replaced
M170-A-65 Half Bridge Output 4
5 no data
7–8 no data
M170-A-45 Universal Digital Input 4
11 no data
M170-A-58 Half Bridge Output 5
14 no data
M170-A-63 Peak Hold Injector 3
M170-A-66 Peak Hold Injector 4
M170-A-24 Peak Hold Injector 5
M170-A-64 Half Bridge Output 6
M170-A-42 Peak Hold Injector 6
22 no data
M170-A-6 Analogue Voltage Input 3
M170-A-53 Universal Digital Input 6
M170-A-13 Universal Digital Input 7
M170-A-22 Universal Digital Input 8
M170-A-57 Peak Hold Injector 7
M170-A-36 Analogue Voltage Input 6
M170-A-35 Analogue Voltage Input 7
31 no data
OEM-A
Stock ECU being replaced
1Coolant temp gauge drive
5 no data
7–8 no data
9Vehicle speed sensor
11 no data
12Immobilizer indicator light
14 no data
15Fuel pump relay (USDM)
16Fuel pump relay (JDM)
17A/C clutch relay
18Check engine light (MIL)
20Radiator fan relay
22 no data
23Secondary O2 sensor
24Starter switch signal
26Power steering load detect
27A/C switch (request)
28Air pump relay
29Fuel tank pressure sensor
30Electrical load detector
31 no data
Power source 1 (main relay)
GND
M170-A-43 Low Side Injector 1
M170-A-50 Peak Hold Injector 2
M170-A-51 Low Side Injector 2
6–8 no data
Power source 2 (main relay)
GND
M170-A-33 Peak Hold Injector 1
M170-A-9 Half Bridge Output 1
13–19 no data
GND
Backup power (battery constant)
GND
M170-A-62 Peak Hold Injector 8
24–25 no data
OEM-B
Stock ECU being replaced
1Power source 1 (main relay)
2Power ground 1
3Injector 2
4Injector 3
5Injector 4
6–8 no data
9Power source 2 (main relay)
10Power ground 2
11Injector 1
12VTEC solenoid
13–19 no data
20Ground
21Backup power (battery constant)
22Ground
23Idle air control valve
24–25 no data
M170-A-8 Half Bridge Output 2
M170-A-1 Low Side Ignition 1
M170-A-52 Universal Digital Input 5
6 no data
0V sensor
M170-A-49 Universal Digital Input 1
SP-0V · 2 pins
M170-A-59 Half Bridge Output 3
M170-A-5 Low Side Ignition 2
M170-A-4 Low Side Ignition 3
M170-A-10 Low Side Ignition 4
M170-A-7 Analogue Voltage Input 4
M170-A-12 Analogue Voltage Input 5
M170-A-26 Analogue Voltage Input 1
0V sensor
5V ref
M170-A-56 Universal Digital Input 2
SP-0V · 2 pins
23 no data
M170-A-44 Analogue Voltage Input 8
M170-A-38 Analogue Temperature Input 2
M170-A-28 Analogue Temperature Input 1
M170-A-18 Analogue Voltage Input 2
5V ref
M170-A-46 Universal Digital Input 3
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
1Primary O2 heater
4Ignition coil 1
5Alternator FR signal
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
11Secondary O2 heater control
12Ignition coil 2
13Ignition coil 3
14Ignition coil 4
15Secondary O2 sensor
16Primary O2 sensor
17MAP sensor
18Sensor ground 2
19Sensor 5V supply 1 (MAP)
20Cam (TDC1) sensor +
21Cam (TDC1) sensor −
23 no data
24Air pump electric current sensor
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
28Sensor 5V supply 2
29Cam (TDC2) sensor +
30Cam (TDC2) sensor −
31Timing ground
1–16 no data
OEM-D
Stock ECU being replaced
1–16 no data
M170
M170-A
M170
1Low Side Ignition 1
4Low Side Ignition 3
5Low Side Ignition 2
6Analogue Voltage Input 3
7Analogue Voltage Input 4
8Half Bridge Output 2
9Half Bridge Output 1
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
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
32Battery Positive
33Peak Hold Injector 1
34Sensor 5.0V B
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
58Half Bridge Output 5
59Half Bridge Output 3
62Peak Hold Injector 8
63Peak Hold Injector 3
64Half Bridge Output 6
65Half Bridge Output 4
66Peak Hold Injector 4
OEM-C-4 Ignition coil 1
OEM-C-13 Ignition coil 3
OEM-C-12 Ignition coil 2
OEM-A-23 Secondary O2 sensor
OEM-C-15 Secondary O2 sensor
OEM-C-1 Primary O2 heater
OEM-B-12 VTEC solenoid
OEM-C-14 Ignition coil 4
0V sensor
OEM-C-16 Primary O2 sensor
OEM-A-26 Power steering load detect
GND
GND
5V ref
OEM-C-27 Throttle position sensor
GND
GND
GND
OEM-A-27 A/C switch (request)
Battery Positive
OEM-A-17 A/C clutch relay
OEM-C-17 MAP sensor
0V sensor
OEM-C-26 Coolant temp sensor
Battery Positive
OEM-B-11 Injector 1
5V ref
OEM-A-30 Electrical load detector
OEM-A-29 Fuel tank pressure sensor
OEM-C-25 Intake air temp sensor
Battery Positive
OEM-A-20 Radiator fan relay
OEM-B-3 Injector 2
OEM-C-24 Air pump electric current sensor
OEM-A-9 Vehicle speed sensor
OEM-C-29 Cam (TDC2) sensor +
OEM-C-8 Crank sensor + (CKP+)
OEM-B-4 Injector 3
OEM-B-5 Injector 4
OEM-C-5 Alternator FR signal
OEM-A-24 Starter switch signal
Battery Backup
OEM-C-20 Cam (TDC1) sensor +
OEM-A-28 Air pump relay
OEM-A-12 Immobilizer indicator light
OEM-C-11 Secondary O2 heater control
OEM-B-23 Idle air control valve
OEM-A-15 Fuel pump relay (USDM)
OEM-A-18 Check engine light (MIL)
OEM-A-1 Coolant temp gauge drive
OEM-A-16 Fuel pump relay (JDM)
SP-GND · 10 pins
SP-14V · 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.