100%
Stock ECU being replaced
M190-A-48 Low Side Injector 5
M190-B-T Low Side Injector 6
M190-A-25 Low Side Injector 7
M190-A-10 Low Side Injector 8
5 no data
M190-A-47 Low Side Injector 9
7–8 no data
M190-C-27 Universal Digital Input 4
11 no data
M190-B-a Low Side Injector 5
14 no data
M190-A-2 Low Side Injector 2
M190-B-V Low Side Injector 2
M190-A-1 Low Side Injector 3
M190-A-40 Low Side Injector 6
M190-B-b Low Side Injector 3
22 no data
M190-A-7 Lambda Narrow Input 1
M190-A-21 Digital Input 1
M190-A-14 Digital Input 2
M190-A-30 Digital Input 3
M190-A-5 Low Side Injector 4
M190-C-28 Analogue Voltage Input 4
M190-C-29 Analogue Voltage Input 5
31 no data
M190-A-37 Digital Input 4
OEM-A
Stock ECU being replaced
1Coolant temp gauge drive
2Air control valve solenoid
3Evap bypass solenoid
4Evap canister vent shut valve
5 no data
6Evap canister purge valve
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
32Brake switch
Power source 1 (main relay)
GND
M190-A-3 Low Side Injector 1
M190-B-U Low Side Injector 1
M190-A-12 Peak Hold Injector 2
6–8 no data
Power source 2 (main relay)
GND
M190-A-11 Peak Hold Injector 1
M190-B-A Half Bridge Output 1
13–19 no data
GND
Backup power (battery constant)
GND
M190-B-S Low Side Injector 4
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
M190-B-B Half Bridge Output 2
M190-A-32 Low Side Injector 10
M190-C-16 Low Side Ignition 1
M190-C-40 Universal Digital Input 5
6 no data
0V sensor
M190-C-18 Universal Digital Input 1
SP-0V · 7 pins
M190-C-47 Universal Digital Input 6
M190-B-C Half Bridge Output 3
M190-C-8 Low Side Ignition 2
M190-C-2 Low Side Ignition 3
M190-C-1 Low Side Ignition 4
M190-A-6 Lambda Narrow Input 2
M190-C-35 Analogue Voltage Input 3
M190-C-42 Analogue Voltage Input 1
0V sensor
5V ref
M190-C-32 Universal Digital Input 2
SP-0V · 7 pins
23 no data
M190-C-11 Analogue Voltage Input 6
M190-C-39 Analogue Temperature Input 2
M190-C-37 Analogue Temperature Input 1
M190-C-36 Analogue Voltage Input 2
5V ref
M190-C-25 Universal Digital Input 3
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
1Primary O2 heater
2Alternator control
4Ignition coil 1
5Alternator FR signal
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
10VTEC pressure switch
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
M190
M190-A
M190
1Low Side Injector 3
2Low Side Injector 2
3Low Side Injector 1
5Low Side Injector 4
6Lambda Narrow Input 2
7Lambda Narrow Input 1
8Sensor 5.0V C1
10Low Side Injector 8
11Peak Hold Injector 1
12Peak Hold Injector 2
14Digital Input 2
16Sensor 5.0V C3
18Sensor 0V C1
19Sensor 0V C2
20Sensor 0V C3
21Digital Input 1
25Low Side Injector 7
30Digital Input 3
32Low Side Injector 10
37Digital Input 4
38Battery Backup
40Low Side Injector 6
47Low Side Injector 9
48Low Side Injector 5
OEM-A-17 A/C clutch relay
OEM-A-15 Fuel pump relay (USDM)
OEM-B-3 Injector 2
OEM-A-28 Air pump relay
OEM-C-15 Secondary O2 sensor
OEM-A-23 Secondary O2 sensor
5V ref
OEM-A-4 Evap canister vent shut valve
OEM-B-11 Injector 1
OEM-B-5 Injector 4
OEM-A-26 Power steering load detect
5V ref
0V sensor
0V sensor
0V sensor
OEM-A-24 Starter switch signal
OEM-A-3 Evap bypass solenoid
OEM-A-27 A/C switch (request)
OEM-C-2 Alternator control
OEM-A-32 Brake switch
Battery Backup
OEM-A-18 Check engine light (MIL)
OEM-A-6 Evap canister purge valve
OEM-A-1 Coolant temp gauge drive
M190-B
M190
aLow Side Injector 5
AHalf Bridge Output 1
bLow Side Injector 3
BHalf Bridge Output 2
cBattery Negative 6
CHalf Bridge Output 3
GBattery Negative 1
HBattery Positive 1
JBattery Positive 2
KBattery Positive 3
LBattery Positive 4
SLow Side Injector 4
TLow Side Injector 6
ULow Side Injector 1
VLow Side Injector 2
WBattery Negative 2
XBattery Negative 3
YBattery Negative 4
ZBattery Negative 5
OEM-A-12 Immobilizer indicator light
OEM-B-12 VTEC solenoid
OEM-A-20 Radiator fan relay
OEM-C-1 Primary O2 heater
GND
OEM-C-11 Secondary O2 heater control
GND
Battery Positive 1
Battery Positive 2
Battery Positive 3
Battery Positive 4
OEM-B-23 Idle air control valve
OEM-A-2 Air control valve solenoid
OEM-B-4 Injector 3
OEM-A-16 Fuel pump relay (JDM)
GND
GND
GND
GND
M190-C
M190
1Low Side Ignition 4
2Low Side Ignition 3
8Low Side Ignition 2
11Analogue Voltage Input 6
14Sensor 0V A1
15Sensor 0V A2
16Low Side Ignition 1
18Universal Digital Input 1
23Sensor 0V B1
25Universal Digital Input 3
27Universal Digital Input 4
28Analogue Voltage Input 4
29Analogue Voltage Input 5
30Sensor 0V B2
32Universal Digital Input 2
35Analogue Voltage Input 3
36Analogue Voltage Input 2
37Analogue Temperature Input 1
39Analogue Temperature Input 2
40Universal Digital Input 5
42Analogue Voltage Input 1
47Universal Digital Input 6
OEM-C-14 Ignition coil 4
OEM-C-13 Ignition coil 3
OEM-C-12 Ignition coil 2
OEM-C-24 Air pump electric current sensor
0V sensor
0V sensor
OEM-C-4 Ignition coil 1
OEM-C-8 Crank sensor + (CKP+)
0V sensor
OEM-C-29 Cam (TDC2) sensor +
OEM-A-9 Vehicle speed sensor
OEM-A-29 Fuel tank pressure sensor
OEM-A-30 Electrical load detector
0V sensor
OEM-C-20 Cam (TDC1) sensor +
OEM-C-16 Primary O2 sensor
OEM-C-27 Throttle position sensor
OEM-C-26 Coolant temp sensor
OEM-C-25 Intake air temp sensor
OEM-C-5 Alternator FR signal
OEM-C-17 MAP sensor
OEM-C-10 VTEC pressure switch
SP-14V · 7 pins
SP-GND · 11 pins
SP-0V · 14 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.