100%
Stock ECU being replaced
MS3PROULTIMA-A-1 High current out 1
MS3PROULTIMA-B-11 Injector out G
MS3PROULTIMA-B-12 Injector out H
MS3PROULTIMA-B-2 Injector out B
5 no data
MS3PROULTIMA-B-4 Injector out C
7–8 no data
MS3PROULTIMA-B-34 Digital Frequency in 1 VR+
11 no data
MS3PROULTIMA-A-2 High current out 2
14 no data
MS3PROULTIMA-A-28 Fuel pump relay out
MS3PROULTIMA-A-14 PWM / Idle Out 1
MS3PROULTIMA-C-4 Digital out 1
MS3PROULTIMA-A-5 High current out 3
MS3PROULTIMA-A-24 Tach out
MS3PROULTIMA-A-29 PWM out 2
22 no data
MS3PROULTIMA-A-25 O2 in
MS3PROULTIMA-A-32 Digital switched in 1
MS3PROULTIMA-B-20 Digital switched in 2
MS3PROULTIMA-B-29 Digital switched in 3
MS3PROULTIMA-C-3 Digital out 2
MS3PROULTIMA-A-22 Analog In 4
MS3PROULTIMA-A-23 Analog In 5
31 no data
MS3PROULTIMA-C-11 Digital switched in 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)
19Tacho output
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
MS3PROULTIMA-A-4 Injector out I
MS3PROULTIMA-B-1 Injector out A
MS3PROULTIMA-B-10 Injector out F
6–8 no data
Power source 2 (main relay)
GND
MS3PROULTIMA-A-3 Injector out J
13–19 no data
GND
Backup power (battery constant)
GND
MS3PROULTIMA-C-1 PWM out 5
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
13–19 no data
20Ground
21Backup power (battery constant)
22Ground
23Idle air control valve
24–25 no data
MS3PROULTIMA-A-30 PWM out 3
MS3PROULTIMA-B-6 Injector out D
MS3PROULTIMA-B-13 Spark out G
MS3PROULTIMA-B-35 Digital Frequency in 1 VR−
6 no data
0V sensor
MS3PROULTIMA-A-6 CKP+
MS3PROULTIMA-A-15 CKP−
MS3PROULTIMA-C-10 Digital switched in 5
MS3PROULTIMA-C-2 PWM out 4
MS3PROULTIMA-B-14 Spark out E
MS3PROULTIMA-B-15 Spark out C
MS3PROULTIMA-B-16 Spark out H
MS3PROULTIMA-A-20 Analog in 2
MS3PROULTIMA-A-21 Analog in 3
MS3PROULTIMA-A-19 Analog in 1
0V sensor
5V ref
MS3PROULTIMA-A-26 CMP+
MS3PROULTIMA-A-27 CMP−
23 no data
MS3PROULTIMA-A-12 Analog In 6
MS3PROULTIMA-A-11 CLT in
MS3PROULTIMA-A-10 MAT in
MS3PROULTIMA-A-9 TPS in
5V ref
MS3PROULTIMA-B-28 Digital frequency in 1
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
MS3PROULTIMA
MS3PROULTIMA-A
MS3PROULTIMA
1High current out 1
2High current out 2
3Injector out J
4Injector out I
5High current out 3
6CKP+
85V+ VREF out 1
9TPS in
10MAT in
11CLT in
12Analog In 6
13Power ground
14PWM / Idle Out 1
15CKP−
16Logic ground
18Sensor return
19Analog in 1
20Analog in 2
21Analog in 3
22Analog In 4
23Analog In 5
24Tach out
25O2 in
26CMP+
27CMP−
28Fuel pump relay out
29PWM out 2
30PWM out 3
32Digital switched in 1
3512V+ switched power in
OEM-A-1 Coolant temp gauge drive
OEM-A-12 Immobilizer indicator light
OEM-B-11 Injector 1
OEM-B-3 Injector 2
OEM-A-18 Check engine light (MIL)
OEM-C-8 Crank sensor + (CKP+)
5V ref
OEM-C-27 Throttle position sensor
OEM-C-26 Coolant temp sensor
OEM-C-25 Intake air temp sensor
OEM-C-24 Air pump electric current sensor
GND
OEM-A-16 Fuel pump relay (JDM)
OEM-C-9 Crank sensor − (CKP−)
0V sensor
0V sensor
OEM-C-17 MAP sensor
OEM-C-15 Secondary O2 sensor
OEM-C-16 Primary O2 sensor
OEM-A-29 Fuel tank pressure sensor
OEM-A-30 Electrical load detector
OEM-A-19 Tacho output
OEM-A-23 Secondary O2 sensor
OEM-C-20 Cam (TDC1) sensor +
OEM-C-21 Cam (TDC1) sensor −
OEM-A-15 Fuel pump relay (USDM)
OEM-A-20 Radiator fan relay
OEM-C-1 Primary O2 heater
OEM-A-24 Starter switch signal
12V+ switched power in
MS3PROULTIMA-B
MS3PROULTIMA
1Injector out A
2Injector out B
3Ground
4Injector out C
5Ground
6Injector out D
7Ground
9Ground
10Injector out F
11Injector out G
12Injector out H
13Spark out G
14Spark out E
15Spark out C
16Spark out H
18Ground
20Digital switched in 2
28Digital frequency in 1
29Digital switched in 3
34Digital Frequency in 1 VR+
35Digital Frequency in 1 VR−
OEM-B-4 Injector 3
OEM-A-4 Evap canister vent shut valve
GND
OEM-A-6 Evap canister purge valve
GND
OEM-C-2 Alternator control
GND
GND
OEM-B-5 Injector 4
OEM-A-2 Air control valve solenoid
OEM-A-3 Evap bypass solenoid
OEM-C-4 Ignition coil 1
OEM-C-12 Ignition coil 2
OEM-C-13 Ignition coil 3
OEM-C-14 Ignition coil 4
GND
OEM-A-26 Power steering load detect
OEM-C-29 Cam (TDC2) sensor +
OEM-A-27 A/C switch (request)
OEM-A-9 Vehicle speed sensor
OEM-C-5 Alternator FR signal
MS3PROULTIMA-C
MS3PROULTIMA
1PWM out 5
2PWM out 4
3Digital out 2
4Digital out 1
10Digital switched in 5
11Digital switched in 4
155V+ VREF out 2
17Sensor return
18Sensor return
19Sensor return
20Sensor return
21Sensor return
23Keep alive power
OEM-B-23 Idle air control valve
OEM-C-11 Secondary O2 heater control
OEM-A-28 Air pump relay
OEM-A-17 A/C clutch relay
OEM-C-10 VTEC pressure switch
OEM-A-32 Brake switch
5V ref
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
Keep alive power
SP-14V · 4 pins
SP-GND · 11 pins
SP-0V · 12 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.