100%
Stock ECU being replaced
MS3PROEVOHC-A-31 Knock in 1
Ignition power 2 (IGP2)
Ignition power 1 (IGP1)
GND
GND
MS3PROEVOHC-B-34 Digital Frequency in 1 (VR+)
MS3PROEVOHC-A-6 CKP+
GND
GND
MS3PROEVOHC-C-2 PWM out 4
MS3PROEVOHC-C-1 PWM out 5
MS3PROEVOHC-B-16 Spark out H
MS3PROEVOHC-B-15 Spark out C
MS3PROEVOHC-B-14 Spark out E
MS3PROEVOHC-B-13 Spark out G
MS3PROEVOHC-A-32 Digital switched in 1
MS3PROEVOHC-A-26 CMP+
5V ref
5V ref
0V sensor
0V sensor
MS3PROEVOHC-A-9 TPS in
MS3PROEVOHC-A-19 Analog in 1
OEM-A
Stock ECU being replaced
1Knock sensor (KS)
2Ignition power 2 (IGP2)
3Ignition power 1 (IGP1)
4Power ground 2 (PG2)
5Power ground 1 (PG1)
6Camshaft position B (CMP B)
7Crank position sensor (CKP)
8Logic ground 2 (LG2)
9Logic ground 1 (LG1)
10A/F sensor heater control (AFSHTC)
12Idle air control valve (IACV)
13Ignition coil 4 (IGPLS4)
14Ignition coil 3 (IGPLS3)
15Ignition coil 2 (IGPLS2)
16Ignition coil 1 (IGPLS1)
18Neutral position switch (NC)
19Camshaft position A (CMP A)
20Sensor 5V supply 2 (VCC2)
21Sensor 5V supply 1 (VCC1)
23Sensor ground 2 (SG2)
24Sensor ground 1 (SG1)
29Throttle position sensor (TPS)
30Manifold absolute pressure (MAP)
MS3PROEVOHC-A-2 High current out 2
MS3PROEVOHC-B-10 Injector out F
MS3PROEVOHC-B-1 Injector out A
MS3PROEVOHC-A-4 Injector out I
MS3PROEVOHC-A-3 Injector out J
MS3PROEVOHC-A-1 High current out 1
MS3PROEVOHC-A-10 MAT in
MS3PROEVOHC-B-20 Digital switched in 2
MS3PROEVOHC-B-29 Digital switched in 3
MS3PROEVOHC-A-20 Analog in 2
MS3PROEVOHC-A-11 CLT in
MS3PROEVOHC-A-5 High current out 3
MS3PROEVOHC-B-11 Injector out G
OEM-B
Stock ECU being replaced
1VTC oil control solenoid (+)
2Injector 4 (INJ4)
3Injector 3 (INJ3)
4Injector 2 (INJ2)
5Injector 1 (INJ1)
6VTEC solenoid (VTS)
8Coolant temp sensor (ECT)
10Alternator L signal (ALTL)
11VTEC oil pressure switch (VTPSW)
13Alternator FR signal (ALTF)
17Intake air temp sensor (IAT)
18Alternator control (ALTC)
21Evap canister purge valve (PCS)
MS3PROEVOHC-B-2 Injector out B
GND
0V sensor
5V ref
MS3PROEVOHC-A-28 Fuel pump relay out
MS3PROEVOHC-C-3 Digital out 2
MS3PROEVOHC-B-19 Digital switched 12V in
MS3PROEVOHC-A-14 PWM / Idle Out 1
MS3PROEVOHC-A-21 Analog in 3
MS3PROEVOHC-A-22 Analog In 4
MS3PROEVOHC-C-11 Digital switched in 4
MS3PROEVOHC-C-4 Digital out 1
MS3PROEVOHC-A-29 PWM out 2
MS3PROEVOHC-B-12 Injector out H
MS3PROEVOHC-A-25 O2 in
MS3PROEVOHC-A-30 PWM out 3
MS3PROEVOHC-C-10 Digital switched in 5
MS3PROEVOHC-A-24 Tach out
MS3PROEVOHC-B-4 Injector out C
OEM-E
Stock ECU being replaced
3Reverse lockout solenoid (RVS, Type-S)
4Logic ground 3 (LG3)
5Sensor ground 3 (SG3)
6Sensor 5V supply 3 (VCC3)
8Main relay control (MRLY)
9A/F sensor heater relay control (AFSHTCR)
10Ignition switch signal (IG1)
12Radiator fan control (FANC)
14Fuel tank pressure sensor (FTP)
15Electrical load detector (ELD)
16Power steering pressure switch (PSPSW)
17Immobilizer fuel pump relay (IMO FPR)
18A/C clutch relay (ACC)
19Evap vent shut valve (VSV)
20Secondary heated O2 sensor (SHO2S)
21Secondary O2 heater control (SO2SHTC)
22Brake switch (BKSW)
25Engine speed pulse / tacho (NEP)
31Malfunction indicator lamp (MIL)
MS3PROEVOHC
MS3PROEVOHC-A
MS3PROEVOHC
1High current out 1
2High current out 2
3Injector out J
4Injector out I
5High current out 3
6CKP+
85V+ VREF out
9TPS in
10MAT in
11CLT in
13Logic Ground
14PWM / Idle Out 1
15CKP−
18Sensor return
19Analog in 1
20Analog in 2
21Analog in 3
22Analog In 4
24Tach out
25O2 in
26CMP+
27CMP−
28Fuel pump relay out
29PWM out 2
30PWM out 3
31Knock in 1
32Digital switched in 1
3512V+ switched power in
OEM-B-6 VTEC solenoid (VTS)
OEM-B-1 VTC oil control solenoid (+)
OEM-B-5 Injector 1 (INJ1)
OEM-B-4 Injector 2 (INJ2)
OEM-B-18 Alternator control (ALTC)
OEM-A-7 Crank position sensor (CKP)
5V ref
OEM-A-29 Throttle position sensor (TPS)
OEM-B-8 Coolant temp sensor (ECT)
OEM-B-17 Intake air temp sensor (IAT)
0V sensor
OEM-E-12 Radiator fan control (FANC)
SP-0V · 3 pins
0V sensor
OEM-A-30 Manifold absolute pressure (MAP)
OEM-B-13 Alternator FR signal (ALTF)
OEM-E-14 Fuel tank pressure sensor (FTP)
OEM-E-15 Electrical load detector (ELD)
OEM-E-25 Engine speed pulse / tacho (NEP)
OEM-E-20 Secondary heated O2 sensor (SHO2S)
OEM-A-19 Camshaft position A (CMP A)
SP-0V · 3 pins
OEM-E-8 Main relay control (MRLY)
OEM-E-18 A/C clutch relay (ACC)
OEM-E-21 Secondary O2 heater control (SO2SHTC)
OEM-A-1 Knock sensor (KS)
OEM-A-18 Neutral position switch (NC)
12V+ switched power in
MS3PROEVOHC-B
MS3PROEVOHC
1Injector out A
2Injector out B
3Ground
4Injector out C
5Ground
7Ground
9Ground
10Injector out F
11Injector out G
12Injector out H
13Spark out G
14Spark out E
15Spark out C
16Spark out H
19Digital switched 12V in
20Digital switched in 2
29Digital switched in 3
34Digital Frequency in 1 (VR+)
35Digital Frequency in 1 (VR−)
OEM-B-3 Injector 3 (INJ3)
OEM-E-3 Reverse lockout solenoid (RVS, Type-S)
GND
OEM-E-31 Malfunction indicator lamp (MIL)
GND
GND
GND
OEM-B-2 Injector 4 (INJ4)
OEM-B-21 Evap canister purge valve (PCS)
OEM-E-19 Evap vent shut valve (VSV)
OEM-A-16 Ignition coil 1 (IGPLS1)
OEM-A-15 Ignition coil 2 (IGPLS2)
OEM-A-14 Ignition coil 3 (IGPLS3)
OEM-A-13 Ignition coil 4 (IGPLS4)
OEM-E-10 Ignition switch signal (IG1)
OEM-B-10 Alternator L signal (ALTL)
OEM-B-11 VTEC oil pressure switch (VTPSW)
OEM-A-6 Camshaft position B (CMP B)
SP-0V · 3 pins
MS3PROEVOHC-C
MS3PROEVOHC
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
225V+ VREF out 1
OEM-A-12 Idle air control valve (IACV)
OEM-A-10 A/F sensor heater control (AFSHTC)
OEM-E-9 A/F sensor heater relay control (AFSHTCR)
OEM-E-17 Immobilizer fuel pump relay (IMO FPR)
OEM-E-22 Brake switch (BKSW)
OEM-E-16 Power steering pressure switch (PSPSW)
5V ref
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
5V ref
SP-14V · 4 pins
SP-GND · 10 pins
SP-0V · 14 pins
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