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RSX Type-S 2002-04 (K20A2) → AMP EFI MS3Pro EVO+ (auto)

RSX Type-S 2002-04 (K20A2) — AMP EFI — MS3Pro EVO+
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-04

Revisions

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No revisions yet.

Schematic

MS3PROEVO-AMS3PROEVO-BMS3PROEVO-COEM-AOEM-BOEM-ESP-0VSP-14VSP-GND

Connectors

MS3PROEVO-A

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1High current out 1—W50—0.5OEM-B-15———
10MAT in—W62—0.5OEM-B-8———
11CLT in—W63—0.5OEM-B-17———
12Analog In 6————————
13Logic Ground—W16—0.5SP-0V-1———
14PWM / Idle Out 1—W43—0.5OEM-B-6———
15CKP−—W27—0.5SP-0V-1———
16Ground Shield Drain————————
17Analog In 7————————
18Sensor return—W17—0.5SP-0V-1———
19Analog in 1—W59—0.5OEM-A-19———
2High current out 2—W51—0.5OEM-B-1———
20Analog in 2—W64—0.5OEM-B-13———
21Analog in 3—W65—0.5OEM-E-14———
22Analog In 4—W66—0.5OEM-E-15———
23Analog In 5————————
24Tach out—W58—0.5OEM-E-26———
25O2 in—W61—0.5OEM-E-2———
26CMP+—W28—0.5OEM-A-25———
27CMP−—W29—0.5SP-0V-1———
28Fuel pump relay out—W42—0.5OEM-E-7———
29PWM out 2—W45—0.5OEM-E-18———
3Injector out J—W37—0.5OEM-B-5———
30PWM out 3—W47—0.5OEM-E-6———
31Knock in 1—W32—0.5OEM-A-9———
32Digital switched in 1—W68—0.5OEM-B-10———
33CAN L————————
34CAN H————————
3512V+ switched power in—W3—0.85SP-14V-1———
4Injector out I—W38—0.5OEM-B-4———
5High current out 3—W52—0.5OEM-B-18———
6CKP+—W26—0.5OEM-A-7———
7Knock In 2————————
85V+ VREF out—W23—0.5OEM-A-20———
9TPS in—W60—0.5OEM-A-15———

MS3PROEVO-B

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Injector out A—W39—0.5OEM-B-3———
10Injector out F—W40—0.5OEM-B-2———
11Injector out G—W53—0.5OEM-B-21———
12Injector out H—W54—0.5OEM-B-23———
13Spark out G—W33—0.5OEM-A-30———
14Spark out E—W34—0.5OEM-A-29———
15Spark out C—W35—0.5OEM-A-28———
16Spark out H—W36—0.5OEM-A-27———
17Digital frequency in 2 (Hall)————————
18Ground Shield Drain————————
19Digital switched 12V in—W41—0.5OEM-E-9———
2Injector out B—W55—0.5OEM-B-7———
20Digital switched in 2—W69—0.5OEM-B-9———
21Digital frequency in 3 (unconditioned)————————
22Digital Frequency in 3 (VR+)————————
23Digital Frequency In 3 (VR−)————————
24Spark out F————————
25Spark out B————————
26Spark out D————————
27Spark out A————————
28Digital frequency in 1 (unconditioned)—W67—0.5OEM-A-18———
29Digital switched in 3—W70—0.5OEM-E-16———
3Ground—W9—0.85SP-GND-1———
30Stepper IAC out 1B————————
31Stepper IAC out 1A————————
32Stepper IAC out 2A————————
33Stepper IAC out 2B————————
34Digital Frequency in 1 (VR+)—W30—0.5OEM-A-26———
35Digital Frequency in 1 (VR−)—W31—0.5SP-0V-1———
4Injector out C—W56—0.5OEM-E-21———
5Ground—W10—0.85SP-GND-1———
6Injector out D—W57—0.5OEM-E-31———
7Ground—W11—0.85SP-GND-1———
8Injector out E————————
9Ground—W12—0.85SP-GND-1———

MS3PROEVO-C

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1PWM out 5—W49—0.5OEM-A-12———
10Digital switched in 5—W72—0.5OEM-E-22———
11Digital switched in 4—W71—0.5OEM-E-20———
12Digital I/O 5————————
13Digital I/O 3————————
14Digital I/O 1————————
155V+ VREF out 2—W24—0.5OEM-A-21———
17Sensor return—W18—0.5SP-0V-1———
18Sensor return—W19—0.5SP-0V-1———
19Sensor return—W20—0.5SP-0V-1———
2PWM out 4—W48—0.5OEM-A-1———
20Sensor return—W21—0.5SP-0V-1———
21Sensor return—W22—0.5SP-0V-1———
225V+ VREF out 1—W25—0.5OEM-E-5———
3Digital out 2—W46—0.5OEM-E-8———
4Digital out 1—W44—0.5OEM-E-1———
5Digital I/O 4————————
6Digital I/O 2————————
7Analog in 8————————

OEM-A

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1A/F sensor heater control (AFSHTC)—W48—0.5MS3PROEVO-C-2———
2Ignition power 2 (IGP2)—W1—0.85SP-14V-1———
3Ignition power 1 (IGP1)—W2—0.85SP-14V-1———
4Power ground 2 (PG2)—W6—0.85SP-GND-1———
5Power ground 1 (PG1)—W7—0.85SP-GND-1———
6A/F sensor + (AFS+, wideband Ip)————————
7Crank position sensor (CKP)—W26—0.5MS3PROEVO-A-6———
8—————————
9Knock sensor (KS)—W32—0.5MS3PROEVO-A-31———
10Sensor ground 2 (SG2)—W13—0.5SP-0V-1———
11Sensor ground 1 (SG1)—W14—0.5SP-0V-1———
12Idle air control valve (IACV)—W49—0.5MS3PROEVO-C-1———
13—————————
14—————————
15Throttle position sensor (TPS)—W60—0.5MS3PROEVO-A-9———
16A/F sensor - (AFS-, wideband Vs)————————
17—————————
18Vehicle speed sensor (VSS, M/T)—W67—0.5MS3PROEVO-B-28———
19Manifold absolute pressure (MAP)—W59—0.5MS3PROEVO-A-19———
20Sensor 5V supply 2 (VCC2)—W23—0.5MS3PROEVO-A-8———
21Sensor 5V supply 1 (VCC1)—W24—0.5MS3PROEVO-C-15———
22A/F sensor heater supply (AFSHTC+)————————
23Logic ground 2 (LG2)—W4—0.85SP-GND-1———
24Logic ground 1 (LG1)—W5—0.85SP-GND-1———
25Camshaft position A (CMP A)—W28—0.5MS3PROEVO-A-26———
26Camshaft position B (CMP B)—W30—0.5MS3PROEVO-B-34———
27Ignition coil 4 (IGPLS4)—W36—0.5MS3PROEVO-B-16———
28Ignition coil 3 (IGPLS3)—W35—0.5MS3PROEVO-B-15———
29Ignition coil 2 (IGPLS2)—W34—0.5MS3PROEVO-B-14———
30Ignition coil 1 (IGPLS1)—W33—0.5MS3PROEVO-B-13———
31—————————

OEM-B

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1VTC oil control solenoid (+)—W51—0.5MS3PROEVO-A-2———
2Injector 4 (INJ4)—W40—0.5MS3PROEVO-B-10———
3Injector 3 (INJ3)—W39—0.5MS3PROEVO-B-1———
4Injector 2 (INJ2)—W38—0.5MS3PROEVO-A-4———
5Injector 1 (INJ1)—W37—0.5MS3PROEVO-A-3———
6Radiator fan control (FANC)—W43—0.5MS3PROEVO-A-14———
7Reverse lockout solenoid (RVS, Type-S)—W55—0.5MS3PROEVO-B-2———
8Coolant temp sensor (ECT)—W62—0.5MS3PROEVO-A-10———
9VTEC oil pressure switch (VTPSW)—W69—0.5MS3PROEVO-B-20———
10Alternator L signal (ALTL)—W68—0.5MS3PROEVO-A-32———
11—————————
12—————————
13Alternator FR signal (ALTF)—W64—0.5MS3PROEVO-A-20———
14—————————
15VTEC solenoid (VTS)—W50—0.5MS3PROEVO-A-1———
16—————————
17Intake air temp sensor (IAT)—W63—0.5MS3PROEVO-A-11———
18Alternator control (ALTC)—W52—0.5MS3PROEVO-A-5———
19—————————
20—————————
21Evap canister purge valve (PCS)—W53—0.5MS3PROEVO-B-11———
22—————————
23VTC oil control solenoid (-)—W54—0.5MS3PROEVO-B-12———
24—————————

OEM-E

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Immobilizer fuel pump relay (IMO FPR)—W44—0.5MS3PROEVO-C-4———
2Secondary heated O2 sensor (SHO2S)—W61—0.5MS3PROEVO-A-25———
3Logic ground 3 (LG3)—W8—0.85SP-GND-1———
4Sensor ground 3 (SG3)—W15—0.5SP-0V-1———
5Sensor 5V supply 3 (VCC3)—W25—0.5MS3PROEVO-C-22———
6Secondary O2 heater control (SO2SHTC)—W47—0.5MS3PROEVO-A-30———
7Main relay control (MRLY)—W42—0.5MS3PROEVO-A-28———
8A/F sensor heater relay control (AFSHTCR)—W46—0.5MS3PROEVO-C-3———
9Ignition switch signal (IG1)—W41—0.5MS3PROEVO-B-19———
10—————————
11—————————
12—————————
13—————————
14Fuel tank pressure sensor (FTP)—W65—0.5MS3PROEVO-A-21———
15Electrical load detector (ELD)—W66—0.5MS3PROEVO-A-22———
16Power steering pressure switch (PSPSW)—W70—0.5MS3PROEVO-B-29———
17—————————
18A/C clutch relay (ACC)—W45—0.5MS3PROEVO-A-29———
19—————————
20Brake switch / interlock (2WBS)—W71—0.5MS3PROEVO-C-11———
21Evap vent shut valve (VSV)—W56—0.5MS3PROEVO-B-4———
22Brake switch (BKSW)—W72—0.5MS3PROEVO-C-10———
23K-line (diagnostic)————————
24Multiplex communication (SEFMJ)————————
25—————————
26Engine speed pulse / tacho (NEP)—W58—0.5MS3PROEVO-A-24———
27Immobilizer code (IMOCD)————————
28—————————
29Service check signal (SCS)————————
30Write enable signal (WEN)————————
31Malfunction indicator lamp (MIL)—W57—0.5MS3PROEVO-B-6———

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W20—0.5MS3PROEVO-C-19———
1——W13—0.5OEM-A-10———
1——W14—0.5OEM-A-11———
1——W15—0.5OEM-E-4———
1——W16—0.5MS3PROEVO-A-13———
1——W17—0.5MS3PROEVO-A-18———
1——W18—0.5MS3PROEVO-C-17———
1——W19—0.5MS3PROEVO-C-18———
1——W21—0.5MS3PROEVO-C-20———
1——W22—0.5MS3PROEVO-C-21———
1——W27—0.5MS3PROEVO-A-15———
1——W29—0.5MS3PROEVO-A-27———
1——W31—0.5MS3PROEVO-B-35———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-A-2———
1——W2—0.85OEM-A-3———
1——W3—0.85MS3PROEVO-A-35———

SP-GND

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W4—0.85OEM-A-23———
1——W5—0.85OEM-A-24———
1——W6—0.85OEM-A-4———
1——W7—0.85OEM-A-5———
1——W8—0.85OEM-E-3———
1——W9—0.85MS3PROEVO-B-3———
1——W10—0.85MS3PROEVO-B-5———
1——W11—0.85MS3PROEVO-B-7———
1——W12—0.85MS3PROEVO-B-9———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-A-1A/F sensor heater control (AFSHTC)low_side_outMS3PROEVO-C-2PWM out 4low_side_outsingle_source
OEM-A-10Sensor ground 2 (SG2)sensor_groundMS3PROEVO-A-13 + MS3PROEVO-A-15 + MS3PROEVO-A-18 + MS3PROEVO-A-27 + MS3PROEVO-B-35 + MS3PROEVO-C-17 + MS3PROEVO-C-18 + MS3PROEVO-C-19 + MS3PROEVO-C-20 + MS3PROEVO-C-21Logic Ground + CKP− + Sensor return + CMP− + Digital Frequency in 1 (VR−) + Sensor return + Sensor return + Sensor return + Sensor return + Sensor returndigital_in + sensor_ground + trigger_incorroborated
OEM-A-11Sensor ground 1 (SG1)sensor_groundMS3PROEVO-A-13 + MS3PROEVO-A-15 + MS3PROEVO-A-18 + MS3PROEVO-A-27 + MS3PROEVO-B-35 + MS3PROEVO-C-17 + MS3PROEVO-C-18 + MS3PROEVO-C-19 + MS3PROEVO-C-20 + MS3PROEVO-C-21Logic Ground + CKP− + Sensor return + CMP− + Digital Frequency in 1 (VR−) + Sensor return + Sensor return + Sensor return + Sensor return + Sensor returndigital_in + sensor_ground + trigger_incorroborated
OEM-A-12Idle air control valve (IACV)low_side_outMS3PROEVO-C-1PWM out 5low_side_outcorroborated
OEM-A-15Throttle position sensor (TPS)analog_inMS3PROEVO-A-9TPS inanalog_incorroborated
OEM-A-16A/F sensor - (AFS-, wideband Vs)wb_vs———single_source
OEM-A-18Vehicle speed sensor (VSS, M/T)digital_inMS3PROEVO-B-28Digital frequency in 1 (unconditioned)digital_incorroborated
OEM-A-19Manifold absolute pressure (MAP)analog_inMS3PROEVO-A-19Analog in 1analog_incorroborated
OEM-A-2Ignition power 2 (IGP2)power_inMS3PROEVO-A-3512V+ switched power inpower_incorroborated
OEM-A-20Sensor 5V supply 2 (VCC2)vrefMS3PROEVO-A-85V+ VREF outvrefcorroborated
OEM-A-21Sensor 5V supply 1 (VCC1)vrefMS3PROEVO-C-155V+ VREF out 2vrefcorroborated
OEM-A-22A/F sensor heater supply (AFSHTC+)power_out———single_source
OEM-A-23Logic ground 2 (LG2)groundMS3PROEVO-B-3 + MS3PROEVO-B-5 + MS3PROEVO-B-7 + MS3PROEVO-B-9Ground + Ground + Ground + Groundgroundcorroborated
OEM-A-24Logic ground 1 (LG1)groundMS3PROEVO-B-3 + MS3PROEVO-B-5 + MS3PROEVO-B-7 + MS3PROEVO-B-9Ground + Ground + Ground + Groundgroundcorroborated
OEM-A-25Camshaft position A (CMP A)trigger_inMS3PROEVO-A-26CMP+trigger_insingle_source
OEM-A-26Camshaft position B (CMP B)trigger_inMS3PROEVO-B-34Digital Frequency in 1 (VR+)digital_insingle_source
OEM-A-27Ignition coil 4 (IGPLS4)ignition_outMS3PROEVO-B-16Spark out Hignition_outcorroborated
OEM-A-28Ignition coil 3 (IGPLS3)ignition_outMS3PROEVO-B-15Spark out Cignition_outcorroborated
OEM-A-29Ignition coil 2 (IGPLS2)ignition_outMS3PROEVO-B-14Spark out Eignition_outcorroborated
OEM-A-3Ignition power 1 (IGP1)power_inMS3PROEVO-A-3512V+ switched power inpower_incorroborated
OEM-A-30Ignition coil 1 (IGPLS1)ignition_outMS3PROEVO-B-13Spark out Gignition_outcorroborated
OEM-A-4Power ground 2 (PG2)groundMS3PROEVO-B-3 + MS3PROEVO-B-5 + MS3PROEVO-B-7 + MS3PROEVO-B-9Ground + Ground + Ground + Groundgroundcorroborated
OEM-A-5Power ground 1 (PG1)groundMS3PROEVO-B-3 + MS3PROEVO-B-5 + MS3PROEVO-B-7 + MS3PROEVO-B-9Ground + Ground + Ground + Groundgroundcorroborated
OEM-A-6A/F sensor + (AFS+, wideband Ip)wb_ip———single_source
OEM-A-7Crank position sensor (CKP)trigger_inMS3PROEVO-A-6CKP+trigger_incorroborated
OEM-A-9Knock sensor (KS)knock_inMS3PROEVO-A-31Knock in 1knock_incorroborated
OEM-B-1VTC oil control solenoid (+)low_side_outMS3PROEVO-A-2High current out 2low_side_outcorroborated
OEM-B-10Alternator L signal (ALTL)digital_inMS3PROEVO-A-32Digital switched in 1digital_insingle_source
OEM-B-13Alternator FR signal (ALTF)analog_inMS3PROEVO-A-20Analog in 2analog_insingle_source
OEM-B-15VTEC solenoid (VTS)low_side_outMS3PROEVO-A-1High current out 1low_side_outsingle_source
OEM-B-17Intake air temp sensor (IAT)temp_inMS3PROEVO-A-11CLT intemp_incorroborated
OEM-B-18Alternator control (ALTC)low_side_outMS3PROEVO-A-5High current out 3low_side_outcorroborated
OEM-B-2Injector 4 (INJ4)injector_outMS3PROEVO-B-10Injector out Finjector_outcorroborated
OEM-B-21Evap canister purge valve (PCS)low_side_outMS3PROEVO-B-11Injector out Ginjector_outcorroborated
OEM-B-23VTC oil control solenoid (-)low_side_outMS3PROEVO-B-12Injector out Hinjector_outcorroborated
OEM-B-3Injector 3 (INJ3)injector_outMS3PROEVO-B-1Injector out Ainjector_outcorroborated
OEM-B-4Injector 2 (INJ2)injector_outMS3PROEVO-A-4Injector out Iinjector_outcorroborated
OEM-B-5Injector 1 (INJ1)injector_outMS3PROEVO-A-3Injector out Jinjector_outcorroborated
OEM-B-6Radiator fan control (FANC)low_side_outMS3PROEVO-A-14PWM / Idle Out 1low_side_outcorroborated
OEM-B-7Reverse lockout solenoid (RVS, Type-S)low_side_outMS3PROEVO-B-2Injector out Binjector_outcorroborated
OEM-B-8Coolant temp sensor (ECT)temp_inMS3PROEVO-A-10MAT intemp_incorroborated
OEM-B-9VTEC oil pressure switch (VTPSW)digital_inMS3PROEVO-B-20Digital switched in 2digital_incorroborated
OEM-E-1Immobilizer fuel pump relay (IMO FPR)low_side_outMS3PROEVO-C-4Digital out 1low_side_outcorroborated
OEM-E-14Fuel tank pressure sensor (FTP)analog_inMS3PROEVO-A-21Analog in 3analog_incorroborated
OEM-E-15Electrical load detector (ELD)analog_inMS3PROEVO-A-22Analog In 4analog_incorroborated
OEM-E-16Power steering pressure switch (PSPSW)digital_inMS3PROEVO-B-29Digital switched in 3digital_incorroborated
OEM-E-18A/C clutch relay (ACC)low_side_outMS3PROEVO-A-29PWM out 2low_side_outcorroborated
OEM-E-2Secondary heated O2 sensor (SHO2S)lambda_nb_inMS3PROEVO-A-25O2 inlambda_nb_incorroborated
OEM-E-20Brake switch / interlock (2WBS)digital_inMS3PROEVO-C-11Digital switched in 4digital_insingle_source
OEM-E-21Evap vent shut valve (VSV)low_side_outMS3PROEVO-B-4Injector out Cinjector_outcorroborated
OEM-E-22Brake switch (BKSW)digital_inMS3PROEVO-C-10Digital switched in 5digital_incorroborated
OEM-E-23K-line (diagnostic)serial———single_source
OEM-E-24Multiplex communication (SEFMJ)serial———corroborated
OEM-E-26Engine speed pulse / tacho (NEP)tacho_outMS3PROEVO-A-24Tach outtacho_outcorroborated
OEM-E-27Immobilizer code (IMOCD)————single_source
OEM-E-29Service check signal (SCS)————single_source
OEM-E-3Logic ground 3 (LG3)groundMS3PROEVO-B-3 + MS3PROEVO-B-5 + MS3PROEVO-B-7 + MS3PROEVO-B-9Ground + Ground + Ground + Groundgroundcorroborated
OEM-E-30Write enable signal (WEN)————single_source
OEM-E-31Malfunction indicator lamp (MIL)low_side_outMS3PROEVO-B-6Injector out Dinjector_outcorroborated
OEM-E-4Sensor ground 3 (SG3)sensor_groundMS3PROEVO-A-13 + MS3PROEVO-A-15 + MS3PROEVO-A-18 + MS3PROEVO-A-27 + MS3PROEVO-B-35 + MS3PROEVO-C-17 + MS3PROEVO-C-18 + MS3PROEVO-C-19 + MS3PROEVO-C-20 + MS3PROEVO-C-21Logic Ground + CKP− + Sensor return + CMP− + Digital Frequency in 1 (VR−) + Sensor return + Sensor return + Sensor return + Sensor return + Sensor returndigital_in + sensor_ground + trigger_incorroborated
OEM-E-5Sensor 5V supply 3 (VCC3)vrefMS3PROEVO-C-225V+ VREF out 1vrefcorroborated
OEM-E-6Secondary O2 heater control (SO2SHTC)low_side_outMS3PROEVO-A-30PWM out 3low_side_outcorroborated
OEM-E-7Main relay control (MRLY)low_side_outMS3PROEVO-A-28Fuel pump relay outlow_side_outcorroborated
OEM-E-8A/F sensor heater relay control (AFSHTCR)low_side_outMS3PROEVO-C-3Digital out 2low_side_outcorroborated
OEM-E-9Ignition switch signal (IG1)digital_inMS3PROEVO-B-19Digital switched 12V indigital_incorroborated

Cut list

WireFromToGauge (mm²)ColourLengthSignalIdent
W1OEM-A-2SP-14V-10.85no routeIgnition power 2 (IGP2)—
W2OEM-A-3SP-14V-10.85no routeIgnition power 1 (IGP1)—
W3SP-14V-1MS3PROEVO-A-350.85no route12V+ switched power in—
W4OEM-A-23SP-GND-10.85no routeLogic ground 2 (LG2)—
W5OEM-A-24SP-GND-10.85no routeLogic ground 1 (LG1)—
W6OEM-A-4SP-GND-10.85no routePower ground 2 (PG2)—
W7OEM-A-5SP-GND-10.85no routePower ground 1 (PG1)—
W8OEM-E-3SP-GND-10.85no routeLogic ground 3 (LG3)—
W9SP-GND-1MS3PROEVO-B-30.85no routeGround—
W10SP-GND-1MS3PROEVO-B-50.85no routeGround—
W11SP-GND-1MS3PROEVO-B-70.85no routeGround—
W12SP-GND-1MS3PROEVO-B-90.85no routeGround—
W13OEM-A-10SP-0V-10.5no routeSensor ground 2 (SG2)—
W14OEM-A-11SP-0V-10.5no routeSensor ground 1 (SG1)—
W15OEM-E-4SP-0V-10.5no routeSensor ground 3 (SG3)—
W16SP-0V-1MS3PROEVO-A-130.5no routeLogic Ground—
W17SP-0V-1MS3PROEVO-A-180.5no routeSensor return—
W18SP-0V-1MS3PROEVO-C-170.5no routeSensor return—
W19SP-0V-1MS3PROEVO-C-180.5no routeSensor return—
W20SP-0V-1MS3PROEVO-C-190.5no routeSensor return—
W21SP-0V-1MS3PROEVO-C-200.5no routeSensor return—
W22SP-0V-1MS3PROEVO-C-210.5no routeSensor return—
W23OEM-A-20MS3PROEVO-A-80.5no routeSensor 5V supply 2 (VCC2)—
W24OEM-A-21MS3PROEVO-C-150.5no routeSensor 5V supply 1 (VCC1)—
W25OEM-E-5MS3PROEVO-C-220.5no routeSensor 5V supply 3 (VCC3)—
W26OEM-A-7MS3PROEVO-A-60.5no routeCrank position sensor (CKP)—
W27SP-0V-1MS3PROEVO-A-150.5no routeCKP−—
W28OEM-A-25MS3PROEVO-A-260.5no routeCamshaft position A (CMP A)—
W29SP-0V-1MS3PROEVO-A-270.5no routeCMP−—
W30OEM-A-26MS3PROEVO-B-340.5no routeCamshaft position B (CMP B)—
W31SP-0V-1MS3PROEVO-B-350.5no routeDigital Frequency in 1 (VR−)—
W32OEM-A-9MS3PROEVO-A-310.5no routeKnock sensor (KS)—
W33OEM-A-30MS3PROEVO-B-130.5no routeIgnition coil 1 (IGPLS1)—
W34OEM-A-29MS3PROEVO-B-140.5no routeIgnition coil 2 (IGPLS2)—
W35OEM-A-28MS3PROEVO-B-150.5no routeIgnition coil 3 (IGPLS3)—
W36OEM-A-27MS3PROEVO-B-160.5no routeIgnition coil 4 (IGPLS4)—
W37OEM-B-5MS3PROEVO-A-30.5no routeInjector 1 (INJ1)—
W38OEM-B-4MS3PROEVO-A-40.5no routeInjector 2 (INJ2)—
W39OEM-B-3MS3PROEVO-B-10.5no routeInjector 3 (INJ3)—
W40OEM-B-2MS3PROEVO-B-100.5no routeInjector 4 (INJ4)—
W41OEM-E-9MS3PROEVO-B-190.5no routeIgnition switch signal (IG1)—
W42OEM-E-7MS3PROEVO-A-280.5no routeMain relay control (MRLY)—
W43OEM-B-6MS3PROEVO-A-140.5no routeRadiator fan control (FANC)—
W44OEM-E-1MS3PROEVO-C-40.5no routeImmobilizer fuel pump relay (IMO FPR)—
W45OEM-E-18MS3PROEVO-A-290.5no routeA/C clutch relay (ACC)—
W46OEM-E-8MS3PROEVO-C-30.5no routeA/F sensor heater relay control (AFSHTCR)—
W47OEM-E-6MS3PROEVO-A-300.5no routeSecondary O2 heater control (SO2SHTC)—
W48OEM-A-1MS3PROEVO-C-20.5no routeA/F sensor heater control (AFSHTC)—
W49OEM-A-12MS3PROEVO-C-10.5no routeIdle air control valve (IACV)—
W50OEM-B-15MS3PROEVO-A-10.5no routeVTEC solenoid (VTS)—
W51OEM-B-1MS3PROEVO-A-20.5no routeVTC oil control solenoid (+)—
W52OEM-B-18MS3PROEVO-A-50.5no routeAlternator control (ALTC)—
W53OEM-B-21MS3PROEVO-B-110.5no routeEvap canister purge valve (PCS)—
W54OEM-B-23MS3PROEVO-B-120.5no routeVTC oil control solenoid (-)—
W55OEM-B-7MS3PROEVO-B-20.5no routeReverse lockout solenoid (RVS, Type-S)—
W56OEM-E-21MS3PROEVO-B-40.5no routeEvap vent shut valve (VSV)—
W57OEM-E-31MS3PROEVO-B-60.5no routeMalfunction indicator lamp (MIL)—
W58OEM-E-26MS3PROEVO-A-240.5no routeEngine speed pulse / tacho (NEP)—
W59OEM-A-19MS3PROEVO-A-190.5no routeManifold absolute pressure (MAP)—
W60OEM-A-15MS3PROEVO-A-90.5no routeThrottle position sensor (TPS)—
W61OEM-E-2MS3PROEVO-A-250.5no routeSecondary heated O2 sensor (SHO2S)—
W62OEM-B-8MS3PROEVO-A-100.5no routeCoolant temp sensor (ECT)—
W63OEM-B-17MS3PROEVO-A-110.5no routeIntake air temp sensor (IAT)—
W64OEM-B-13MS3PROEVO-A-200.5no routeAlternator FR signal (ALTF)—
W65OEM-E-14MS3PROEVO-A-210.5no routeFuel tank pressure sensor (FTP)—
W66OEM-E-15MS3PROEVO-A-220.5no routeElectrical load detector (ELD)—
W67OEM-A-18MS3PROEVO-B-280.5no routeVehicle speed sensor (VSS, M/T)—
W68OEM-B-10MS3PROEVO-A-320.5no routeAlternator L signal (ALTL)—
W69OEM-B-9MS3PROEVO-B-200.5no routeVTEC oil pressure switch (VTPSW)—
W70OEM-E-16MS3PROEVO-B-290.5no routePower steering pressure switch (PSPSW)—
W71OEM-E-20MS3PROEVO-C-110.5no routeBrake switch / interlock (2WBS)—
W72OEM-E-22MS3PROEVO-C-100.5no routeBrake switch (BKSW)—

Bill of materials

CategoryPart numberManufacturerDescriptionQtyUnit
connector1318682-6TEK-series ECU harness plug A (040-3 HD plug assy, 31P)1.000ea
connector353029-1TEK-series ECU harness plug B (040 H/D-3 plug HSG assy, 24P)1.000ea
connector353826-1TEK-series ECU harness plug E (040 HD 31P plug HSG assy-B, 31P)1.000ea

ECU setup sheet

RoleEngine refEngine signalSensorECU pointECU functionECU classSetup flag
No configured channels.

Findings

Open (13)

SeverityCodeSubjectMessage
warnDATASET_GAPRSX ECU A5 of 31 cavities on RSX ECU A have no pin data (8,13,14,17,31). Anything there is invisible to these checks.
warnDATASET_GAPRSX ECU B8 of 24 cavities on RSX ECU B have no pin data (11,12,14,16,19,20,22,24). Anything there is invisible to these checks.
warnDATASET_GAPRSX ECU E8 of 31 cavities on RSX ECU E have no pin data (10,11,12,13,17,19,25,28). Anything there is invisible to these checks.
warnNET_FAMILYMS3PROEVO-A-27 ↔ MS3PROEVO-B-35MS3PROEVO-A-27 "CMP−" [trigger_in] is wired to MS3PROEVO-B-35 "Digital Frequency in 1 (VR−)" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot.
warnNET_FAMILYOEM-A-26 ↔ MS3PROEVO-B-34OEM-A-26 "Camshaft position B (CMP B)" [trigger_in] is wired to MS3PROEVO-B-34 "Digital Frequency in 1 (VR+)" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot.
infoNET_FAMILYMS3PROEVO-A-15 ↔ MS3PROEVO-C-17MS3PROEVO-A-15 "CKP−" [trigger_in] is wired to MS3PROEVO-C-17 "Sensor return" [sensor_ground]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs.
infoNET_FAMILYOEM-B-21 ↔ MS3PROEVO-B-11OEM-B-21 "Evap canister purge valve (PCS)" [low_side_out] is wired to MS3PROEVO-B-11 "Injector out G" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-B-23 ↔ MS3PROEVO-B-12OEM-B-23 "VTC oil control solenoid (-)" [low_side_out] is wired to MS3PROEVO-B-12 "Injector out H" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-B-7 ↔ MS3PROEVO-B-2OEM-B-7 "Reverse lockout solenoid (RVS, Type-S)" [low_side_out] is wired to MS3PROEVO-B-2 "Injector out B" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-E-21 ↔ MS3PROEVO-B-4OEM-E-21 "Evap vent shut valve (VSV)" [low_side_out] is wired to MS3PROEVO-B-4 "Injector out C" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-E-31 ↔ MS3PROEVO-B-6OEM-E-31 "Malfunction indicator lamp (MIL)" [low_side_out] is wired to MS3PROEVO-B-6 "Injector out D" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-E-4 ↔ MS3PROEVO-B-35OEM-E-4 "Sensor ground 3 (SG3)" [sensor_ground] is wired to MS3PROEVO-B-35 "Digital Frequency in 1 (VR−)" [digital_in]. A digital input used as a ground/identification strap (e.g. AT/MT ID is grounded on manual cars) is compatible with a sensor ground.
infoUNMAPPEDOEM8 optional OEM pins are not mapped: OEM-A-16 A/F sensor - (AFS-, wideband Vs); OEM-A-22 A/F sensor heater supply (AFSHTC+); OEM-A-6 A/F sensor + (AFS+, wideband Ip); OEM-E-23 K-line (diagnostic); OEM-E-24 Multiplex communication (SEFMJ); OEM-E-27 Immobilizer code (IMOCD); OEM-E-29 Service check signal (SCS); OEM-E-30 Write enable signal (WEN)

Accepted (0)

CodeSubjectReasonBy

Notes

Auto-mapped by auto_map() from the library pin data on 2026-10-04. Review every wire against both manuals before building. Not wired: - OEM-A 6: A/F sensor + (AFS+, wideband Ip): no free wb_ip on AMP EFI MS3Pro EVO+ - OEM-A 16: A/F sensor - (AFS-, wideband Vs): no free wb_vs on AMP EFI MS3Pro EVO+ - OEM-A 22: A/F sensor heater supply (AFSHTC+): no free heater_feed on AMP EFI MS3Pro EVO+ - OEM-E 23: K-line (diagnostic): no free k_line on AMP EFI MS3Pro EVO+ - OEM-E 24: Multiplex communication (SEFMJ): no free k_line on AMP EFI MS3Pro EVO+ - OEM-E 27: Immobilizer code (IMOCD): not classified in the library; wire by hand - OEM-E 29: Service check signal (SCS): not classified in the library; wire by hand - OEM-E 30: Write enable signal (WEN): not classified in the library; wire by hand

Sources

ReliabilityKindTitleURL
4vendor_docAMP EFI: MS3Pro EVO+ / EVO+ HC manual (fw 1.6.1) pinout tableshttps://cdn.shopify.com/s/files/1/0960/0014/7754/files/MS3Pro_User_Manual_Firmware_1.6.1_EVO.pdf?v=1760643022
4vendor_docLink: CIVICLink K20X (HC20X) DC5 installation manualhttps://linkecu.com/documentation/237-4000%20DC5.pdf
3forumFFS TechNet: K-series 02-06 RSX ECU pin diagram (Helm)https://ff-squad.com/technet2/k-series-02-06-rsx-ecu-pin-diagram/