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RSX Type-S 2002-04 (K20A2) → rusEFI Proteus (auto)

RSX Type-S 2002-04 (K20A2) — rusEFI — Proteus
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-04

Revisions

RevLabelByDate
No revisions yet.

Schematic

OEM-AOEM-BOEM-EPROTEUS-Black23PROTEUS-Black35PROTEUS-White35SP-0VSP-14VSP-GND

Connectors

OEM-A

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1A/F sensor heater control (AFSHTC)—W52—0.5PROTEUS-Black35-23———
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)—W31—0.5PROTEUS-Black23-5———
8—————————
9Knock sensor (KS)—W36—0.5PROTEUS-White35-34———
10Sensor ground 2 (SG2)—W15—0.5SP-0V-1———
11Sensor ground 1 (SG1)—W16—0.5SP-0V-1———
12Idle air control valve (IACV)—W53—0.5PROTEUS-Black35-5———
13—————————
14—————————
15Throttle position sensor (TPS)—W63—0.5PROTEUS-White35-24———
16A/F sensor - (AFS-, wideband Vs)————————
17—————————
18Vehicle speed sensor (VSS, M/T)—W70—0.5PROTEUS-Black23-2———
19Manifold absolute pressure (MAP)—W62—0.5PROTEUS-White35-13———
20Sensor 5V supply 2 (VCC2)—W28—0.5PROTEUS-White35-10———
21Sensor 5V supply 1 (VCC1)—W29—0.5PROTEUS-White35-21———
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)—W33—0.5PROTEUS-Black23-4———
26Camshaft position B (CMP B)—W35—0.5PROTEUS-Black23-1———
27Ignition coil 4 (IGPLS4)—W40—0.5PROTEUS-Black35-33———
28Ignition coil 3 (IGPLS3)—W39—0.5PROTEUS-Black35-22———
29Ignition coil 2 (IGPLS2)—W38—0.5PROTEUS-Black35-34———
30Ignition coil 1 (IGPLS1)—W37—0.5PROTEUS-Black35-35———
31—————————

OEM-B

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1VTC oil control solenoid (+)—W55—0.5PROTEUS-Black35-7———
2Injector 4 (INJ4)—W44—0.5PROTEUS-Black35-16———
3Injector 3 (INJ3)—W43—0.5PROTEUS-Black35-4———
4Injector 2 (INJ2)—W42—0.5PROTEUS-Black35-15———
5Injector 1 (INJ1)—W41—0.5PROTEUS-Black35-3———
6Radiator fan control (FANC)—W47—0.5PROTEUS-Black35-9———
7Reverse lockout solenoid (RVS, Type-S)—W59—0.5PROTEUS-Black23-7———
8Coolant temp sensor (ECT)—W65—0.5PROTEUS-White35-20———
9VTEC oil pressure switch (VTPSW)—W72—0.5PROTEUS-Black23-3———
10Alternator L signal (ALTL)—W71—0.5PROTEUS-Black23-10———
11—————————
12—————————
13Alternator FR signal (ALTF)—W67—0.5PROTEUS-White35-25———
14—————————
15VTEC solenoid (VTS)—W54—0.5PROTEUS-Black35-6———
16—————————
17Intake air temp sensor (IAT)—W66—0.5PROTEUS-White35-30———
18Alternator control (ALTC)—W56—0.5PROTEUS-Black35-19———
19—————————
20—————————
21Evap canister purge valve (PCS)—W57—0.5PROTEUS-Black35-8———
22—————————
23VTC oil control solenoid (-)—W58—0.5PROTEUS-Black23-6———
24—————————

OEM-E

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Immobilizer fuel pump relay (IMO FPR)—W48—0.5PROTEUS-Black35-21———
2Secondary heated O2 sensor (SHO2S)—W64—0.5PROTEUS-White35-14———
3Logic ground 3 (LG3)—W8—0.85SP-GND-1———
4Sensor ground 3 (SG3)—W17—0.5SP-0V-1———
5Sensor 5V supply 3 (VCC3)—W30—0.5PROTEUS-White35-22———
6Secondary O2 heater control (SO2SHTC)—W51—0.5PROTEUS-Black35-12———
7Main relay control (MRLY)—W46—0.5PROTEUS-Black35-20———
8A/F sensor heater relay control (AFSHTCR)—W50—0.5PROTEUS-Black35-11———
9Ignition switch signal (IG1)—W45—0.5PROTEUS-Black23-18———
10—————————
11—————————
12—————————
13—————————
14Fuel tank pressure sensor (FTP)—W68—0.5PROTEUS-White35-15———
15Electrical load detector (ELD)—W69—0.5PROTEUS-White35-26———
16Power steering pressure switch (PSPSW)—W73—0.5PROTEUS-Black23-9———
17—————————
18A/C clutch relay (ACC)—W49—0.5PROTEUS-Black35-10———
19—————————
20Brake switch / interlock (2WBS)—W74—0.5PROTEUS-Black23-11———
21Evap vent shut valve (VSV)—W60—0.5PROTEUS-Black23-15———
22Brake switch (BKSW)—W75—0.5PROTEUS-White35-16———
23K-line (diagnostic)————————
24Multiplex communication (SEFMJ)————————
25—————————
26Engine speed pulse / tacho (NEP)————————
27Immobilizer code (IMOCD)————————
28—————————
29Service check signal (SCS)————————
30Write enable signal (WEN)————————
31Malfunction indicator lamp (MIL)—W61—0.5PROTEUS-Black23-8———

PROTEUS-Black23

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Digital 2—W35—0.5OEM-A-26———
10Digital 1—W71—0.5OEM-B-10———
11Digital 6—W74—0.5OEM-E-20———
12VR 2 negative—W34—0.5SP-0V-1———
13VR 1 negative—W32—0.5SP-0V-1———
14Power ground—W9—0.85SP-GND-1———
15ETB 2 positive—W60—0.5OEM-E-21———
16CAN 1 Low————————
17CAN 1 High————————
18Ignition switch in—W45—0.5OEM-E-9———
19Power ground—W10—0.85SP-GND-1———
2Digital 3—W70—0.5OEM-A-18———
20Power ground—W11—0.85SP-GND-1———
21CAN 2 Low————————
22CAN 2 High————————
23Main relay feed—W3—0.85SP-14V-1———
3Digital 4—W72—0.5OEM-B-9———
4VR 2 positive—W33—0.5OEM-A-25———
5VR 1 positive—W31—0.5OEM-A-7———
6ETB 1 negative—W58—0.5OEM-B-23———
7ETB 1 positive—W59—0.5OEM-B-7———
8ETB 2 negative—W61—0.5OEM-E-31———
9Digital 5—W73—0.5OEM-E-16———

PROTEUS-Black35

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Highside 2————————
10Lowside 13—W49—0.5OEM-E-18———
11Lowside 14—W50—0.5OEM-E-8———
12Lowside 15—W51—0.5OEM-E-6———
13Highside 3————————
14Highside 4————————
15Injector 2—W42—0.5OEM-B-4———
16Injector 4—W44—0.5OEM-B-2———
17Power ground—W12—0.85SP-GND-1———
18Power ground—W13—0.85SP-GND-1———
19Injector 8—W56—0.5OEM-B-18———
2Highside 1————————
20Lowside 10—W46—0.5OEM-E-7———
21Lowside 12—W48—0.5OEM-E-1———
22Ignition 3—W39—0.5OEM-A-28———
23Lowside 16—W52—0.5OEM-A-1———
24Power ground—W14—0.85SP-GND-1———
25Ignition 12————————
26Ignition 11————————
27Ignition 10————————
28Ignition 9————————
29Ignition 8————————
3Injector 1—W41—0.5OEM-B-5———
30Ignition 7————————
31Ignition 6————————
32Ignition 5————————
33Ignition 4—W40—0.5OEM-A-27———
34Ignition 2—W38—0.5OEM-A-29———
35Ignition 1—W37—0.5OEM-A-30———
4Injector 3—W43—0.5OEM-B-3———
5Injector 5—W53—0.5OEM-A-12———
6Injector 6—W54—0.5OEM-B-15———
7Injector 7—W55—0.5OEM-B-1———
8Injector 9—W57—0.5OEM-B-21———
9Lowside 11—W47—0.5OEM-B-6———

PROTEUS-White35

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Sensor ground—W18—0.5SP-0V-1———
105V supply #2—W28—0.5OEM-A-20———
1112V sensor supply————————
1212V sensor supply————————
13Analog Volt 1—W62—0.5OEM-A-19———
14Analog Volt 3—W64—0.5OEM-E-2———
15Analog Volt 5—W68—0.5OEM-E-14———
16Analog Volt 7—W75—0.5OEM-E-22———
17Analog Volt 9————————
18Analog Volt 11————————
19Thermistor 1————————
2Sensor ground—W19—0.5SP-0V-1———
20Coolant temp (CLT)—W65—0.5OEM-B-8———
215V supply #1—W29—0.5OEM-A-21———
225V supply #2—W30—0.5OEM-E-5———
23Sensor ground—W20—0.5SP-0V-1———
24Analog Volt 2—W63—0.5OEM-A-15———
25Analog Volt 4—W67—0.5OEM-B-13———
26Analog Volt 6—W69—0.5OEM-E-15———
27Analog Volt 8————————
28Analog Volt 10————————
29Sensor ground—W21—0.5SP-0V-1———
3Sensor ground—W22—0.5SP-0V-1———
30Intake air temp (IAT)—W66—0.5OEM-B-17———
31Thermistor 4————————
325V supply #1————————
335V supply #2————————
34Knock 1—W36—0.5OEM-A-9———
35Knock 2————————
4Sensor ground—W23—0.5SP-0V-1———
5Sensor ground—W24—0.5SP-0V-1———
6Sensor ground—W25—0.5SP-0V-1———
7Sensor ground—W26—0.5SP-0V-1———
8Sensor ground—W27—0.5SP-0V-1———
95V supply #1————————

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W15—0.5OEM-A-10———
1——W16—0.5OEM-A-11———
1——W17—0.5OEM-E-4———
1——W18—0.5PROTEUS-White35-1———
1——W19—0.5PROTEUS-White35-2———
1——W20—0.5PROTEUS-White35-23———
1——W21—0.5PROTEUS-White35-29———
1——W22—0.5PROTEUS-White35-3———
1——W23—0.5PROTEUS-White35-4———
1——W24—0.5PROTEUS-White35-5———
1——W25—0.5PROTEUS-White35-6———
1——W26—0.5PROTEUS-White35-7———
1——W27—0.5PROTEUS-White35-8———
1——W32—0.5PROTEUS-Black23-13———
1——W34—0.5PROTEUS-Black23-12———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-A-2———
1——W2—0.85OEM-A-3———
1——W3—0.85PROTEUS-Black23-23———

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—0.85PROTEUS-Black23-14———
1——W10—0.85PROTEUS-Black23-19———
1——W11—0.85PROTEUS-Black23-20———
1——W12—0.85PROTEUS-Black35-17———
1——W13—0.85PROTEUS-Black35-18———
1——W14—0.85PROTEUS-Black35-24———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-A-1A/F sensor heater control (AFSHTC)low_side_outPROTEUS-Black35-23Lowside 16low_side_outsingle_source
OEM-A-10Sensor ground 2 (SG2)sensor_groundPROTEUS-Black23-12 + PROTEUS-Black23-13 + PROTEUS-White35-1 + PROTEUS-White35-2 + PROTEUS-White35-23 + PROTEUS-White35-29 + PROTEUS-White35-3 + PROTEUS-White35-4 + PROTEUS-White35-5 + PROTEUS-White35-6 + PROTEUS-White35-7 + PROTEUS-White35-8VR 2 negative + VR 1 negative + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor groundsensor_ground + trigger_incorroborated
OEM-A-11Sensor ground 1 (SG1)sensor_groundPROTEUS-Black23-12 + PROTEUS-Black23-13 + PROTEUS-White35-1 + PROTEUS-White35-2 + PROTEUS-White35-23 + PROTEUS-White35-29 + PROTEUS-White35-3 + PROTEUS-White35-4 + PROTEUS-White35-5 + PROTEUS-White35-6 + PROTEUS-White35-7 + PROTEUS-White35-8VR 2 negative + VR 1 negative + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor groundsensor_ground + trigger_incorroborated
OEM-A-12Idle air control valve (IACV)low_side_outPROTEUS-Black35-5Injector 5injector_outcorroborated
OEM-A-15Throttle position sensor (TPS)analog_inPROTEUS-White35-24Analog Volt 2analog_incorroborated
OEM-A-16A/F sensor - (AFS-, wideband Vs)wb_vs———single_source
OEM-A-18Vehicle speed sensor (VSS, M/T)digital_inPROTEUS-Black23-2Digital 3digital_incorroborated
OEM-A-19Manifold absolute pressure (MAP)analog_inPROTEUS-White35-13Analog Volt 1analog_incorroborated
OEM-A-2Ignition power 2 (IGP2)power_inPROTEUS-Black23-23Main relay feedpower_incorroborated
OEM-A-20Sensor 5V supply 2 (VCC2)vrefPROTEUS-White35-105V supply #2vrefcorroborated
OEM-A-21Sensor 5V supply 1 (VCC1)vrefPROTEUS-White35-215V supply #1vrefcorroborated
OEM-A-22A/F sensor heater supply (AFSHTC+)power_out———single_source
OEM-A-23Logic ground 2 (LG2)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-A-24Logic ground 1 (LG1)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-A-25Camshaft position A (CMP A)trigger_inPROTEUS-Black23-4VR 2 positivetrigger_insingle_source
OEM-A-26Camshaft position B (CMP B)trigger_inPROTEUS-Black23-1Digital 2trigger_insingle_source
OEM-A-27Ignition coil 4 (IGPLS4)ignition_outPROTEUS-Black35-33Ignition 4ignition_outcorroborated
OEM-A-28Ignition coil 3 (IGPLS3)ignition_outPROTEUS-Black35-22Ignition 3ignition_outcorroborated
OEM-A-29Ignition coil 2 (IGPLS2)ignition_outPROTEUS-Black35-34Ignition 2ignition_outcorroborated
OEM-A-3Ignition power 1 (IGP1)power_inPROTEUS-Black23-23Main relay feedpower_incorroborated
OEM-A-30Ignition coil 1 (IGPLS1)ignition_outPROTEUS-Black35-35Ignition 1ignition_outcorroborated
OEM-A-4Power ground 2 (PG2)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-A-5Power ground 1 (PG1)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-A-6A/F sensor + (AFS+, wideband Ip)wb_ip———single_source
OEM-A-7Crank position sensor (CKP)trigger_inPROTEUS-Black23-5VR 1 positivetrigger_incorroborated
OEM-A-9Knock sensor (KS)knock_inPROTEUS-White35-34Knock 1knock_incorroborated
OEM-B-1VTC oil control solenoid (+)low_side_outPROTEUS-Black35-7Injector 7injector_outcorroborated
OEM-B-10Alternator L signal (ALTL)digital_inPROTEUS-Black23-10Digital 1digital_insingle_source
OEM-B-13Alternator FR signal (ALTF)analog_inPROTEUS-White35-25Analog Volt 4analog_insingle_source
OEM-B-15VTEC solenoid (VTS)low_side_outPROTEUS-Black35-6Injector 6injector_outsingle_source
OEM-B-17Intake air temp sensor (IAT)temp_inPROTEUS-White35-30Intake air temp (IAT)temp_incorroborated
OEM-B-18Alternator control (ALTC)low_side_outPROTEUS-Black35-19Injector 8injector_outcorroborated
OEM-B-2Injector 4 (INJ4)injector_outPROTEUS-Black35-16Injector 4injector_outcorroborated
OEM-B-21Evap canister purge valve (PCS)low_side_outPROTEUS-Black35-8Injector 9injector_outcorroborated
OEM-B-23VTC oil control solenoid (-)low_side_outPROTEUS-Black23-6ETB 1 negativehbridge_outcorroborated
OEM-B-3Injector 3 (INJ3)injector_outPROTEUS-Black35-4Injector 3injector_outcorroborated
OEM-B-4Injector 2 (INJ2)injector_outPROTEUS-Black35-15Injector 2injector_outcorroborated
OEM-B-5Injector 1 (INJ1)injector_outPROTEUS-Black35-3Injector 1injector_outcorroborated
OEM-B-6Radiator fan control (FANC)low_side_outPROTEUS-Black35-9Lowside 11low_side_outcorroborated
OEM-B-7Reverse lockout solenoid (RVS, Type-S)low_side_outPROTEUS-Black23-7ETB 1 positivehbridge_outcorroborated
OEM-B-8Coolant temp sensor (ECT)temp_inPROTEUS-White35-20Coolant temp (CLT)temp_incorroborated
OEM-B-9VTEC oil pressure switch (VTPSW)digital_inPROTEUS-Black23-3Digital 4digital_incorroborated
OEM-E-1Immobilizer fuel pump relay (IMO FPR)low_side_outPROTEUS-Black35-21Lowside 12low_side_outcorroborated
OEM-E-14Fuel tank pressure sensor (FTP)analog_inPROTEUS-White35-15Analog Volt 5analog_incorroborated
OEM-E-15Electrical load detector (ELD)analog_inPROTEUS-White35-26Analog Volt 6analog_incorroborated
OEM-E-16Power steering pressure switch (PSPSW)digital_inPROTEUS-Black23-9Digital 5digital_incorroborated
OEM-E-18A/C clutch relay (ACC)low_side_outPROTEUS-Black35-10Lowside 13low_side_outcorroborated
OEM-E-2Secondary heated O2 sensor (SHO2S)lambda_nb_inPROTEUS-White35-14Analog Volt 3analog_incorroborated
OEM-E-20Brake switch / interlock (2WBS)digital_inPROTEUS-Black23-11Digital 6digital_insingle_source
OEM-E-21Evap vent shut valve (VSV)low_side_outPROTEUS-Black23-15ETB 2 positivehbridge_outcorroborated
OEM-E-22Brake switch (BKSW)digital_inPROTEUS-White35-16Analog Volt 7analog_incorroborated
OEM-E-23K-line (diagnostic)serial———single_source
OEM-E-24Multiplex communication (SEFMJ)serial———corroborated
OEM-E-26Engine speed pulse / tacho (NEP)tacho_out———corroborated
OEM-E-27Immobilizer code (IMOCD)————single_source
OEM-E-29Service check signal (SCS)————single_source
OEM-E-3Logic ground 3 (LG3)groundPROTEUS-Black23-14 + PROTEUS-Black23-19 + PROTEUS-Black23-20 + PROTEUS-Black35-17 + PROTEUS-Black35-18 + PROTEUS-Black35-24Power ground + Power ground + Power ground + Power ground + Power ground + Power groundgroundcorroborated
OEM-E-30Write enable signal (WEN)————single_source
OEM-E-31Malfunction indicator lamp (MIL)low_side_outPROTEUS-Black23-8ETB 2 negativehbridge_outcorroborated
OEM-E-4Sensor ground 3 (SG3)sensor_groundPROTEUS-Black23-12 + PROTEUS-Black23-13 + PROTEUS-White35-1 + PROTEUS-White35-2 + PROTEUS-White35-23 + PROTEUS-White35-29 + PROTEUS-White35-3 + PROTEUS-White35-4 + PROTEUS-White35-5 + PROTEUS-White35-6 + PROTEUS-White35-7 + PROTEUS-White35-8VR 2 negative + VR 1 negative + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor ground + Sensor groundsensor_ground + trigger_incorroborated
OEM-E-5Sensor 5V supply 3 (VCC3)vrefPROTEUS-White35-225V supply #2vrefcorroborated
OEM-E-6Secondary O2 heater control (SO2SHTC)low_side_outPROTEUS-Black35-12Lowside 15low_side_outcorroborated
OEM-E-7Main relay control (MRLY)low_side_outPROTEUS-Black35-20Lowside 10low_side_outcorroborated
OEM-E-8A/F sensor heater relay control (AFSHTCR)low_side_outPROTEUS-Black35-11Lowside 14low_side_outcorroborated
OEM-E-9Ignition switch signal (IG1)digital_inPROTEUS-Black23-18Ignition switch 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-1PROTEUS-Black23-230.85no routeMain relay feed—
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-1PROTEUS-Black23-140.85no routePower ground—
W10SP-GND-1PROTEUS-Black23-190.85no routePower ground—
W11SP-GND-1PROTEUS-Black23-200.85no routePower ground—
W12SP-GND-1PROTEUS-Black35-170.85no routePower ground—
W13SP-GND-1PROTEUS-Black35-180.85no routePower ground—
W14SP-GND-1PROTEUS-Black35-240.85no routePower ground—
W15OEM-A-10SP-0V-10.5no routeSensor ground 2 (SG2)—
W16OEM-A-11SP-0V-10.5no routeSensor ground 1 (SG1)—
W17OEM-E-4SP-0V-10.5no routeSensor ground 3 (SG3)—
W18SP-0V-1PROTEUS-White35-10.5no routeSensor ground—
W19SP-0V-1PROTEUS-White35-20.5no routeSensor ground—
W20SP-0V-1PROTEUS-White35-230.5no routeSensor ground—
W21SP-0V-1PROTEUS-White35-290.5no routeSensor ground—
W22SP-0V-1PROTEUS-White35-30.5no routeSensor ground—
W23SP-0V-1PROTEUS-White35-40.5no routeSensor ground—
W24SP-0V-1PROTEUS-White35-50.5no routeSensor ground—
W25SP-0V-1PROTEUS-White35-60.5no routeSensor ground—
W26SP-0V-1PROTEUS-White35-70.5no routeSensor ground—
W27SP-0V-1PROTEUS-White35-80.5no routeSensor ground—
W28OEM-A-20PROTEUS-White35-100.5no routeSensor 5V supply 2 (VCC2)—
W29OEM-A-21PROTEUS-White35-210.5no routeSensor 5V supply 1 (VCC1)—
W30OEM-E-5PROTEUS-White35-220.5no routeSensor 5V supply 3 (VCC3)—
W31OEM-A-7PROTEUS-Black23-50.5no routeCrank position sensor (CKP)—
W32SP-0V-1PROTEUS-Black23-130.5no routeVR 1 negative—
W33OEM-A-25PROTEUS-Black23-40.5no routeCamshaft position A (CMP A)—
W34SP-0V-1PROTEUS-Black23-120.5no routeVR 2 negative—
W35OEM-A-26PROTEUS-Black23-10.5no routeCamshaft position B (CMP B)—
W36OEM-A-9PROTEUS-White35-340.5no routeKnock sensor (KS)—
W37OEM-A-30PROTEUS-Black35-350.5no routeIgnition coil 1 (IGPLS1)—
W38OEM-A-29PROTEUS-Black35-340.5no routeIgnition coil 2 (IGPLS2)—
W39OEM-A-28PROTEUS-Black35-220.5no routeIgnition coil 3 (IGPLS3)—
W40OEM-A-27PROTEUS-Black35-330.5no routeIgnition coil 4 (IGPLS4)—
W41OEM-B-5PROTEUS-Black35-30.5no routeInjector 1 (INJ1)—
W42OEM-B-4PROTEUS-Black35-150.5no routeInjector 2 (INJ2)—
W43OEM-B-3PROTEUS-Black35-40.5no routeInjector 3 (INJ3)—
W44OEM-B-2PROTEUS-Black35-160.5no routeInjector 4 (INJ4)—
W45OEM-E-9PROTEUS-Black23-180.5no routeIgnition switch signal (IG1)—
W46OEM-E-7PROTEUS-Black35-200.5no routeMain relay control (MRLY)—
W47OEM-B-6PROTEUS-Black35-90.5no routeRadiator fan control (FANC)—
W48OEM-E-1PROTEUS-Black35-210.5no routeImmobilizer fuel pump relay (IMO FPR)—
W49OEM-E-18PROTEUS-Black35-100.5no routeA/C clutch relay (ACC)—
W50OEM-E-8PROTEUS-Black35-110.5no routeA/F sensor heater relay control (AFSHTCR)—
W51OEM-E-6PROTEUS-Black35-120.5no routeSecondary O2 heater control (SO2SHTC)—
W52OEM-A-1PROTEUS-Black35-230.5no routeA/F sensor heater control (AFSHTC)—
W53OEM-A-12PROTEUS-Black35-50.5no routeIdle air control valve (IACV)—
W54OEM-B-15PROTEUS-Black35-60.5no routeVTEC solenoid (VTS)—
W55OEM-B-1PROTEUS-Black35-70.5no routeVTC oil control solenoid (+)—
W56OEM-B-18PROTEUS-Black35-190.5no routeAlternator control (ALTC)—
W57OEM-B-21PROTEUS-Black35-80.5no routeEvap canister purge valve (PCS)—
W58OEM-B-23PROTEUS-Black23-60.5no routeVTC oil control solenoid (-)—
W59OEM-B-7PROTEUS-Black23-70.5no routeReverse lockout solenoid (RVS, Type-S)—
W60OEM-E-21PROTEUS-Black23-150.5no routeEvap vent shut valve (VSV)—
W61OEM-E-31PROTEUS-Black23-80.5no routeMalfunction indicator lamp (MIL)—
W62OEM-A-19PROTEUS-White35-130.5no routeManifold absolute pressure (MAP)—
W63OEM-A-15PROTEUS-White35-240.5no routeThrottle position sensor (TPS)—
W64OEM-E-2PROTEUS-White35-140.5no routeSecondary heated O2 sensor (SHO2S)—
W65OEM-B-8PROTEUS-White35-200.5no routeCoolant temp sensor (ECT)—
W66OEM-B-17PROTEUS-White35-300.5no routeIntake air temp sensor (IAT)—
W67OEM-B-13PROTEUS-White35-250.5no routeAlternator FR signal (ALTF)—
W68OEM-E-14PROTEUS-White35-150.5no routeFuel tank pressure sensor (FTP)—
W69OEM-E-15PROTEUS-White35-260.5no routeElectrical load detector (ELD)—
W70OEM-A-18PROTEUS-Black23-20.5no routeVehicle speed sensor (VSS, M/T)—
W71OEM-B-10PROTEUS-Black23-100.5no routeAlternator L signal (ALTL)—
W72OEM-B-9PROTEUS-Black23-30.5no routeVTEC oil pressure switch (VTPSW)—
W73OEM-E-16PROTEUS-Black23-90.5no routePower steering pressure switch (PSPSW)—
W74OEM-E-20PROTEUS-Black23-110.5no routeBrake switch / interlock (2WBS)—
W75OEM-E-22PROTEUS-White35-160.5no 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 (15)

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_FAMILYOEM-B-23 ↔ PROTEUS-Black23-6OEM-B-23 "VTC oil control solenoid (-)" [low_side_out] is wired to PROTEUS-Black23-6 "ETB 1 negative" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-B-7 ↔ PROTEUS-Black23-7OEM-B-7 "Reverse lockout solenoid (RVS, Type-S)" [low_side_out] is wired to PROTEUS-Black23-7 "ETB 1 positive" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-E-21 ↔ PROTEUS-Black23-15OEM-E-21 "Evap vent shut valve (VSV)" [low_side_out] is wired to PROTEUS-Black23-15 "ETB 2 positive" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-E-22 ↔ PROTEUS-White35-16OEM-E-22 "Brake switch (BKSW)" [digital_in] is wired to PROTEUS-White35-16 "Analog Volt 7" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value.
warnNET_FAMILYOEM-E-31 ↔ PROTEUS-Black23-8OEM-E-31 "Malfunction indicator lamp (MIL)" [low_side_out] is wired to PROTEUS-Black23-8 "ETB 2 negative" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
infoNET_FAMILYOEM-A-12 ↔ PROTEUS-Black35-5OEM-A-12 "Idle air control valve (IACV)" [low_side_out] is wired to PROTEUS-Black35-5 "Injector 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-B-15 ↔ PROTEUS-Black35-6OEM-B-15 "VTEC solenoid (VTS)" [low_side_out] is wired to PROTEUS-Black35-6 "Injector 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-B-18 ↔ PROTEUS-Black35-19OEM-B-18 "Alternator control (ALTC)" [low_side_out] is wired to PROTEUS-Black35-19 "Injector 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-B-1 ↔ PROTEUS-Black35-7OEM-B-1 "VTC oil control solenoid (+)" [low_side_out] is wired to PROTEUS-Black35-7 "Injector 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYOEM-B-21 ↔ PROTEUS-Black35-8OEM-B-21 "Evap canister purge valve (PCS)" [low_side_out] is wired to PROTEUS-Black35-8 "Injector 9" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency.
infoNET_FAMILYPROTEUS-White35-5 ↔ PROTEUS-Black23-12PROTEUS-White35-5 "Sensor ground" [sensor_ground] is wired to PROTEUS-Black23-12 "VR 2 negative" [trigger_in]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs.
infoUNMAPPEDOEM9 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-26 Engine speed pulse / tacho (NEP); 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-E 26: Engine speed pulse / tacho (NEP): no free tacho/frequency_out/low_side/ls_hs on rusEFI Proteus - OEM-A 6: A/F sensor + (AFS+, wideband Ip): no free wb_ip on rusEFI Proteus - OEM-A 16: A/F sensor - (AFS-, wideband Vs): no free wb_vs on rusEFI Proteus - OEM-A 22: A/F sensor heater supply (AFSHTC+): no free heater_feed on rusEFI Proteus - OEM-E 23: K-line (diagnostic): no free k_line on rusEFI Proteus - OEM-E 24: Multiplex communication (SEFMJ): no free k_line on rusEFI Proteus - 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_docLink: CIVICLink K20X (HC20X) DC5 installation manualhttps://linkecu.com/documentation/237-4000%20DC5.pdf
4vendor_docrusEFI Proteus — board connector definitions (Black35 / White35 / Black23)https://github.com/rusefi/rusefi/tree/master/firmware/config/boards/proteus/connectors
3forumFFS TechNet: K-series 02-06 RSX ECU pin diagram (Helm)https://ff-squad.com/technet2/k-series-02-06-rsx-ecu-pin-diagram/