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RSX Type-S 2005-06 (K20Z1) → Emtron SL4 (auto)

RSX Type-S 2005-06 (K20Z1) — Emtron — SL4
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-04

Revisions

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Schematic

OEM-AOEM-BOEM-ESL4-ASL4-BSP-0VSP-14VSP-GND

Connectors

OEM-A

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Knock sensor (KS)—W21—0.5SL4-B-16———
2Ignition power 2 (IGP2)—W1—0.85SP-14V-1———
3Ignition power 1 (IGP1)—W2—0.85SP-14V-1———
4Power ground 2 (PG2)—W5—0.85SP-GND-1———
5Power ground 1 (PG1)—W6—0.85SP-GND-1———
6Camshaft position B (CMP B)————————
7Crank position sensor (CKP)—W17—0.5SL4-B-5———
8Logic ground 2 (LG2)—W7—0.85SP-GND-1———
9Logic ground 1 (LG1)—W8—0.85SP-GND-1———
10A/F sensor heater control (AFSHTC)—W37—0.5SL4-A-11———
11—————————
12Idle air control valve (IACV)—W38—0.5SL4-A-12———
13Ignition coil 4 (IGPLS4)—W25—0.5SL4-A-29———
14Ignition coil 3 (IGPLS3)—W24—0.5SL4-A-28———
15Ignition coil 2 (IGPLS2)—W23—0.5SL4-A-27———
16Ignition coil 1 (IGPLS1)—W22—0.5SL4-A-26———
17—————————
18Neutral position switch (NC)—W50—0.5SL4-A-20———
19Camshaft position A (CMP A)—W19—0.5SL4-B-7———
20Sensor 5V supply 2 (VCC2)—W16—0.5SL4-B-2———
21Sensor 5V supply 1 (VCC1)————————
22—————————
23Sensor ground 2 (SG2)—W12—0.5SP-0V-1———
24Sensor ground 1 (SG1)—W13—0.5SP-0V-1———
25—————————
26—————————
27—————————
28A/F sensor - (AFS-, wideband Vs)————————
29Throttle position sensor (TPS)—W43—0.5SL4-B-12———
30Manifold absolute pressure (MAP)—W42—0.5SL4-B-11———
31A/F sensor + (AFS+, wideband Ip)————————

OEM-B

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1VTC oil control solenoid (+)—W40—0.5SL4-A-18———
2Injector 4 (INJ4)—W29—0.5SL4-A-4———
3Injector 3 (INJ3)—W28—0.5SL4-A-3———
4Injector 2 (INJ2)—W27—0.5SL4-A-2———
5Injector 1 (INJ1)—W26—0.5SL4-A-1———
6VTEC solenoid (VTS)—W39—0.5SL4-A-13———
7—————————
8Coolant temp sensor (ECT)—W45—0.5SL4-B-14———
9—————————
10Alternator L signal (ALTL)—W51—0.5SL4-A-21———
11VTEC oil pressure switch (VTPSW)—W52—0.5SL4-A-22———
12—————————
13Alternator FR signal (ALTF)—W47—0.5SL4-B-19———
14—————————
15—————————
16—————————
17Intake air temp sensor (IAT)—W46—0.5SL4-B-15———
18Alternator control (ALTC)—W41—0.5SL4-A-19———
19—————————
20—————————
21Evap canister purge valve (PCS)————————
22—————————
23—————————
24—————————

OEM-E

Mating face
Wire side
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1—————————
2—————————
3Reverse lockout solenoid (RVS, Type-S)————————
4Logic ground 3 (LG3)—W9—0.85SP-GND-1———
5Sensor ground 3 (SG3)—W14—0.5SP-0V-1———
6Sensor 5V supply 3 (VCC3)————————
7—————————
8Main relay control (MRLY)—W31—0.5SL4-B-3———
9A/F sensor heater relay control (AFSHTCR)—W35—0.5SL4-A-17———
10Ignition switch signal (IG1)—W30—0.5SL4-B-4———
11—————————
12Radiator fan control (FANC)—W32—0.5SL4-A-14———
13Multiplex communication (SEFMJ)————————
14Fuel tank pressure sensor (FTP)—W48—0.5SL4-B-20———
15Electrical load detector (ELD)—W49—0.5SL4-B-21———
16Power steering pressure switch (PSPSW)—W53—0.5SL4-A-23———
17Immobilizer fuel pump relay (IMO FPR)—W33—0.5SL4-A-15———
18A/C clutch relay (ACC)—W34—0.5SL4-A-16———
19Evap vent shut valve (VSV)————————
20Secondary heated O2 sensor (SHO2S)—W44—0.5SL4-B-13———
21Secondary O2 heater control (SO2SHTC)—W36—0.5SL4-A-10———
22Brake switch (BKSW)—W54—0.5SL4-A-24———
23K-line (diagnostic)————————
24—————————
25Engine speed pulse / tacho (NEP)————————
26Vehicle speed output (VSSOUT)————————
27Immobilizer code (IMOCD)————————
28—————————
29Service check signal (SCS)————————
30Write enable signal (WEN)————————
31Malfunction indicator lamp (MIL)————————

SL4-A

Mating face
SL4-A-1 · Injection channel 11SL4-A-2 · Injection channel 22SL4-A-3 · Injection channel 33SL4-A-4 · Injection channel 44SL4-A-5 · NC5SL4-A-6 · NC6SL4-A-7 · NC7SL4-A-8 · NC8SL4-A-9 · Sensor supply 8V9SL4-A-10 · Auxiliary output 110SL4-A-11 · Auxiliary output 211SL4-A-12 · Auxiliary output 312SL4-A-13 · Auxiliary output 413SL4-A-14 · Auxiliary output 514SL4-A-15 · Auxiliary output 615SL4-A-16 · Auxiliary output 716SL4-A-17 · Auxiliary output 817SL4-A-18 · Auxiliary output 918SL4-A-19 · Auxiliary output 1019SL4-A-20 · Digital input 120SL4-A-21 · Digital input 221SL4-A-22 · Digital input 322SL4-A-23 · Digital input 423SL4-A-24 · Digital input 524SL4-A-25 · Digital input 625SL4-A-26 · Ignition channel 126SL4-A-27 · Ignition channel 227SL4-A-28 · Ignition channel 328SL4-A-29 · Ignition channel 429SL4-A-30 · NC30SL4-A-31 · NC31SL4-A-32 · NC32SL4-A-33 · NC33SL4-A-34 · Aux 9–10 14V supply34
Wire side
SL4-A-1 · Injection channel 11SL4-A-2 · Injection channel 22SL4-A-3 · Injection channel 33SL4-A-4 · Injection channel 44SL4-A-5 · NC5SL4-A-6 · NC6SL4-A-7 · NC7SL4-A-8 · NC8SL4-A-9 · Sensor supply 8V9SL4-A-10 · Auxiliary output 110SL4-A-11 · Auxiliary output 211SL4-A-12 · Auxiliary output 312SL4-A-13 · Auxiliary output 413SL4-A-14 · Auxiliary output 514SL4-A-15 · Auxiliary output 615SL4-A-16 · Auxiliary output 716SL4-A-17 · Auxiliary output 817SL4-A-18 · Auxiliary output 918SL4-A-19 · Auxiliary output 1019SL4-A-20 · Digital input 120SL4-A-21 · Digital input 221SL4-A-22 · Digital input 322SL4-A-23 · Digital input 423SL4-A-24 · Digital input 524SL4-A-25 · Digital input 625SL4-A-26 · Ignition channel 126SL4-A-27 · Ignition channel 227SL4-A-28 · Ignition channel 328SL4-A-29 · Ignition channel 429SL4-A-30 · NC30SL4-A-31 · NC31SL4-A-32 · NC32SL4-A-33 · NC33SL4-A-34 · Aux 9–10 14V supply34
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Injection channel 1—W26—0.5OEM-B-5———
2Injection channel 2—W27—0.5OEM-B-4———
3Injection channel 3—W28—0.5OEM-B-3———
4Injection channel 4—W29—0.5OEM-B-2———
5NC————————
6NC————————
7NC————————
8NC————————
9Sensor supply 8V————————
10Auxiliary output 1—W36—0.5OEM-E-21———
11Auxiliary output 2—W37—0.5OEM-A-10———
12Auxiliary output 3—W38—0.5OEM-A-12———
13Auxiliary output 4—W39—0.5OEM-B-6———
14Auxiliary output 5—W32—0.5OEM-E-12———
15Auxiliary output 6—W33—0.5OEM-E-17———
16Auxiliary output 7—W34—0.5OEM-E-18———
17Auxiliary output 8—W35—0.5OEM-E-9———
18Auxiliary output 9—W40—0.5OEM-B-1———
19Auxiliary output 10—W41—0.5OEM-B-18———
20Digital input 1—W50—0.5OEM-A-18———
21Digital input 2—W51—0.5OEM-B-10———
22Digital input 3—W52—0.5OEM-B-11———
23Digital input 4—W53—0.5OEM-E-16———
24Digital input 5—W54—0.5OEM-E-22———
25Digital input 6————————
26Ignition channel 1—W22—0.5OEM-A-16———
27Ignition channel 2—W23—0.5OEM-A-15———
28Ignition channel 3—W24—0.5OEM-A-14———
29Ignition channel 4—W25—0.5OEM-A-13———
30NC————————
31NC————————
32NC————————
33NC————————
34Aux 9–10 14V supply—W3—0.85SP-14V-1———

SL4-B

Mating face
SL4-B-1 · ECU 14V supply1SL4-B-2 · Sensor supply Vref1 5.0V2SL4-B-3 · EFI relay output (low side, 200 mA)3SL4-B-4 · Ignition switch input4SL4-B-5 · Crank index sensor +5SL4-B-6 · Crank index sensor −6SL4-B-7 · Sync sensor +7SL4-B-8 · Sync sensor −8SL4-B-9 · Shield (crank/sync/knock)9SL4-B-10 · Analog sensor 0V reference10SL4-B-11 · Analog input 111SL4-B-12 · Analog input 212SL4-B-13 · Analog input 313SL4-B-14 · Analog input 414SL4-B-15 · Analog input 515SL4-B-16 · Knock 1 +16SL4-B-17 · Knock 1 −17SL4-B-18 · ECU ground18SL4-B-19 · Analog input 619SL4-B-20 · Analog input 7 (switchable 1k pull-up)20SL4-B-21 · Analog input 8 (switchable 1k pull-up)21SL4-B-22 · Analog input 9 (switchable 1k pull-up)22SL4-B-23 · Analog input 10 (switchable 1k pull-up)23SL4-B-24 · Knock 2 +24SL4-B-25 · Knock 2 −25SL4-B-26 · ECU ground26SL4-B-27 · CAN 1 H27SL4-B-28 · CAN 1 L28SL4-B-29 · NC29SL4-B-30 · NC30SL4-B-31 · Ethernet Tx +31SL4-B-32 · Ethernet Tx −32SL4-B-33 · Ethernet Rx +33SL4-B-34 · Ethernet Rx −34
Wire side
SL4-B-1 · ECU 14V supply1SL4-B-2 · Sensor supply Vref1 5.0V2SL4-B-3 · EFI relay output (low side, 200 mA)3SL4-B-4 · Ignition switch input4SL4-B-5 · Crank index sensor +5SL4-B-6 · Crank index sensor −6SL4-B-7 · Sync sensor +7SL4-B-8 · Sync sensor −8SL4-B-9 · Shield (crank/sync/knock)9SL4-B-10 · Analog sensor 0V reference10SL4-B-11 · Analog input 111SL4-B-12 · Analog input 212SL4-B-13 · Analog input 313SL4-B-14 · Analog input 414SL4-B-15 · Analog input 515SL4-B-16 · Knock 1 +16SL4-B-17 · Knock 1 −17SL4-B-18 · ECU ground18SL4-B-19 · Analog input 619SL4-B-20 · Analog input 7 (switchable 1k pull-up)20SL4-B-21 · Analog input 8 (switchable 1k pull-up)21SL4-B-22 · Analog input 9 (switchable 1k pull-up)22SL4-B-23 · Analog input 10 (switchable 1k pull-up)23SL4-B-24 · Knock 2 +24SL4-B-25 · Knock 2 −25SL4-B-26 · ECU ground26SL4-B-27 · CAN 1 H27SL4-B-28 · CAN 1 L28SL4-B-29 · NC29SL4-B-30 · NC30SL4-B-31 · Ethernet Tx +31SL4-B-32 · Ethernet Tx −32SL4-B-33 · Ethernet Rx +33SL4-B-34 · Ethernet Rx −34
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1ECU 14V supply—W4—0.85SP-14V-1———
2Sensor supply Vref1 5.0V—W16—0.5OEM-A-20———
3EFI relay output (low side, 200 mA)—W31—0.5OEM-E-8———
4Ignition switch input—W30—0.5OEM-E-10———
5Crank index sensor +—W17—0.5OEM-A-7———
6Crank index sensor −—W18—0.5SP-0V-1———
7Sync sensor +—W19—0.5OEM-A-19———
8Sync sensor −—W20—0.5SP-0V-1———
9Shield (crank/sync/knock)————————
10Analog sensor 0V reference—W15—0.5SP-0V-1———
11Analog input 1—W42—0.5OEM-A-30———
12Analog input 2—W43—0.5OEM-A-29———
13Analog input 3—W44—0.5OEM-E-20———
14Analog input 4—W45—0.5OEM-B-8———
15Analog input 5—W46—0.5OEM-B-17———
16Knock 1 +—W21—0.5OEM-A-1———
17Knock 1 −————————
18ECU ground—W10—0.85SP-GND-1———
19Analog input 6—W47—0.5OEM-B-13———
20Analog input 7 (switchable 1k pull-up)—W48—0.5OEM-E-14———
21Analog input 8 (switchable 1k pull-up)—W49—0.5OEM-E-15———
22Analog input 9 (switchable 1k pull-up)————————
23Analog input 10 (switchable 1k pull-up)————————
24Knock 2 +————————
25Knock 2 −————————
26ECU ground—W11—0.85SP-GND-1———
27CAN 1 H————————
28CAN 1 L————————
29NC————————
30NC————————
31Ethernet Tx +————————
32Ethernet Tx −————————
33Ethernet Rx +————————
34Ethernet Rx −————————

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W13—0.5OEM-A-24———
1——W12—0.5OEM-A-23———
1——W14—0.5OEM-E-5———
1——W15—0.5SL4-B-10———
1——W18—0.5SL4-B-6———
1——W20—0.5SL4-B-8———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-A-2———
1——W2—0.85OEM-A-3———
1——W3—0.85SL4-A-34———
1——W4—0.85SL4-B-1———

SP-GND

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W5—0.85OEM-A-4———
1——W6—0.85OEM-A-5———
1——W7—0.85OEM-A-8———
1——W8—0.85OEM-A-9———
1——W9—0.85OEM-E-4———
1——W10—0.85SL4-B-18———
1——W11—0.85SL4-B-26———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-A-1Knock sensor (KS)knock_inSL4-B-16Knock 1 +knock_insingle_source
OEM-A-10A/F sensor heater control (AFSHTC)low_side_outSL4-A-11Auxiliary output 2switch_outsingle_source
OEM-A-12Idle air control valve (IACV)low_side_outSL4-A-12Auxiliary output 3switch_outsingle_source
OEM-A-13Ignition coil 4 (IGPLS4)ignition_outSL4-A-29Ignition channel 4ignition_outsingle_source
OEM-A-14Ignition coil 3 (IGPLS3)ignition_outSL4-A-28Ignition channel 3ignition_outsingle_source
OEM-A-15Ignition coil 2 (IGPLS2)ignition_outSL4-A-27Ignition channel 2ignition_outsingle_source
OEM-A-16Ignition coil 1 (IGPLS1)ignition_outSL4-A-26Ignition channel 1ignition_outsingle_source
OEM-A-18Neutral position switch (NC)digital_inSL4-A-20Digital input 1digital_insingle_source
OEM-A-19Camshaft position A (CMP A)trigger_inSL4-B-7Sync sensor +trigger_insingle_source
OEM-A-2Ignition power 2 (IGP2)power_inSL4-A-34 + SL4-B-1Aux 9–10 14V supply + ECU 14V supplypower_insingle_source
OEM-A-20Sensor 5V supply 2 (VCC2)vrefSL4-B-2Sensor supply Vref1 5.0Vvrefsingle_source
OEM-A-21Sensor 5V supply 1 (VCC1)vref———single_source
OEM-A-23Sensor ground 2 (SG2)sensor_groundSL4-B-10 + SL4-B-6 + SL4-B-8Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A-24Sensor ground 1 (SG1)sensor_groundSL4-B-10 + SL4-B-6 + SL4-B-8Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A-28A/F sensor - (AFS-, wideband Vs)wb_vs———single_source
OEM-A-29Throttle position sensor (TPS)analog_inSL4-B-12Analog input 2analog_insingle_source
OEM-A-3Ignition power 1 (IGP1)power_inSL4-A-34 + SL4-B-1Aux 9–10 14V supply + ECU 14V supplypower_insingle_source
OEM-A-30Manifold absolute pressure (MAP)analog_inSL4-B-11Analog input 1analog_insingle_source
OEM-A-31A/F sensor + (AFS+, wideband Ip)wb_ip———single_source
OEM-A-4Power ground 2 (PG2)groundSL4-B-18 + SL4-B-26ECU ground + ECU groundgroundsingle_source
OEM-A-5Power ground 1 (PG1)groundSL4-B-18 + SL4-B-26ECU ground + ECU groundgroundsingle_source
OEM-A-6Camshaft position B (CMP B)trigger_in———single_source
OEM-A-7Crank position sensor (CKP)trigger_inSL4-B-5Crank index sensor +trigger_insingle_source
OEM-A-8Logic ground 2 (LG2)groundSL4-B-18 + SL4-B-26ECU ground + ECU groundgroundsingle_source
OEM-A-9Logic ground 1 (LG1)groundSL4-B-18 + SL4-B-26ECU ground + ECU groundgroundsingle_source
OEM-B-1VTC oil control solenoid (+)low_side_outSL4-A-18Auxiliary output 9hbridge_outsingle_source
OEM-B-10Alternator L signal (ALTL)digital_inSL4-A-21Digital input 2digital_insingle_source
OEM-B-11VTEC oil pressure switch (VTPSW)digital_inSL4-A-22Digital input 3digital_insingle_source
OEM-B-13Alternator FR signal (ALTF)analog_inSL4-B-19Analog input 6analog_insingle_source
OEM-B-17Intake air temp sensor (IAT)temp_inSL4-B-15Analog input 5analog_insingle_source
OEM-B-18Alternator control (ALTC)low_side_outSL4-A-19Auxiliary output 10hbridge_outsingle_source
OEM-B-2Injector 4 (INJ4)injector_outSL4-A-4Injection channel 4injector_outsingle_source
OEM-B-21Evap canister purge valve (PCS)low_side_out———single_source
OEM-B-3Injector 3 (INJ3)injector_outSL4-A-3Injection channel 3injector_outsingle_source
OEM-B-4Injector 2 (INJ2)injector_outSL4-A-2Injection channel 2injector_outsingle_source
OEM-B-5Injector 1 (INJ1)injector_outSL4-A-1Injection channel 1injector_outsingle_source
OEM-B-6VTEC solenoid (VTS)low_side_outSL4-A-13Auxiliary output 4switch_outsingle_source
OEM-B-8Coolant temp sensor (ECT)temp_inSL4-B-14Analog input 4analog_insingle_source
OEM-E-10Ignition switch signal (IG1)digital_inSL4-B-4Ignition switch inputdigital_insingle_source
OEM-E-12Radiator fan control (FANC)low_side_outSL4-A-14Auxiliary output 5switch_outsingle_source
OEM-E-13Multiplex communication (SEFMJ)serial———single_source
OEM-E-14Fuel tank pressure sensor (FTP)analog_inSL4-B-20Analog input 7 (switchable 1k pull-up)analog_insingle_source
OEM-E-15Electrical load detector (ELD)analog_inSL4-B-21Analog input 8 (switchable 1k pull-up)analog_insingle_source
OEM-E-16Power steering pressure switch (PSPSW)digital_inSL4-A-23Digital input 4digital_insingle_source
OEM-E-17Immobilizer fuel pump relay (IMO FPR)low_side_outSL4-A-15Auxiliary output 6switch_outsingle_source
OEM-E-18A/C clutch relay (ACC)low_side_outSL4-A-16Auxiliary output 7switch_outsingle_source
OEM-E-19Evap vent shut valve (VSV)low_side_out———single_source
OEM-E-20Secondary heated O2 sensor (SHO2S)lambda_nb_inSL4-B-13Analog input 3analog_insingle_source
OEM-E-21Secondary O2 heater control (SO2SHTC)low_side_outSL4-A-10Auxiliary output 1switch_outsingle_source
OEM-E-22Brake switch (BKSW)digital_inSL4-A-24Digital input 5digital_insingle_source
OEM-E-23K-line (diagnostic)serial———single_source
OEM-E-25Engine speed pulse / tacho (NEP)tacho_out———single_source
OEM-E-26Vehicle speed output (VSSOUT)tacho_out———single_source
OEM-E-27Immobilizer code (IMOCD)————single_source
OEM-E-29Service check signal (SCS)————single_source
OEM-E-3Reverse lockout solenoid (RVS, Type-S)low_side_out———single_source
OEM-E-30Write enable signal (WEN)————single_source
OEM-E-31Malfunction indicator lamp (MIL)low_side_out———single_source
OEM-E-4Logic ground 3 (LG3)groundSL4-B-18 + SL4-B-26ECU ground + ECU groundgroundsingle_source
OEM-E-5Sensor ground 3 (SG3)sensor_groundSL4-B-10 + SL4-B-6 + SL4-B-8Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-E-6Sensor 5V supply 3 (VCC3)vref———single_source
OEM-E-8Main relay control (MRLY)low_side_outSL4-B-3EFI relay output (low side, 200 mA)low_side_outsingle_source
OEM-E-9A/F sensor heater relay control (AFSHTCR)low_side_outSL4-A-17Auxiliary output 8switch_outsingle_source

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-1SL4-A-340.85no routeAux 9–10 14V supply—
W4SP-14V-1SL4-B-10.85no routeECU 14V supply—
W5OEM-A-4SP-GND-10.85no routePower ground 2 (PG2)—
W6OEM-A-5SP-GND-10.85no routePower ground 1 (PG1)—
W7OEM-A-8SP-GND-10.85no routeLogic ground 2 (LG2)—
W8OEM-A-9SP-GND-10.85no routeLogic ground 1 (LG1)—
W9OEM-E-4SP-GND-10.85no routeLogic ground 3 (LG3)—
W10SP-GND-1SL4-B-180.85no routeECU ground—
W11SP-GND-1SL4-B-260.85no routeECU ground—
W12OEM-A-23SP-0V-10.5no routeSensor ground 2 (SG2)—
W13OEM-A-24SP-0V-10.5no routeSensor ground 1 (SG1)—
W14OEM-E-5SP-0V-10.5no routeSensor ground 3 (SG3)—
W15SP-0V-1SL4-B-100.5no routeAnalog sensor 0V reference—
W16OEM-A-20SL4-B-20.5no routeSensor 5V supply 2 (VCC2)—
W17OEM-A-7SL4-B-50.5no routeCrank position sensor (CKP)—
W18SP-0V-1SL4-B-60.5no routeCrank index sensor −—
W19OEM-A-19SL4-B-70.5no routeCamshaft position A (CMP A)—
W20SP-0V-1SL4-B-80.5no routeSync sensor −—
W21OEM-A-1SL4-B-160.5no routeKnock sensor (KS)—
W22OEM-A-16SL4-A-260.5no routeIgnition coil 1 (IGPLS1)—
W23OEM-A-15SL4-A-270.5no routeIgnition coil 2 (IGPLS2)—
W24OEM-A-14SL4-A-280.5no routeIgnition coil 3 (IGPLS3)—
W25OEM-A-13SL4-A-290.5no routeIgnition coil 4 (IGPLS4)—
W26OEM-B-5SL4-A-10.5no routeInjector 1 (INJ1)—
W27OEM-B-4SL4-A-20.5no routeInjector 2 (INJ2)—
W28OEM-B-3SL4-A-30.5no routeInjector 3 (INJ3)—
W29OEM-B-2SL4-A-40.5no routeInjector 4 (INJ4)—
W30OEM-E-10SL4-B-40.5no routeIgnition switch signal (IG1)—
W31OEM-E-8SL4-B-30.5no routeMain relay control (MRLY)—
W32OEM-E-12SL4-A-140.5no routeRadiator fan control (FANC)—
W33OEM-E-17SL4-A-150.5no routeImmobilizer fuel pump relay (IMO FPR)—
W34OEM-E-18SL4-A-160.5no routeA/C clutch relay (ACC)—
W35OEM-E-9SL4-A-170.5no routeA/F sensor heater relay control (AFSHTCR)—
W36OEM-E-21SL4-A-100.5no routeSecondary O2 heater control (SO2SHTC)—
W37OEM-A-10SL4-A-110.5no routeA/F sensor heater control (AFSHTC)—
W38OEM-A-12SL4-A-120.5no routeIdle air control valve (IACV)—
W39OEM-B-6SL4-A-130.5no routeVTEC solenoid (VTS)—
W40OEM-B-1SL4-A-180.5no routeVTC oil control solenoid (+)—
W41OEM-B-18SL4-A-190.5no routeAlternator control (ALTC)—
W42OEM-A-30SL4-B-110.5no routeManifold absolute pressure (MAP)—
W43OEM-A-29SL4-B-120.5no routeThrottle position sensor (TPS)—
W44OEM-E-20SL4-B-130.5no routeSecondary heated O2 sensor (SHO2S)—
W45OEM-B-8SL4-B-140.5no routeCoolant temp sensor (ECT)—
W46OEM-B-17SL4-B-150.5no routeIntake air temp sensor (IAT)—
W47OEM-B-13SL4-B-190.5no routeAlternator FR signal (ALTF)—
W48OEM-E-14SL4-B-200.5no routeFuel tank pressure sensor (FTP)—
W49OEM-E-15SL4-B-210.5no routeElectrical load detector (ELD)—
W50OEM-A-18SL4-A-200.5no routeNeutral position switch (NC)—
W51OEM-B-10SL4-A-210.5no routeAlternator L signal (ALTL)—
W52OEM-B-11SL4-A-220.5no routeVTEC oil pressure switch (VTPSW)—
W53OEM-E-16SL4-A-230.5no routePower steering pressure switch (PSPSW)—
W54OEM-E-22SL4-A-240.5no 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
connector4-1437290-0TESuperseal 1.0 34-way plug, Key 11.000ea
connector4-1437290-1TESuperseal 1.0 34-way plug, Key 21.000ea

ECU setup sheet

RoleEngine refEngine signalSensorECU pointECU functionECU classSetup flag
No configured channels.

Findings

Open (19)

SeverityCodeSubjectMessage
errorREQUIRED_UNMAPPEDOEM-A-21Required OEM function "Sensor 5V supply 1 (VCC1)" (vref) is not connected to the new ECU.
errorREQUIRED_UNMAPPEDOEM-A-6Required OEM function "Camshaft position B (CMP B)" (trigger_in) is not connected to the new ECU.
warnDATASET_GAPRSX ECU A6 of 31 cavities on RSX ECU A have no pin data (11,17,22,25,26,27). Anything there is invisible to these checks.
warnDATASET_GAPRSX ECU B11 of 24 cavities on RSX ECU B have no pin data (7,9,12,14,15,16,19,20,22,23,24). Anything there is invisible to these checks.
warnDATASET_GAPRSX ECU E6 of 31 cavities on RSX ECU E have no pin data (1,2,7,11,24,28). Anything there is invisible to these checks.
warnNET_FAMILYOEM-B-18 ↔ SL4-A-19OEM-B-18 "Alternator control (ALTC)" [low_side_out] is wired to SL4-A-19 "Auxiliary output 10" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-B-1 ↔ SL4-A-18OEM-B-1 "VTC oil control solenoid (+)" [low_side_out] is wired to SL4-A-18 "Auxiliary output 9" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
infoNET_FAMILYOEM-A-10 ↔ SL4-A-11OEM-A-10 "A/F sensor heater control (AFSHTC)" [low_side_out] is wired to SL4-A-11 "Auxiliary output 2" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-A-12 ↔ SL4-A-12OEM-A-12 "Idle air control valve (IACV)" [low_side_out] is wired to SL4-A-12 "Auxiliary output 3" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-B-17 ↔ SL4-B-15OEM-B-17 "Intake air temp sensor (IAT)" [temp_in] is wired to SL4-B-15 "Analog input 5" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one.
infoNET_FAMILYOEM-B-6 ↔ SL4-A-13OEM-B-6 "VTEC solenoid (VTS)" [low_side_out] is wired to SL4-A-13 "Auxiliary output 4" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-B-8 ↔ SL4-B-14OEM-B-8 "Coolant temp sensor (ECT)" [temp_in] is wired to SL4-B-14 "Analog input 4" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one.
infoNET_FAMILYOEM-E-12 ↔ SL4-A-14OEM-E-12 "Radiator fan control (FANC)" [low_side_out] is wired to SL4-A-14 "Auxiliary output 5" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-E-17 ↔ SL4-A-15OEM-E-17 "Immobilizer fuel pump relay (IMO FPR)" [low_side_out] is wired to SL4-A-15 "Auxiliary output 6" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-E-18 ↔ SL4-A-16OEM-E-18 "A/C clutch relay (ACC)" [low_side_out] is wired to SL4-A-16 "Auxiliary output 7" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-E-21 ↔ SL4-A-10OEM-E-21 "Secondary O2 heater control (SO2SHTC)" [low_side_out] is wired to SL4-A-10 "Auxiliary output 1" [switch_out]. Configure this output as low side.
infoNET_FAMILYOEM-E-9 ↔ SL4-A-17OEM-E-9 "A/F sensor heater relay control (AFSHTCR)" [low_side_out] is wired to SL4-A-17 "Auxiliary output 8" [switch_out]. Configure this output as low side.
infoNET_FAMILYSL4-B-6 ↔ SL4-B-10SL4-B-6 "Crank index sensor −" [trigger_in] is wired to SL4-B-10 "Analog sensor 0V reference" [sensor_ground]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs.
infoUNMAPPEDOEM14 optional OEM pins are not mapped: OEM-A-28 A/F sensor - (AFS-, wideband Vs); OEM-A-31 A/F sensor + (AFS+, wideband Ip); OEM-B-21 Evap canister purge valve (PCS); OEM-E-13 Multiplex communication (SEFMJ); OEM-E-19 Evap vent shut valve (VSV); OEM-E-23 K-line (diagnostic); OEM-E-25 Engine speed pulse / tacho (NEP); OEM-E-26 Vehicle speed output (VSSOUT); OEM-E-27 Immobilizer code (IMOCD); OEM-E-29 Service check signal (SCS); OEM-E-3 Reverse lockout solenoid (RVS, Type-S); OEM-E-30 Write enable signal (WEN); OEM-E-31 Malfunction indicator lamp (MIL); OEM-E-6 Sensor 5V supply 3 (VCC3)

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. Open items: - OEM-A 21: Sensor 5V supply 1 (VCC1): no free 5 V reference left on Emtron SL4 for supply group "k_vcc1" (groups must stay separate) - OEM-E 6: Sensor 5V supply 3 (VCC3): no free 5 V reference left on Emtron SL4 for supply group "k_vcc3" (groups must stay separate) - OEM-A 6: Camshaft position B (CMP B): no free cam_vr/cam_hall/frequency_in input on Emtron SL4 Not wired: - SL4-B 17: Knock 1 − left open: the stock knock sensor has one ECU wire; check the ECU manual for single-wire knock sensors - OEM-B 21: Evap canister purge valve (PCS): no free low_side/ls_hs/injector/hbridge on Emtron SL4 - OEM-E 19: Evap vent shut valve (VSV): no free low_side/ls_hs/injector/hbridge on Emtron SL4 - OEM-E 3: Reverse lockout solenoid (RVS, Type-S): no free low_side/ls_hs/injector/hbridge on Emtron SL4 - OEM-E 31: Malfunction indicator lamp (MIL): no free low_side/ls_hs/injector/hbridge on Emtron SL4 - OEM-E 25: Engine speed pulse / tacho (NEP): no free tacho/frequency_out/low_side/ls_hs on Emtron SL4 - OEM-E 26: Vehicle speed output (VSSOUT): no free frequency_out/tacho/low_side/ls_hs on Emtron SL4 - OEM-A 31: A/F sensor + (AFS+, wideband Ip): no free wb_ip on Emtron SL4 - OEM-A 28: A/F sensor - (AFS-, wideband Vs): no free wb_vs on Emtron SL4 - OEM-E 13: Multiplex communication (SEFMJ): no free k_line on Emtron SL4 - OEM-E 23: K-line (diagnostic): no free k_line on Emtron SL4 - 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
4datasheetEmtron SL4/SL6/SL8 ECU datasheetshttps://docs.emtronaustralia.com.au/engine-management/datasheets/index.html
4vendor_docEmtron SL4/SL6/SL8 pinout pageshttps://docs.emtronaustralia.com.au/engine-management/wiring/index.html
3forumFFS TechNet: K-series 02-06 RSX ECU pin diagram (Helm)https://ff-squad.com/technet2/k-series-02-06-rsx-ecu-pin-diagram/