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Scion FR-S (ZN6, FA20) → Emtron KV8 (auto)

Scion FR-S (ZN6, FA20) — Emtron — KV8
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-09

Before you start

Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.

Statusdraft · not yet verified: nobody has reported building and running this harness
Open errors1: read the Findings page before cutting any wire
Size of the job95 wires · 13 connectors · 5 part lines
ToolsCrimp and extraction tools for each terminal family (see Connectors) · wire strippers · multimeter · heat gun + heat-shrink
Terminals3-1447221-4
Order of work1. Check every part against the parts list. 2. Cut and label every wire (labels: Export → Wire labels). 3. Crimp and pin connector by connector, ticking the build checklist. 4. Run the bench test with nothing plugged in and the battery disconnected. 5. Only then connect the ECU and power up.

Build checklist

Tick each box as you go. Continuity: meter from end to end, expect under 1 Ω.

WireFromToGaugeColourCutLabelCrimp ACrimp BPin APin BContinuity
W1OEM-A33-1SP-14V-10.85☐☐☐☐☐☐☐
W2OEM-A34-6SP-14V-10.85☐☐☐☐☐☐☐
W3SP-14V-1KV8-D-10.85☐☐☐☐☐☐☐
W4SP-14V-1KV8-D-20.85☐☐☐☐☐☐☐
W5SP-14V-1KV8-D-200.85☐☐☐☐☐☐☐
W6OEM-A33-4SP-GND-10.85☐☐☐☐☐☐☐
W7OEM-A34-1SP-GND-10.85☐☐☐☐☐☐☐
W8OEM-A34-2SP-GND-10.85☐☐☐☐☐☐☐
W9OEM-A34-3SP-GND-10.85☐☐☐☐☐☐☐
W10OEM-A36-3SP-GND-10.85☐☐☐☐☐☐☐
W11OEM-A36-4SP-GND-10.85☐☐☐☐☐☐☐
W12SP-GND-1KV8-B-340.85☐☐☐☐☐☐☐
W13SP-GND-1KV8-B-90.85☐☐☐☐☐☐☐
W14SP-GND-1KV8-C-10.85☐☐☐☐☐☐☐
W15SP-GND-1KV8-C-260.85☐☐☐☐☐☐☐
W16OEM-A33-29SP-0V-10.5☐☐☐☐☐☐☐
W17OEM-A34-27SP-0V-10.5☐☐☐☐☐☐☐
W18OEM-A35-29SP-0V-10.5☐☐☐☐☐☐☐
W19OEM-A35-30SP-0V-10.5☐☐☐☐☐☐☐
W20OEM-A36-29SP-0V-10.5☐☐☐☐☐☐☐
W21SP-0V-1KV8-C-170.5☐☐☐☐☐☐☐
W22SP-0V-1KV8-C-250.5☐☐☐☐☐☐☐
W23OEM-A34-34SP-5V1-10.5☐☐☐☐☐☐☐
W24OEM-A35-21SP-5V1-10.5☐☐☐☐☐☐☐
W25OEM-A35-22SP-5V1-10.5☐☐☐☐☐☐☐
W26OEM-A36-19SP-5V1-10.5☐☐☐☐☐☐☐
W27SP-5V1-1KV8-D-210.5☐☐☐☐☐☐☐
W28OEM-A34-16KV8-D-40.5☐☐☐☐☐☐☐
W29SP-0V-1KV8-D-50.5☐☐☐☐☐☐☐
W30OEM-A34-14KV8-D-60.5☐☐☐☐☐☐☐
W31SP-0V-1KV8-D-70.5☐☐☐☐☐☐☐
W32OEM-A34-28KV8-D-110.5☐☐☐☐☐☐☐
W33OEM-A34-17KV8-D-170.5☐☐☐☐☐☐☐
W34OEM-A36-21KV8-B-260.5☐☐☐☐☐☐☐
W35OEM-A36-10KV8-B-270.5☐☐☐☐☐☐☐
W36OEM-A36-31KV8-B-280.5☐☐☐☐☐☐☐
W37OEM-A36-8KV8-B-290.5☐☐☐☐☐☐☐
W38OEM-A36-12KV8-B-10.5☐☐☐☐☐☐☐
W39OEM-A36-14KV8-B-20.5☐☐☐☐☐☐☐
W40OEM-A36-22KV8-B-30.5☐☐☐☐☐☐☐
W41OEM-A36-25KV8-B-40.5☐☐☐☐☐☐☐
W42OEM-A36-24KV8-B-50.5☐☐☐☐☐☐☐
W43OEM-A36-32KV8-B-60.5☐☐☐☐☐☐☐
W44OEM-A36-13KV8-B-70.5☐☐☐☐☐☐☐
W45OEM-A36-23KV8-B-80.5☐☐☐☐☐☐☐
W46OEM-A33-28SP-SHD-10.5☐☐☐☐☐☐☐
W47OEM-A34-29SP-SHD-10.5☐☐☐☐☐☐☐
W48OEM-A34-30SP-SHD-10.5☐☐☐☐☐☐☐
W49OEM-A34-35SP-SHD-10.5☐☐☐☐☐☐☐
W50SP-SHD-1KV8-D-130.5☐☐☐☐☐☐☐
W51OEM-A33-27KV8-D-150.5☐☐☐☐☐☐☐
W52OEM-A36-1KV8-B-180.5☐☐☐☐☐☐☐
W53OEM-A36-2KV8-B-190.5☐☐☐☐☐☐☐
W54OEM-A35-13KV8-D-90.5☐☐☐☐☐☐☐
W55OEM-A35-12KV8-B-140.5☐☐☐☐☐☐☐
W56OEM-A35-11KV8-B-150.5☐☐☐☐☐☐☐
W57OEM-A33-20KV8-B-160.5☐☐☐☐☐☐☐
W58OEM-A35-17KV8-B-170.5☐☐☐☐☐☐☐
W59OEM-A35-35KV8-B-100.5☐☐☐☐☐☐☐
W60OEM-A35-5KV8-B-110.5☐☐☐☐☐☐☐
W61OEM-A35-7KV8-B-120.5☐☐☐☐☐☐☐
W62OEM-A34-5KV8-A-100.5☐☐☐☐☐☐☐
W63OEM-A36-6KV8-A-110.5☐☐☐☐☐☐☐
W64OEM-A36-17KV8-B-130.5☐☐☐☐☐☐☐
W65OEM-A36-7KV8-B-200.5☐☐☐☐☐☐☐
W66OEM-A36-16KV8-B-210.5☐☐☐☐☐☐☐
W67OEM-A36-5KV8-B-220.5☐☐☐☐☐☐☐
W68OEM-A34-13KV8-B-230.5☐☐☐☐☐☐☐
W69OEM-A34-32KV8-B-240.5☐☐☐☐☐☐☐
W70OEM-A35-1KV8-B-250.5☐☐☐☐☐☐☐
W71OEM-A33-22KV8-C-20.5☐☐☐☐☐☐☐
W72OEM-A34-20KV8-C-30.5☐☐☐☐☐☐☐
W73OEM-A35-31KV8-C-40.5☐☐☐☐☐☐☐
W74OEM-A36-28KV8-C-50.5☐☐☐☐☐☐☐
W75OEM-A35-23KV8-C-60.5☐☐☐☐☐☐☐
W76OEM-A36-18KV8-C-70.5☐☐☐☐☐☐☐
W77OEM-A34-21KV8-C-80.5☐☐☐☐☐☐☐
W78OEM-A36-30KV8-C-90.5☐☐☐☐☐☐☐
W79OEM-A33-12KV8-C-100.5☐☐☐☐☐☐☐
W80OEM-A36-20KV8-C-110.5☐☐☐☐☐☐☐
W81OEM-A33-8KV8-C-120.5☐☐☐☐☐☐☐
W82OEM-A34-11KV8-C-130.5☐☐☐☐☐☐☐
W83OEM-A34-31KV8-C-140.5☐☐☐☐☐☐☐
W84OEM-A34-9KV8-C-150.5☐☐☐☐☐☐☐
W85OEM-A35-10KV8-C-160.5☐☐☐☐☐☐☐
W86OEM-A35-20KV8-C-240.5☐☐☐☐☐☐☐
W87OEM-A33-14KV8-C-270.5☐☐☐☐☐☐☐
W88OEM-A33-15KV8-C-280.5☐☐☐☐☐☐☐
W89OEM-A33-16KV8-C-290.5☐☐☐☐☐☐☐
W90OEM-A33-17KV8-C-300.5☐☐☐☐☐☐☐
W91OEM-A33-3KV8-C-310.5☐☐☐☐☐☐☐
W92OEM-A33-7KV8-C-320.5☐☐☐☐☐☐☐
W93OEM-A35-26KV8-C-330.5☐☐☐☐☐☐☐
W94OEM-A33-19KV8-D-80.5☐☐☐☐☐☐☐
W95OEM-A33-18KV8-D-140.5☐☐☐☐☐☐☐

Bench test (before first power-up)

Battery disconnected, ECU and every sensor unplugged. Meter on resistance. Each pair below must read open (OL): a reading means a pinched wire, a stray strand or a mis-pinned cavity. Then check continuity of every wire (last column of the build checklist).

#Probe AProbe BExpectWhyReading
1KV8-D-1KV8-B-34open (OL)+12 V supply must not touch power ground
2KV8-D-1KV8-C-17open (OL)+12 V supply must not touch sensor ground
3KV8-B-34KV8-D-21open (OL)power ground must not touch 5 V sensor reference
4KV8-C-17KV8-D-21open (OL)sensor ground must not touch 5 V sensor reference
5KV8-D-1KV8-D-21open (OL)+12 V supply must not touch 5 V sensor reference

If any reading doesn't match, stop and get help before powering up.

Revisions

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Schematic

KV8-AKV8-BKV8-CKV8-DOEM-A33OEM-A34OEM-A35OEM-A36SP-0VSP-14VSP-5V1SP-GNDSP-SHD

Connectors

KV8-A

Mating face
KV8-A-11KV8-A-22KV8-A-33KV8-A-44KV8-A-55KV8-A-66KV8-A-77KV8-A-88KV8-A-99KV8-A-10 · Lambda 1 heater −10KV8-A-11 · Lambda 2 heater −11KV8-A-1212KV8-A-1313KV8-A-1414KV8-A-1515KV8-A-16 · Lambda 1 heater +16KV8-A-17 · Lambda 2 heater +17KV8-A-18 · Lambda 1 Nernst cell (Vs)18KV8-A-1919KV8-A-20 · Lambda 2 cal resistor20KV8-A-21 · Lambda 2 Nernst cell (Vs)21KV8-A-22 · Lambda 2 pump cell (Ip)22KV8-A-23 · Lambda 2 virtual ground23KV8-A-24 · Lambda 1 cal resistor24KV8-A-25 · Lambda 1 pump cell (Ip)25KV8-A-26 · Lambda 1 virtual ground26
Wire side
KV8-A-11KV8-A-22KV8-A-33KV8-A-44KV8-A-55KV8-A-66KV8-A-77KV8-A-88KV8-A-99KV8-A-10 · Lambda 1 heater −10KV8-A-11 · Lambda 2 heater −11KV8-A-1212KV8-A-1313KV8-A-1414KV8-A-1515KV8-A-16 · Lambda 1 heater +16KV8-A-17 · Lambda 2 heater +17KV8-A-18 · Lambda 1 Nernst cell (Vs)18KV8-A-1919KV8-A-20 · Lambda 2 cal resistor20KV8-A-21 · Lambda 2 Nernst cell (Vs)21KV8-A-22 · Lambda 2 pump cell (Ip)22KV8-A-23 · Lambda 2 virtual ground23KV8-A-24 · Lambda 1 cal resistor24KV8-A-25 · Lambda 1 pump cell (Ip)25KV8-A-26 · Lambda 1 virtual ground26
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1—————————
2—————————
3—————————
4—————————
5—————————
6—————————
7—————————
8—————————
9—————————
10Lambda 1 heater −—W62—0.5OEM-A34-5———
11Lambda 2 heater −—W63—0.5OEM-A36-6———
12—————————
13—————————
14—————————
15—————————
16Lambda 1 heater +————————
17Lambda 2 heater +————————
18Lambda 1 Nernst cell (Vs)————————
19—————————
20Lambda 2 cal resistor————————
21Lambda 2 Nernst cell (Vs)————————
22Lambda 2 pump cell (Ip)————————
23Lambda 2 virtual ground————————
24Lambda 1 cal resistor————————
25Lambda 1 pump cell (Ip)————————
26Lambda 1 virtual ground————————

KV8-B

Mating face
KV8-B-1 · Injection 11KV8-B-2 · Injection 22KV8-B-3 · Injection 33KV8-B-4 · Injection 44KV8-B-5 · Injection 55KV8-B-6 · Injection 66KV8-B-7 · Injection 77KV8-B-8 · Injection 88KV8-B-9 · ECU ground9KV8-B-10 · Aux 110KV8-B-11 · Aux 211KV8-B-12 · Aux 312KV8-B-13 · Aux 413KV8-B-14 · Aux 514KV8-B-15 · Aux 615KV8-B-16 · Aux 716KV8-B-17 · Aux 817KV8-B-18 · Aux 918KV8-B-19 · Aux 1019KV8-B-20 · Aux 1120KV8-B-21 · Aux 1221KV8-B-22 · Aux 1322KV8-B-23 · Aux 1423KV8-B-24 · Aux 1524KV8-B-25 · Aux 1625KV8-B-26 · Ignition 126KV8-B-27 · Ignition 227KV8-B-28 · Ignition 328KV8-B-29 · Ignition 429KV8-B-30 · Ignition 530KV8-B-31 · Ignition 631KV8-B-32 · Ignition 732KV8-B-33 · Ignition 833KV8-B-34 · ECU ground34
Wire side
KV8-B-1 · Injection 11KV8-B-2 · Injection 22KV8-B-3 · Injection 33KV8-B-4 · Injection 44KV8-B-5 · Injection 55KV8-B-6 · Injection 66KV8-B-7 · Injection 77KV8-B-8 · Injection 88KV8-B-9 · ECU ground9KV8-B-10 · Aux 110KV8-B-11 · Aux 211KV8-B-12 · Aux 312KV8-B-13 · Aux 413KV8-B-14 · Aux 514KV8-B-15 · Aux 615KV8-B-16 · Aux 716KV8-B-17 · Aux 817KV8-B-18 · Aux 918KV8-B-19 · Aux 1019KV8-B-20 · Aux 1120KV8-B-21 · Aux 1221KV8-B-22 · Aux 1322KV8-B-23 · Aux 1423KV8-B-24 · Aux 1524KV8-B-25 · Aux 1625KV8-B-26 · Ignition 126KV8-B-27 · Ignition 227KV8-B-28 · Ignition 328KV8-B-29 · Ignition 429KV8-B-30 · Ignition 530KV8-B-31 · Ignition 631KV8-B-32 · Ignition 732KV8-B-33 · Ignition 833KV8-B-34 · ECU ground34
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Injection 1—W38—0.5OEM-A36-12———
2Injection 2—W39—0.5OEM-A36-14———
3Injection 3—W40—0.5OEM-A36-22———
4Injection 4—W41—0.5OEM-A36-25———
5Injection 5—W42—0.5OEM-A36-24———
6Injection 6—W43—0.5OEM-A36-32———
7Injection 7—W44—0.5OEM-A36-13———
8Injection 8—W45—0.5OEM-A36-23———
9ECU ground—W13—0.85SP-GND-1———
10Aux 1—W59—0.5OEM-A35-35———
11Aux 2—W60—0.5OEM-A35-5———
12Aux 3—W61—0.5OEM-A35-7———
13Aux 4—W64—0.5OEM-A36-17———
14Aux 5—W55—0.5OEM-A35-12———
15Aux 6—W56—0.5OEM-A35-11———
16Aux 7—W57—0.5OEM-A33-20———
17Aux 8—W58—0.5OEM-A35-17———
18Aux 9—W52—0.5OEM-A36-1———
19Aux 10—W53—0.5OEM-A36-2———
20Aux 11—W65—0.5OEM-A36-7———
21Aux 12—W66—0.5OEM-A36-16———
22Aux 13—W67—0.5OEM-A36-5———
23Aux 14—W68—0.5OEM-A34-13———
24Aux 15—W69—0.5OEM-A34-32———
25Aux 16—W70—0.5OEM-A35-1———
26Ignition 1—W34—0.5OEM-A36-21———
27Ignition 2—W35—0.5OEM-A36-10———
28Ignition 3—W36—0.5OEM-A36-31———
29Ignition 4—W37—0.5OEM-A36-8———
30Ignition 5————————
31Ignition 6————————
32Ignition 7————————
33Ignition 8————————
34ECU ground—W12—0.85SP-GND-1———

KV8-C

Mating face
KV8-C-1 · ECU ground1KV8-C-2 · Analog in 12KV8-C-3 · Analog in 23KV8-C-4 · Analog in 34KV8-C-5 · Analog in 45KV8-C-6 · Analog in 56KV8-C-7 · Analog in 67KV8-C-8 · Analog in 78KV8-C-9 · Analog in 89KV8-C-10 · Analog in 910KV8-C-11 · Analog in 1011KV8-C-12 · Analog in 1112KV8-C-13 · Analog in 1213KV8-C-14 · Analog in 1314KV8-C-15 · Analog in 1415KV8-C-16 · Analog in 1516KV8-C-17 · Analog sensor 0V reference17KV8-C-18 · Digital in 918KV8-C-19 · Digital in 1019KV8-C-20 · Digital in 1120KV8-C-21 · Digital in 1221KV8-C-22 · Digital in 1322KV8-C-23 · Digital in 1423KV8-C-24 · Analog in 1624KV8-C-25 · Analog sensor 0V reference25KV8-C-26 · ECU ground26KV8-C-27 · Digital in 127KV8-C-28 · Digital in 228KV8-C-29 · Digital in 329KV8-C-30 · Digital in 430KV8-C-31 · Digital in 531KV8-C-32 · Digital in 632KV8-C-33 · Digital in 733KV8-C-34 · Digital in 834
Wire side
KV8-C-1 · ECU ground1KV8-C-2 · Analog in 12KV8-C-3 · Analog in 23KV8-C-4 · Analog in 34KV8-C-5 · Analog in 45KV8-C-6 · Analog in 56KV8-C-7 · Analog in 67KV8-C-8 · Analog in 78KV8-C-9 · Analog in 89KV8-C-10 · Analog in 910KV8-C-11 · Analog in 1011KV8-C-12 · Analog in 1112KV8-C-13 · Analog in 1213KV8-C-14 · Analog in 1314KV8-C-15 · Analog in 1415KV8-C-16 · Analog in 1516KV8-C-17 · Analog sensor 0V reference17KV8-C-18 · Digital in 918KV8-C-19 · Digital in 1019KV8-C-20 · Digital in 1120KV8-C-21 · Digital in 1221KV8-C-22 · Digital in 1322KV8-C-23 · Digital in 1423KV8-C-24 · Analog in 1624KV8-C-25 · Analog sensor 0V reference25KV8-C-26 · ECU ground26KV8-C-27 · Digital in 127KV8-C-28 · Digital in 228KV8-C-29 · Digital in 329KV8-C-30 · Digital in 430KV8-C-31 · Digital in 531KV8-C-32 · Digital in 632KV8-C-33 · Digital in 733KV8-C-34 · Digital in 834
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1ECU ground—W14—0.85SP-GND-1———
2Analog in 1—W71—0.5OEM-A33-22———
3Analog in 2—W72—0.5OEM-A34-20———
4Analog in 3—W73—0.5OEM-A35-31———
5Analog in 4—W74—0.5OEM-A36-28———
6Analog in 5—W75—0.5OEM-A35-23———
7Analog in 6—W76—0.5OEM-A36-18———
8Analog in 7—W77—0.5OEM-A34-21———
9Analog in 8—W78—0.5OEM-A36-30———
10Analog in 9—W79—0.5OEM-A33-12———
11Analog in 10—W80—0.5OEM-A36-20———
12Analog in 11—W81—0.5OEM-A33-8———
13Analog in 12—W82—0.5OEM-A34-11———
14Analog in 13—W83—0.5OEM-A34-31———
15Analog in 14—W84—0.5OEM-A34-9———
16Analog in 15—W85—0.5OEM-A35-10———
17Analog sensor 0V reference—W21—0.5SP-0V-1———
18Digital in 9————————
19Digital in 10————————
20Digital in 11————————
21Digital in 12————————
22Digital in 13————————
23Digital in 14————————
24Analog in 16—W86—0.5OEM-A35-20———
25Analog sensor 0V reference—W22—0.5SP-0V-1———
26ECU ground—W15—0.85SP-GND-1———
27Digital in 1—W87—0.5OEM-A33-14———
28Digital in 2—W88—0.5OEM-A33-15———
29Digital in 3—W89—0.5OEM-A33-16———
30Digital in 4—W90—0.5OEM-A33-17———
31Digital in 5—W91—0.5OEM-A33-3———
32Digital in 6—W92—0.5OEM-A33-7———
33Digital in 7—W93—0.5OEM-A35-26———
34Digital in 8————————

KV8-D

Mating face
KV8-D-1 · ECU 14V supply1KV8-D-2 · Aux 13–16 14V supply2KV8-D-3 · Sensor supply 8V3KV8-D-4 · Crank index sensor +4KV8-D-5 · Crank index sensor −5KV8-D-6 · Sync sensor +6KV8-D-7 · Sync sensor −7KV8-D-8 · CAN 1 H8KV8-D-9 · EFI relay output (low side, 200 mA)9KV8-D-10 · CAN 2 H10KV8-D-11 · Knock 1 +11KV8-D-12 · Knock 1 −12KV8-D-13 · Shield (crank/cam/knock)13KV8-D-14 · CAN 1 L14KV8-D-15 · Ignition switch input15KV8-D-16 · CAN 2 L16KV8-D-17 · Knock 2 +17KV8-D-18 · Knock 2 −18KV8-D-19 · Analog output 0–5V19KV8-D-20 · Aux 9–12 14V supply20KV8-D-21 · Sensor supply Vref1 5.0V21KV8-D-22 · Sensor supply Vref2 5.0V22KV8-D-23 · Ethernet Tx+23KV8-D-24 · Ethernet Tx−24KV8-D-25 · Ethernet Rx+25KV8-D-26 · Ethernet Rx−26
Wire side
KV8-D-1 · ECU 14V supply1KV8-D-2 · Aux 13–16 14V supply2KV8-D-3 · Sensor supply 8V3KV8-D-4 · Crank index sensor +4KV8-D-5 · Crank index sensor −5KV8-D-6 · Sync sensor +6KV8-D-7 · Sync sensor −7KV8-D-8 · CAN 1 H8KV8-D-9 · EFI relay output (low side, 200 mA)9KV8-D-10 · CAN 2 H10KV8-D-11 · Knock 1 +11KV8-D-12 · Knock 1 −12KV8-D-13 · Shield (crank/cam/knock)13KV8-D-14 · CAN 1 L14KV8-D-15 · Ignition switch input15KV8-D-16 · CAN 2 L16KV8-D-17 · Knock 2 +17KV8-D-18 · Knock 2 −18KV8-D-19 · Analog output 0–5V19KV8-D-20 · Aux 9–12 14V supply20KV8-D-21 · Sensor supply Vref1 5.0V21KV8-D-22 · Sensor supply Vref2 5.0V22KV8-D-23 · Ethernet Tx+23KV8-D-24 · Ethernet Tx−24KV8-D-25 · Ethernet Rx+25KV8-D-26 · Ethernet Rx−26
CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1ECU 14V supply—W3—0.85SP-14V-1———
2Aux 13–16 14V supply—W4—0.85SP-14V-1———
3Sensor supply 8V————————
4Crank index sensor +—W28—0.5OEM-A34-16———
5Crank index sensor −—W29—0.5SP-0V-1———
6Sync sensor +—W30—0.5OEM-A34-14———
7Sync sensor −—W31—0.5SP-0V-1———
8CAN 1 H—W94—0.5OEM-A33-19———
9EFI relay output (low side, 200 mA)—W54—0.5OEM-A35-13———
10CAN 2 H————————
11Knock 1 +—W32—0.5OEM-A34-28———
12Knock 1 −————————
13Shield (crank/cam/knock)—W50—0.5SP-SHD-1———
14CAN 1 L—W95—0.5OEM-A33-18———
15Ignition switch input—W51—0.5OEM-A33-27———
16CAN 2 L————————
17Knock 2 +—W33—0.5OEM-A34-17———
18Knock 2 −————————
19Analog output 0–5V————————
20Aux 9–12 14V supply—W5—0.85SP-14V-1———
21Sensor supply Vref1 5.0V—W27—0.5SP-5V1-1———
22Sensor supply Vref2 5.0V————————
23Ethernet Tx+————————
24Ethernet Tx−————————
25Ethernet Rx+————————
26Ethernet Rx−————————

OEM-A33

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1ECU power (+B2, main relay)—W1—0.85SP-14V-1———
12Intake air temperature (THA, in MAF)—W79—0.5KV8-C-10———
14Starter signal (STSW2)—W87—0.5KV8-C-27———
15Clutch switch (CLSW)—W88—0.5KV8-C-28———
16Neutral switch (NSW)—W89—0.5KV8-C-29———
17Starter signal (STSW2)—W90—0.5KV8-C-30———
18CAN low (CANL)—W95—0.5KV8-D-14———
19CAN high (CANH)—W94—0.5KV8-D-8———
2Battery constant (BATT, memory)————————
20Blower relay (HB)—W57—0.5KV8-B-16———
22Mass air flow (VG)—W71—0.5KV8-C-2———
27Ignition switch sense (IGSW, IG2 relay)—W51—0.5KV8-D-15———
28Shield ground (SLE2)—W46—0.5SP-SHD-1———
29MAF sensor ground (E2G)—W16—0.5SP-0V-1———
3Stop light switch (ST1-)—W91—0.5KV8-C-31———
4Power ground (EC)—W6—0.85SP-GND-1———
7Stop light switch (STP)—W92—0.5KV8-C-32———
8A/C pressure sensor (ACP)—W81—0.5KV8-C-12———

OEM-A34

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Power ground (E03)—W7—0.85SP-GND-1———
11DI injector confirmation (IJF1)—W82—0.5KV8-C-13———
13High-pressure fuel pump spill valve (FPF)—W68—0.5KV8-B-23———
14VVT cam sensor exhaust bank 1 (EV1+)—W30—0.5KV8-D-6———
15VVT cam sensor intake bank 2 (VV2+)————————
16Crank position (NE+)—W28—0.5KV8-D-4———
17Knock sensor 2 (KNK2)—W33—0.5KV8-D-17———
18A/F ratio sensor (A1A-)————————
19A/F ratio sensor (A1A+)————————
2Power ground (E04)—W8—0.85SP-GND-1———
20Manifold absolute pressure (PIM)—W72—0.5KV8-C-3———
21Heated oxygen sensor (OX1B, rear)—W77—0.5KV8-C-8———
25VVT cam sensor exhaust bank 2 (EV2+)————————
26VVT cam sensor intake bank 1 (VV1+)————————
27Crank position return (NE-)—W17—0.5SP-0V-1———
28Knock sensor 1 (KNK1)—W32—0.5KV8-D-11———
29Shield ground (EKNK)—W47—0.5SP-SHD-1———
3Power ground (E05)—W9—0.85SP-GND-1———
30Shield ground (SLE1)—W48—0.5SP-SHD-1———
31DI injector confirmation (IJF2)—W83—0.5KV8-C-14———
32High-pressure fuel pump spill valve (FPD)—W69—0.5KV8-B-24———
34OCV power source (VCV, 5V)—W23—0.5SP-5V1-1———
35Shield ground (SLE3)—W49—0.5SP-SHD-1———
5A/F ratio sensor heater (HA1A)—W62—0.5KV8-A-10———
6ECU power (+B, main relay)—W2—0.85SP-14V-1———
9Fuel pressure sensor (PR)—W84—0.5KV8-C-15———

OEM-A35

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Canister vent valve (VPMP)—W70—0.5KV8-B-25———
10Fuel pump control monitor (DI)—W85—0.5KV8-C-16———
11Cooling fan relay 3 (FAN1)—W56—0.5KV8-B-15———
12Cooling fan relay 2 (FAN2)—W55—0.5KV8-B-14———
13EFI main relay 1 (SSHUT)—W54—0.5KV8-D-9———
15Tachometer output (TACH)————————
17ETCS relay (MCR)—W58—0.5KV8-B-17———
19Fuel pump control (FPC)————————
20Canister pressure sensor (PPMP)—W86—0.5KV8-C-24———
21Accelerator pedal 5V supply (VCPA)—W24—0.5SP-5V1-1———
22Accelerator pedal 5V supply (VCP2)—W25—0.5SP-5V1-1———
23Accelerator pedal position (VPA)—W75—0.5KV8-C-6———
26Starter signal (STA)—W93—0.5KV8-C-33———
29Accelerator pedal ground (EPA)—W18—0.5SP-0V-1———
30Accelerator pedal ground (EPA2)—W19—0.5SP-0V-1———
31Accelerator pedal position 2 (VPA2)—W73—0.5KV8-C-4———
35A/C clutch relay (AC)—W59—0.5KV8-B-10———
5Injector relay (IREL)—W60—0.5KV8-B-11———
7ETCS relay (+BM)—W61—0.5KV8-B-12———
8Leak detection pump (MPMP)————————

OEM-A36

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1Throttle actuator motor - (M-)—W52—0.5KV8-B-18———
10Ignition coil 2 (IGT2)—W35—0.5KV8-B-27———
11Purge valve (PRG)————————
12Injector 1 port (#10)—W38—0.5KV8-B-1———
13Injector 4 port (#40)—W44—0.5KV8-B-7———
14Injector 1 direct (#1)—W39—0.5KV8-B-2———
16OCV intake bank 2 (OC2)—W66—0.5KV8-B-21———
17OCV intake bank 1 (OC1)—W64—0.5KV8-B-13———
18Throttle position (VTA1)—W76—0.5KV8-C-7———
19Sensor 5V supply (VC)—W26—0.5SP-5V1-1———
2Throttle actuator motor + (M+)—W53—0.5KV8-B-19———
20Oil temperature (OT)—W80—0.5KV8-C-11———
21Ignition coil 1 (IGT1)—W34—0.5KV8-B-26———
22Injector 2 port (#20)—W40—0.5KV8-B-3———
23Injector 4 direct (#4)—W45—0.5KV8-B-8———
24Injector 3 direct (#3)—W42—0.5KV8-B-5———
25Injector 2 direct (#2)—W41—0.5KV8-B-4———
28Throttle position 2 (VTA2)—W74—0.5KV8-C-5———
29Sensor ground (E1)—W20—0.5SP-0V-1———
3Power ground (E02)—W10—0.85SP-GND-1———
30Engine coolant temperature (THW)—W78—0.5KV8-C-9———
31Ignition coil 3 (IGT3)—W36—0.5KV8-B-28———
32Injector 3 port (#30)—W43—0.5KV8-B-6———
4Power ground (E01)—W11—0.85SP-GND-1———
5OCV exhaust bank 2 (OE2)—W67—0.5KV8-B-22———
6Heated oxygen sensor heater (HT1B)—W63—0.5KV8-A-11———
7OCV exhaust bank 1 (OE1)—W65—0.5KV8-B-20———
8Ignition coil 4 (IGT4)—W37—0.5KV8-B-29———

SP-0V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W16—0.5OEM-A33-29———
1——W17—0.5OEM-A34-27———
1——W18—0.5OEM-A35-29———
1——W19—0.5OEM-A35-30———
1——W20—0.5OEM-A36-29———
1——W21—0.5KV8-C-17———
1——W22—0.5KV8-C-25———
1——W29—0.5KV8-D-5———
1——W31—0.5KV8-D-7———

SP-14V

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W1—0.85OEM-A33-1———
1——W2—0.85OEM-A34-6———
1——W3—0.85KV8-D-1———
1——W4—0.85KV8-D-2———
1——W5—0.85KV8-D-20———

SP-5V1

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W23—0.5OEM-A34-34———
1——W24—0.5OEM-A35-21———
1——W25—0.5OEM-A35-22———
1——W26—0.5OEM-A36-19———
1——W27—0.5KV8-D-21———

SP-GND

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W6—0.85OEM-A33-4———
1——W7—0.85OEM-A34-1———
1——W8—0.85OEM-A34-2———
1——W9—0.85OEM-A34-3———
1——W10—0.85OEM-A36-3———
1——W11—0.85OEM-A36-4———
1——W12—0.85KV8-B-34———
1——W13—0.85KV8-B-9———
1——W14—0.85KV8-C-1———
1——W15—0.85KV8-C-26———

SP-SHD

CavityFunctionSignalWireColourGauge (mm²)DestinationTerminalSealPlug
1——W46—0.5OEM-A33-28———
1——W47—0.5OEM-A34-29———
1——W48—0.5OEM-A34-30———
1——W49—0.5OEM-A34-35———
1——W50—0.5KV8-D-13———

Pin map

OEM pointOEM functionOEM familyTarget pointTarget functionTarget familyWire colourEvidence
OEM-A33-1ECU power (+B2, main relay)power_inKV8-D-1 + KV8-D-2 + KV8-D-20ECU 14V supply + Aux 13–16 14V supply + Aux 9–12 14V supplypower_insingle_source
OEM-A33-12Intake air temperature (THA, in MAF)temp_inKV8-C-10Analog in 9analog_insingle_source
OEM-A33-14Starter signal (STSW2)digital_inKV8-C-27Digital in 1digital_insingle_source
OEM-A33-15Clutch switch (CLSW)digital_inKV8-C-28Digital in 2digital_insingle_source
OEM-A33-16Neutral switch (NSW)digital_inKV8-C-29Digital in 3digital_insingle_source
OEM-A33-17Starter signal (STSW2)digital_inKV8-C-30Digital in 4digital_insingle_source
OEM-A33-18CAN low (CANL)can_lKV8-D-14CAN 1 Lcan_lsingle_source
OEM-A33-19CAN high (CANH)can_hKV8-D-8CAN 1 Hcan_hsingle_source
OEM-A33-2Battery constant (BATT, memory)power_in———single_source
OEM-A33-20Blower relay (HB)low_side_outKV8-B-16Aux 7low_side_outsingle_source
OEM-A33-22Mass air flow (VG)analog_inKV8-C-2Analog in 1analog_insingle_source
OEM-A33-27Ignition switch sense (IGSW, IG2 relay)digital_inKV8-D-15Ignition switch inputdigital_insingle_source
OEM-A33-28Shield ground (SLE2)shieldKV8-D-13Shield (crank/cam/knock)shieldsingle_source
OEM-A33-29MAF sensor ground (E2G)sensor_groundKV8-C-17 + KV8-C-25 + KV8-D-5 + KV8-D-7Analog sensor 0V reference + Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A33-3Stop light switch (ST1-)digital_inKV8-C-31Digital in 5digital_insingle_source
OEM-A33-4Power ground (EC)groundKV8-B-34 + KV8-B-9 + KV8-C-1 + KV8-C-26ECU ground + ECU ground + ECU ground + ECU groundgroundsingle_source
OEM-A33-7Stop light switch (STP)digital_inKV8-C-32Digital in 6digital_insingle_source
OEM-A33-8A/C pressure sensor (ACP)analog_inKV8-C-12Analog in 11analog_insingle_source
OEM-A34-1Power ground (E03)groundKV8-B-34 + KV8-B-9 + KV8-C-1 + KV8-C-26ECU ground + ECU ground + ECU ground + ECU groundgroundsingle_source
OEM-A34-11DI injector confirmation (IJF1)analog_inKV8-C-13Analog in 12analog_insingle_source
OEM-A34-13High-pressure fuel pump spill valve (FPF)low_side_outKV8-B-23Aux 14hbridge_outsingle_source
OEM-A34-14VVT cam sensor exhaust bank 1 (EV1+)trigger_inKV8-D-6Sync sensor +trigger_insingle_source
OEM-A34-15VVT cam sensor intake bank 2 (VV2+)trigger_in———single_source
OEM-A34-16Crank position (NE+)trigger_inKV8-D-4Crank index sensor +trigger_insingle_source
OEM-A34-17Knock sensor 2 (KNK2)knock_inKV8-D-17Knock 2 +knock_insingle_source
OEM-A34-18A/F ratio sensor (A1A-)————single_source
OEM-A34-19A/F ratio sensor (A1A+)————single_source
OEM-A34-2Power ground (E04)groundKV8-B-34 + KV8-B-9 + KV8-C-1 + KV8-C-26ECU ground + ECU ground + ECU ground + ECU groundgroundsingle_source
OEM-A34-20Manifold absolute pressure (PIM)analog_inKV8-C-3Analog in 2analog_insingle_source
OEM-A34-21Heated oxygen sensor (OX1B, rear)lambda_nb_inKV8-C-8Analog in 7analog_insingle_source
OEM-A34-25VVT cam sensor exhaust bank 2 (EV2+)trigger_in———single_source
OEM-A34-26VVT cam sensor intake bank 1 (VV1+)trigger_in———single_source
OEM-A34-27Crank position return (NE-)sensor_groundKV8-C-17 + KV8-C-25 + KV8-D-5 + KV8-D-7Analog sensor 0V reference + Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A34-28Knock sensor 1 (KNK1)knock_inKV8-D-11Knock 1 +knock_insingle_source
OEM-A34-29Shield ground (EKNK)shieldKV8-D-13Shield (crank/cam/knock)shieldsingle_source
OEM-A34-3Power ground (E05)groundKV8-B-34 + KV8-B-9 + KV8-C-1 + KV8-C-26ECU ground + ECU ground + ECU ground + ECU groundgroundsingle_source
OEM-A34-30Shield ground (SLE1)shieldKV8-D-13Shield (crank/cam/knock)shieldsingle_source
OEM-A34-31DI injector confirmation (IJF2)analog_inKV8-C-14Analog in 13analog_insingle_source
OEM-A34-32High-pressure fuel pump spill valve (FPD)low_side_outKV8-B-24Aux 15hbridge_outsingle_source
OEM-A34-34OCV power source (VCV, 5V)vrefKV8-D-21Sensor supply Vref1 5.0Vvrefsingle_source
OEM-A34-35Shield ground (SLE3)shieldKV8-D-13Shield (crank/cam/knock)shieldsingle_source
OEM-A34-5A/F ratio sensor heater (HA1A)low_side_outKV8-A-10Lambda 1 heater −low_side_outsingle_source
OEM-A34-6ECU power (+B, main relay)power_inKV8-D-1 + KV8-D-2 + KV8-D-20ECU 14V supply + Aux 13–16 14V supply + Aux 9–12 14V supplypower_insingle_source
OEM-A34-9Fuel pressure sensor (PR)analog_inKV8-C-15Analog in 14analog_insingle_source
OEM-A35-1Canister vent valve (VPMP)low_side_outKV8-B-25Aux 16hbridge_outsingle_source
OEM-A35-10Fuel pump control monitor (DI)analog_inKV8-C-16Analog in 15analog_insingle_source
OEM-A35-11Cooling fan relay 3 (FAN1)low_side_outKV8-B-15Aux 6low_side_outsingle_source
OEM-A35-12Cooling fan relay 2 (FAN2)low_side_outKV8-B-14Aux 5low_side_outsingle_source
OEM-A35-13EFI main relay 1 (SSHUT)low_side_outKV8-D-9EFI relay output (low side, 200 mA)low_side_outsingle_source
OEM-A35-15Tachometer output (TACH)tacho_out———single_source
OEM-A35-17ETCS relay (MCR)low_side_outKV8-B-17Aux 8low_side_outsingle_source
OEM-A35-19Fuel pump control (FPC)low_side_out———single_source
OEM-A35-20Canister pressure sensor (PPMP)analog_inKV8-C-24Analog in 16analog_insingle_source
OEM-A35-21Accelerator pedal 5V supply (VCPA)vrefKV8-D-21Sensor supply Vref1 5.0Vvrefsingle_source
OEM-A35-22Accelerator pedal 5V supply (VCP2)vrefKV8-D-21Sensor supply Vref1 5.0Vvrefsingle_source
OEM-A35-23Accelerator pedal position (VPA)analog_inKV8-C-6Analog in 5analog_insingle_source
OEM-A35-26Starter signal (STA)digital_inKV8-C-33Digital in 7digital_insingle_source
OEM-A35-29Accelerator pedal ground (EPA)sensor_groundKV8-C-17 + KV8-C-25 + KV8-D-5 + KV8-D-7Analog sensor 0V reference + Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A35-30Accelerator pedal ground (EPA2)sensor_groundKV8-C-17 + KV8-C-25 + KV8-D-5 + KV8-D-7Analog sensor 0V reference + Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A35-31Accelerator pedal position 2 (VPA2)analog_inKV8-C-4Analog in 3analog_insingle_source
OEM-A35-35A/C clutch relay (AC)low_side_outKV8-B-10Aux 1low_side_outsingle_source
OEM-A35-5Injector relay (IREL)low_side_outKV8-B-11Aux 2low_side_outsingle_source
OEM-A35-7ETCS relay (+BM)low_side_outKV8-B-12Aux 3low_side_outsingle_source
OEM-A35-8Leak detection pump (MPMP)low_side_out———single_source
OEM-A36-1Throttle actuator motor - (M-)hbridge_outKV8-B-18Aux 9hbridge_outsingle_source
OEM-A36-10Ignition coil 2 (IGT2)ignition_outKV8-B-27Ignition 2ignition_outsingle_source
OEM-A36-11Purge valve (PRG)low_side_out———single_source
OEM-A36-12Injector 1 port (#10)injector_outKV8-B-1Injection 1injector_outsingle_source
OEM-A36-13Injector 4 port (#40)injector_outKV8-B-7Injection 7injector_outsingle_source
OEM-A36-14Injector 1 direct (#1)injector_outKV8-B-2Injection 2injector_outsingle_source
OEM-A36-16OCV intake bank 2 (OC2)low_side_outKV8-B-21Aux 12hbridge_outsingle_source
OEM-A36-17OCV intake bank 1 (OC1)low_side_outKV8-B-13Aux 4low_side_outsingle_source
OEM-A36-18Throttle position (VTA1)analog_inKV8-C-7Analog in 6analog_insingle_source
OEM-A36-19Sensor 5V supply (VC)vrefKV8-D-21Sensor supply Vref1 5.0Vvrefsingle_source
OEM-A36-2Throttle actuator motor + (M+)hbridge_outKV8-B-19Aux 10hbridge_outsingle_source
OEM-A36-20Oil temperature (OT)temp_inKV8-C-11Analog in 10analog_insingle_source
OEM-A36-21Ignition coil 1 (IGT1)ignition_outKV8-B-26Ignition 1ignition_outsingle_source
OEM-A36-22Injector 2 port (#20)injector_outKV8-B-3Injection 3injector_outsingle_source
OEM-A36-23Injector 4 direct (#4)injector_outKV8-B-8Injection 8injector_outsingle_source
OEM-A36-24Injector 3 direct (#3)injector_outKV8-B-5Injection 5injector_outsingle_source
OEM-A36-25Injector 2 direct (#2)injector_outKV8-B-4Injection 4injector_outsingle_source
OEM-A36-28Throttle position 2 (VTA2)analog_inKV8-C-5Analog in 4analog_insingle_source
OEM-A36-29Sensor ground (E1)sensor_groundKV8-C-17 + KV8-C-25 + KV8-D-5 + KV8-D-7Analog sensor 0V reference + Analog sensor 0V reference + Crank index sensor − + Sync sensor −sensor_ground + trigger_insingle_source
OEM-A36-3Power ground (E02)groundKV8-B-34 + KV8-B-9 + KV8-C-1 + KV8-C-26ECU ground + ECU ground + ECU ground + ECU groundgroundsingle_source
OEM-A36-30Engine coolant temperature (THW)temp_inKV8-C-9Analog in 8analog_insingle_source
OEM-A36-31Ignition coil 3 (IGT3)ignition_outKV8-B-28Ignition 3ignition_outsingle_source
OEM-A36-32Injector 3 port (#30)injector_outKV8-B-6Injection 6injector_outsingle_source
OEM-A36-4Power ground (E01)groundKV8-B-34 + KV8-B-9 + KV8-C-1 + KV8-C-26ECU ground + ECU ground + ECU ground + ECU groundgroundsingle_source
OEM-A36-5OCV exhaust bank 2 (OE2)low_side_outKV8-B-22Aux 13hbridge_outsingle_source
OEM-A36-6Heated oxygen sensor heater (HT1B)low_side_outKV8-A-11Lambda 2 heater −low_side_outsingle_source
OEM-A36-7OCV exhaust bank 1 (OE1)low_side_outKV8-B-20Aux 11hbridge_outsingle_source
OEM-A36-8Ignition coil 4 (IGT4)ignition_outKV8-B-29Ignition 4ignition_outsingle_source

Cut list

WireFromToGauge (mm²)ColourLengthSignalIdent
W1OEM-A33-1SP-14V-10.85no routeECU power (+B2, main relay)—
W2OEM-A34-6SP-14V-10.85no routeECU power (+B, main relay)—
W3SP-14V-1KV8-D-10.85no routeECU 14V supply—
W4SP-14V-1KV8-D-20.85no routeAux 13–16 14V supply—
W5SP-14V-1KV8-D-200.85no routeAux 9–12 14V supply—
W6OEM-A33-4SP-GND-10.85no routePower ground (EC)—
W7OEM-A34-1SP-GND-10.85no routePower ground (E03)—
W8OEM-A34-2SP-GND-10.85no routePower ground (E04)—
W9OEM-A34-3SP-GND-10.85no routePower ground (E05)—
W10OEM-A36-3SP-GND-10.85no routePower ground (E02)—
W11OEM-A36-4SP-GND-10.85no routePower ground (E01)—
W12SP-GND-1KV8-B-340.85no routeECU ground—
W13SP-GND-1KV8-B-90.85no routeECU ground—
W14SP-GND-1KV8-C-10.85no routeECU ground—
W15SP-GND-1KV8-C-260.85no routeECU ground—
W16OEM-A33-29SP-0V-10.5no routeMAF sensor ground (E2G)—
W17OEM-A34-27SP-0V-10.5no routeCrank position return (NE-)—
W18OEM-A35-29SP-0V-10.5no routeAccelerator pedal ground (EPA)—
W19OEM-A35-30SP-0V-10.5no routeAccelerator pedal ground (EPA2)—
W20OEM-A36-29SP-0V-10.5no routeSensor ground (E1)—
W21SP-0V-1KV8-C-170.5no routeAnalog sensor 0V reference—
W22SP-0V-1KV8-C-250.5no routeAnalog sensor 0V reference—
W23OEM-A34-34SP-5V1-10.5no routeOCV power source (VCV, 5V)—
W24OEM-A35-21SP-5V1-10.5no routeAccelerator pedal 5V supply (VCPA)—
W25OEM-A35-22SP-5V1-10.5no routeAccelerator pedal 5V supply (VCP2)—
W26OEM-A36-19SP-5V1-10.5no routeSensor 5V supply (VC)—
W27SP-5V1-1KV8-D-210.5no routeSensor supply Vref1 5.0V—
W28OEM-A34-16KV8-D-40.5no routeCrank position (NE+)—
W29SP-0V-1KV8-D-50.5no routeCrank index sensor −—
W30OEM-A34-14KV8-D-60.5no routeVVT cam sensor exhaust bank 1 (EV1+)—
W31SP-0V-1KV8-D-70.5no routeSync sensor −—
W32OEM-A34-28KV8-D-110.5no routeKnock sensor 1 (KNK1)—
W33OEM-A34-17KV8-D-170.5no routeKnock sensor 2 (KNK2)—
W34OEM-A36-21KV8-B-260.5no routeIgnition coil 1 (IGT1)—
W35OEM-A36-10KV8-B-270.5no routeIgnition coil 2 (IGT2)—
W36OEM-A36-31KV8-B-280.5no routeIgnition coil 3 (IGT3)—
W37OEM-A36-8KV8-B-290.5no routeIgnition coil 4 (IGT4)—
W38OEM-A36-12KV8-B-10.5no routeInjector 1 port (#10)—
W39OEM-A36-14KV8-B-20.5no routeInjector 1 direct (#1)—
W40OEM-A36-22KV8-B-30.5no routeInjector 2 port (#20)—
W41OEM-A36-25KV8-B-40.5no routeInjector 2 direct (#2)—
W42OEM-A36-24KV8-B-50.5no routeInjector 3 direct (#3)—
W43OEM-A36-32KV8-B-60.5no routeInjector 3 port (#30)—
W44OEM-A36-13KV8-B-70.5no routeInjector 4 port (#40)—
W45OEM-A36-23KV8-B-80.5no routeInjector 4 direct (#4)—
W46OEM-A33-28SP-SHD-10.5no routeShield ground (SLE2)—
W47OEM-A34-29SP-SHD-10.5no routeShield ground (EKNK)—
W48OEM-A34-30SP-SHD-10.5no routeShield ground (SLE1)—
W49OEM-A34-35SP-SHD-10.5no routeShield ground (SLE3)—
W50SP-SHD-1KV8-D-130.5no routeShield (crank/cam/knock)—
W51OEM-A33-27KV8-D-150.5no routeIgnition switch sense (IGSW, IG2 relay)—
W52OEM-A36-1KV8-B-180.5no routeThrottle actuator motor - (M-)—
W53OEM-A36-2KV8-B-190.5no routeThrottle actuator motor + (M+)—
W54OEM-A35-13KV8-D-90.5no routeEFI main relay 1 (SSHUT)—
W55OEM-A35-12KV8-B-140.5no routeCooling fan relay 2 (FAN2)—
W56OEM-A35-11KV8-B-150.5no routeCooling fan relay 3 (FAN1)—
W57OEM-A33-20KV8-B-160.5no routeBlower relay (HB)—
W58OEM-A35-17KV8-B-170.5no routeETCS relay (MCR)—
W59OEM-A35-35KV8-B-100.5no routeA/C clutch relay (AC)—
W60OEM-A35-5KV8-B-110.5no routeInjector relay (IREL)—
W61OEM-A35-7KV8-B-120.5no routeETCS relay (+BM)—
W62OEM-A34-5KV8-A-100.5no routeA/F ratio sensor heater (HA1A)—
W63OEM-A36-6KV8-A-110.5no routeHeated oxygen sensor heater (HT1B)—
W64OEM-A36-17KV8-B-130.5no routeOCV intake bank 1 (OC1)—
W65OEM-A36-7KV8-B-200.5no routeOCV exhaust bank 1 (OE1)—
W66OEM-A36-16KV8-B-210.5no routeOCV intake bank 2 (OC2)—
W67OEM-A36-5KV8-B-220.5no routeOCV exhaust bank 2 (OE2)—
W68OEM-A34-13KV8-B-230.5no routeHigh-pressure fuel pump spill valve (FPF)—
W69OEM-A34-32KV8-B-240.5no routeHigh-pressure fuel pump spill valve (FPD)—
W70OEM-A35-1KV8-B-250.5no routeCanister vent valve (VPMP)—
W71OEM-A33-22KV8-C-20.5no routeMass air flow (VG)—
W72OEM-A34-20KV8-C-30.5no routeManifold absolute pressure (PIM)—
W73OEM-A35-31KV8-C-40.5no routeAccelerator pedal position 2 (VPA2)—
W74OEM-A36-28KV8-C-50.5no routeThrottle position 2 (VTA2)—
W75OEM-A35-23KV8-C-60.5no routeAccelerator pedal position (VPA)—
W76OEM-A36-18KV8-C-70.5no routeThrottle position (VTA1)—
W77OEM-A34-21KV8-C-80.5no routeHeated oxygen sensor (OX1B, rear)—
W78OEM-A36-30KV8-C-90.5no routeEngine coolant temperature (THW)—
W79OEM-A33-12KV8-C-100.5no routeIntake air temperature (THA, in MAF)—
W80OEM-A36-20KV8-C-110.5no routeOil temperature (OT)—
W81OEM-A33-8KV8-C-120.5no routeA/C pressure sensor (ACP)—
W82OEM-A34-11KV8-C-130.5no routeDI injector confirmation (IJF1)—
W83OEM-A34-31KV8-C-140.5no routeDI injector confirmation (IJF2)—
W84OEM-A34-9KV8-C-150.5no routeFuel pressure sensor (PR)—
W85OEM-A35-10KV8-C-160.5no routeFuel pump control monitor (DI)—
W86OEM-A35-20KV8-C-240.5no routeCanister pressure sensor (PPMP)—
W87OEM-A33-14KV8-C-270.5no routeStarter signal (STSW2)—
W88OEM-A33-15KV8-C-280.5no routeClutch switch (CLSW)—
W89OEM-A33-16KV8-C-290.5no routeNeutral switch (NSW)—
W90OEM-A33-17KV8-C-300.5no routeStarter signal (STSW2)—
W91OEM-A33-3KV8-C-310.5no routeStop light switch (ST1-)—
W92OEM-A33-7KV8-C-320.5no routeStop light switch (STP)—
W93OEM-A35-26KV8-C-330.5no routeStarter signal (STA)—
W94OEM-A33-19KV8-D-80.5no routeCAN high (CANH)—
W95OEM-A33-18KV8-D-140.5no routeCAN low (CANL)—

Bill of materials

CategoryPart numberManufacturerDescriptionQtyUnit
connector3-1437290-7TESuperseal 1.0 26-way plug1.000ea
connector3-1437290-8TESuperseal 1.0 26-way plug, Key 21.000ea
connector4-1437290-0TESuperseal 1.0 34-way plug, Key 11.000ea
connector4-1437290-1TESuperseal 1.0 34-way plug, Key 21.000ea
terminal3-1447221-4TESuperseal 1.0 socket terminal, 20 AWG (0.5 sq mm)74.000ea

ECU setup sheet

RoleEngine refEngine signalSensorECU pointECU functionECU classSetup flag
No configured channels.

Findings

Open (16)

SeverityCodeSubjectMessage
errorDBW_SENSOR_INPUTtpsOnly 1 throttle-position track(s) found. An electronic throttle needs two (main and sub) so the ECU can cross-check them.
warnDATASET_GAPKV8 A14 of 26 cavities on KV8 A have no pin data (1,2,3,4,5,6,7,8,9,12,13,14,15,19). Anything there is invisible to these checks.
warnDBW_MOTOR_CURRENTKV8-B-18Cannot confirm KV8 can drive the throttle motor: KV8-B-18 "Aux 9" is rated 5 A, but the motor current at OEM-A36-1 is unknown. Add the motor's peak current from a source, or measure the motor resistance: peak ≈ 14 V ÷ R (Hondata measured 4.9 A for a Civic Si body, 10.4 A for a ZDX body; holding current is about 1 A).
warnDBW_MOTOR_CURRENTKV8-B-19Cannot confirm KV8 can drive the throttle motor: KV8-B-19 "Aux 10" is rated 5 A, but the motor current at OEM-A36-2 is unknown. Add the motor's peak current from a source, or measure the motor resistance: peak ≈ 14 V ÷ R (Hondata measured 4.9 A for a Civic Si body, 10.4 A for a ZDX body; holding current is about 1 A).
warnDBW_MOTOR_ISOLATIONKV8-D-20KV8-D-20 "Aux 9–12 14V supply" is fed from the same net as the ECU main supply (KV8-D-1). Link's S2000 DBW wiring feeds the throttle-motor supply through a separate isolation relay switched by the ECU, so motor power can be cut on a throttle fault. Add one, or confirm KV8 cuts the H-bridge internally.
warnNET_FAMILYOEM-A34-13 ↔ KV8-B-23OEM-A34-13 "High-pressure fuel pump spill valve (FPF)" [low_side_out] is wired to KV8-B-23 "Aux 14" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-A34-32 ↔ KV8-B-24OEM-A34-32 "High-pressure fuel pump spill valve (FPD)" [low_side_out] is wired to KV8-B-24 "Aux 15" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-A35-1 ↔ KV8-B-25OEM-A35-1 "Canister vent valve (VPMP)" [low_side_out] is wired to KV8-B-25 "Aux 16" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-A36-16 ↔ KV8-B-21OEM-A36-16 "OCV intake bank 2 (OC2)" [low_side_out] is wired to KV8-B-21 "Aux 12" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-A36-5 ↔ KV8-B-22OEM-A36-5 "OCV exhaust bank 2 (OE2)" [low_side_out] is wired to KV8-B-22 "Aux 13" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
warnNET_FAMILYOEM-A36-7 ↔ KV8-B-20OEM-A36-7 "OCV exhaust bank 1 (OE1)" [low_side_out] is wired to KV8-B-20 "Aux 11" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way.
infoNET_FAMILYOEM-A33-12 ↔ KV8-C-10OEM-A33-12 "Intake air temperature (THA, in MAF)" [temp_in] is wired to KV8-C-10 "Analog in 9" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one.
infoNET_FAMILYOEM-A35-30 ↔ KV8-D-7OEM-A35-30 "Accelerator pedal ground (EPA2)" [sensor_ground] is wired to KV8-D-7 "Sync sensor −" [trigger_in]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs.
infoNET_FAMILYOEM-A36-20 ↔ KV8-C-11OEM-A36-20 "Oil temperature (OT)" [temp_in] is wired to KV8-C-11 "Analog in 10" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one.
infoNET_FAMILYOEM-A36-30 ↔ KV8-C-9OEM-A36-30 "Engine coolant temperature (THW)" [temp_in] is wired to KV8-C-9 "Analog in 8" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one.
infoUNMAPPEDOEM9 optional OEM pins are not mapped: OEM-A34-15 VVT cam sensor intake bank 2 (VV2+); OEM-A34-18 A/F ratio sensor (A1A-); OEM-A34-19 A/F ratio sensor (A1A+); OEM-A34-25 VVT cam sensor exhaust bank 2 (EV2+); OEM-A34-26 VVT cam sensor intake bank 1 (VV1+); OEM-A35-15 Tachometer output (TACH); OEM-A35-19 Fuel pump control (FPC); OEM-A35-8 Leak detection pump (MPMP); OEM-A36-11 Purge valve (PRG)

Accepted (1)

CodeSubjectReasonBy
REQUIRED_UNMAPPEDOEM-A33-2Battery-constant (memory) feed of the stock ECU: the new ECU has no such input, so it is not needed.mapping-proposal

Notes

Auto-mapped by auto_map() from the library pin data on 2026-10-09. Review every wire against both manuals before building. Not wired: - OEM-A33 2: Battery constant (BATT, memory): Emtron KV8 has no battery-constant input; not needed - OEM-A34 26: VVT cam sensor intake bank 1 (VV1+): no free cam_hall/cam_vr/frequency_in input on Emtron KV8 - OEM-A34 25: VVT cam sensor exhaust bank 2 (EV2+): no free cam_hall/cam_vr/frequency_in input on Emtron KV8 - OEM-A34 15: VVT cam sensor intake bank 2 (VV2+): no free cam_hall/cam_vr/frequency_in input on Emtron KV8 - KV8-D 12: Knock 1 − left open: the stock knock sensor has one ECU wire; check the ECU manual for single-wire knock sensors - KV8-D 18: Knock 2 − left open: the stock knock sensor has one ECU wire; check the ECU manual for single-wire knock sensors - OEM-A35 19: Fuel pump control (FPC): no free low_side/ls_hs/injector/hbridge on Emtron KV8 - OEM-A35 8: Leak detection pump (MPMP): no free low_side/ls_hs/injector/hbridge on Emtron KV8 - OEM-A36 11: Purge valve (PRG): no free low_side/ls_hs/injector/hbridge on Emtron KV8 - OEM-A35 15: Tachometer output (TACH): no free tacho/frequency_out/low_side/ls_hs on Emtron KV8 - OEM-A34 18: A/F ratio sensor (A1A-): not classified in the library; wire by hand - OEM-A34 19: A/F ratio sensor (A1A+): not classified in the library; wire by hand

Sources

ReliabilityKindTitleURLArchiveCapturedSHA-256
4vendor_docScion FR-S / Toyota 86 Repair Manual (2013) — FA20 ECM terminal pinout (SFI system)https://gt86.me/images/0/09/2013_Scion_FR-S_Repair_Manual.pdf———
2user_datasetSubaru ECU Matcher dataset (hiubin), vehicleId=1————