Lexus SC400 1992-97 (1UZ-FE non-VVTi) → Emtron KV16 (auto)
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.
| Status | draft · not yet verified: nobody has reported building and running this harness |
|---|---|
| Open errors | 1: read the Findings page before cutting any wire |
| Size of the job | 68 wires · 11 connectors · 5 part lines |
| Tools | Crimp and extraction tools for each terminal family (see Connectors) · wire strippers · multimeter · heat gun + heat-shrink |
| Terminals | 3-1447221-4 |
| Order of work | 1. 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.
| Wire | From | To | Gauge | Colour | Cut | Label | Crimp A | Crimp B | Pin A | Pin B | Continuity |
|---|---|---|---|---|---|---|---|---|---|---|---|
| W1 | OEM-A-12 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | OEM-A-13 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | SP-14V-1 | KV16-D-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | SP-14V-1 | KV16-D-2 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | SP-14V-1 | KV16-D-20 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-A-22 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-D-13 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | OEM-D-26 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | SP-GND-1 | KV16-A-13 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | SP-GND-1 | KV16-A-19 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | SP-GND-1 | KV16-B-34 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | SP-GND-1 | KV16-B-9 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | SP-GND-1 | KV16-C-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | SP-GND-1 | KV16-C-26 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | OEM-A-18 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | OEM-C-15 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | OEM-C-16 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | SP-0V-1 | KV16-C-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | SP-0V-1 | KV16-C-25 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-A-11 | KV16-D-21 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-C-8 | KV16-D-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | SP-0V-1 | KV16-D-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-C-7 | KV16-D-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | SP-0V-1 | KV16-D-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | OEM-C-3 | KV16-D-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-C-11 | KV16-D-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-C-5 | KV16-B-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-C-13 | KV16-B-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | OEM-D-12 | KV16-B-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-D-11 | KV16-B-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | OEM-D-24 | KV16-B-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-D-25 | KV16-B-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | OEM-A-1 | KV16-D-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-A-4 | KV16-C-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-A-5 | KV16-C-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-B-4 | KV16-D-9 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-B-6 | KV16-B-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-B-7 | KV16-B-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-D-19 | KV16-A-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W40 | OEM-D-20 | KV16-A-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W41 | OEM-D-17 | KV16-B-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W42 | OEM-D-8 | KV16-B-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W43 | OEM-D-7 | KV16-B-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W44 | OEM-D-6 | KV16-B-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W45 | OEM-D-5 | KV16-B-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W46 | OEM-B-5 | KV16-B-13 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W47 | OEM-B-8 | KV16-B-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W48 | OEM-D-21 | KV16-B-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W49 | OEM-D-22 | KV16-B-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W50 | OEM-D-4 | KV16-B-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W51 | OEM-A-17 | KV16-C-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W52 | OEM-A-6 | KV16-C-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W53 | OEM-B-11 | KV16-C-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W54 | OEM-B-24 | KV16-C-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W55 | OEM-A-16 | KV16-C-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W56 | OEM-A-7 | KV16-C-9 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W57 | OEM-C-2 | KV16-C-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W58 | OEM-C-10 | KV16-C-28 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W59 | OEM-A-19 | KV16-C-29 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W60 | OEM-A-9 | KV16-C-30 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W61 | OEM-A-20 | KV16-C-31 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W62 | OEM-A-14 | KV16-C-32 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W63 | OEM-A-2 | KV16-C-33 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W64 | OEM-B-19 | KV16-C-34 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W65 | OEM-B-20 | KV16-C-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W66 | OEM-B-23 | KV16-C-19 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W67 | OEM-C-1 | KV16-C-20 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W68 | OEM-C-4 | KV16-D-19 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ |
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 A | Probe B | Expect | Why | Reading |
|---|---|---|---|---|---|
| 1 | KV16-D-1 | KV16-A-13 | open (OL) | +12 V supply must not touch power ground | |
| 2 | KV16-D-1 | KV16-C-17 | open (OL) | +12 V supply must not touch sensor ground | |
| 3 | KV16-D-21 | KV16-A-13 | open (OL) | 5 V sensor reference must not touch power ground | |
| 4 | KV16-D-21 | KV16-C-17 | open (OL) | 5 V sensor reference must not touch sensor ground | |
| 5 | KV16-D-21 | KV16-D-1 | open (OL) | 5 V sensor reference must not touch +12 V supply |
If any reading doesn't match, stop and get help before powering up.
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
KV16-A
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Injection Channel 9 | — | — | — | — | — | — | — | — |
| 2 | Injection Channel 10 | — | — | — | — | — | — | — | — |
| 3 | Injection Channel 11 | — | — | — | — | — | — | — | — |
| 4 | Injection Channel 12 | — | — | — | — | — | — | — | — |
| 5 | Injection Channel 13 | — | — | — | — | — | — | — | — |
| 6 | Injection Channel 14 | — | — | — | — | — | — | — | — |
| 7 | Injection Channel 15 | — | — | — | — | — | — | — | — |
| 8 | Ignition Channel 9 | — | — | — | — | — | — | — | — |
| 9 | Ignition Channel 10 | — | — | — | — | — | — | — | — |
| 10 | Lambda 1 Heater - | — | W39 | — | 0.5 | OEM-D-19 | — | — | — |
| 11 | Lambda 2 Heater - | — | W40 | — | 0.5 | OEM-D-20 | — | — | — |
| 12 | Injection Channel 16 | — | — | — | — | — | — | — | — |
| 13 | ECU Ground | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| 14 | Ignition Channel 11 | — | — | — | — | — | — | — | — |
| 15 | Ignition Channel 12 | — | — | — | — | — | — | — | — |
| 16 | Lambda 1 Heater + | — | — | — | — | — | — | — | — |
| 17 | Lambda 2 Heater + | — | — | — | — | — | — | — | — |
| 18 | Lambda 1 Nernst Cell (Vs) | — | — | — | — | — | — | — | — |
| 19 | ECU Ground | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 20 | Lambda 2 Cal Resistor (CalR) | — | — | — | — | — | — | — | — |
| 21 | Lambda 2 Nernst Cell (Vs) | — | — | — | — | — | — | — | — |
| 22 | Lambda 2 Pump Cell (Ip) | — | — | — | — | — | — | — | — |
| 23 | Lambda 2 Virtual Ground (VGnd) | — | — | — | — | — | — | — | — |
| 24 | Lambda 1 Cal Resistor (CalR) | — | — | — | — | — | — | — | — |
| 25 | Lambda 1 Pump Cell (Ip) | — | — | — | — | — | — | — | — |
| 26 | Lambda 1 Virtual Ground (VGnd) | — | — | — | — | — | — | — | — |
KV16-B
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Injection Channel 1 | — | W29 | — | 0.5 | OEM-D-12 | — | — | — |
| 2 | Injection Channel 2 | — | W30 | — | 0.5 | OEM-D-11 | — | — | — |
| 3 | Injection Channel 3 | — | W31 | — | 0.5 | OEM-D-24 | — | — | — |
| 4 | Injection Channel 4 | — | W32 | — | 0.5 | OEM-D-25 | — | — | — |
| 5 | Injection Channel 5 | — | W47 | — | 0.5 | OEM-B-8 | — | — | — |
| 6 | Injection Channel 6 | — | W48 | — | 0.5 | OEM-D-21 | — | — | — |
| 7 | Injection Channel 7 | — | W49 | — | 0.5 | OEM-D-22 | — | — | — |
| 8 | Injection Channel 8 | — | W50 | — | 0.5 | OEM-D-4 | — | — | — |
| 9 | ECU Ground | — | W12 | — | 0.85 | SP-GND-1 | — | — | — |
| 10 | Auxiliary Output 1 | — | W43 | — | 0.5 | OEM-D-7 | — | — | — |
| 11 | Auxiliary Output 2 | — | W44 | — | 0.5 | OEM-D-6 | — | — | — |
| 12 | Auxiliary Output 3 | — | W45 | — | 0.5 | OEM-D-5 | — | — | — |
| 13 | Auxiliary Output 4 | — | W46 | — | 0.5 | OEM-B-5 | — | — | — |
| 14 | Auxiliary Output 5 | — | W37 | — | 0.5 | OEM-B-6 | — | — | — |
| 15 | Auxiliary Output 6 | — | W38 | — | 0.5 | OEM-B-7 | — | — | — |
| 16 | Auxiliary Output 7 | — | W41 | — | 0.5 | OEM-D-17 | — | — | — |
| 17 | Auxiliary Output 8 | — | W42 | — | 0.5 | OEM-D-8 | — | — | — |
| 18 | Auxiliary Output 9 | — | — | — | — | — | — | — | — |
| 19 | Auxiliary Output 10 | — | — | — | — | — | — | — | — |
| 20 | Auxiliary Output 11 | — | — | — | — | — | — | — | — |
| 21 | Auxiliary Output 12 | — | — | — | — | — | — | — | — |
| 22 | Auxiliary Output 13 | — | — | — | — | — | — | — | — |
| 23 | Auxiliary Output 14 | — | — | — | — | — | — | — | — |
| 24 | Auxiliary Output 15 | — | — | — | — | — | — | — | — |
| 25 | Auxiliary Output 16 | — | — | — | — | — | — | — | — |
| 26 | Ignition Channel 1 | — | W27 | — | 0.5 | OEM-C-5 | — | — | — |
| 27 | Ignition Channel 2 | — | W28 | — | 0.5 | OEM-C-13 | — | — | — |
| 28 | Ignition Channel 3 | — | — | — | — | — | — | — | — |
| 29 | Ignition Channel 4 | — | — | — | — | — | — | — | — |
| 30 | Ignition Channel 5 | — | — | — | — | — | — | — | — |
| 31 | Ignition Channel 6 | — | — | — | — | — | — | — | — |
| 32 | Ignition Channel 7 | — | — | — | — | — | — | — | — |
| 33 | Ignition Channel 8 | — | — | — | — | — | — | — | — |
| 34 | ECU Ground | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
KV16-C
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ECU Ground | — | W13 | — | 0.85 | SP-GND-1 | — | — | — |
| 2 | Analog Input Channel 1 | — | W34 | — | 0.5 | OEM-A-4 | — | — | — |
| 3 | Analog Input Channel 2 | — | W35 | — | 0.5 | OEM-A-5 | — | — | — |
| 4 | Analog Input Channel 3 | — | W51 | — | 0.5 | OEM-A-17 | — | — | — |
| 5 | Analog Input Channel 4 | — | W52 | — | 0.5 | OEM-A-6 | — | — | — |
| 6 | Analog Input Channel 5 | — | W53 | — | 0.5 | OEM-B-11 | — | — | — |
| 7 | Analog Input Channel 6 | — | W54 | — | 0.5 | OEM-B-24 | — | — | — |
| 8 | Analog Input Channel 7 | — | W55 | — | 0.5 | OEM-A-16 | — | — | — |
| 9 | Analog Input Channel 8 | — | W56 | — | 0.5 | OEM-A-7 | — | — | — |
| 10 | Analog Input Channel 9 | — | — | — | — | — | — | — | — |
| 11 | Analog Input Channel 10 | — | — | — | — | — | — | — | — |
| 12 | Analog Input Channel 11 | — | — | — | — | — | — | — | — |
| 13 | Analog Input Channel 12 | — | — | — | — | — | — | — | — |
| 14 | Analog Input Channel 13 | — | — | — | — | — | — | — | — |
| 15 | Analog Input Channel 14 | — | — | — | — | — | — | — | — |
| 16 | Analog Input Channel 15 | — | — | — | — | — | — | — | — |
| 17 | Analog Sensor 0V Reference | — | W18 | — | 0.5 | SP-0V-1 | — | — | — |
| 18 | Digital Input 9 | — | W65 | — | 0.5 | OEM-B-20 | — | — | — |
| 19 | Digital Input 10 | — | W66 | — | 0.5 | OEM-B-23 | — | — | — |
| 20 | Digital Input 11 | — | W67 | — | 0.5 | OEM-C-1 | — | — | — |
| 21 | Digital Input 12 | — | — | — | — | — | — | — | — |
| 22 | Digital Input 13 | — | — | — | — | — | — | — | — |
| 23 | Digital Input 14 | — | — | — | — | — | — | — | — |
| 24 | Analog Input Channel 16 | — | — | — | — | — | — | — | — |
| 25 | Analog Sensor 0V Reference | — | W19 | — | 0.5 | SP-0V-1 | — | — | — |
| 26 | ECU Ground | — | W14 | — | 0.85 | SP-GND-1 | — | — | — |
| 27 | Digital Input 1 | — | W57 | — | 0.5 | OEM-C-2 | — | — | — |
| 28 | Digital Input 2 | — | W58 | — | 0.5 | OEM-C-10 | — | — | — |
| 29 | Digital Input 3 | — | W59 | — | 0.5 | OEM-A-19 | — | — | — |
| 30 | Digital Input 4 | — | W60 | — | 0.5 | OEM-A-9 | — | — | — |
| 31 | Digital Input 5 | — | W61 | — | 0.5 | OEM-A-20 | — | — | — |
| 32 | Digital Input 6 | — | W62 | — | 0.5 | OEM-A-14 | — | — | — |
| 33 | Digital Input 7 | — | W63 | — | 0.5 | OEM-A-2 | — | — | — |
| 34 | Digital Input 8 | — | W64 | — | 0.5 | OEM-B-19 | — | — | — |
KV16-D
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ECU 14V Supply | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | Auxiliary Output 13-16 14V Supply | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| 3 | Sensor Supply 8V | — | — | — | — | — | — | — | — |
| 4 | Crank Index Sensor + | — | W21 | — | 0.5 | OEM-C-8 | — | — | — |
| 5 | Crank Index Sensor - | — | W22 | — | 0.5 | SP-0V-1 | — | — | — |
| 6 | Sync Sensor + | — | W23 | — | 0.5 | OEM-C-7 | — | — | — |
| 7 | Sync Sensor - | — | W24 | — | 0.5 | SP-0V-1 | — | — | — |
| 8 | CAN 1H | — | — | — | — | — | — | — | — |
| 9 | EFI Relay Output (Low Side 200mA) | — | W36 | — | 0.5 | OEM-B-4 | — | — | — |
| 10 | CAN 2H | — | — | — | — | — | — | — | — |
| 11 | Knock 1 + | — | W25 | — | 0.5 | OEM-C-3 | — | — | — |
| 12 | Knock 1 - | — | — | — | — | — | — | — | — |
| 13 | Shield (Crank/Cam/ Knock) | — | — | — | — | — | — | — | — |
| 14 | CAN 1L | — | — | — | — | — | — | — | — |
| 15 | Ignition Switch Input | — | W33 | — | 0.5 | OEM-A-1 | — | — | — |
| 16 | CAN 2L | — | — | — | — | — | — | — | — |
| 17 | Knock 2 + | — | W26 | — | 0.5 | OEM-C-11 | — | — | — |
| 18 | Knock 2 - | — | — | — | — | — | — | — | — |
| 19 | Analog Output (0.0 - 5.0V) | — | W68 | — | 0.5 | OEM-C-4 | — | — | — |
| 20 | Auxiliary Output 9-12 14V Supply | — | W5 | — | 0.85 | SP-14V-1 | — | — | — |
| 21 | Sensor Supply Vref1: 5.0V | — | W20 | — | 0.5 | OEM-A-11 | — | — | — |
| 22 | Sensor Supply Vref2: 5.0V | — | — | — | — | — | — | — | — |
| 23 | Ethernet Tx + | — | — | — | — | — | — | — | — |
| 24 | Ethernet Tx - | — | — | — | — | — | — | — | — |
| 25 | Ethernet Rx + | — | — | — | — | — | — | — | — |
| 26 | Ethernet Rx - | — | — | — | — | — | — | — | — |
OEM-A
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ignition switch (IGSW) | — | W33 | — | 0.5 | KV16-D-15 | — | — | — |
| 11 | Sensor supply +5V (VC) | — | W20 | — | 0.5 | KV16-D-21 | — | — | — |
| 12 | EFI main relay (B+) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 13 | EFI main relay (B1+) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 14 | Neutral start switch (NSW) | — | W62 | — | 0.5 | KV16-C-32 | — | — | — |
| 16 | Intake air temperature (THA) | — | W55 | — | 0.5 | KV16-C-8 | — | — | — |
| 17 | O2 right front (OXR1) | — | W51 | — | 0.5 | KV16-C-4 | — | — | — |
| 18 | Sensor ground (E2) | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 19 | Vehicle speed (SPD) | — | W59 | — | 0.5 | KV16-C-29 | — | — | — |
| 2 | Starter signal (STA) | — | W63 | — | 0.5 | KV16-C-33 | — | — | — |
| 20 | Diagnostic test 2 (TE2) | — | W61 | — | 0.5 | KV16-C-31 | — | — | — |
| 22 | Power ground (E1) | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 4 | Throttle position (VTA1) | — | W34 | — | 0.5 | KV16-C-2 | — | — | — |
| 5 | Coolant temperature (THW) | — | W35 | — | 0.5 | KV16-C-3 | — | — | — |
| 6 | O2 left front (OXL1) | — | W52 | — | 0.5 | KV16-C-5 | — | — | — |
| 7 | EGR temperature sensor | — | W56 | — | 0.5 | KV16-C-9 | — | — | — |
| 8 | Knock/shield (KS) | — | — | — | — | — | — | — | — |
| 9 | Diagnostic test 1 (TE1) | — | W60 | — | 0.5 | KV16-C-30 | — | — | — |
OEM-B
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 11 | O2 right rear (OXR2) | — | W53 | — | 0.5 | KV16-C-6 | — | — | — |
| 19 | Stop light switch (BK) | — | W64 | — | 0.5 | KV16-C-34 | — | — | — |
| 20 | A/T kickdown switch (KD) | — | W65 | — | 0.5 | KV16-C-18 | — | — | — |
| 23 | A/C request (AC) | — | W66 | — | 0.5 | KV16-C-19 | — | — | — |
| 24 | O2 left rear (OXL2) | — | W54 | — | 0.5 | KV16-C-7 | — | — | — |
| 26 | Battery constant (BATT) | — | — | — | — | — | — | — | — |
| 4 | EFI main relay control (MREL) | — | W36 | — | 0.5 | KV16-D-9 | — | — | — |
| 5 | Check-engine lamp (W) | — | W46 | — | 0.5 | KV16-B-13 | — | — | — |
| 6 | Fuel pump relay (FPR) | — | W37 | — | 0.5 | KV16-B-14 | — | — | — |
| 7 | A/C clutch relay (ACMG) | — | W38 | — | 0.5 | KV16-B-15 | — | — | — |
| 8 | Fuel pump control (FC) | — | W47 | — | 0.5 | KV16-B-5 | — | — | — |
OEM-C
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | TPS idle switch (IDL) | — | W67 | — | 0.5 | KV16-C-20 | — | — | — |
| 10 | Igniter 2 feedback (IGF2) | — | W58 | — | 0.5 | KV16-C-28 | — | — | — |
| 11 | Knock sensor 2 (KNK2) | — | W26 | — | 0.5 | KV16-D-17 | — | — | — |
| 12 | Check connector VF2 | — | — | — | — | — | — | — | — |
| 13 | Ignition 2 (IGT2) | — | W28 | — | 0.5 | KV16-B-27 | — | — | — |
| 15 | Cam sensor ground (G-) | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 16 | Crank sensor - (NE-) | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| 2 | Igniter 1 feedback (IGF1) | — | W57 | — | 0.5 | KV16-C-27 | — | — | — |
| 3 | Knock sensor 1 (KNK1) | — | W25 | — | 0.5 | KV16-D-11 | — | — | — |
| 4 | Check connector VF1 | — | W68 | — | 0.5 | KV16-D-19 | — | — | — |
| 5 | Ignition 1 (IGT1) | — | W27 | — | 0.5 | KV16-B-26 | — | — | — |
| 6 | Cam sensor 2 + (G2+) | — | — | — | — | — | — | — | — |
| 7 | Cam sensor 1 + (G1+) | — | W23 | — | 0.5 | KV16-D-6 | — | — | — |
| 8 | Crank sensor + (NE+) | — | W21 | — | 0.5 | KV16-D-4 | — | — | — |
OEM-D
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 11 | Injector 2&8 (#20) | — | W30 | — | 0.5 | KV16-B-2 | — | — | — |
| 12 | Injector 1&7 (#10) | — | W29 | — | 0.5 | KV16-B-1 | — | — | — |
| 13 | Power ground (E01) | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 17 | Cold start injector 1 (STJ1) | — | W41 | — | 0.5 | KV16-B-16 | — | — | — |
| 19 | O2 heater 2 (HT2) | — | W39 | — | 0.5 | KV16-A-10 | — | — | — |
| 20 | O2 heater 1 (HT1) | — | W40 | — | 0.5 | KV16-A-11 | — | — | — |
| 21 | EGR solenoid | — | W48 | — | 0.5 | KV16-B-6 | — | — | — |
| 22 | Fuel pressure-up VSV (PR) | — | W49 | — | 0.5 | KV16-B-7 | — | — | — |
| 24 | Injector 3&5 (#40) | — | W31 | — | 0.5 | KV16-B-3 | — | — | — |
| 25 | Injector 4&6 (#30) | — | W32 | — | 0.5 | KV16-B-4 | — | — | — |
| 26 | Power ground (E02) | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| 4 | Cold start injector (STJ) | — | W50 | — | 0.5 | KV16-B-8 | — | — | — |
| 5 | ISC stepper coil 4 (ISC4) | — | W45 | — | 0.5 | KV16-B-12 | — | — | — |
| 6 | ISC stepper coil 3 (ISC3) | — | W44 | — | 0.5 | KV16-B-11 | — | — | — |
| 7 | ISC stepper coil 2 (ISC2) | — | W43 | — | 0.5 | KV16-B-10 | — | — | — |
| 8 | ISC stepper coil 1 (ISC1) | — | W42 | — | 0.5 | KV16-B-17 | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W15 | — | 0.5 | OEM-A-18 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | OEM-C-15 | — | — | — |
| 1 | — | — | W17 | — | 0.5 | OEM-C-16 | — | — | — |
| 1 | — | — | W18 | — | 0.5 | KV16-C-17 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | KV16-C-25 | — | — | — |
| 1 | — | — | W22 | — | 0.5 | KV16-D-5 | — | — | — |
| 1 | — | — | W24 | — | 0.5 | KV16-D-7 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-A-12 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-A-13 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | KV16-D-1 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | KV16-D-2 | — | — | — |
| 1 | — | — | W5 | — | 0.85 | KV16-D-20 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W6 | — | 0.85 | OEM-A-22 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-D-13 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-D-26 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | KV16-A-13 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | KV16-A-19 | — | — | — |
| 1 | — | — | W11 | — | 0.85 | KV16-B-34 | — | — | — |
| 1 | — | — | W12 | — | 0.85 | KV16-B-9 | — | — | — |
| 1 | — | — | W13 | — | 0.85 | KV16-C-1 | — | — | — |
| 1 | — | — | W14 | — | 0.85 | KV16-C-26 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-A-1 | Ignition switch (IGSW) | digital_in | KV16-D-15 | Ignition Switch Input | digital_in | single_source | |
| OEM-A-11 | Sensor supply +5V (VC) | vref | KV16-D-21 | Sensor Supply Vref1: 5.0V | vref | single_source | |
| OEM-A-12 | EFI main relay (B+) | power_in | KV16-D-1 + KV16-D-2 + KV16-D-20 | ECU 14V Supply + Auxiliary Output 13-16 14V Supply + Auxiliary Output 9-12 14V Supply | power_in | single_source | |
| OEM-A-13 | EFI main relay (B1+) | power_in | KV16-D-1 + KV16-D-2 + KV16-D-20 | ECU 14V Supply + Auxiliary Output 13-16 14V Supply + Auxiliary Output 9-12 14V Supply | power_in | single_source | |
| OEM-A-14 | Neutral start switch (NSW) | digital_in | KV16-C-32 | Digital Input 6 | digital_in | single_source | |
| OEM-A-16 | Intake air temperature (THA) | temp_in | KV16-C-8 | Analog Input Channel 7 | analog_in | single_source | |
| OEM-A-17 | O2 right front (OXR1) | lambda_nb_in | KV16-C-4 | Analog Input Channel 3 | analog_in | single_source | |
| OEM-A-18 | Sensor ground (E2) | sensor_ground | KV16-C-17 + KV16-C-25 + KV16-D-5 + KV16-D-7 | Analog Sensor 0V Reference + Analog Sensor 0V Reference + Crank Index Sensor - + Sync Sensor - | sensor_ground + trigger_in | single_source | |
| OEM-A-19 | Vehicle speed (SPD) | digital_in | KV16-C-29 | Digital Input 3 | digital_in | single_source | |
| OEM-A-2 | Starter signal (STA) | digital_in | KV16-C-33 | Digital Input 7 | digital_in | single_source | |
| OEM-A-20 | Diagnostic test 2 (TE2) | digital_in | KV16-C-31 | Digital Input 5 | digital_in | single_source | |
| OEM-A-22 | Power ground (E1) | ground | KV16-A-13 + KV16-A-19 + KV16-B-34 + KV16-B-9 + KV16-C-1 + KV16-C-26 | ECU Ground + ECU Ground + ECU Ground + ECU Ground + ECU Ground + ECU Ground | ground | single_source | |
| OEM-A-4 | Throttle position (VTA1) | analog_in | KV16-C-2 | Analog Input Channel 1 | analog_in | single_source | |
| OEM-A-5 | Coolant temperature (THW) | temp_in | KV16-C-3 | Analog Input Channel 2 | analog_in | single_source | |
| OEM-A-6 | O2 left front (OXL1) | lambda_nb_in | KV16-C-5 | Analog Input Channel 4 | analog_in | single_source | |
| OEM-A-7 | EGR temperature sensor | temp_in | KV16-C-9 | Analog Input Channel 8 | analog_in | single_source | |
| OEM-A-8 | Knock/shield (KS) | knock_in | — | — | — | single_source | |
| OEM-A-9 | Diagnostic test 1 (TE1) | digital_in | KV16-C-30 | Digital Input 4 | digital_in | single_source | |
| OEM-B-11 | O2 right rear (OXR2) | lambda_nb_in | KV16-C-6 | Analog Input Channel 5 | analog_in | single_source | |
| OEM-B-19 | Stop light switch (BK) | digital_in | KV16-C-34 | Digital Input 8 | digital_in | single_source | |
| OEM-B-20 | A/T kickdown switch (KD) | digital_in | KV16-C-18 | Digital Input 9 | digital_in | single_source | |
| OEM-B-23 | A/C request (AC) | digital_in | KV16-C-19 | Digital Input 10 | digital_in | single_source | |
| OEM-B-24 | O2 left rear (OXL2) | lambda_nb_in | KV16-C-7 | Analog Input Channel 6 | analog_in | single_source | |
| OEM-B-26 | Battery constant (BATT) | power_in | — | — | — | single_source | |
| OEM-B-4 | EFI main relay control (MREL) | low_side_out | KV16-D-9 | EFI Relay Output (Low Side 200mA) | low_side_out | single_source | |
| OEM-B-5 | Check-engine lamp (W) | low_side_out | KV16-B-13 | Auxiliary Output 4 | low_side_out | single_source | |
| OEM-B-6 | Fuel pump relay (FPR) | low_side_out | KV16-B-14 | Auxiliary Output 5 | low_side_out | single_source | |
| OEM-B-7 | A/C clutch relay (ACMG) | low_side_out | KV16-B-15 | Auxiliary Output 6 | low_side_out | single_source | |
| OEM-B-8 | Fuel pump control (FC) | low_side_out | KV16-B-5 | Injection Channel 5 | injector_out | single_source | |
| OEM-C-1 | TPS idle switch (IDL) | digital_in | KV16-C-20 | Digital Input 11 | digital_in | single_source | |
| OEM-C-10 | Igniter 2 feedback (IGF2) | digital_in | KV16-C-28 | Digital Input 2 | digital_in | single_source | |
| OEM-C-11 | Knock sensor 2 (KNK2) | knock_in | KV16-D-17 | Knock 2 + | knock_in | single_source | |
| OEM-C-12 | Check connector VF2 | analog_out | — | — | — | single_source | |
| OEM-C-13 | Ignition 2 (IGT2) | ignition_out | KV16-B-27 | Ignition Channel 2 | ignition_out | single_source | |
| OEM-C-15 | Cam sensor ground (G-) | sensor_ground | KV16-C-17 + KV16-C-25 + KV16-D-5 + KV16-D-7 | Analog Sensor 0V Reference + Analog Sensor 0V Reference + Crank Index Sensor - + Sync Sensor - | sensor_ground + trigger_in | single_source | |
| OEM-C-16 | Crank sensor - (NE-) | sensor_ground | KV16-C-17 + KV16-C-25 + KV16-D-5 + KV16-D-7 | Analog Sensor 0V Reference + Analog Sensor 0V Reference + Crank Index Sensor - + Sync Sensor - | sensor_ground + trigger_in | single_source | |
| OEM-C-2 | Igniter 1 feedback (IGF1) | digital_in | KV16-C-27 | Digital Input 1 | digital_in | single_source | |
| OEM-C-3 | Knock sensor 1 (KNK1) | knock_in | KV16-D-11 | Knock 1 + | knock_in | single_source | |
| OEM-C-4 | Check connector VF1 | analog_out | KV16-D-19 | Analog Output (0.0 - 5.0V) | analog_out | single_source | |
| OEM-C-5 | Ignition 1 (IGT1) | ignition_out | KV16-B-26 | Ignition Channel 1 | ignition_out | single_source | |
| OEM-C-6 | Cam sensor 2 + (G2+) | trigger_in | — | — | — | single_source | |
| OEM-C-7 | Cam sensor 1 + (G1+) | trigger_in | KV16-D-6 | Sync Sensor + | trigger_in | single_source | |
| OEM-C-8 | Crank sensor + (NE+) | trigger_in | KV16-D-4 | Crank Index Sensor + | trigger_in | single_source | |
| OEM-D-11 | Injector 2&8 (#20) | injector_out | KV16-B-2 | Injection Channel 2 | injector_out | single_source | |
| OEM-D-12 | Injector 1&7 (#10) | injector_out | KV16-B-1 | Injection Channel 1 | injector_out | single_source | |
| OEM-D-13 | Power ground (E01) | ground | KV16-A-13 + KV16-A-19 + KV16-B-34 + KV16-B-9 + KV16-C-1 + KV16-C-26 | ECU Ground + ECU Ground + ECU Ground + ECU Ground + ECU Ground + ECU Ground | ground | single_source | |
| OEM-D-17 | Cold start injector 1 (STJ1) | low_side_out | KV16-B-16 | Auxiliary Output 7 | low_side_out | single_source | |
| OEM-D-19 | O2 heater 2 (HT2) | low_side_out | KV16-A-10 | Lambda 1 Heater - | low_side_out | single_source | |
| OEM-D-20 | O2 heater 1 (HT1) | low_side_out | KV16-A-11 | Lambda 2 Heater - | low_side_out | single_source | |
| OEM-D-21 | EGR solenoid | low_side_out | KV16-B-6 | Injection Channel 6 | injector_out | single_source | |
| OEM-D-22 | Fuel pressure-up VSV (PR) | low_side_out | KV16-B-7 | Injection Channel 7 | injector_out | single_source | |
| OEM-D-24 | Injector 3&5 (#40) | injector_out | KV16-B-3 | Injection Channel 3 | injector_out | single_source | |
| OEM-D-25 | Injector 4&6 (#30) | injector_out | KV16-B-4 | Injection Channel 4 | injector_out | single_source | |
| OEM-D-26 | Power ground (E02) | ground | KV16-A-13 + KV16-A-19 + KV16-B-34 + KV16-B-9 + KV16-C-1 + KV16-C-26 | ECU Ground + ECU Ground + ECU Ground + ECU Ground + ECU Ground + ECU Ground | ground | single_source | |
| OEM-D-4 | Cold start injector (STJ) | low_side_out | KV16-B-8 | Injection Channel 8 | injector_out | single_source | |
| OEM-D-5 | ISC stepper coil 4 (ISC4) | low_side_out | KV16-B-12 | Auxiliary Output 3 | low_side_out | single_source | |
| OEM-D-6 | ISC stepper coil 3 (ISC3) | low_side_out | KV16-B-11 | Auxiliary Output 2 | low_side_out | single_source | |
| OEM-D-7 | ISC stepper coil 2 (ISC2) | low_side_out | KV16-B-10 | Auxiliary Output 1 | low_side_out | single_source | |
| OEM-D-8 | ISC stepper coil 1 (ISC1) | low_side_out | KV16-B-17 | Auxiliary Output 8 | low_side_out | single_source |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-A-12 | SP-14V-1 | 0.85 | no route | EFI main relay (B+) | — | |
| W2 | OEM-A-13 | SP-14V-1 | 0.85 | no route | EFI main relay (B1+) | — | |
| W3 | SP-14V-1 | KV16-D-1 | 0.85 | no route | ECU 14V Supply | — | |
| W4 | SP-14V-1 | KV16-D-2 | 0.85 | no route | Auxiliary Output 13-16 14V Supply | — | |
| W5 | SP-14V-1 | KV16-D-20 | 0.85 | no route | Auxiliary Output 9-12 14V Supply | — | |
| W6 | OEM-A-22 | SP-GND-1 | 0.85 | no route | Power ground (E1) | — | |
| W7 | OEM-D-13 | SP-GND-1 | 0.85 | no route | Power ground (E01) | — | |
| W8 | OEM-D-26 | SP-GND-1 | 0.85 | no route | Power ground (E02) | — | |
| W9 | SP-GND-1 | KV16-A-13 | 0.85 | no route | ECU Ground | — | |
| W10 | SP-GND-1 | KV16-A-19 | 0.85 | no route | ECU Ground | — | |
| W11 | SP-GND-1 | KV16-B-34 | 0.85 | no route | ECU Ground | — | |
| W12 | SP-GND-1 | KV16-B-9 | 0.85 | no route | ECU Ground | — | |
| W13 | SP-GND-1 | KV16-C-1 | 0.85 | no route | ECU Ground | — | |
| W14 | SP-GND-1 | KV16-C-26 | 0.85 | no route | ECU Ground | — | |
| W15 | OEM-A-18 | SP-0V-1 | 0.5 | no route | Sensor ground (E2) | — | |
| W16 | OEM-C-15 | SP-0V-1 | 0.5 | no route | Cam sensor ground (G-) | — | |
| W17 | OEM-C-16 | SP-0V-1 | 0.5 | no route | Crank sensor - (NE-) | — | |
| W18 | SP-0V-1 | KV16-C-17 | 0.5 | no route | Analog Sensor 0V Reference | — | |
| W19 | SP-0V-1 | KV16-C-25 | 0.5 | no route | Analog Sensor 0V Reference | — | |
| W20 | OEM-A-11 | KV16-D-21 | 0.5 | no route | Sensor supply +5V (VC) | — | |
| W21 | OEM-C-8 | KV16-D-4 | 0.5 | no route | Crank sensor + (NE+) | — | |
| W22 | SP-0V-1 | KV16-D-5 | 0.5 | no route | Crank Index Sensor - | — | |
| W23 | OEM-C-7 | KV16-D-6 | 0.5 | no route | Cam sensor 1 + (G1+) | — | |
| W24 | SP-0V-1 | KV16-D-7 | 0.5 | no route | Sync Sensor - | — | |
| W25 | OEM-C-3 | KV16-D-11 | 0.5 | no route | Knock sensor 1 (KNK1) | — | |
| W26 | OEM-C-11 | KV16-D-17 | 0.5 | no route | Knock sensor 2 (KNK2) | — | |
| W27 | OEM-C-5 | KV16-B-26 | 0.5 | no route | Ignition 1 (IGT1) | — | |
| W28 | OEM-C-13 | KV16-B-27 | 0.5 | no route | Ignition 2 (IGT2) | — | |
| W29 | OEM-D-12 | KV16-B-1 | 0.5 | no route | Injector 1&7 (#10) | — | |
| W30 | OEM-D-11 | KV16-B-2 | 0.5 | no route | Injector 2&8 (#20) | — | |
| W31 | OEM-D-24 | KV16-B-3 | 0.5 | no route | Injector 3&5 (#40) | — | |
| W32 | OEM-D-25 | KV16-B-4 | 0.5 | no route | Injector 4&6 (#30) | — | |
| W33 | OEM-A-1 | KV16-D-15 | 0.5 | no route | Ignition switch (IGSW) | — | |
| W34 | OEM-A-4 | KV16-C-2 | 0.5 | no route | Throttle position (VTA1) | — | |
| W35 | OEM-A-5 | KV16-C-3 | 0.5 | no route | Coolant temperature (THW) | — | |
| W36 | OEM-B-4 | KV16-D-9 | 0.5 | no route | EFI main relay control (MREL) | — | |
| W37 | OEM-B-6 | KV16-B-14 | 0.5 | no route | Fuel pump relay (FPR) | — | |
| W38 | OEM-B-7 | KV16-B-15 | 0.5 | no route | A/C clutch relay (ACMG) | — | |
| W39 | OEM-D-19 | KV16-A-10 | 0.5 | no route | O2 heater 2 (HT2) | — | |
| W40 | OEM-D-20 | KV16-A-11 | 0.5 | no route | O2 heater 1 (HT1) | — | |
| W41 | OEM-D-17 | KV16-B-16 | 0.5 | no route | Cold start injector 1 (STJ1) | — | |
| W42 | OEM-D-8 | KV16-B-17 | 0.5 | no route | ISC stepper coil 1 (ISC1) | — | |
| W43 | OEM-D-7 | KV16-B-10 | 0.5 | no route | ISC stepper coil 2 (ISC2) | — | |
| W44 | OEM-D-6 | KV16-B-11 | 0.5 | no route | ISC stepper coil 3 (ISC3) | — | |
| W45 | OEM-D-5 | KV16-B-12 | 0.5 | no route | ISC stepper coil 4 (ISC4) | — | |
| W46 | OEM-B-5 | KV16-B-13 | 0.5 | no route | Check-engine lamp (W) | — | |
| W47 | OEM-B-8 | KV16-B-5 | 0.5 | no route | Fuel pump control (FC) | — | |
| W48 | OEM-D-21 | KV16-B-6 | 0.5 | no route | EGR solenoid | — | |
| W49 | OEM-D-22 | KV16-B-7 | 0.5 | no route | Fuel pressure-up VSV (PR) | — | |
| W50 | OEM-D-4 | KV16-B-8 | 0.5 | no route | Cold start injector (STJ) | — | |
| W51 | OEM-A-17 | KV16-C-4 | 0.5 | no route | O2 right front (OXR1) | — | |
| W52 | OEM-A-6 | KV16-C-5 | 0.5 | no route | O2 left front (OXL1) | — | |
| W53 | OEM-B-11 | KV16-C-6 | 0.5 | no route | O2 right rear (OXR2) | — | |
| W54 | OEM-B-24 | KV16-C-7 | 0.5 | no route | O2 left rear (OXL2) | — | |
| W55 | OEM-A-16 | KV16-C-8 | 0.5 | no route | Intake air temperature (THA) | — | |
| W56 | OEM-A-7 | KV16-C-9 | 0.5 | no route | EGR temperature sensor | — | |
| W57 | OEM-C-2 | KV16-C-27 | 0.5 | no route | Igniter 1 feedback (IGF1) | — | |
| W58 | OEM-C-10 | KV16-C-28 | 0.5 | no route | Igniter 2 feedback (IGF2) | — | |
| W59 | OEM-A-19 | KV16-C-29 | 0.5 | no route | Vehicle speed (SPD) | — | |
| W60 | OEM-A-9 | KV16-C-30 | 0.5 | no route | Diagnostic test 1 (TE1) | — | |
| W61 | OEM-A-20 | KV16-C-31 | 0.5 | no route | Diagnostic test 2 (TE2) | — | |
| W62 | OEM-A-14 | KV16-C-32 | 0.5 | no route | Neutral start switch (NSW) | — | |
| W63 | OEM-A-2 | KV16-C-33 | 0.5 | no route | Starter signal (STA) | — | |
| W64 | OEM-B-19 | KV16-C-34 | 0.5 | no route | Stop light switch (BK) | — | |
| W65 | OEM-B-20 | KV16-C-18 | 0.5 | no route | A/T kickdown switch (KD) | — | |
| W66 | OEM-B-23 | KV16-C-19 | 0.5 | no route | A/C request (AC) | — | |
| W67 | OEM-C-1 | KV16-C-20 | 0.5 | no route | TPS idle switch (IDL) | — | |
| W68 | OEM-C-4 | KV16-D-19 | 0.5 | no route | Check connector VF1 | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|---|---|---|---|---|
| connector | 3-1437290-7 | TE | Superseal 1.0 26-way plug | 1.000 | ea |
| connector | 3-1437290-8 | TE | Superseal 1.0 26-way plug, Key 2 | 1.000 | ea |
| connector | 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 1.000 | ea |
| connector | 4-1437290-1 | TE | Superseal 1.0 34-way plug, Key 2 | 1.000 | ea |
| terminal | 3-1447221-4 | TE | Superseal 1.0 socket terminal, 20 AWG (0.5 sq mm) | 60.000 | ea |
ECU setup sheet
| Role | Engine ref | Engine signal | Sensor | ECU point | ECU function | ECU class | Setup flag |
|---|---|---|---|---|---|---|---|
| No configured channels. | |||||||
Findings
Open (10)
| Severity | Code | Subject | Message |
|---|---|---|---|
| error | REQUIRED_UNMAPPED | OEM-C-6 | Required OEM function "Cam sensor 2 + (G2+)" (trigger_in) is not connected to the new ECU. |
| info | NET_FAMILY | OEM-A-16 ↔ KV16-C-8 | OEM-A-16 "Intake air temperature (THA)" [temp_in] is wired to KV16-C-8 "Analog Input Channel 7" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-A-5 ↔ KV16-C-3 | OEM-A-5 "Coolant temperature (THW)" [temp_in] is wired to KV16-C-3 "Analog Input Channel 2" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-A-7 ↔ KV16-C-9 | OEM-A-7 "EGR temperature sensor" [temp_in] is wired to KV16-C-9 "Analog Input Channel 8" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-B-8 ↔ KV16-B-5 | OEM-B-8 "Fuel pump control (FC)" [low_side_out] is wired to KV16-B-5 "Injection Channel 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-C-16 ↔ KV16-D-5 | OEM-C-16 "Crank sensor - (NE-)" [sensor_ground] is wired to KV16-D-5 "Crank Index Sensor -" [trigger_in]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs. |
| info | NET_FAMILY | OEM-D-21 ↔ KV16-B-6 | OEM-D-21 "EGR solenoid" [low_side_out] is wired to KV16-B-6 "Injection Channel 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-D-22 ↔ KV16-B-7 | OEM-D-22 "Fuel pressure-up VSV (PR)" [low_side_out] is wired to KV16-B-7 "Injection Channel 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-D-4 ↔ KV16-B-8 | OEM-D-4 "Cold start injector (STJ)" [low_side_out] is wired to KV16-B-8 "Injection Channel 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | UNMAPPED | OEM | 2 optional OEM pins are not mapped: OEM-A-8 Knock/shield (KS); OEM-C-12 Check connector VF2 |
Accepted (1)
| Code | Subject | Reason | By |
|---|---|---|---|
| REQUIRED_UNMAPPED | OEM-B-26 | Battery-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 2026-10-11. Review every wire against both manuals before building. Open items: - OEM-C 6: Cam sensor 2 + (G2+): no free cam_vr/cam_hall/frequency_in input on Emtron KV16 Not wired: - OEM-B 26: Battery constant (BATT): Emtron KV16 has no battery-constant input; not needed - KV16-D 12: Knock 1 - left open: the stock knock sensor has one ECU wire; check the ECU manual for single-wire knock sensors - KV16-D 18: Knock 2 - left open: the stock knock sensor has one ECU wire; check the ECU manual for single-wire knock sensors - OEM-A 8: Knock/shield (KS): no free knock input on Emtron KV16 - OEM-C 12: Check connector VF2: no free analog_out on Emtron KV16
Sources
| Reliability | Kind | Title | URL | Archive | Captured | SHA-256 |
|---|---|---|---|---|---|---|
| 4 | vendor_doc | Emtron KV12/KV16 Pinout Rev2 | https://github.com/emtron-australia/help | — | 2026-10-05 | 2f3a1b2d2ed4 |
| 2 | community_copy | Lextreme: Adaptronic install for 1UZ-FE (Lexus LS400/SC400) — 4-plug A/B/C/D ECU pin table (1992 LS400) | https://www.lextreme.com/installation-of-an-adaptronic-ecu-for-a-lexus-ls400-sc400-1uzfe-engine/ | — | — | — |