Emtron KV12 pinout
ecurecovery.com/pinouts/emtron/kv12 · Every pin checked against 2 Emtron documents · data checked 2026-11-04
Pinout
Emtron KV12 pinout
Every pin of the 26-pin A, 34-pin B, 34-pin C, and 26-pin D connectors, with the wire colours of Emtron's harness. Tap a pin to see what it does.
Every pin checked against 2 Emtron documentsPick any pin on the drawing or in the table to see its function, its wire colour and the documents it was checked in.
Emtron KV12 connector A pinout (26-pin)
Mating connector: TE AMP Superseal 1.0 3-1437290-8 (26 Way / Key 2)
| Pin | Function | Wire | Emtron note |
|---|---|---|---|
| A1 | Injection Channel 9 | - | |
| A2 | Injection Channel 10 | - | |
| A3 | Injection Channel 11 | - | |
| A4 | Injection Channel 12 | - | |
| A5 | Not used | - | |
| A6 | Not used | - | |
| A7 | Not used | - | |
| A8 | Ignition Channel 9 | - | |
| A9 | Ignition Channel 10 | - | |
| A10 | Lambda 1 Heater - | - | |
| A11 | Lambda 2 Heater - | - | |
| A12 | Not used | - | |
| A13 | Not used | - | |
| A14 | Ignition Channel 11 | - | |
| A15 | Ignition Channel 12 | - | |
| A16 | Lambda 1 Heater + | - | |
| A17 | Lambda 2 Heater + | - | |
| A18 | Lambda 1 Nernst Cell (Vs) | - | |
| A19 | ECU Ground | Black | |
| A20 | Lambda 2 Cal Resistor (CalR) | - | |
| A21 | Lambda 2 Nernst Cell (Vs) | - | |
| A22 | Lambda 2 Pump Cell (Ip) | - | |
| A23 | Lambda 2 Virtual Ground (VGnd) | - | |
| A24 | Lambda 1 Cal Resistor (CalR) | - | |
| A25 | Lambda 1 Pump Cell (Ip) | - | |
| A26 | Lambda 1 Virtual Ground (VGnd) | - |
Emtron KV12 connector B pinout (34-pin)
Mating connector: TE AMP Superseal 1.0 4-1437290-1 (34 Way / Key 2)
| Pin | Function | Wire | Emtron note |
|---|---|---|---|
| B1 | Injection Channel 1 | Blue | |
| B2 | Injection Channel 2 | Blue | |
| B3 | Injection Channel 3 | Blue | |
| B4 | Injection Channel 4 | Blue | |
| B5 | Injection Channel 5 | Blue | |
| B6 | Injection Channel 6 | Blue | |
| B7 | Injection Channel 7 | Blue | |
| B8 | Injection Channel 8 | Blue | |
| B9 | ECU Ground | Black | |
| B10 | Auxiliary Output 1 | Grey | |
| B11 | Auxiliary Output 2 | Grey | |
| B12 | Auxiliary Output 3 | Grey | |
| B13 | Auxiliary Output 4 | Grey | |
| B14 | Auxiliary Output 5 | Grey | |
| B15 | Auxiliary Output 6 | Grey | |
| B16 | Auxiliary Output 7 | Grey | |
| B17 | Auxiliary Output 8 | Grey | |
| B18 | Auxiliary Output 9 | Grey | |
| B19 | Auxiliary Output 10 | Grey | |
| B20 | Auxiliary Output 11 | Grey | |
| B21 | Auxiliary Output 12 | Grey | |
| B22 | Auxiliary Output 13 | - | |
| B23 | Auxiliary Output 14 | - | |
| B24 | Auxiliary Output 15 | - | |
| B25 | Auxiliary Output 16 | - | |
| B26 | Ignition Channel 1 | Yellow | |
| B27 | Ignition Channel 2 | Yellow | |
| B28 | Ignition Channel 3 | Yellow | |
| B29 | Ignition Channel 4 | Yellow | |
| B30 | Ignition Channel 5 | Yellow | |
| B31 | Ignition Channel 6 | Yellow | |
| B32 | Ignition Channel 7 | Yellow | |
| B33 | Ignition Channel 8 | Yellow | |
| B34 | ECU Ground | Black |
Emtron KV12 connector C pinout (34-pin)
Mating connector: TE AMP Superseal 1.0 4-1437290-0 (34 Way / Key 1)
| Pin | Function | Wire | Emtron note |
|---|---|---|---|
| C1 | ECU Ground | Black | |
| C2 | Analog Input Channel 1 | White | |
| C3 | Analog Input Channel 2 | White | |
| C4 | Analog Input Channel 3 | White | |
| C5 | Analog Input Channel 4 | White | |
| C6 | Analog Input Channel 5 | White | |
| C7 | Analog Input Channel 6 | White | |
| C8 | Analog Input Channel 7 | White | |
| C9 | Analog Input Channel 8 | White | |
| C10 | Analog Input Channel 9 | White | |
| C11 | Analog Input Channel 10 | White | |
| C12 | Analog Input Channel 11 | - | |
| C13 | Analog Input Channel 12 | - | |
| C14 | Analog Input Channel 13 | - | |
| C15 | Analog Input Channel 14 | - | |
| C16 | Analog Input Channel 15 | - | |
| C17 | Analog Sensor 0V Reference | - | |
| C18 | Digital Input 9 | White | |
| C19 | Digital Input 10 | - | |
| C20 | Digital Input 11 | - | |
| C21 | Digital Input 12 | - | |
| C22 | Digital Input 13 | - | |
| C23 | Digital Input 14 | - | |
| C24 | Analog Input Channel 16 | - | |
| C25 | Analog Sensor 0V Reference | - | |
| C26 | ECU Ground | Black | |
| C27 | Digital Input 1 | White | |
| C28 | Digital Input 2 | White | |
| C29 | Digital Input 3 | White | |
| C30 | Digital Input 4 | White | |
| C31 | Digital Input 5 | White | |
| C32 | Digital Input 6 | White | |
| C33 | Digital Input 7 | White | |
| C34 | Digital Input 8 | White |
Emtron KV12 connector D pinout (26-pin)
Mating connector: TE AMP Superseal 1.0 3-1437290-7 (26 Way / Key 1)
| Pin | Function | Wire | Emtron note |
|---|---|---|---|
| D1 | ECU 14V Supply | Red | |
| D2 | Auxiliary Output 13-16 14V Supply | - | |
| D3 | Sensor Supply 8V | White/Orange | |
| D4 | Crank Index Sensor + | - | 2 core Shielded Cable (shared with D5) |
| D5 | Crank Index Sensor - | - | 2 core Shielded Cable (shared with D4) |
| D6 | Sync Sensor + | - | 2 core Shielded Cable (shared with D7) |
| D7 | Sync Sensor - | - | 2 core Shielded Cable (shared with D6) |
| D8 | CAN 1H | White | |
| D9 | EFI Relay Output (Low Side 200mA) | - | |
| D10 | CAN 2H | White | |
| D11 | Knock 1 + | - | 2 core Shielded Cable (shared with D12) |
| D12 | Knock 1 - | - | 2 core Shielded Cable (shared with D11) |
| D13 | Shield (Crank/Cam/ Knock) | White | |
| D14 | CAN 1L | Green | |
| D15 | Ignition Switch Input | Red | |
| D16 | CAN 2L | Green | |
| D17 | Knock 2 + | - | 2 core Shielded Cable (shared with D18) |
| D18 | Knock 2 - | - | 2 core Shielded Cable (shared with D17) |
| D19 | Analog Output (0.0 - 5.0V) | - | |
| D20 | Auxiliary Output 9-12 14V Supply | Red | |
| D21 | Sensor Supply Vref1: 5.0V | - | |
| D22 | Sensor Supply Vref2: 5.0V | - | |
| D23 | Ethernet Tx + | - | |
| D24 | Ethernet Tx - | - | |
| D25 | Ethernet Rx + | - | |
| D26 | Ethernet Rx - | - |
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Check my map freeEmtron KV12 pins at a glance
- Which pins are CAN on the Emtron KV12?
- CAN 1H: pin D8 (White). CAN 2H: pin D10 (White). CAN 1L: pin D14 (Green). CAN 2L: pin D16 (Green).
- Which pins are the crank and cam inputs on the Emtron KV12?
- Crank Index Sensor +: pin D4. Crank Index Sensor -: pin D5. Sync Sensor +: pin D6. Sync Sensor -: pin D7.
- Which pins are the injector outputs on the Emtron KV12?
- Injection Channel 9: pin A1. Injection Channel 10: pin A2. Injection Channel 11: pin A3. Injection Channel 12: pin A4. Injection Channel 1: pin B1 (Blue). Injection Channel 2: pin B2 (Blue). Injection Channel 3: pin B3 (Blue). Injection Channel 4: pin B4 (Blue). Injection Channel 5: pin B5 (Blue). Injection Channel 6: pin B6 (Blue). Injection Channel 7: pin B7 (Blue). Injection Channel 8: pin B8 (Blue).
- Which pins are the ignition outputs on the Emtron KV12?
- Ignition Channel 9: pin A8. Ignition Channel 10: pin A9. Ignition Channel 11: pin A14. Ignition Channel 12: pin A15. Ignition Channel 1: pin B26 (Yellow). Ignition Channel 2: pin B27 (Yellow). Ignition Channel 3: pin B28 (Yellow). Ignition Channel 4: pin B29 (Yellow). Ignition Channel 5: pin B30 (Yellow). Ignition Channel 6: pin B31 (Yellow). Ignition Channel 7: pin B32 (Yellow). Ignition Channel 8: pin B33 (Yellow).
- Which pins are ground on the Emtron KV12?
- ECU Ground: pins A19, B9, B34, C1, C26 (Black). Analog Sensor 0V Reference: pins C17, C25.
- Which pins power the Emtron KV12?
- ECU 14V Supply: pin D1 (Red). Ignition Switch Input: pin D15 (Red).
- Which pins are the sensor supplies on the Emtron KV12?
- Sensor Supply 8V: pin D3 (White/Orange).
- Which pins are the wideband sensor connections on the Emtron KV12?
- Lambda 1 Heater -: pin A10. Lambda 2 Heater -: pin A11. Lambda 1 Heater +: pin A16. Lambda 2 Heater +: pin A17. Lambda 1 Nernst Cell (Vs): pin A18. Lambda 2 Cal Resistor (CalR): pin A20. Lambda 2 Nernst Cell (Vs): pin A21. Lambda 2 Pump Cell (Ip): pin A22. Lambda 2 Virtual Ground (VGnd): pin A23. Lambda 1 Cal Resistor (CalR): pin A24. Lambda 1 Pump Cell (Ip): pin A25. Lambda 1 Virtual Ground (VGnd): pin A26.
Emtron KV12 pinout sheet
A printable sheet with the connector drawings and every pin, made from the checked data on this page.
Where this comes from
Only Emtron's own documents. Pin names and notes are written exactly as Emtron writes them.
Emtron pinout for this ECU
Emtron wiring harness specification
Emtron hardware manual
Plug drawing: TE Connectivity customer drawing (used for the drawing only)Third party
How we checked it
- We start from Emtron's pinout page for this ECU, on its Resource Centre.
- Every pin is read again in Emtron's wiring harness specification for the ECU family, which lists each pin with its name, description and wire colour. A script compares them pin by pin.
- A pin is only shown when both name the same function. A pin the ECU's pinout marks NC is shown as not connected; where the family's harness specification lists something there, the page says so. A wire colour is shown only when a second Emtron harness specification gives the same colour for that pin name.
- Labels are Emtron's own words from the pinout page; notes are its words from the harness specification.
Where Emtron's documents disagree
A13: Emtron's KV Series wiring harness specification lists Power Ground (GND) on A13. The KV12 pinout lists the pin as NC (not connected). Shown: not connected, as in the KV12's own pinout.
ECU Recovery is not affiliated with Emtron. Emtron and its product names are trademarks of Emtron. If your harness came with its own diagram, check your wiring against it.
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