Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
190-Pin PCM
2009 Lincoln Navigator 4WDSECTION 190-Pin PCM
ITEM DESCRIPTION
| Item | Number | Description |
|---|---|---|
| 1 | - | Body |
| 2 | - | Engine |
| 3 | - | Transmission |
190-PIN PCM POWER AND GROUNDS
| Function | Description | Connector/Pin (E-Series, Expedition, F-150, Focus, Navigator) | Connector/Pin (Escape, Mariner) | Connector/Pin (All Others) |
|---|---|---|---|---|
| VPWR | Voltage input to module | B67, B68 | B67, B68 | B51, B52, B53 |
| PWRGND | Power ground | B69, B70 | B69, B70 | B67, B68, B69, B70 |
| CSEGND | Case ground | B50 | B50 | B66 |
| SIGRTN | Signal return | B58, E64, T40 | B56, E49, T41 | B58, E58 |
| VREF | 5.0 volt reference | B52, B66, E63 | B52, B66, E35 | B29, B64 |
| KAPWR | Keep alive power | B62 | B62 | B54 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.