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.
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HOMESERVICE MANUALSLINCOLN2010MKZ FWD V6-3.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUS
2010 Lincoln MKZ FWD V6-3.5L
Information Bus
2010 Lincoln MKZ FWD V6-3.5LSECTION Information Bus
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test A: The PCM Does Not Respond To The Scan Tool
- Pinpoint Test AA: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Scan Tool
- Pinpoint Test AB: Intermittent No Medium Speed CAN (MS-CAN) Communication, One + Modules Are Not Responding During Network Test
- Pinpoint Test AC: No Medium Speed CAN (MS-CAN) Communication, All Modules Are Not Responding
- Pinpoint Test AD: Intermittent No High Speed CAN (HS-CAN) Communication, One + Modules Are Not Responding During Network Test
- Pinpoint Test AE: No High Speed Controller Area Network (HS-CAN) Communication, All Modules Are Not Responding
- Pinpoint Test AF: No Power To The Scan Tool
- Pinpoint Test B: The ABS Module Does Not Respond To The Scan Tool
- Pinpoint Test C: The Instrument Panel Cluster (IPC) Does Not Respond To The Scan Tool
- Pinpoint Test D: The Power Steering Control Module (PSCM) Does Not Respond To The Scan Tool
- Pinpoint Test E: The Restraints Control Module (RCM) Does Not Respond To The Scan Tool
- Pinpoint Test F: The Occupant Classification System Module (OCSM) Does Not Respond To The Scan Tool
- Pinpoint Test G: The Transmission Control Module (TCM) Does Not Respond To The Scan Tool
- Pinpoint Test H: The 4X4 Control Module Does Not Respond To The Scan Tool
- Pinpoint Test I: The Headlamp Control Module (HCM) Does Not Respond To The Scan Tool
- Pinpoint Test J: The Battery Energy Control Module (BECM) Does Not Respond To The Scan Tool
- Pinpoint Test K: The Air Conditioning Compressor Module (ACCM) Does Not Respond To The Scan Tool
- Pinpoint Test L: The DC To DC Converter Control Module (DC/DC) Does Not Respond To The Scan Tool
- Pinpoint Test M: The Audio Control Module (ACM) Does Not Respond To The Scan Tool
- Pinpoint Test N: The Front Controls Interface Module (FCIM) Does Not Respond To The Scan Tool
- Pinpoint Test O: The Front Display Interface Module (FDIM) Does Not Respond To The Scan Tool
- Pinpoint Test P: The Global Positioning System Module (GPSM) Does Not Respond To The Scan Tool
- Pinpoint Test Q: The Interior Lighting Control Module (ILCM) Does Not Respond To The Scan Tool
- Pinpoint Test R: The Side Obstacle Detection Control Module - Left (SOD-L) Does Not Respond To The Scan Tool
- Pinpoint Test S: The Side Obstacle Detection Control Module - Right (SOD-R) Does Not Respond To The Scan Tool
- Pinpoint Test T: The Parking Aid Module (PAM) Does Not Respond To The Scan Tool
- Pinpoint Test U: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
- Pinpoint Test V: The HVAC Module Does Not Respond To The Scan Tool
- Pinpoint Test W: The Audio Digital Signal Processing (DSP) Module Does Not Respond To The Scan Tool
- Pinpoint Test X: The Driver Door Module (DDM) Does Not Respond To The Scan Tool
- Pinpoint Test Y: The Dual Climate Controlled Seat Module (DCSM) Does Not Respond To The Scan Tool
- Pinpoint Test Z: The Driver Seat Module (DSM) Does Not Respond To The Scan Tool
- Programming and Relearning
Diagrams
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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.