Section 1621 (Module Communications Network)
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnosis And Testing
- Communications Network
- Special Tool(s)
- Principles of Operation
- Notes
- High Speed Controller Area Network (HS-CAN) Modules
- Medium Speed Controller Area Network (MS-CAN) Modules
- Controller Area Network (CAN) Fault Tolerance
- Normal CAN Operation
- CAN Circuits Shorted Together
- CAN (+) Circuit Shorted To Ground
- CAN (-) Circuit Shorted To Ground
- CAN (+) Circuit Shorted To Battery Voltage
- CAN (-) Circuit Shorted To Battery Voltage
- CAN Circuit Signal Corruption
- Controller Area Network (CAN) Multiplex Messages
- Inspection and Verification
- DTC Tables
- Symptom Table
- Pinpoint Tests
- Pinpoint Test A: The PCM Does Not Respond 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
- Pinpoint Test AA: The Accessory Protocol Interface Module (APIM) Does Not Respond To The Scan Tool
- Pinpoint Test AB: Intermittent No Medium Speed Controller Area Network (MS-CAN) Communication, One Or More Modules Are Not Responding During Network Test
- Pinpoint Test AC: No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not Responding
- Pinpoint Test AD: Intermittent No High Speed Controller Area Network (HS-CAN) Communication, One Or More 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
- Communications Network