Pinpoint Test A : The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
The Powertrain Control Module (PCM) Does Not Respond To The Diagnostic Scan Tool
Refer to Wiring Diagrams MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Refer to Wiring Diagrams ELECTRONIC ENGINE CONTROLS - 2.0L GTDI for schematic and connector information.
Refer to Wiring Diagrams ELECTRONIC ENGINE CONTROLS - 2.3L GTDI for schematic and connector information.
Normal Operation and Fault Conditions
The PCM communicates with the diagnostic scan tool through the HS-CAN1. An IDS session cannot be established if the PCM communication fails when attempting to identify the vehicle.
Possible Sources
- Fuse
- Wiring, terminals and connectors
- PCM