Inspection and Verification
WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.VISUAL INSPECTION CHART
Mechanical Electrical - Door/liftgate handles
- Binding latch mechanisms
- Body Control Module (BCM) fuse(s):
- 23 (15A)
- 27 (20A)
- Wiring, terminals or connectors
- Door lock control switches
- Intelligent Access (IA) key
- Keyless entry keypad
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
-
NOTE: Make sure to use the latest scan tool software release.
If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
-
NOTE: The Vehicle Communication Module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM .
If the scan tool does not communicate with the VCM :
- check the VCM connection to the vehicle.
- check the scan tool connection to the VCM .
- refer to MODULE COMMUNICATIONS NETWORK , No Power To The Scan Tool, to diagnose no power to the scan tool.
- If the scan tool does not communicate with the vehicle:
- verify the ignition is ON.
- The air bag warning indicator prove-out (other indicators may NOT prove ignition is ON) confirms ignition ON. If ignition does not turn ON, refer to STEERING COLUMN SWITCHES to diagnose no power in RUN.
- verify the scan tool operation with a known good vehicle.
- refer to MODULE COMMUNICATIONS NETWORK , Inspection and Verification to establish a scan tool session.
- verify the ignition is ON.
- Carry out the network test.
- If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK .
- If the network test passes, retrieve and record the continuous memory DTCs.
-
NOTE: The ignition must be OFF to carry out the RFA module self-test.
Carry out the self-test diagnostics for the RFA module and Driver Door Module (DDM).
- If the DTCs retrieved are related to the concern, go to DTC CHARTS . For all other DTCs, refer to the DIAGNOSTIC TROUBLE CODE (DTC) CHART .
- If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART - ELECTRICAL or GO to SYMPTOM CHART - MECHANICAL .