Pinpoint Test M : The FCDIM (Front Control/Display Interface Module) Illumination Is Inoperative Or Does Not Dim
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to Audio System/Navigation - SYNC
for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description .
Possible Sources
- APIM
- FCDIM
- M1 PERFORM A NETWORK TEST
- Ignition ON.
- Using a diagnostic scan tool, perform a network test.
Does the APIM pass the network test?
Yes GO to M2 No DIAGNOSE a concern with the network. REFER to: Communications Network . - M2 PERFORM A TEST OF THE AUDIO SYSTEM FROM THE FCDIM (FRONT CONTROL/DISPLAY INTERFACE MODULE)
- VERIFY that the audio system can be operated from the FCDIM.
Does the audio system responds normally to FCDIM inputs?
Yes GO to M3 No Refer to the appropriate Information and Entertainment System article - M3 CHECK FOR CORRECT FCDIM (FRONT CONTROL/DISPLAY INTERFACE MODULE) OPERATION
- Disconnect and inspect all FCDIM and related in-line connectors.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the FCDIM and related in-line connectors and all previously disconnected illumination system connectors. Make sure all connectors seat and latch correctly.
- Operate the system to determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new FCDIM. Refer to the appropriate Information and Entertainment System article No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.