Pinpoint Test I: The Front Display Interface Module (FDIM) Is Completely Inoperative
Information and Entertainment System
Pinpoint Test I: The Front Display Interface Module (FDIM) Is Completely Inoperative
Normal Operation
The Front Display Interface Module (FDIM) receives voltage from the Smart Junction Box (SJB). The ignition switch position message is broadcast to the FDIM (Front Display Interface Module) by the SJB (Smart Junction Box) via the Medium Speed Controller Area Network (MS-CAN).
Information from the audio system (vehicles without navigation), the climate control system, the SYNC system (if equipped), and the compass heading (if equipped) are shown on the FDIM (Front Display Interface Module) display screen. If only one of these displays has a concern, GO to Pinpoint Test K Pinpoint Test K: An Individual FDIM Display Is Inop/Doesn't Operate Correctly - Without Navigation.
This pinpoint test is intended to diagnose the following:
- Communication network concern
- FDIM (Front Display Interface Module)
PINPOINT TEST I : THE FDIM (Front Display Interface Module) IS COMPLETELY INOPERATIVE
I1 CHECK FOR SCAN TOOL COMMUNICATION WITH THE FDIM (Front Display Interface Module)
- Carry out the network test using the scan tool.
Does the FDIM (Front Display Interface Module) respond to the scan tool?
Yes
GO to I2.
No
REFER to Information Bus.
I2 CHECK FOR CORRECT FDIM (Front Display Interface Module) OPERATION
- Ignition OFF.
- Disconnect the FDIM (Front Display Interface Module) connector.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect the FDIM (Front Display Interface Module) connector and make sure it seats correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes
INSTALL a new FDIM (Front Display Interface Module). REFER to Front Display Interface Module (FDIM) . TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.