Pinpoint Tests AF: The Front Control/Display Interface Module (FCDIM) Does Not Display Warning Messages Or Message Center Warni

Instrumentation, Message Center and Warning Chimes

Pinpoint Test AF: The Front Control/Display Interface Module (FCDIM) Does Not Display Warning Messages Or Message Center Warning Indicators

Refer to Wiring Diagram Set 60, Instrument Cluster for schematic and connector information. Diagrams By Number

Normal Operation

The message center display is located in the Front Control/Display Interface Module (FCDIM) and receives the message center data from the Instrument Panel Cluster (IPC) over the High Speed Controller Area Network (HS-CAN) and Medium Speed Controller Area Network (MS-CAN) communication bus.

This pinpoint test is intended to diagnose the following:

- Communication concern
- FCDIM

PINPOINT TEST AF: THE FCDIM DOES NOT DISPLAY WARNING MESSAGES OR MESSAGE CENTER WARNING INDICATORS

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AF1 CARRY THE FCDIM DISPLAY OPERATION

- Ignition ON.
- Enter the following diagnostic mode on the scan tool: FCDIM DataLogger.
- Select the FCDIM LCD display (LCD_SEG) and message center warnings (WARN_AMBER) and (WARN_RED) active command. Command the LCD display segments, amber and red warning displays on.
- Monitor the FCDIM display.
- Do the LCD segments and amber and red warning displays turn on when commanded on?

Yes
GO to AF2.

No
INSTALL a new FCDIM. REFER to Information and Entertainment Systems Front Controls/Display Interface Module (FCDIM). TEST the system for normal operation.

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AF2 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST

- Check for recorded DTCs from the IPC self-test.
- Are any DTCs recorded?

Yes
REFER to DTC Charts.

No
GO to AF3.

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AF3 RETRIEVE THE RECORDED DTCs FROM THE FCDIM SELF-TEST

- Check for recorded DTCs from the FCDIM self-test.
- Is DTC U0155:00 recorded?

Yes
REFER to Information and Entertainment Systems Testing and Inspection.

No
INSTALL a new FCDIM. REFER to Information and Entertainment Systems Front Controls/Display Interface Module (FCDIM). TEST the system for normal operation.

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