Pinpoint Test I: An Individual FDIM Display Is Inoperative (Vehicles Without Navigation)
- I1 OBSERVE THE FDIM DISPLAY
- Turn the audio system on and observe the FDIM screen.
- Is the FDIM display completely inoperative?
- Yes: Go To PINPOINT TEST G .
- No: GO to I2 .
- I2 CHECK THE FDIM DISPLAY SEGMENTS
- Enter the following diagnostic mode on the scan tool: Audio Display Test.
- Follow the scan tool instructions to carry out the Audio Display Test.
- Do all of the FDIM segments illuminate?
- Yes: GO to I3 .
- No: GO to I4.
- I3 OBSERVE THE SPECIFIC INOPERATIVE DISPLAY
- Observe the inoperative FDIM
display while carrying out the indicated diagnostic method as follows:INOPERATIVE DISPLAY CHART
Inoperative Display Diagnostic Method Expected Results Compass Drive the vehicle in an open area while observing the display. The compass display illuminates, indicating a directional heading or a calibration error. Audio system Turn the audio system on, press the AM/FM button, and adjust the volume. The FDIM display updates to show the change in audio setting. SYNC system Turn the audio system on, press the phone button, and observe the display. The FDIM display shows information relating to the phone. Climate control system Turn the climate control system on, adjust the fan to high speed, and set the temperature to various settings. The FDIM display updates to show the change in climate control setting. - Does the inoperative display confirm the expected results?
- Yes: The system is operating correctly at this time. INFORM the customer on the operation of the FDIM displays.
- No:
If the compass heading is inaccurate or indicates a calibration error, REFER to
ELECTRONIC COMPASS
to continue diagnosis of the compass.
For all other concerns, GO to I4 .
- Observe the inoperative FDIM
display while carrying out the indicated diagnostic method as follows:
- I4 CHECK FOR LOST COMMUNICATION DTCs
- Ignition ON.
- Clear continuous DTCs from all modules.
- Ignition OFF.
- Ignition ON.
- Wait at least 10 seconds.
- Carry out the FDIM self-test.
- Is DTC U0155, U0164, U0184, or U0197 present?
- Yes: GO to I5 .
- No: GO to I6.
- I5 CHECK FOR SCAN TOOL COMMUNICATION WITH THE TRANSMITTING MODULE
- Carry out the network test using the scan tool.
- Does the scan tool communicate with the IPC , the ACM , the APIM , and the HVAC module?
- Yes: GO to I6 .
- No: REFER to MODULE COMMUNICATIONS NETWORK .
- I6 CHECK FOR CORRECT FDIM OPERATION
- Ignition OFF.
- Disconnect the FDIM connector.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect the FDIM 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 . REFER to FRONT DISPLAY INTERFACE MODULE (FDIM) - WITHOUT NAVIGATION . 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.