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Home >> Audi >> 2014 >> A4 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (Information And Entertainment Systems - 4.2-Inch (107MM) Screen, Am/Fm/Cd/Sync) >> Diagnosis And Testing >> Information and Entertainment System >> Pinpoint Tests >> Pinpoint Test Y : The Compass Is Inoperative >> Pinpoint Test Y : The Compass Is Inoperative

Pinpoint Test Y : The Compass Is Inoperative

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  1. Y1 VERIFY THAT THE FCDIM AND GPSM PASS THE NETWORK TEST

    • Ignition ON.
    • Using a diagnostic scan tool, perform the network test.

    Did the FCDIM and GPSM pass the network test? 

    Yes  GO to  Y2.
    No  REFER to Module Communications Network .

  2. Y2 RETRIEVE THE FCDIM AND GPSM DTCs

    • Using a diagnostic scan tool, perform the self-test for the following modules:
      • FCDIM
      • GPSM

    Are any DTCs present in the FCDIM or GPSM ? 

    Yes  REFER to the DTC Charts .
    No  GO to  Y3.

  3. Y3 CHECK FOR CORRECT GPSM OPERATION

    • Ignition OFF.
    • Disconnect and inspect the GPSM connector.
    • Repair:
      • Corrosion (clean module pins or install new connectors or terminals)
      • Damaged or bent pins (install new terminals or pins)
      • Pushed-out pins (install new pins as necessary)
    • Reconnect the GPSM connector. Make sure it seats and latches correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new GPSM. REFER to Global Positioning System Module (GPSM) .
    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.
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