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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 620 (Information And Entertainment Systems - THX Audio System) >> Diagnosis And Testing >> Information and Entertainment System >> Pinpoint Tests >> Pinpoint Test AK : DTC U0159:00 >> Pinpoint Test AK : DTC U0159:00

Pinpoint Test AK : DTC U0159:00

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. AK1 VERIFY THE CUSTOMER'S CONCERN

    • Ignition ON.
    • Verify if there is an observable symptom present.

    Is an observable symptom present? 

    Yes  GO to  AK2.
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  2. AK2 CHECK THE COMMUNICATION NETWORK

    • Using a diagnostic scan tool, perform a network test.

    Does the PAM pass the network test? 

    Yes  GO to  AK3.
    No  REFER to Module Communications Network .

  3. AK3 RETRIEVE THE PAM DTCs

    • Using a diagnostic scan tool, perform the PAM self-test.

    Are any non-network DTCs recorded in the PAM ? 

    Yes  GO to  AK4.
    No  REFER to Parking Aid .

  4. AK4 RECHECK FOR DTC U0159:00

    • Using a diagnostic scan tool, clear all CMDTCs.
    • Ignition OFF.
    • Ignition ON.
    • Wait at least 10 seconds.
    • Using a diagnostic scan tool, retrieve the APIM CMDTCs.

    Is DTC U0159:00 still set in the APIM ? 

    Yes  GO to  AK5.
    No  The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  5. AK5 RETRIEVE THE RECORDED DTCs FROM THE APIM SELF-TEST

    • Using a diagnostic scan tool, perform the APIM self-test.

    Are any non-network DTCs recorded? 

    Yes  REFER to the Accessory Protocol Interface Module (APIM) DTC Chart .
    No  GO to  AK6.

  6. AK6 CHECK FOR DTC U0159 SET IN MULTIPLE MODULES

    • Review the CMDTCs from all modules.

    Is DTC U0159:00 or U0159:87 set in more than one module? 

    Yes  GO to  AK7.
    No  If there is an observable symptom, REFER to the Symptom Charts  to diagnose the observed symptom. If there is no observable symptom, the system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  7. AK7 CHECK FOR CORRECT PAM OPERATION

    • Ignition OFF.
    • Disconnect and inspect all the PAM connectors.
    • 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 PAM connectors. Make sure they seat and latch 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 PAM. REFER to Parking Aid .
    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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