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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 593 (Information Center - Instrumentation, Message Center, And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test BR : U0159:00 >> Pinpoint Test BR : U0159:00

Pinpoint Test BR : 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. BR1 VERIFY THE CUSTOMER CONCERN

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

    Is an observable symptom present? 

    Yes  GO to  BR2.
    No  CLEAR the DTC. The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

  2. BR2 CHECK THE COMMUNICATION NETWORK

    • Using a diagnostic scan tool, perform a network test.
    • Carry out the network test.

    Does the PAM pass the network test? 

    Yes  GO to  BR3.
    No  REFER to Module Communications Network .

  3. BR3 PERFORM THE IPC SELF-TEST

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

    Are any voltage related DTCs recorded? 

    Yes  REFER to DTC Chart: IPC .
    No  GO to  BR4.

  4. BR4 RECHECK THE IPC DTCs

    • Clear the DTCs.
    • Wait 10 seconds.
    • Repeat the IPC self-test.

    Is DTC U0159:00 still present? 

    Yes  GO to  BR5.
    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. BR5 CHECK FOR CORRECT PAM OPERATION

    • Ignition OFF.
    • Disconnect and inspect all PAM connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/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 .CLEAR the DTCs. REPEAT the IPC self-test. If DTC U0159:00 is still present, GO to  BR6.
    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.

  6. BR6 CHECK FOR CORRECT IPC OPERATION

    • Ignition OFF.
    • Disconnect and inspect the IPC connector.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the IPC 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,
    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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