Pinpoint Test As : The Engine Oil Change Message Always Displayed
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
- AS1 CHECK THE MESSAGE CENTER SWITCH OPERATION
- Ignition OFF.
- Close all doors, the hood and the liftgate.
- Ignition ON.
- Once the IPC has completed it's prove-out and is in normal operation mode, open the driver door.
- Press the OK button to clear the door ajar warning message.
Does the door ajar warning message clear?
Yes GO to AS2 No DIAGNOSE the message center switch. GO to Pinpoint Test S - AS2 RESET THE ENGINE OIL LIFE
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NOTE: For message center menu navigation to reset the oil life, refer to the Owner Literature.
Using the message center, reset the oil life.
Does the engine oil change message clear?
Yes The system is operating correctly. EXPLAIN to the customer how to reset the engine oil life. No GO to AS3 -
- AS3 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to DTC Chart: Instrument Panel Cluster (IPC) . No GO to AS4 - AS4 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the PCM KOEO self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Electronic Engine Controls . No GO to AS5 - AS5 CHECK FOR RECENT SERVICE HISTORY
- CHECK the vehicle service history for recent service actions related to PCM or IPC software updates.
Was the software updated in either the PCM or IPC?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, UPDATE the software in the module in question.ATTEMPT to reset the oil life again. If the engine oil change message cannot be cleared, INSTALL a new module in question.For the PCM, Refer to PCM GUIDED ROUTINE TESTING -- NAVIGATOR . For the IPC, Refer to IPC GUIDED ROUTINE TESTING -- NAVIGATOR . No Refer to PCM GUIDED ROUTINE TESTING -- NAVIGATOR . If the oil life still cannot be reset, Refer to IPC GUIDED ROUTINE TESTING -- NAVIGATOR .