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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1802 (Information Center - Instrumentation, Message Center And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AE: The Malfunction Indicator Lamp (MIL) Is Never/Always On >> Pinpoint Test AE: The Mil Is Never/Always On

Pinpoint Test AE: The Mil Is Never/Always On

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. AE1 CARRY OUT THE IPC WARNING LAMPS AND CHIME ACTIVE COMMAND USING THE SCAN TOOL 
    • Ignition ON.
    • Enter the following diagnostic mode on the scan tool: IPC  DataLogger.
    • Select the IPC  MIL (MIL_LAMP) active command. Command the MIL on and off while observing the MIL.
    • Does the MIL illuminate when selected on, and turn off when selected off? 
    • Yes  : GO to AE2.
    • No  : INSTALL a new IPC  . REFER to INSTRUMENT PANEL CLUSTER (IPC)  in this service information. TEST the system for normal operation.
  2. AE2 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST 
    • Check for recorded PCM DTCs from the Key ON Engine OFF (KOEO) self-test.
    • Are any DTCs recorded? 
  3. AE3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST 
    • Check for recorded DTCs from the IPC  self-test.
    • Are any DTCs recorded? 
    • Yes  : For DTC U0100:00, GO to PINPOINT TEST BF .

      For all other DTCs, REFER to DTC TABLES  in this service information.

    • No  : INSTALL a new PCM. Refer to the appropriate Electronic Engine Control article for the procedure. TEST the system for normal operation.
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