Pinpoint Test AE: The Mil Is Never/Always On
- 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) . TEST the system for normal operation.
- 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?
- Yes: DIAGNOSE all PCM DTCs first. REFER to the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) or INTRODUCTION - FUSION HYBRID AND MKZ HYBRID and MULTIFUNCTION ELECTRONIC MODULES for a list of all DTCs.
- No: GO to AE3.
- 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 CHARTS .
- No: INSTALL a new PCM. Refer to ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS - 2.5L (HYBRID) , ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS- 2.5L (EXCEPT HYBRID) , ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS - 3.0L (4V) or ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS - 3.5L for the procedure. TEST the system for normal operation.