Pinpoint Test P: The Mil Is Never/Always On
- P1 CARRY OUT THE IPC MIL ACTIVE COMMAND USING THE SCAN TOOL
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IPC DataLogger.
- Select the IPC MIL (MIL) active command. Command the MIL on and off. Observe the MIL.
- Does the MIL illuminate when selected on and turn off when selected off?
- Yes : GO to P2.
- No : INSTALL a new IPC. REFER to INSTRUMENT PANEL CLUSTER (IPC) . TEST the system for normal operation.
- P2 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST
- Check the recorded PCM DTCs from the Key ON Engine OFF (KOEO) self-test.
- Are any PCM DTCs recorded?
- Yes : REFER to the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) .
- No : GO to P3.
- P3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Check for recorded IPC DTCs from the self-test.
- Is DTC U0100:00 recorded?
- Yes : GO to PINPOINT TEST AM .
- No
: If the MIL is never on, the system is operating correctly at this time.
If the MIL is always on, INSTALL a new PCM. REFER to ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.