Monitor Scan Tool Data
- Ignition "OFF"
- Connect Scan Tool and Ignition "ON"
- Monitor the ECM/PCM status using the VIN READING function.
- Is the ECM/PCM status Virgin?
YES
- Perform VIN writing procedure according to the direction on the scan tool screen and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Fault is intermittent caused by poor contact in Sensor's and/or ECM/PCM's connector or was repaired and ECM/PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NOTE: There is a memory reset function on scan tool that can erase optional parts automatically detected and memorized by ECM/PCM.
Before or after testing ECM/PCM on the vehicle, use this function to reuse the ECM/PCM