Monitor DTC Status

Monitor DTC Status

1. Ignition "OFF"
2. Connect Scantool and Ignition "ON"
3. Monitor the ECM status by VIN reading whether it is virgin or learnt




4. Is the ECM status Virgin ?
YES
1) Perform VIN writing procedure according to the direction on the scantool screen and go to "Verification of Vehicle Repair" procedure.
NO
1) Fault is intermittent caused by poor contact in Sensor's and/or PCM's connector or was repaired and 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

CAUTION:
There is a memory reset function on scantool that can erase optional components automatically detected and memorized by PCM.Before or after testing PCM on the vehicle, use this function to reuse the PCM.