nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

All Technical Service Bulletins for PROM - Programmable Read Only Memory:|10-078 > < Engine Controls - MIL ON/DTC P1421 Stored In Memory|Page 2477
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4. Make sure to erase DTCs from all systems.

NOTE:

During reprogramming, DTCs will set in several systems and must be erased.

5. Test drive the vehicle and make sure it operates correctly and the MIL is OFF.

^

If the MIL comes ON, go back to ASIST for further diagnostic information. Diagnosis and repairs beyond ECM reprogramming are not covered
by this bulletin.

Disclaimer

All Technical Service Bulletins for PROM - Programmable Read Only Memory:|10-078 > < Engine Controls - MIL ON/DTC P1421 Stored In Memory|Page 2477