Nissan Maxima Service and Repair Manual: U0100 lost communication (ECM A)
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
2.PERFORM DTC CONFIRMATION PROCEDURE
- Start the engine and wait for at least 5 seconds.
- Check the first trip DTC.
For the diagnosis procedure, refer to LAN-15, "Trouble Diagnosis Flow Chart".