Nissan Maxima Service and Repair Manual: U1000 CAN comm circuit
DTC DETECTION LOGIC
NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result procedure.
1. PERFORM SELF DIAGNOSTIC
- Turn ignition switch ON and wait for 2 seconds or more.
- Check "SELF- DIAG RESULTS".