Work Flow
WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If "NG" is displayed on "CAN COMM" for the diagnosed control unit, replace the control unit.
NOTE:
For CAN communication circuit, see CAN COMMUNICATION CIRCUIT TEST
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Print all the data of "SELF-DIAG RESULTS" and "DATA MONITOR" for "ENGINE" and "A/T" displayed on CONSULT-II for DTC U1000 & U1001: CAN COMMUNICATION LINE (ENGINE) and DTC U1000: CAN COMMUNICATION LINE (A/T). See DTC U1000 & U1001: CAN COMMUNICATION LINE (ENGINE) and DTC U1000: CAN COMMUNICATION LINE (A/T) .
Based on the data monitor results, put "V" marks onto the items with "UNKWN" or "NG" in the check sheet. See Fig 1 and Fig 2 .