Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK USB HARNESS CONNECTION
1. Turn ignition switch OFF.
2. Visually check the USB harness connection between AV control unit and TCU.
Is the inspection result normal?

YES

GO TO 2 .

NO

Repair or replace USB harness.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1. Turn ignition switch ON.
2. Erase DTC using CONSULT.
3. Select "Self Diagnostic Result" mode of "TELEMATICS" using CONSULT.
4. Check DTC.
Is DTC B13D9 detected?

YES

Replace TCU. Refer to Removal and Installation .

NO

Inspection End.