Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK AUDIO UNIT
Visually check around audio unit for a cause of high temperature.

Is the inspection result normal?

YES

GO TO 2.

NO

Remove cause of high temperature.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Turn ignition switch ON.
2. Turn ignition switch OFF and wait at least 30 seconds.
3. Turn ignition switch ON and wait at least 30 seconds or more.
4. Select "Self Diagnostic Result" mode of "MULTI AV" using CONSULT.
5. Check DTC.
Is DTC B1351 detected?

YES

Replace audio unit. Refer to Removal and Installation .

NO

Inspection End.