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.
- DETERMINE MALFUNCTION TYPE
With CONSULT
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 30 seconds.
- Turn ignition switch ON and wait at least 30 seconds or more.
- Select "Self Diagnostic Result" mode of "MULTI AV" using CONSULT.
- Check DTC.
Is DTC B1328 detected?
YES
GO TO 2.
YES
GO TO 3.
NO
Refer to Intermittent Incident .
- CHECK MICROPHONE CIRCUITS FOR OPEN
- Turn ignition switch OFF.
- Disconnect audio unit connector M82 and microphone connector.
- Check the continuity between audio unit connector M82 and microphone connector R22.
Audio unit
Microphone
Continuity
Connector
Terminal
Connector
Terminal
M82
34
R22
4
Yes
53
1
54
2
Is the inspection result normal?
YES
Replace microphone. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.
- CHECK MICROPHONE CIRCUITS FOR SHORT TO POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between audio unit connector M82 and ground.
Audio unit
Ground
Voltage
Connector
Terminal
M82
34
--
0 V
53
54
Is the inspection result normal?
YES
Replace microphone. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.