Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to the appropriate Wiring Diagram .
- CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
- Proper connection
- Damage
- Disconnected or loose terminals
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair the terminals or connectors.
- CHECK FRONT TWEETER SIGNAL CIRCUIT CONTINUITY
- Disconnect AV control unit connector M97 and suspect front tweeter connector.
- Check continuity between AV control unit connector M97 and suspect front tweeter connector.
AV control unit
Front tweeter
Continuity
Connector
Terminal
Connector
Terminal
M97
2
M109 (LH)
1
Yes
3
2
11
M111 (RH)
1
12
2
- Check continuity between AV control unit connector M97 and ground.
AV control unit
Ground
Continuity
Connector
Terminal
M97
2
-
No
3
11
12
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness or connectors.
- CHECK FRONT TWEETER SIGNAL
- Connect AV control unit connector M97 and suspect front tweeter connector.
- Turn ignition switch to ACC.
- Push AV control unit POWER switch.
- Check signal between AV control unit connector M97 and ground.
AV control unit connector M97
Condition
Reference value
(+)
(-)
Terminal
Terminal
2
3
Audio signal output
11
12
Is the inspection result normal?
YES
Replace front tweeter. Refer to Removal and Installation .
NO
Replace AV control unit. Refer to Removal and Installation .