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 Wiring Diagram .
- CHECK FUSE
Check that the following fuses are not blown.
Terminal No.
Signal name
Fuse No.
7
ACC power supply
25 (5A)
19
Battery power supply
15 (20A)
37
Ignition power supply
29 (5A)
Are the fuses blown?
YES
Replace the blown fuse after repairing the affected circuit.
NO
GO TO 2 .
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect AV control unit connectors M97 and M98.
- Check voltage between AV control unit connectors M97 and M98 and ground.
AV control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M97
19
-
Ignition switch: OFF
Battery voltage
7
Ignition switch: ON
M98
37
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness or connectors.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between AV control unit connector M97 and ground.
AV control unit
Ground
Continuity
Connector
Terminal
M97
20
-
Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace harness or connectors.