Body Control System (DTC/Circuit Diagnosis)
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.
- CHECK FUSE
Check that the following fuse is not blown.
Terminal No.
Signal name
Fuse No.
131
BCM battery fuse
1 (10A)
Is the fuse blown?
YES
Replace the blown fuse after repairing the affected circuit.
NO
GO TO 2 .
- CHECK BAT BCM FUSE CIRCUIT
- Disconnect BCM connector M81.
- Check voltage between BCM connector M81 terminal 131 and ground.
BCM
Ground
Voltage
(Approx.)
Connector
Terminal
M81
131
-
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness or connectors.
- CHECK BATTERY SAVER OUTPUT CIRCUIT FOR SHORT TO GROUND
- Turn ignition OFF.
- Check continuity between BCM connector M81 terminal 129 and ground.
BCM
Ground
Continuity
Connector
Terminal
M81
129
-
No
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.