Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuse or fusible link is blown.
Signal name
Fuse and fusible link No.
Fusible link battery power
I (40A)
BCM battery fuse
1 (10A)
Is the fuse or fusible link blown?
YES
Replace the blown fuse or fusible link after repairing the affected circuit.
NO
GO TO 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector M17.
- Check voltage between BCM harness connector M17 and ground.
Terminals
Voltage
(Approx.)
(+)
(-)
BCM
Ground
Connector
Terminal
M17
135
Battery voltage
142
Is the measurement normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT
Check continuity between BCM harness connector M17 and ground.
BCM
Ground
Continuity
Connector
Terminal
M17
138
Yes
132
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace harness.