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 INTELLIGENT KEY WARNING BUZZER CIRCUIT

Disconnect BCM connector.

Check continuity between BCM harness connector and Intelligent Key warning buzzer harness connector.

BCM		Intelligent Key warning buzzer		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M20	64	E28	3	Yes

Check continuity between BCM harness connector and ground.

BCM		Ground	Continuity
Connector	Terminal
M20	64		No

Is the inspection result normal?

YES

GO TO 2 .

Repair or replace harness.

CHECK INTELLIGENT KEY WARNING BUZZER
Refer to Component Inspection .

Is the inspection result normal?

YES

Replace BCM. Refer to Removal and Installation .

NO

Replace Intelligent Key warning buzzer. Refer to Removal and Installation .