Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUSE
- Turn ignition switch OFF.
- Check 10 A fuse [No. 25, located in fuse block (J/B)].
Is the inspection result normal?
YES
GO TO 2.
NO
Replace the blown fuse after repairing the affected circuit if a fuse is blown.
- CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
- Disconnect Intelligent Key warning buzzer connector.
- Check voltage between Intelligent Key warning buzzer harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Intelligent Key warning buzzer
Connector
Terminal
E1
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- 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
M19
64
E1
3
Yes
- Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M19
64
No
Is the inspection result normal?
YES
GO TO 4.
NO
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 .