1. Turn ignition switch OFF.
2. Check 10 A fuse, [No.6, located in fuse block (J/B)].

YES>>Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO>>GO TO 2.

1. Disconnect Intelligent Key warning buzzer connector.
2. Check voltage between Intelligent Key warning buzzer harness connector and ground.
   

   (+)		(–)	Voltage (V) (Approx.)
   Intelligent Key warning buzzer
   Connector	Terminal
   E62	1	Ground	Battery voltage

   
   

YES>>GO TO 3.

NO>>Repair or replace Intelligent Key warning buzzer power supply circuit.

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

   BCM		Intelligent Key warning buzzer		Continuity
   Connector	Terminal	Connector	Terminal
   M121	64	E62	3	Existed

   
   
3. Check continuity between BCM harness connector and ground.
   

   BCM		Ground	Continuity
   Connector	Terminal
   M121	64		Not existed

   
   

YES>>GO TO 4.

NO>>Repair or replace harness.

Check Component Inspection.

YES>>Replace BCM. Refer to Removal and Installation.

NO>>Replace Intelligent Key warning buzzer. Refer to Removal and Installation.