Diagnostic Test

Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.

(+)		(-)	Condition		Voltage
NATS antenna amp.
Connector	Terminal
M51	1	Ground	Intelligent Key: Intelligent Key battery is removed	Brake pedal: Depressed	Courtesy of NISSAN NORTH AMERICA, INC.
	3				Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace NATS antenna amp. Refer to REMOVAL AND INSTALLATION .

NO 

GO TO STEP 2  .

1. Disconnect NATS antenna amp. connector and BCM connector.
2. Check continuity between NATS antenna amp. harness connector and BCM connector.

   NATS antenna amp.		BCM		Continuity
   Connector	Terminal	Connector	Terminal
   M51	1	M16	127	Existed
   	3		126

3. Check continuity between NATS antenna amp. harness connector and ground.

   NATS antenna amp.		Ground	Continuity
   Connector	Terminal
   M51	1		Not existed
   	3

Is the inspection result normal?

YES 

Replace BCM. Refer to REMOVAL AND INSTALLATION .

NO 

Repair or replace harness.