Nissan GT-R (R35) · Service Manual BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY

B2190 NATS ANTENNA AMP.

INTELLIGENT KEY SYSTEM

B2190

Description


Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.

DTC Logic

 
 DTC DETECTION LOGIC

DTC No.
 		Trouble diagnosis name
 		DTC detecting condition
 		Possible cause
B2190
 		NATS ANTENNA AMP
 		Inactive communication between key slot and BCM.
  • Harness or connectors
    (The key slot circuit is open or shorted)
  • Key slot
  • BCM

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE
 
 2.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1. INSPECTION START
 
 2.CHECK KEY SLOT INPUT SIGNAL
 
 3.CHECK KEY SLOT CIRCUIT
 
 4.CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
 
 5.CHECK KEY SLOT COMMUNICATION SIGNAL
 
 6.CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
 
 7.CHECK KEY SLOT GROUND CIRCUIT
 
 8.CHECK INTERMITTENT INCIDENT