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

B2014 CHAIN OF STRG-IMMU

INTELLIGENT KEY SYSTEM

B2014

Description


BCM performs the ID verification with the steering lock unit to release the steering. BCM starts the communication with the steering lock unit when Intelligent Key is carried into the passenger compartment and the push-button ignition switch is pressed.

DTC Logic

 
 DTC DETECTION LOGIC

DTC No.
 		Trouble diagnosis name
 		DTC detecting condition
 		Possible cause
B2014
 		CHAIN OF S/L-BCM
 		Inactive communication between steering lock unit and BCM
  • Harness or connectors
    (Steering lock unit circuit is open or shorted)
  • Steering lock unit
  • BCM

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1.CHECK STEERING LOCK UNIT POWER SUPPLY
 
 2.CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT
 
 3.CHECK STEERING LOCK UNIT GROUND CIRCUIT
 
 4.CHECK STEERING LOCK UNIT COMMUNICATION SIGNAL
 
 5.CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT
 
 6.CHECK INTERMITTENT INCIDENT