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

B2556 PUSH-BUTTON IGNITION SWITCH

INTELLIGENT KEY SYSTEM

B2556

Description


The switch that changes the power supply position. BCM maintains the power supply position status. BCM changes the power supply position with the operation of the push-button ignition switch.

DTC Logic

 
 DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2556
PUSH-BTN IGN SW
BCM detects the push-button ignition switch stuck at ON for 100 seconds or more
  • Harness or connectors
    (Push-button ignition switch circuit is shorted.)
  • Push-button ignition switch
  • BCM

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1.CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
 
 2.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
 
 3.CHECK PUSH-BUTTON IGNITION SWITCH
 
 4.CHECK INTERMITTENT INCIDENT

Component Inspection


 
 1.CHECK PUSH-BUTTON IGNITION SWITCH