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

B2555 STOP LAMP

INTELLIGENT KEY SYSTEM

B2555

Description


BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status.

DTC Logic

 
 DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2555
STOP LAMP
BCM makes a comparison between the upper voltage and lower voltage of stop lamp switch. It judges from their values to detect the malfunctioning circuit.
  • Harness or connectors
    (Stop lamp switch circuit is open or shorted)
  • Stop lamp switch
  • Fuse

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1.CHECK STOP LAMP SWITCH INPUT SIGNAL
 
 2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
 
 3.CHECK STOP LAMP SWITCH CIRCUIT
 
 4.CHECK STOP LAMP SWITCH
 
 5.CHECK INTERMITTENT INCIDENT

Component Inspection


 
 1.CHECK STOP LAMP SWITCH