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

B2609 STEERING STATUS

INTELLIGENT KEY SYSTEM

B2609

Description


There are 2 switches in the steering lock unit (steering lock/unlock switch 1 and 2). BCM compares those 2 switches conditions to judge the present steering status.

DTC Logic

 
 DTC DETECTION LOGIC

NOTE：
  • If DTC B2609 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Logic.
  • If DTC B2609 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Logic.

DTC No.
 		Trouble diagnosis name
 		DTC detecting condition
 		Possible cause
B2609
 		S/L STATUS
 		BCM detects the malfunction of steering lock unit switches for 1 second.
  • Harness or connectors
    [Steering lock unit circuit (BCM side) is open or shorted]
  • Harness or connectors
    [Steering lock unit circuit (IPDM E/R side) is open or shorted]
  • Steering lock unit
  • IPDM E/R
  • BCM

 
 DTC CONFIRMATION PROCEDURE

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

Diagnosis Procedure


 
 1. INSPECTION START
 
 2.CHECK BCM OUTPUT SIGNAL
 
 3.CHECK STEERING LOCK UNIT CIRCUIT-1
 
 4.CHECK IPDM E/R OUTPUT SIGNAL
 
 5.CHECK STEERING LOCK UNIT CIRCUIT-2
 
 6.CHECK BCM OUTPUT SIGNAL
 
 7.CHECK STEERING LOCK UNIT CIRCUIT-3
 
 8.CHECK IPDM E/R OUTPUT SIGNAL
 
 9.CHECK STEERING LOCK UNIT CIRCUIT-4