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

B2602 SHIFT POSITION

INTELLIGENT KEY SYSTEM

B2602

Description


BCM confirms the shift position with the following 4 signals.
  • Shift lever
  • P/N position switch (TCM)
  • P position signal from IPDM E/R (CAN)
  • P position signal from TCM (CAN)

DTC Logic

 
 DTC DETECTION LOGIC

NOTE：
  • If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Logic.
  • If DTC B2602 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
B2602
 		SHIFT POSITION
 		BCM detects the following status for 10 seconds.
  • Shift position is in the P position
  • Vehicle speed is 4 km/h (2.5 MPH) or more
  • Ignition switch is in the ON position
  • Harness or connectors
    (Control device circuit is open or shorted)
  • Control device (detention switch)
  • ABS actuator and electric unit (control unit)
  • BCM

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1.CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT”
 
 2.CHECK CONTROL DEVICE POWER SUPPLY
 
 3.CHECK CONTROL DEVICE POWER SUPPLY CIRCUIT
 
 4.CHECK CONTROL DEVICE CIRCUIT
 
 5.CHECK CONTROL DEVICE (DETENTION SWITCH)
 
 6.CHECK INTERMITTENT INCIDENT