Dtc B2056 Axial Gap Of Radar Sensor

Lexus IS250 IS220d GSE20 ALE20 - PRE-CRASH SAFETY

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM)

DTC B2056 Axial Gap of Radar Sensor

DESCRIPTION

DTC No.DTC Detection ConditionTrouble Area
B2056Radar sensor assembly malfunction is detected or initialization settings are faulty
Millimeter wave radar sensor assembly (axial adjustment)
Seat belt control ECU

INSPECTION PROCEDURE

  • NOTICE:
  • When the seat belt control ECU is replaced with a new one, INITIALIZATION must be performed .
1.CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

Delete the DTC .

Recheck for DTC.

  • OK:
  • DTC P1572 is not output.
NG
GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM
OK
2.CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM)

Delete the DTC .

Recheck for DTC.

  • OK:
  • DTC B2056 is not output.
NG
REPLACE SEAT BELT CONTROL ECU
OK
USE SIMULATION METHOD TO CHECK