Dtc B2056 Axial Gap Of Radar Sensor

Restraints. Lexus Gs430, Gs300. Uzs190 Grs190
Pre-Crash Safety. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

CHECK DTC (PRE-CRASH SAFETY SYSTEM)

DTC B2056 Axial Gap of Radar Sensor


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
B2056
Radar sensor assembly malfunction is detected or initialization settings are faulty
  1. Millimeter wave radar sensor assembly (axial adjustment)
  2. Seat belt control ECU

INSPECTION PROCEDURE

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

  1. Delete the DTC (Click here).

  1. Recheck for DTC.

    OK:
    DTC P1570 is not output.


NG
GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM
OK


2.CHECK DTC (PRE-CRASH SAFETY SYSTEM)

  1. Delete the DTC (Click here).

  1. Recheck for DTC.

    OK:
    DTC B2056 is not output.


NG
REPLACE SEAT BELT CONTROL ECU
OK

END