DESCRIPTION
INSPECTION PROCEDURE
CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM)
CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM)
DTC B2055 Radar Sensor Malfunction
DESCRIPTION
This DTC is output when one of the following occurs: 1) an error in communication with the millimeter wave radar sensor assembly is detected, or 2) vehicle information sent from the radar sensor assembly is abnormal. If output, perform initialization on the radar sensor assembly to register the vehicle information to the radar sensor assembly.
| DTC No. | DTC Detection Condition | Trouble Area |
| B2055 | Radar sensor assembly malfunction is detected or initialization settings are faulty | Millimeter wave radar sensor
Seat belt control ECU
|
INSPECTION PROCEDURE
- 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) |
Recheck for DTC.
- OK:
- DTC P1570 is not output.
| | GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM |
|
|
| 2.CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM) |
Recheck for DTC.
- OK:
- DTC B2055 is not output.
| | REPLACE SEAT BELT CONTROL ECU |
|
|
| OK | |
| |
| USE SIMULATION METHOD TO CHECK |
|
LEXUS IS250, IS220d / GSE20 ALE20