B2055

PRE-COLLISION: PRE-COLLISION SYSTEM: B2055: Radar Sensor Malfunction

DTC B2055 - Radar Sensor Malfunction

DESCRIPTION

This DTC is stored when there is a malfunction in the communication from the millimeter wave radar sensor. This DTC is also stored when the vehicle information sent from the millimeter wave radar sensor is abnormal.
In these cases, perform initialization so that the millimeter wave radar sensor recognizes the vehicle information.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)
(a) Using the Techstream, enter the following menus: Powertrain / Radar Cruise / Trouble Code.
(b) Clear the DTC Pre-Collision System.
(c) Perform the following to make sure the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.

(1) Drive the vehicle at a speed of 40 km/h (25 mph) or more.
(2) Turn the cruise control main switch on to set the vehicle-to-vehicle distance control mode to the standby state.
(d) Check for DTCs Pre-Collision System.
OK:
DTC P1570 is not output.
NG -- GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM
OK -- Continue to next step.
2. CHECK DTC (PRE-COLLISION SYSTEM)
(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Code.
(b) Clear the DTCs Pre-Collision System.
(c) Check for DTCs Pre-Collision System.
OK:
DTC B2055 is not output.
NG -- REPLACE SEAT BELT CONTROL ECU
OK -- USE SIMULATION METHOD TO CHECK