Pre-Collision System

PRE-COLLISION: PRE-COLLISION SYSTEM: U0235, U1102: Lost Communication with Cruise Control Front Distance Range Sensor
U1102 - Lost Communication with Radar Sensor

DESCRIPTION

The millimeter wave radar sensor and distance control ECU transmit the data for general vehicle control and diagnosis function along the communication line.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

(a) Drive the vehicle at a speed of 45 km/h (27 mph) or more.

(b) Turn the cruise control main switch on.

(c) Check DTC for dynamic radar cruise control system Dynamic Radar Cruise Control System.

Result:





B -- GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM Dynamic Radar Cruise Control System
A -- Continue to next step.

2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)

(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.

(b) Clear the DTCs Pre-Collision System.

(c) Drive the vehicle.

(d) Recheck DTCs.

OK:

U0235 and/or U1102 is not output.

NG -- REPLACE SEAT BELT CONTROL ECU Removal

OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOMS SIMULATION) How To Proceed With Troubleshooting