Pre-Collision System

PRE-COLLISION: PRE-COLLISION SYSTEM: C1A01: Driving Support ECU
C1A01 - Driving Support ECU

DESCRIPTION

The driving support ECU uses the millimeter wave radar sensor assembly and lane recognition camera sensor assembly to detect obstacles in front of the vehicle.

Based on this information, the driving support ECU calculates the risk of a collision and operates the pre-collision system when it determines that the risk is high.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)

(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.

(b) Clear the DTCs Pre-Collision System.

(c) Recheck for DTCs.

OK:

DTC C1A01 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

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