C1A01 - Pre-Collision System
DTC C1A01 Driving Support ECUDESCRIPTION
DTC Detection Condition:
The driving support ECU uses the front millimeter wave radar sensor 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 precollision system when it determines that the risk is high.
When DTC C1A01/11 is detected, the driving support ECU only detects the "PRE-COLLISION 2*1 or Pre-Collision 2*2" DTC malfunctions.
HINT:
*1: for Intelligent tester
*2: for Techstream
Step 1:
INSPECTION PROCEDURE