C1A20

PRE-COLLISION: PRE-COLLISION SYSTEM: C1A20: Object Recognition ECU

DTC C1A20 - Object Recognition ECU

DESCRIPTION

The driving support ECU uses the front millimeter wave radar sensor, driver monitor camera and object recognition camera to detect obstacles in front of and behind the vehicle, and detect the direction that the driver's head is facing. Based on this information, the driving support ECU sends pre-collision control operation signals.
When the driving support ECU receives information that there is a malfunction in the object recognition ECU, DTC C1A20 is output.






INSPECTION PROCEDURE

PROCEDURE

1. REPLACE OBJECT RECOGNITION ECU
(a) Replace the object recognition ECU Removal.
NEXT -- Continue to next step.
2. ADJUST OBJECT RECOGNITION CAMERA
(a) Adjust the object recognition camera Adjustments.
NEXT -- Continue to next step.
3. CHECK FOR DTC
(a) Using the intelligent tester or Techstream, enter the following menus:
(1) Intelligent tester - Select: DIAGNOSIS / OBD/MOBD / PRE-COLLISION 2 / DTC INFO.
(2) Techstream - Select: Body Electrical / Pre-Collision 2 / Trouble Code.
(b) Select "CLEAR" and clear the data.
(c) Recheck for DTC.
OK:
DTC C1A20 is not output.
NG -- REPLACE DRIVING SUPPORT ECU
OK -- END