Inspection Procedure

1. 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.
2. Select "CLEAR" and clear the data
3. Recheck for DTC.

OK: DTC C1A01 is not output. 

NG: REPLACE DRIVING SUPPORT ECU  (See REMOVAL )

OK: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )