Inspection Procedure

1. Replace the driver monitor camera (see REMOVAL ).

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. Based on the DTC detection conditions, try to simulate the malfunction.
4. Recheck for DTC

OK: DTC C1A31 is not output. 

NG: REPLACE DRIVING SUPPORT ECU  (See REMOVAL )

OK: END