LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2015 >> LS 600h >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes >> Pre-Collision System >> DTC C1A21: Object Recognition Camera [10/2014 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A21: Object Recognition Camera [10/2014 - ]: Procedure

  1. REPLACE OBJECT RECOGNITION CAMERA 
    1. Replace the object recognition camera. Refer to REMOVAL [10/2014 - ] .

    NEXT: Go to next step 

  2. ADJUST OBJECT RECOGNITION CAMERA 
    1. Adjust the object recognition camera. Refer to ADJUSTMENT [10/2014 - ] .

    NEXT: Go to next step 

  3. CHECK FOR DTC 
    1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Code.
    2. Select "Clear" and clear the data.
    3. Recheck for DTC.

      OK

      DTC C1A21 is not output.

    NG → See step   4 

    OK → END (OBJECT RECOGNITION CAMERA IS DEFECTIVE) 

  4. REPLACE DRIVING SUPPORT ECU. Refer to  REMOVAL [10/2014 - ]