LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2010 >> Prius Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) (Except PHV) >> Pre-Collision System >> DTC C1A10: Front Radar Sensor >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A10: Front Radar Sensor: Procedure

  1. REPLACE MILLIMETER WAVE RADAR SENSOR 
    1. Replace the millimeter wave radar sensor . Refer to REMOVAL .

    NEXT: Go to next step 

  2. ADJUST MILLIMETER WAVE RADAR SENSOR 
    1. Adjust the millimeter wave radar sensor . Refer to ADJUSTMENT .

    NEXT: Go to next step 

  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) 
    1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    2. Clear the DTCs . Refer to DTC CHECK / CLEAR .
    3. Recheck for DTCs.

      OK

      DTC C1A10 is not output.

    NG → See step   4 

    OK → END 

  4. REPLACE DRIVING SUPPORT ECU. Refer to  REMOVAL