LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> GX 460 Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A30: Driver Monitor ECU [08/2015 - 08/2019] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A30: Driver Monitor ECU [08/2015 - 08/2019]: Procedure

  1. REPLACE DRIVER MONITOR ECU 
    1. Replace the driver monitor ECU (Refer to REMOVAL [08/2015 - 08/2019] ).

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
    2. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).

      OK

      DTC C1A30 is not output.

    Result: 

    OK 

    END (DRIVER MONITOR ECU IS DEFECTIVE) 

    Result: 

    NG 

    REPLACE DRIVING SUPPORT ECU 

    (Refer to REMOVAL [08/2015 - 08/2019] )