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Home >> Lexus >> 2007 >> GS 430 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Electronically Controlled Brake System >> DTC C1304/27 EPS Control System Malfunction >> Inspection Procedure
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Inspection Procedure

  1. CHECK DTC FOR EPS CONTROL SYSTEM 
    1. Clear the DTC (see DTC CHECK / CLEAR ).
    2. Check the DTC (see DTC CHECK / CLEAR ).

    Result 

    RESULT CHART

    Display (DTC Output) Proceed To
    DTC (EPS control system) is not output A
    DTC (EPS control system) is output B (see DIAGNOSTIC TROUBLE CODE CHART )

    B: REPAIR EPS CONTROL SYSTEM ACCORDING TO DTC OUTPUT 

    A: Go to next step 

  2. RECONFIRM DTC 
    1. Clear the DTC (see DTC CHECK / CLEAR ).
    2. Turn the engine switch on (IG).
    3. Check if the same DTC is recorded (see DTC CHECK / CLEAR ).

    Result 

    RESULT CHART

    Display (DTC Output) Proceed To
    DTC (C1304/27) is not output A
    DTC (C1304/27) is output B

    B:  Go to step  1

    A: END 

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