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Home >> Lexus >> 2015 >> LS 460 Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes) >> PRE-COLLISION SYSTEM (w/ Driver Monitor Camera) >> DTC C1A4A: Skid Control Buzzer Circuit [10/2014 - ] >> Procedure

DTC C1A4A: Skid Control Buzzer Circuit [10/2014 - ]: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (SKID CONTROL BUZZER) 
    1. Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
    2. Select "Buzzer", and perform the Active Test. Refer to DATA LIST / ACTIVE TEST [10/2014 - ] .

      OK

      Skid control buzzer sounds.

    NG → See step   2 

    OK → See step   3 

  2. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - ] 
  3. REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  REMOVAL [10/2014 - ]