Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2013 >> LS 460 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) >> Dynamic Radar Cruise Control System >> DTC C1A4A: Skid Control Buzzer Circuit >> Procedure

DTC C1A4A: Skid Control Buzzer Circuit: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (SKID CONTROL BUZZER) 
    1. Select the Active Test, use the Techstream to generate a control command, and then check that the Skid control buzzer sounds. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] .
      ABS/VSC/TRAC

      Tester Display Test Part Control Range Diagnostic Note
      Buzzer Skid control buzzer sounds ON / OFF -

      OK

      Skid control buzzer sounds.

    NG → See step   3 

    OK → See step   2 

  2. REPLACE DRIVING SUPPORT ECU. Refer to  REMOVAL [09/2012 - ] 
  3. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2012 - ]