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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System >> DTC C1A4A: Skid Control Buzzer Circuit >> Inspection Procedure

Inspection Procedure

  1. PERFORM ACTIVE TEST BY TECHSTREAM (SKID CONTROL BUZZER) 
    1. Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
    2. Select "Buzzer", and perform the Active Test.

    OK: Skid control buzzer sounds. 

    NG: GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    OK: REPLACE DRIVING SUPPORT ECU  (See REMOVAL  )