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Home >> Lexus >> 2013 >> LS 460 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) >> Dynamic Radar Cruise Control System >> Circuit Tests >> Distance Control Switch Circuit >> Procedure

Distance Control Switch Circuit: Procedure

  1. READ VALUE USING TECHSTREAM (DISTANCE CONTROL SWITCH) 
    1. Check the Data List for proper functioning of the distance control switch. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] .
      RADAR CRUISE

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Distance Control Switch Distance control switch signal/ON or OFF ON: Distance control switch ON
      OFF: Distance control switch OFF
      -

      OK

      Display changes according to steering pad switch (distance control switch) operation described in above table.

    NG → See step   2 

    OK → See step   3 

  2. READ VALUE USING TECHSTREAM (STEERING PAD SWITCH) 
    1. Check the Data List for proper functioning of the steering pad switch. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] .
      STEERING PAD SWITCH

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      ACC SW Steering pad switch (distance control switch) signal/ON or OFF ON: Steering pad switch (distance control switch) is ON
      OFF: Steering pad switch (distance control switch) is OFF
      -

      OK

      Display changes according to steering pad switch (distance control switch) operation described in above table.

    NG → See step   4 

    OK → See step   5 

  3. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2012 - ] 
  4. REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [09/2012 - ] 
  5. REPLACE DRIVING SUPPORT ECU. Refer to  REMOVAL [09/2012 - ]