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Home >> Lexus >> 2013 >> LS 460 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (Diagnostic Codes & Circuit Tests) >> Cruise Control System >> Circuit Tests >> Cruise Main Indicator Light Circuit >> Procedure

Cruise Main Indicator Light Circuit: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (CRUISE CONTROL INDICATOR LIGHT) 
    1. Select the Active Test, use the Techstream to generate a control command, and then check that the cruise control indicator light illuminates. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] .
      COMBINATION METER

      Tester Display Test Part Control Range Diagnostic Note
      Indic. Lamp Cruise Cruise control indicator light ON / OFF -

      OK

      Cruise control indicator light turns ON/OFF.

    NG → See step   3 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (CRUISE CONTROL INDICATOR LIGHT) 
    1. Check the Data List for proper functioning of the cruise control indicator light. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] .
      CRUISE CONTROL

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      CCS Indicator M-CPU Cruise control indicator (Main CPU) / ON or OFF ON: Cruise control indicator light is ON
      OFF: Cruise control indicator light is OFF
      -

      OK

      When the cruise control main switch operation is performed, the result will be the same as above.

    NG → See step   5 

    OK → See step   4 

  3. GO TO METER / GAUGE SYSTEM. Refer to  PROBLEM SYMPTOMS TABLE [09/2012 - ] 
  4. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2012 - ] 
  5. REPLACE ECM. Refer to  REMOVAL [09/2012 - ]