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Home >> Lexus >> 2006 >> GS 430 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Cruise Control System >> Cruise Main Indicator Light Circuit >> Description
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Cruise Main Indicator Light Circuit: Description

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER 
    1. Connect the intelligent tester to the DLC3.
    2. Check the CRUISE main indicator light by using ACTIVE TEST.

      Combination meter: 

      ACTIVE TEST

      Item Test Details Diagnostic Note
      CRUISE INDIC CRUISE main indicator light is ON / OFF -

      OK : Indicator light comes on / goes off. 

    NG : GO TO COMBINATION METER SYSTEM 

    OK : GO TO NEXT STEP 

  2. READ VALUE OF INTELLIGENT TESTER 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the engine switch on (IG) and turn the intelligent tester main switch ON.
    3. Check the DATA LIST for proper functioning of the CRUISE main indicator light.

      ECM (Cruise control): 

      DATA LIST

      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      CCS INDICATOR M Cruise indicator signal (Main CPU) / ON or OFF ON: "CCS READY" ON
      OFF: "CCS READY" OFF
      -

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

    NG : REPLACE ECM 

    OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE