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Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST USING Intelligent tester OR TECHSTREAM (CRUISE MAIN INDICATOR LIGHT) 
    1. Connect the Intelligent tester or Techstream to the DLC3
    2. Turn the power switch ON (IG).
    3. Turn the tester switch on.
    4. Select the following menu items
      1. Intelligent tester - DIAGNOSIS / OBD/MOBD / METER / ACTIVE TEST.
      2. Techstream - Body Electrical / Combination Meter / Active Test.
    5. Select the item below in the ACTIVE TEST and then check the CRUISE main indicator light operation.
      1. Intelligent tester

        METER

        CONTROL RANGE CHART

        Item Test Part Control Range
        CRUISE INDIC CRUISE main indicator light ON / OFF
      2. Techstream

      Combination Meter

      CONTROL RANGE CHART

      Item Test Part Control Range
      Indicat Lamp Cruise CRUISE main indicator light ON/OFF

    OK: CRUISE main indicator light turns on / turns off. 

    NG: GO TO METER / GAUGE SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING ).

    OK: Go to next step 

  2. READ VALUE USING Intelligent tester OR TECHSTREAM (CRUISE MAIN INDICATOR LIGHT) 
    1. Check the DATA LIST for proper functioning of the CRUISE main indicator light.
      1. Intelligent tester

        CCS

        DIAGNOSTIC NOTE NORMAL CONDITION CHART

        Tester Display Measurement Item/Range Normal Condition
        CCS INDICATOR M Cruise indicator signal (Main CPU) / ON or OFF ON CRUISE main indicator light is ON
        OFF CRUISE main indicator light is OFF
      2. Techstream

    Cruise Control

    DIAGNOSTIC NOTE NORMAL CONDITION CHART

    Tester Display Measurement Item/Range Normal Condition
    CCS Indicator M-CPU Cruise indicator signal (M-CPU) / ON or OFF ON CRUISE main indicator light is ON
    OFF CRUISE main indicator light is OFF

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

    NG: REPLACE HYBRID VEHICLE CONTROL ECU  (See REMOVAL ).

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE ).