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Home >> Lexus >> 2007 >> GS 450h >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Cruise Control System >> Cruise Main Indicator Light Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER (CRUISE MAIN INDICATOR LIGHT) 
    1. Select the ACTIVE TEST, use the intelligent tester (with CAN VIM) to generate a control command, and then check that the CRUISE main indicator light illuminates.

      Combination meter 

      ITEM MEASUREMENT CONDITIONS

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

      OK: 

      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 OF INTELLIGENT TESTER (CRUISE CONTROL MAIN SWITCH) 
    1. Check the DATA LIST for proper functioning of the CRUISE main indicator light.

      Hybrid vehicle control ECU 

      ITEM MEASUREMENT CONDITIONS

      Item Measurement Item / Display (Range) Normal Condition
      CCS INDICATOR M-CPU 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 CRUISE CONTROL MAIN SWITCH 

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