LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> GS 450h >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Dynamic Radar Cruise Control System >> Cruise Main Indicator Light Circuit >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER (CRUISE CONTROL INDICATOR LIGHT) 
    1. Select the ACTIVE TEST, use the intelligent tester (with CAN VIM) to generate a control command, and then check that the combination meter operates.

      Combination meter 

      ITEM MEASUREMENT CONDITIONS

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

      OK: 

      Indicator light turns on. 

    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 INDICATOR LIGHT) 
    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 READY M-CPU Cruise control system standby condition (Main CPU) / ON or OFF Each time main switch is pushed, ON is displayed and then OFF is displayed
      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 HYBRID VEHICLE CONTROL ECU 

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