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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Circuit Inspection >> CRUISE MAIN Indicator Light Circuit >> Inspection Procedure

Inspection Procedure

  1. Check combination meter (See  TROUBLE SHOOTING  ). 
    1. NG: Replace combination meter. 
    2. OK: Go to next step. 

      Check and replace ECM (Check wire harness, connectors and terminals for damage or looseless, check ECM and body ground, check for Open or Short circuits). 

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