Toyota Lexus Gs430, Gs300. Uzs190 Grs190METER METER / GAUGE SYSTEM PRECAUTION PARTS LOCATION SYSTEM DIAGRAM SYSTEM DESCRIPTION HOW TO PROCEED WITH TROUBLESHOOTING CUSTOMIZE PARAMETERS PROBLEM SYMPTOMS TABLE TERMINALS OF ECU DIAGNOSIS SYSTEM FAIL-SAFE CHART DATA LIST / ACTIVE TEST ON-VEHICLE INSPECTION Entire Combination Meter does not Operate Malfunction in Speedometer Malfunction in Tachometer Malfunction in Fuel Receiver Gauge Malfunction in Water Temperature Receiver Gauge Seat Belt Warning Light for Driver Seat does not Operate Seat Belt Warning Light for Passenger Seat does not Operate Malfunction in Odo / Trip Switch Operating Light Control Rheostat does not Change Light Brightness Cluster Glass does not Become Tinted COMBINATION METER COMPONENTS REMOVAL INSTALLATION