Toyota Lexus Gs430, Gs300. Uzs190 Grs190CRUISE CONTROL CRUISE CONTROL SYSTEM PRECAUTION PARTS LOCATION SYSTEM DIAGRAM SYSTEM DESCRIPTION HOW TO PROCEED WITH TROUBLESHOOTING ROAD TEST PROBLEM SYMPTOMS TABLE TERMINALS OF ECU DIAGNOSIS SYSTEM DTC CHECK / CLEAR FAIL-SAFE CHART DATA LIST / ACTIVE TEST DIAGNOSTIC TROUBLE CODE CHART P0500 P0571 P0503 P0607 Cruise Control Switch Circuit Cruise Main Indicator Light Circuit TC and CG Terminal Circuit DYNAMIC RADAR CRUISE CONTROL SYSTEM PRECAUTION PARTS LOCATION COMPONENTS SYSTEM DIAGRAM SYSTEM DESCRIPTION HOW TO PROCEED WITH TROUBLESHOOTING ROAD TEST OPERATION CHECK PROBLEM SYMPTOMS TABLE TERMINALS OF ECU DIAGNOSIS SYSTEM DTC CHECK / CLEAR FAIL-SAFE CHART DATA LIST / ACTIVE TEST DIAGNOSTIC TROUBLE CODE CHART P0500 U0100 P0503 P1617 P0571 P1630 P0607 U0122 P1570 P1631 P1572 U0100 P1575 U0123 P1578 U0126 P1615 U0235 U1101 U1102 P1616 REMOVAL ADJUSTMENT INSTALLATION Cruise Control Switch Circuit Distance Control ECU Power Source Circuit Millimeter Wave Radar Sensor Power Source Circuit Distance Control Switch Circuit Wiper Signal Circuit Cruise Main Indicator Light Circuit TC and CG Terminal Circuit CRUISE CONTROL MAIN SWITCH COMPONENTS REMOVAL INSTALLATION CRUISE CONTROL ECU (for LHD) COMPONENTS REMOVAL INSTALLATION CRUISE CONTROL ECU (for RHD) COMPONENTS REMOVAL INSTALLATION