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Home >> Lexus >> 2013 >> GX 460 Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostics - Introduction) >> Dynamic Radar Cruise Control System >> Problem Symptoms Table [06/2012 - ] >> Problem Symptoms Table [06/2012 - ]
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Problem Symptoms Table [06/2012 - ]

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DYNAMIC RADAR CRUISE CONTROL SYSTEM

Symptom Suspected Area Refer To
Cruise control switch cannot be turned on (Cruise control indicator in combination meter assembly does not illuminate) Cruise control switch circuit Refer to Cruise Control Switch Circuit
Driving support ECU power source circuit Refer to ECU Power Source Circuit
Cruise control indicator light circuit Refer to Cruise Main Indicator Light Circuit
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
Combination meter assembly Refer to REMOVAL [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
Vehicle-to-vehicle distance cannot be changed with distance control switch Distance control switch circuit Refer to Cruise Control Switch Circuit
Driving support ECU Refer to REMOVAL [06/2012 - ]
System cannot be changed to constant speed mode Cruise control switch circuit Refer to Cruise Control Switch Circuit
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Combination meter assembly Refer to REMOVAL [06/2012 - ]
System cannot be changed to vehicle-to-vehicle distance control mode Millimeter wave radar sensor power source circuit Refer to Millimeter Wave Radar Sensor Power Source Circuit
Millimeter wave radar sensor assembly Refer to REMOVAL [06/2012 - ]
Cruise control switch circuit Refer to Cruise Control Switch Circuit
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
Combination meter assembly Refer to REMOVAL [06/2012 - ]
During constant speed mode operation, system operation is canceled Cruise control switch circuit Refer to Cruise Control Switch Circuit
Park/neutral position switch assembly Refer to INSPECTION [06/2012 - ]
Stop light switch circuit Refer to DTC P0571: Stop Light Switch Circuit Malfunction
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
During vehicle-to-vehicle distance control mode operation, system operation is canceled Millimeter wave radar sensor power source circuit Refer to Millimeter Wave Radar Sensor Power Source Circuit
Millimeter wave radar sensor assembly Refer to REMOVAL [06/2012 - ]
Cruise control switch circuit Refer to Cruise Control Switch Circuit
Park/neutral position switch assembly Refer to INSPECTION [06/2012 - ]
Wiper signal circuit Refer to Wiper Signal Circuit
Stop light switch circuit Refer to DTC P0571: Stop Light Switch Circuit Malfunction
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Shift lever cancel operation does not operate Park/neutral position switch assembly Refer to INSPECTION [06/2012 - ]
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
Low speed limit cancel operation does not operate CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
During vehicle-to-vehicle distance control mode, wiper cancel operation does not operate Wiper signal circuit Refer to Wiper Signal Circuit
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
Even though millimeter wave radar sensor is not dirty, "CLEAN RADAR SENSOR" is displayed Millimeter wave radar sensor radiator grille is dirty -
Combination meter assembly Refer to REMOVAL [06/2012 - ]
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
No information on multi-information display Combination meter assembly Refer to REMOVAL [06/2012 - ]
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Beam axis of millimeter wave radar sensor assembly cannot be adjusted Check installation millimeter wave radar sensor assembly Refer to ADJUSTMENT [06/2012 - ]
Millimeter wave radar sensor assembly Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
Alarm buzzer does not sound Skid control buzzer circuit Refer to Skid Control Buzzer Circuit
Millimeter wave radar sensor assembly Refer to REMOVAL [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
No brake control (When decelerating) Vehicle stability control system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]
Driving support ECU Refer to REMOVAL [06/2012 - ]
Cruise control SET indicator light does not come on (SET function operates normally) Cruise control SET indicator light Refer to Cruise SET Indicator Light Circuit
Combination meter assembly Refer to REMOVAL [06/2012 - ]
CAN communication system Refer to DIAGNOSIS SYSTEM [06/2012 - ]
ECM Refer to REMOVAL [06/2012 - ]