Pre-Crash Safety System Problem Symptoms Table

Restraints. Lexus Gs430, Gs300. Uzs190 Grs190
Pre-Crash Safety. Lexus Gs430, Gs300. Uzs190 Grs190

Pre-Crash Safety System -- Problem Symptoms Table


HINT:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Symptom
Suspected area
See page
System operates when possibility of collision does not exist
Check installation condition of millimeter wave radar sensor
Click here
Cruise control ECU assembly (distance control ECU) may detect possible collision objects, and system may activate even when vehicle does not collide with object
Click here
System does not operate when possibility of collision exists
Check installation condition of millimeter wave radar sensor
Click here
Check if inoperative conditions of system are met
Click here
As this system operates when cruise control ECU assembly (distance control ECU) determines that collision is unavoidable, system may not have any malfunction
-
"PCS DISABLED Now" is displayed on multi-information display
Radiator grille or millimeter wave radar sensor is not clean
Click here
Millimeter wave radar sensor cannot detect possible collision objects because of bad weather
Click here
Overheating prevention function of seat belt control ECU operates
Click here
Neither normal system code nor DTC is output
Power source circuit
Click here
System does not operate normally even when normal system code is output and DTCs are not output
Power source circuit
Click here