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Problem Symptoms Table

PRE-COLLISION SYSTEM 

PROBLEM SYMPTOMS

Symptom Suspected area See
System operates when the possibility of collision does not exist 1. Millimeter wave radar sensor DTC B2055 RADAR SENSOR MALFUNCTION 
2. Distance control ECU DTC B2059 VEHICLE SPEED MALFUNCTION 
System does not operate when the possibility of collision exists 1. Millimeter wave radar sensor DTC B2055 RADAR SENSOR MALFUNCTION 
2. Check if inoperative conditions of the system are met DIAGNOSTIC TROUBLE CODE CHART 
3. Distance control ECU -
Neither normal system code nor DTC is output 1. Power source circuit POWER SOURCE CIRCUIT 
System does not operate normally even when normal system code is output and DTCs are not output 1. Power source circuit POWER SOURCE CIRCUIT