Problem Symptoms Table
WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
PRE-COLLISION SYSTEM
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Reference |
|---|---|---|
| System operates when the possibility of collision does not exist | Millimeter wave radar sensor | DTC B2055: Radar Sensor Malfunction |
| Distance control ECU | DTC B2057: Yaw Rate Sensor | |
| System does not operate when the possibility of collision exists | Millimeter wave radar sensor | DTC B2055: Radar Sensor Malfunction |
| Check if inoperative conditions of the system are met | DIAGNOSIS SYSTEM | |
| Distance control ECU | - | |
| Neither normal system code nor DTC is output | Power source circuit | Power Source Circuit |
| System does not operate normally even when normal system code is output and DTCs are not output | Power source circuit | Power Source Circuit |