Problem Symptoms Table
WARNING: This page is about a different car, the 2006 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS CHART
| Symptom | Suspected area | See |
|---|---|---|
| System operates when possibility of collision does not exist | Millimeter wave radar sensor | DTC B2055 RADAR SENSOR MALFUNCTION |
| Cruise control ECU assembly (distance control ECU) | DTC B2056 AXIAL GAP OF RADAR SENSOR | |
| System does not operate when possibility of collision exists | Millimeter wave radar sensor | DTC B2055 RADAR SENSOR MALFUNCTION |
| Check if inoperative conditions of system are met | FAIL-SAFE CHART | |
| Cruise control ECU assembly (distance control ECU) | - | |
| "PCS DISABLED Now" is displayed on multi-information display | Millimeter wave radar sensor | DTC B2055 RADAR SENSOR MALFUNCTION |
| Seat belt control ECU | PROBLEM SYMPTOMS TABLE | |
| 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 |