Problem Symptoms Table [10/2014 - ]
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
PRE-COLLISION SYSTEM
| Symptom | Suspected Area | Refer To |
|---|---|---|
| "Check PCS System" is displayed | Seat belt control ECU | Refer to REMOVAL [10/2014 - ] |
| Combination meter assembly | Refer to REMOVAL [10/2014 - ] | |
| "PCS not available now" is displayed | System determines that obstacles cannot be detected due to front millimeter wave radar sensor or radiator grille being dirty. If dirt is removed, normal control returns (dirt history can be checked using Data List). | - |
| System determines that obstacles cannot be detected due to object recognition camera or front glass being dirty. If dirt is removed, normal control returns. | - | |
| When seat belt is retracted 5 times, overheating prevention fail-safe function of seat belt control ECU operates. If ECU temperature drops, normal control returns. | Refer to FAIL-SAFE CHART [10/2014 - ] | |
| Millimeter wave radar sensor assembly | Refer to REMOVAL [10/2014 - ] | |
| Seat belt control ECU | Refer to REMOVAL [10/2014 - ] | |
| Driving support ECU assembly | Refer to REMOVAL [10/2014 - ] | |
| Object recognition camera | Refer to REMOVAL [10/2014 - ] | |
| Driver monitor camera | Refer to REMOVAL [10/2014 - ] | |
| Although there is possibility of collision, pre-collision control (all front collision controls) does not operate ("PCS not available now" is not displayed) | Vehicle condition/environment does not match pre-collision control operation conditions (confirm control operation conditions) | - |
| Check installation condition of millimeter wave radar sensor assembly | Refer to INSTALLATION [10/2014 - ] | |
| Perform millimeter wave radar sensor assembly adjustment | Refer to ADJUSTMENT [10/2014 - ] | |
| Millimeter wave radar sensor assembly | Refer to REMOVAL [10/2014 - ] | |
| Driving support ECU assembly | Refer to REMOVAL [10/2014 - ] | |
| Although there is no possibility of collision, pre-collision control (all front collision controls) operates | Check installation condition of millimeter wave radar sensor assembly | Refer to INSTALLATION [10/2014 - ] |
| Perform millimeter wave radar sensor assembly adjustment | Refer to ADJUSTMENT [10/2014 - ] | |
| Millimeter wave radar sensor assembly | Refer to REMOVAL [10/2014 - ] | |
| Driving support ECU assembly | Refer to REMOVAL [10/2014 - ] | |
| Only pre-collision seat belt does not operate | Buckle switch error (malfunction in which DTC is not output, such as when buckle switch is stuck ON or OFF) | - |
| Seat belt control ECU | Refer to REMOVAL [10/2014 - ] | |
| Pre-collision brake cannot be canceled (pre-collision warning indicator does not blink) | Combination meter assembly (check if indicator illuminates using Active Test) | Refer to DATA LIST / ACTIVE TEST [10/2014 - ] |
| Inspect pre-collision brake cancel switch | Refer to INSPECTION [10/2014 - ] | |
| Inspect VSC off switch | - | |
| Wire harness between pre-collision brake cancel switch and driving support ECU assembly | - | |
| Driving support ECU assembly | Refer to REMOVAL [10/2014 - ] |