Problem Symptoms Table [09/2014 - 11/2017]
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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| "Check PCS system" is displayed | Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| "PCS temporarily not available" is displayed | System determines millimeter wave radar sensor assembly cannot detect obstacles due to bad weather. If weather recovers, normal control returns. (Bad weather history can be checked using Data List.) | Refer to DATA LIST / ACTIVE TEST [09/2014 - 08/2016] , or refer to DATA LIST / ACTIVE TEST [08/2016 - 11/2017] |
| Millimeter wave radar sensor assembly | Refer to REMOVAL [09/2014 - 11/2017] | |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Although there is possibility of collision, pre-collision control (all front collision controls) does not operate ("PCS temporarily not available" is not displayed) | Vehicle condition/environment does not match pre-collision control operation conditions (Confirm control operation conditions) | Refer to SYSTEM DESCRIPTION [09/2014 - 08/2016] , or refer to SYSTEM DESCRIPTION [08/2016 - 11/2017] |
| Pre-collision System Circuit | Refer to Pre-collision System Circuit [09/2014 - 11/2017] | |
| Check installation condition of millimeter wave radar sensor assembly | Refer to INSTALLATION [09/2014 - 11/2017] | |
| Perform millimeter wave radar sensor assembly adjustment | Refer to ADJUSTMENT [09/2014 - 11/2017] | |
| Millimeter wave radar sensor assembly | Refer to REMOVAL [09/2014 - 11/2017] | |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Although there is no possibility of collision, pre-collision controls (all front crash controls) operate | Vehicle condition/environment does not match pre-collision control operation conditions (Confirm control operation conditions) | Refer to SYSTEM DESCRIPTION [09/2014 - 08/2016] , or refer to SYSTEM DESCRIPTION [08/2016 - 11/2017] |
| Pre-collision System Circuit | Refer to Pre-collision System Circuit [09/2014 - 11/2017] | |
| Check installation condition of millimeter wave radar sensor assembly | Refer to INSTALLATION [09/2014 - 11/2017] | |
| Perform millimeter wave radar sensor assembly adjustment | Refer to ADJUSTMENT [09/2014 - 11/2017] | |
| Millimeter wave radar sensor assembly | Refer to REMOVAL [09/2014 - 11/2017] | |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Neither normal system code nor DTCs are output | Power source circuit | Refer to ECU Power Source Circuit [09/2014 - 11/2017] |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| System does not operate normally even when normal system code is output or DTCs are not output | Power source circuit | Refer to ECU Power Source Circuit [09/2014 - 11/2017] |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Pre-collision system does not operate | Pre-collision system cancel switch assembly | Refer to INSPECTION [09/2014 - 11/2017] |
| Pre-collision system cancel switch circuit | Refer to Pre-collision System Cancel Switch Circuit [09/2014 - 11/2017] | |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Pre-collision system cannot be canceled (PCS warning indicator does not illuminate) | Combination meter assembly (Check if indicator illuminates using Active Test) | Refer to DATA LIST / ACTIVE TEST [09/2014 - 08/2016] , or refer to DATA LIST / ACTIVE TEST [08/2016 - 11/2017] |
| Pre-collision system cancel switch circuit | Refer to Pre-collision System Cancel Switch Circuit [09/2014 - 11/2017] | |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] | |
| Pre-collision brake assist and pre-collision brake control cannot be canceled (PCS warning indicator does not illuminate) | Combination meter assembly (Check if indicator illuminates using Active Test) | Refer to DATA LIST / ACTIVE TEST [09/2014 - 08/2016] , or refer to DATA LIST / ACTIVE TEST [08/2016 - 11/2017] |
| Combination switch assembly (VSC OFF switch) circuit | Refer to Drive Mode Select Switch Circuit [09/2014 - ] | |
| Driving support ECU assembly | Refer to REMOVAL [09/2014 - 01/2023] | |
| Combination meter assembly | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] |