Problem Symptoms Table [12/2017 - 10/2020]
NOTE:
If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
Refer to REGISTRATION [12/2017 - 10/2020]
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.
FRONT WIPER AND WASHER
| Symptom | Suspected Area | Link |
|---|---|---|
| Front wipers do not operate at all | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] | |
| Front wipers do not operate in AUTO | Check that the driver side and passenger side doors are closed | - |
| Rain sensor tape (Check for air bubbles) | - | |
| Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] | |
| Rain sensor | Refer to REMOVAL [12/2017 - ] | |
| Front wipers do not operate in LO | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Front wipers do not operate in HI | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Front wipers do not operate in MIST | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| When the front wipers are operating in AUTO, the rain sensor sensitivity cannot be adjusted by the windshield wiper switch assembly (adjustment switch) (wiping interval does not change) | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] | |
| When the front wipers operate in AUTO, the wiper interval does not change according to changes in the vehicle speed | Rain sensor | Refer to REMOVAL [12/2017 - ] |
| Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] | |
| Front wipers do not operate in INT* | Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] |
| When the front wipers are operating in INT, the front wiper intermittent operation interval cannot be adjusted by the windshield wiper switch assembly (adjustment switch) (wiping interval does not change)* | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] | |
| When the front wipers are operating in INT, the front wiper intermittent operation interval does not change according to changes in the vehicle speed* | Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] |
| Front wipers continuously operate in AUTO | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Front wipers continuously operate in LO | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Front wipers continuously operate in HI | Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] |
| Front wipers continuously operate in INT* | Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] |
| When the front wipers are operating in AUTO, the front wipers do not stop operating when the driver door or front passenger door is opened | Proceed to "Door Courtesy Switch Circuit" | Refer to Door Courtesy Switch Circuit [12/2017 - 10/2023] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020] | |
| Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] | |
| "Wiper System Malfunction Visit Your Dealer" is displayed on the multi-information display | Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020] | |
| Front wipers do not move to the service position (wiper operation is normal) | Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020] |
| When the setting of the customize setting "Auto Wiper" is changed, the operation of the wiper system does not change. | Rain sensor | Refer to REMOVAL [12/2017 - ] |
| Washer motor and pump assembly does not operate | Proceed to "Washer Motor Circuit" | Refer to Washer Motor Circuit [12/2017 - 10/2023] |
| Proceed to "Wiper and Washer Switch Circuit" | Refer to Wiper and Washer Switch Circuit [12/2017 - 10/2020] | |
| Washer fluid does not flow (Washer motor and pump assembly is normal) | Washer fluid | - |
| Washer hose and nozzle | - | |
| Front wipers do not operate when the windshield wiper switch assembly (washer switch) is on | Windshield wiper motor assembly | Refer to REMOVAL [12/2017 - 10/2020] |
| When the front wiper switch is turned off, the front wipers do not move to the park position or stop in the wrong position | Check the automatic stop (park) position | Refer to ON-VEHICLE INSPECTION [12/2017 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020] | |
| The wiper(s) may not operate | Check history of reason for operation | Refer to CHECK FOR INTERMITTENT PROBLEMS [12/2017 - 10/2023] |
- *: When the customize setting "Auto Wiper" is set to "Not Avl".
HEADLIGHT CLEANER SYSTEM (W/ HEADLIGHT CLEANER SYSTEM)
| Symptom | Suspected Area | Link |
|---|---|---|
| Headlight cleaner system does not operate | Proceed to "Headlight Cleaner Motor and Relay Circuit" | Refer to Headlight Cleaner Motor and Relay Circuit [12/2017 - 10/2022] |
WASHER FLUID LEVEL WARNING SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Washer fluid level warning message on the multi-information display does not operate | Washer fluid | - |
| Proceed to "Washer Fluid Level Warning Switch Circuit" | Refer to Washer Fluid Level Warning Switch Circuit [12/2017 - 10/2023] |