Tech Tips
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 |
|---|---|---|
| Front wipers do not operate at all | Windshield wiper switch assembly | |
| Windshield wiper motor assembly (for LHD) | Click here | |
| Windshield wiper motor assembly (for RHD) | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| Front wipers do not operate in AUTO | LIN communication system | |
| Windshield wiper switch assembly | ||
| Rain sensor tape (Make sure there are no air bubbles.) | - | |
| Rain sensor | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| When the front wipers operate in AUTO, the wiping interval does not change according to changes in the vehicle speed | Windshield wiper switch assembly | |
| Rain sensor tape (Make sure there are no air bubbles.) | - | |
| Rain sensor | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| When the front wipers operate in AUTO, the wiping interval does not change according to changes in the vehicle speed | Meter / gauge system | |
| Windshield wiper switch assembly | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| Front wipers do not operate in LO or MIST | Windshield wiper switch assembly | |
| Windshield wiper motor assembly (for LHD) | ||
| Windshield wiper motor assembly (for RHD) | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| Front wipers do not operate in HI | Windshield wiper switch assembly | |
| Windshield wiper motor assembly (for LHD) | ||
| Windshield wiper motor assembly (for RHD) | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| Only front washer does not operate | Windshield wiper switch assembly | |
| Windshield washer motor and pump assembly | ||
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| Front wipers do not operate when the washer fluid is sprayed with the washer switch on | Windshield wiper switch assembly | |
| Windshield wiper relay assembly (for LHD) | ||
| Windshield wiper relay assembly (for RHD) | ||
| Harness or connector | - | |
| Washer fluid does not flow (Washer motor is normal) | Washer fluid | - |
| Washer hose and nozzle | - | |
| Front wiper arms do not return to their original positions when wiper switch is turned off | Front wiper arm installation position (for LHD) | |
| Front wiper arm installation position (for RHD) | ||
| Windshield wiper switch assembly | ||
| Windshield wiper motor assembly (for LHD) | ||
| Windshield wiper motor assembly (for RHD) | ||
| Harness or connector | - |
| Symptom | Suspected Area | Link |
|---|---|---|
| Front wipers do not operate at all | Windshield wiper switch assembly | |
| Harness or connector | - | |
| Front wipers do not operate in INT | Windshield wiper motor assembly (for LHD) | Click here |
| Windshield wiper motor assembly (for RHD) | ||
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| Front wipers do not operate in LO or MIST | Windshield wiper motor assembly (for LHD) | |
| Windshield wiper motor assembly (for RHD) | ||
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| Front wipers do not operate in HI | Windshield wiper motor assembly (for LHD) | |
| Windshield wiper motor assembly (for RHD) | ||
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| When the wiper switch is in INT position, the front wiper intermittent operation timing does not change (Intermittent operation is normal) | Windshield wiper switch assembly | |
| Only front washer does not operate | Windshield washer motor and pump assembly | |
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| Front wipers do not operate when the washer fluid is sprayed with the washer switch on | Windshield wiper switch assembly | |
| Harness or connector | - | |
| Washer fluid does not flow | Washer fluid | - |
| Washer hose and washer nozzle sub-assembly | - | |
| Front wiper arms do not return to their original positions when wiper switch is turned off | Front wiper arm installation position (for LHD) | |
| Front wiper arm installation position (for RHD) | ||
| Windshield wiper switch assembly | ||
| Harness or connector | - |
| Symptom | Suspected Area | Link |
|---|---|---|
| Rear wiper does not operate at all | Rear wiper motor assembly | |
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| Rear wiper does not operate in ON or INT | Rear wiper motor assembly | |
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| Rear wiper does not operate when the washer fluid is sprayed with the rear washer switch on | Windshield wiper switch assembly | |
| Harness or connector | - | |
| Only rear washer does not operate | Windshield washer motor and pump assembly | |
| Windshield wiper switch assembly | ||
| Harness or connector | - | |
| Washer fluid does not flow | Washer fluid | - |
| Washer hose and rear washer nozzle | - | |
| Rear wiper arm does not return to its original position when wiper switch is turned off | Rear wiper arm installation position | |
| Rear wiper motor assembly |