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 | ||
| Harness or connector | - | |
| Front wiper system does not operate in LO or MIST | Windshield wiper switch assembly | |
| Windshield wiper motor assembly | ||
| Harness or connector | - | |
| Front wiper system does not operate in HI | Windshield wiper switch assembly | |
| Windshield wiper motor assembly | ||
| Harness or connector | - | |
| Front wipers do not operate in INT (w/ Intermittent Function) |
Windshield wiper switch assembly | |
| Windshield wiper motor assembly | ||
| Harness or connector | - | |
| When the windshield wiper switch is in the INT position, the front wiper intermittent operation timing does not change (Intermittent operation is normal) (w/ Intermittent Time Adjustment Switch) |
Windshield wiper switch assembly | |
| Front washer system does not operate | Windshield wiper switch assembly | |
| Windshield washer motor and pump assembly (for Resin Type Bumper) | ||
| Windshield washer motor and pump assembly (for Steel Type Bumper) | ||
| Harness or connector | - | |
| Front wipers do not operate when the washer fluid is sprayed with the windshield 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 windshield wiper switch is turned off | Windshield wiper motor assembly | |
| Front wiper arms installation positions | ||
| Harness or connector | - |
| Symptom | Suspected Area | Link |
|---|---|---|
| Headlight cleaner system does not operate | Automatic headlight beam level control system (w/ Automatic Headlight Beam Level Control System) | |
| Check headlight cleaner washer nozzle cover | - | |
| Check headlight cleaner hose | - | |
| Proceed to "Headlight Cleaner Motor and Relay Circuit" |
| Symptom | Suspected Area | Link |
|---|---|---|
| Washer fluid level warning system does not operate | Proceed to "Washer Fluid Level Warning Switch Circuit" |