Wiper And Washer System (W/ Rain Sensor) - Problem Symptoms Table
WIPER AND WASHER SYSTEM (w/ Rain Sensor) - PROBLEM SYMPTOMS TABLE
- 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 System| Symptom | Suspected Area | See page |
| Front wiper and washer systems do not operate at all |
Wiper and washer switch circuit |
|
| Windshield wiper ECU |
|
| Only front wiper system does not operate |
WIPER fuse | - |
| Wiper motor power source circuit |
|
| Wiper and washer switch circuit |
|
| Front wiper motor circuit |
|
| Windshield wiper ECU |
|
| Front wiper system does not operate (LO, INT) |
Wiper and washer switch circuit |
|
| Front wiper motor circuit |
|
| Windshield wiper ECU |
|
| Front wiper system does not operate (HI) |
Wiper switch (Hi-speed) circuit |
|
| Front wiper motor circuit |
|
| Windshield wiper ECU |
|
| Front wiper system does not stop |
Wiper switch (Hi-speed) circuit |
|
| Front wiper motor circuit |
|
| Windshield wiper ECU |
|
| Only front washer system does not operate |
Wiper and washer switch circuit |
|
| Washer motor circuit |
|
| Windshield wiper ECU |
|
| Washer fluid does not flow | Washer fluid | - |
| Washer hose and nozzle | - |
| Front wiper arm does not return to its original position when wiper switch is turned off | Front wiper arm installation position |
|
| Front wiper motor |
|
| Windshield wiper ECU |
|
Rear Wiper and Washer System| Symptom | Suspected Area | See page |
| Rear wiper and washer system does not operate |
Windshield wiper switch |
|
| Harness or connector | - |
| Only rear wiper system does not operate |
RR WIPER fuse | - |
| Windshield wiper switch |
|
| Rear wiper motor |
|
| Harness or connector | - |
| Only rear washer system does not operate |
Windshield wiper switch |
|
| Rear washer motor |
|
| Harness or connector | - |
| Washer fluid does not flow | Washer fluid | - |
| Washer hose and 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 |
|
Auto Wiper System| Symptom | Suspected Area | See page |
| Auto wiper system does not operate (manual operation is normal) |
Rain sensor circuit |
|
| Rain sensor |
|
| Windshield wiper ECU |
|
| When the auto wiper system is on, the rain sensor sensitivity and wiper operation timing could not be adjusted by the auto sensitivity adjustment | CAN communication system (for LHD) |
|
| CAN communication system (for RHD) |
|
| Stop light switch |
|
| Main body ECU (cowl side junction block LH) | - |
| Combination meter |
|
| Windshield wiper ECU |
|
| Harness or connector | - |
Headlight Cleaner System (w/ Headlight Cleaner System)| Symptom | Suspected Area | See page |
| Headlight cleaner system does not operate when headlight cleaner switch is operated | Headlight cleaner switch circuit |
|
| Headlight cleaner motor and relay circuit |
|
| Headlight signal circuit |
|
| Main body ECU (cowl side junction block LH) | - |
| Headlight cleaner control relay |
|
| Headlight cleaner system does not operate when the front washer switch is first operated* (w/ Headlight Auto Leveling) | Washer signal circuit |
|
| Headlight signal circuit |
|
| Windshield wiper switch assembly |
|
| Main body ECU (cowl side junction block LH) | - |
| Headlight cleaner control relay |
|
- *: The headlight cleaner system operates when the front washer switch is first operated with the low beam headlights on after the engine switch is turned to on (IG).
Washer Nozzle Heater System (w/ Washer Nozzle Heater System)| Symptom | Suspected Area | See page |
| Washer nozzle heater does not operate |
Washer nozzle heater circuit |
|
Other| Symptom | Suspected Area | See page |
| Washer fluid level warning system does not operate |
Washer level warning switch circuit |
|
| Harness or connector | - |