| Last Modified: 11-27-2007 | 1.6 T | |
| Service Category: Vehicle Exterior | Section: Wiper/Washer | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002M5V006X |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: PROBLEM SYMPTOMS TABLE (2008 LX570) | ||
PROBLEM SYMPTOMS TABLE
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 System
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Wiper and washer systems do not operate at all |
Wiper and washer switch circuit |
|
|
Windshield wiper ECU |
|
|
|
Wiper system does not operate at all |
WIPER fuse |
- |
|
Wiper motor power source circuit |
|
|
|
Wiper and washer switch circuit |
|
|
|
Front wiper motor circuit |
|
|
|
Windshield wiper ECU |
|
|
|
Wiper system does not operate (LO, INT) |
Wiper and washer switch circuit |
|
|
Front wiper motor circuit |
|
|
|
Windshield wiper ECU |
|
|
|
Wiper system does not operate (HI) |
Wiper switch (Hi-speed) circuit |
|
|
Front wiper motor circuit |
|
|
|
Windshield wiper ECU |
|
|
|
Wiper system does not stop |
Wiper switch (Hi-speed) circuit |
|
|
Front wiper motor circuit |
|
|
|
Windshield wiper ECU |
|
|
|
Washer system does not operate |
Wiper and washer switch circuit |
|
|
Washer motor circuit |
|
|
|
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 |
- |
|
|
Rear wiper system does not operate |
RR WIPER fuse |
- |
|
Windshield wiper switch |
|
|
|
Rear wiper motor circuit |
|
|
|
Harness or connector |
- |
|
|
Rear washer system does not operate |
Windshield wiper switch |
|
|
Rear washer motor |
|
|
|
Harness or connector |
- |
|
|
Rear wiper arm does not return to its original position when wiper switch is turned off |
Rear wiper motor |
|
|
Harness or connector |
- |
Auto Wiper System
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Auto wiper system does not operate (manual operation) |
Rain sensor circuit |
|
|
Rain sensor |
|
|
|
Windshield wiper ECU |
|
Headlight Cleaner System
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Headlight cleaner system does not operate at all |
Headlight cleaner switch circuit |
|
|
Headlight cleaner motor and relay circuit |
|
|
|
Windshield wiper ECU |
|
|
|
Headlight cleaner control relay |
|
|
|