| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AYIJ |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - ] |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE; 2019 - 2022 MY Avalon HV [04/2018 - ] | ||
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
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![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Front Wiper and Washer System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Front wipers do not operate at all |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Windshield wiper motor assembly |
|
|
|
Front wipers do not operate in INT |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Front wipers do not operate in LO |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Front wipers do not operate in HI |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Front wipers do not operate in MIST |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
When the wiper switch is in the INT position, the front wiper intermittent operation interval cannot be adjusted by the intermittent time adjustment switch |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Windshield wiper motor assembly |
|
|
|
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 |
|
|
Front wipers continuously operate in LO |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Front wipers continuously operate in HI |
Proceed to "Wiper and Washer Switch Circuit" |
|
|
Front wipers continuously operate in INT |
Windshield wiper motor assembly |
|
|
"Wiper System Malfunction Visit Your Dealer" is displayed on the multi-information display |
Windshield wiper motor assembly |
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Combination meter assembly |
|
|
|
Front wipers do not move to the service position (wiper operation is normal) |
Main body ECU (Multiplex network body ECU) |
|
|
Windshield washer motor and pump assembly does not operate |
Proceed to "Washer Motor Circuit" |
|
|
Proceed to "Wiper and Washer Switch Circuit" |
|
|
|
Washer fluid does not flow (Windshield washer motor and pump assembly is normal) |
Washer fluid |
- |
|
Washer hose and nozzle |
- |
|
|
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 |
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Front wipers did not operate before, but operate now |
Check the Operation History |
|
Washer Fluid Level Warning System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
"Windshield Washer Fluid Low" is displayed on the multi-information display when washer fluid level is not low |
Proceed to "Washer Fluid Level Warning Switch Circuit" |
|
|
"Windshield Washer Fluid Low" is not displayed on the multi-information display when washer fluid level is low |
Washer fluid |
- |
|
Proceed to "Washer Fluid Level Warning Switch Circuit" |
|
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|