Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VKF3
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM(w/o Rain Sensor): PROBLEM SYMPTOMS TABLE; 2016 - 2020 MY Sienna [12/2015 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. 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 system does not operate

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Wire harness or connector

-

Front wiper system does not operate in LO or HI

WIP fuse

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER AND WASHER SYSTEM(w/o Rain Sensor): PARTS LOCATION

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Front wiper motor assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: INSPECTION

Wire harness or connector

-

Front wiper system does not operate in INT

WIP fuse

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER AND WASHER SYSTEM(w/o Rain Sensor): PARTS LOCATION

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Front wiper motor assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: INSPECTION

Wire harness or connector

-

Front washer system does not operate

WASHER fuse

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER AND WASHER SYSTEM(w/o Rain Sensor): PARTS LOCATION

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Windshield washer motor and pump assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WASHER MOTOR(for Front Side): INSPECTION

Wire harness or connector

-

Front wiper arms do not return to their original positions when wiper switch is turned off

Front wiper motor assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: FRONT WIPER MOTOR: INSPECTION

Wire harness or connector

-

Rear Wiper and Washer System

Symptom

Suspected Area

See page

Rear wiper and washer system does not operate

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Wire harness or connector

-

Rear wiper system does not operate

WIP RR fuse

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER AND WASHER SYSTEM(w/o Rain Sensor): PARTS LOCATION

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Rear wiper motor assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: REAR WIPER MOTOR: INSPECTION

Wire harness or connector

-

Rear washer system does not operate

WASHER RR fuse

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER AND WASHER SYSTEM(w/o Rain Sensor): PARTS LOCATION

Windshield wiper switch assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

Rear washer motor and pump assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WASHER MOTOR(for Rear Side): INSPECTION

Wire harness or connector

-

Rear wiper arms do not return to their original positions when wiper switch is turned off

Rear wiper motor assembly

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: REAR WIPER MOTOR: INSPECTION

Wire harness or connector

-

Washer Fluid Level Warning System

Symptom

Suspected Area

See page

Washer fluid level warning system does not operate

Washer fluid level warning switch

2016 - 2020 MY Sienna [12/2015 -        ]; WIPER / WASHER: WASHER LEVEL WARNING SWITCH: INSPECTION

Combination meter assembly

2016 MY Sienna [12/2015 - 08/2016]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: PROBLEM SYMPTOMS TABLE 2017 MY Sienna [08/2016 - 11/2017]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: PROBLEM SYMPTOMS TABLE 2018 - 2020 MY Sienna [11/2017 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: PROBLEM SYMPTOMS TABLE