Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VKF6
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: WIPER / WASHER: FRONT WIPER MOTOR: INSPECTION; 2016 - 2020 MY Sienna [12/2015 -        ]

INSPECTION

CAUTION / NOTICE / HINT

NOTICE:

Ensure that fingers or articles of clothing do not get caught in moving parts when performing this test.

PROCEDURE

1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY

(a) Check the LO operation.

Text in Illustration

*a

Component without harness connected

(Windshield Wiper Motor Assembly)

(1) Connect a battery positive (+) lead to terminal 1 (+1) and a negative (-) lead to terminal 5 (E), and check that the motor operates at low speed (LO).

OK:

Motor operates at low speed (LO).

(b) Check the HI operation.

(1) Connect a battery positive (+) lead to terminal 4 (+2) and a negative (-) lead to terminal 5 (E), and check that the motor operates at high speed (HI).

OK:

Motor operates at high speed (HI).

(c) Check the automatic stop (park) operation.

(1) Connect a battery positive (+) lead to terminal 1 (+1) and a negative (-) lead to terminal 5 (E). With the motor operating at low speed (LO), disconnect terminal 1 (+1) to stop the wiper motor operation at any position other than the automatic stop (park) position.

(2) Using SST, connect terminals 3 (S) and 1 (+1). Then connect a battery positive (+) lead to terminal 2 (B) and a negative (-) lead to terminal 5 (E) to restart the motor operation at low speed (LO).

SST: 09843-18040

(3) Check that the motor stops automatically at the automatic stop (park) position.

Text in Illustration

*a

Automatic Stop Position

OK:

Motor stops automatically at the position.

If the result is not as specified, replace the windshield wiper motor assembly.