Toyota Sienna Service Manual: Wiper switch

Toyota Sienna Service Manual / Wiper and washer / Wiper switch

COMPONENTS

COMPONENTS

REMOVAL

1. REMOVE STEERING COLUMN COVER

2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY

REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY

Disconnect the connector.
Using a screwdriver, disengage the claw and pull out the windshield wiper switch assembly.

NOTICE: The claw will be broken if pressed hard.

HINT: Tape up the screwdriver tip before use.

INSPECTION

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

Continuity Check

Check the continuity between each of the terminals of the connector.

Standard:

Front Wiper Switch

Front Wiper Switch

Front Washer Switch

Front Washer Switch

Rear Wiper Switch

Rear Wiper Switch

Rear Washer Switch

Rear Washer Switch

Intermittent Operation Check

Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector.
Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 2 (EW) and the terminal 16 (+S) of the connector.
Turn the wiper switch into the INT position.
Connect the battery (+) to the terminal 16 (+S) of the connector for 5 seconds.
Connect the battery (-) to the terminal 16 (+S) of the connector. Operate the intermittent wiper relay and check voltage between the terminal 7 (+1) and the terminal 2 (EW).

INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

Operation Check (Front Wiper)

Turn the wiper switch into the OFF position.
Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 16 (+S) and 2 (EW) of the connector.
Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector. Turn the washer switch ON and OFF and check voltage between the terminal 7 (+1) and the terminal 2 (EW).

INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

INSTALLATION

1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY

2. REMOVE STEERING COLUMN COVER

Rear wiper rubber

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Front washer motor

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Other materials:

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