Step 3 - Inspect Washer Linked Operation

WARNING: This page is about a different car, the 2002 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

Connect the positive (+) lead from the battery to terminal 16 and the negative (-) lead to terminal 2.

Fig 1: Testing Washer Linked Operation
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Connect the positive (+) lead from the voltmeter to terminal 7 and the negative (-) lead to terminal 2.
Push in the washer switch, and check that the voltage changes as shown.

Fig 2: Washer Linked Operation Specification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If operation is not as specified, replace the wiper and washer switch.