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Wiper Relay Unit: Inspection

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Wiper Relay Unit Connector Terminals
G05033412Courtesy of SUBARU OF AMERICA, INC.
  1. Inspect the continuity of 4 pole connector.
    TERMINALS SPECIFICATION

    Terminal No. Specification
    1 and 2 Less than 1 Ω
  2. Connect the battery to the 3 pole connector and measure the continuity of 4 pole connector.
    TERMINALS SPECIFICATION

    Terminal No. Specification
    3 pole connector 4 pole connector
    2 and 3 1 and 4 Less than 1 Ω
    1 and 2 3 and 4 Less than 1 Ω
  3. When measurement value is different from the specification, replace the wiper relay unit.
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