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Inspection [08/2015 - 08/2018]: Procedure

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT AIR PUMP ASSEMBLY 
    1. Check the heater resistance.
      1. Measure the resistance according to the value(s) in the table below.
        GTY552002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard Resistance

        Tester Connection Condition Specified Condition
        1 (APH+) - 3 (APHG) -20°C (-4°F) 4.4 to 20.0 Ω
        -10°C (14°F) 3.9 to 18.0 Ω
        0°C (32°F) 3.5 to 16.0 Ω
        10°C (50°F) 3.2 to 15.0 Ω
        20°C (68°F) 3.0 to 14.0 Ω
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Air pump)

        If the result is not as specified, replace the air pump assembly.

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