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Corolla & Sienna

  1. Unplug sun roof motor and limit switch connector. See Figure. For limit switch No. 1, continuity should not exist between terminals No. 4 and 5 with switch pin released. With pin pressed in, continuity should exist between terminals No. 4 and 5.
  2. For limit switch No. 2, continuity should not exist between terminals No. 4 and 6 with switch pin released. With pin pressed in, continuity should exist between terminals No. 4 and 6. Replace switch if continuity is not as specified.