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Home >> Lexus >> 1994 >> SC 400 >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Component Testing >> Wiper/Washer Switch Test >> Interval Switch Resistance Test
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Interval Switch Resistance Test

  1. Disconnect wiper/washer switch connectors. Move switch lever to INT position. Check resistance between the following terminals. See Figure.
    • A14 and A17
  2. With interval knob in SLOW position, resistance should be about 50 ohms. With interval knob in FAST position, resistance should be less than 10 ohms. Replace switch if resistance is not as specified.
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