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Home >> Lexus >> 1990 >> LS 400 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panels >> Component Testing >> Light Failure Warning Light
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Light Failure Warning Light

  1. Disconnect the connector from the light failure sensor in trunk. See Figure. Ground terminal 4 on the wire harness side connector. See Fig 1.
  2. Start the engine, check that the warning light lights up.
  3. If the warning light dies not light up, test the bulb or inspect wire harness.
Fig 1: Inspecting Light Failure Warning Light
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