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Solar Sensor: Inspection: Inspection

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT SOLAR SENSOR 
    1. Disconnect the connector from the solar sensor.
      Fig 1: Identifying Solar Sensor Connector Terminals
      GTY207579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 Solar sensor covered with a cloth. ∞ Ω
      1 - 2 Solar sensor exposed to electric light. Except ∞ Ω

      HINT: 

      Use an incandescent light for inspection. Bring it within about 30 cm (11.8 in.) of the solar sensor.

      If the resistance is not as specified, replace the solar sensor.