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Room Light: 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 NO. 1 ROOM LIGHT ASSEMBLY 
    Fig 1: Identifying No. 1 Room Light Assembly
    GTY207261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      Terminal E - Body ground Always Below 1 Ω

      If the result is not as specified, repair or replace harness or connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      Terminal B - Body ground Always 11 to 14 V

      If the result is not as specified, repair or replace the harness or connector.

    3. Remove the wire harness from the room light assembly.
    4. Measure the resistance according to the value(s) in the table below.
      Fig 2: Identifying Bulb Terminal And Light Busbar
      GTY157497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      Terminal E - Light Busbar Light switch OFF 10 kΩ or higher
      Light switch ON Below 1 Ω
      Terminal CTY - Light Busbar Light switch OFF 10 kΩ or higher
      Light switch in DOOR Below 1 Ω
      Terminal B - Bulb Terminal Always Below 1 Ω

      If the result is not as specified, replace the switch base.

    5. Connect a (+) lead from the battery to terminal B and a (-) lead to light busbar.
    6. Check that the light comes on.

      OK

      The light comes on.

      If the result is not as specified, replace the bulb.