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On-Vehicle Inspection

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT REAR COMBINATION LIGHT ASSEMBLY 
    1. Disconnect the rear combination light assembly connector.
    2. Measure the voltage according to the value(s) in the table below.
      Fig 1: Identifying Rear Combination Light Assembly Connector Terminals
      G05005811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Voltage 

      TESTER CONNECTION SPECIFIED VOLTAGE CONDITION

      Tester connection Condition Specified condition
      1 - 2 Brake pedal released Below 1 V
      1 - 2 Brake pedal depressed 10 to 14 V
    3. Measure the resistance of the rear combination light according to the value(s) in the table below.

      Resistance 

      TESTER CONNECTION SPECIFIED RESISTANCE CONDITION

      Tester connection Condition Specified condition
      1 - 2 Always 317 to 347 Ω

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

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