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On-Vehicle Inspection [12/2015 - ]: Procedure

  1. INSPECT STOP LIGHT SWITCH ASSEMBLY (for LED Type Stop Light) 
    1. Disconnect the connector from the stop light switch assembly.
    2. Inspect the voltage.
      1. Measure the voltage according to the value(s) in the table below.
        GTY729156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Front view of wire harness connector
        (to Stop Light Switch Assembly)

        Standard Voltage

        Tester Connection Switch Condition Specified Condition
        A59-1 (B) - A59-3 (GND) Ignition switch off 11 to 14 V
        A59-5 (B) - A59-3 (GND) Ignition switch ON (IG) 11 to 14 V

        If the result is not as specified, replace the stop light switch assembly.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      A59-3 (GND) - Body ground Always Below 1 Ω
    4. Reconnect the connector to the stop light switch assembly.
    5. Inspect the voltage.
      1. Measure the voltage according to the value(s) in the table below.
        GTY726734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Component with harness connected
        (Stop Light Switch Assembly)

        Standard Voltage

        Tester Connection Switch Condition Specified Condition
        A59-2 (L) - A59-3 (GND) Ignition switch off, brake pedal not depressed Below 1 V
        A59-2 (L) - A59-3 (GND) Ignition switch off, brake pedal depressed 11 to 14 V

        If the result is not as specified, replace the stop light switch assembly.

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