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On-Vehicle Inspection [10/2015 - ]: Procedure

  1. INSPECT HEADLIGHT RELAY (for LED Headlight) 
    1. Inspect the headlight relay (H-LP relay).
      GTY368555Courtesy 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
        3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ or higher
        Battery voltage applied to terminals 1 and 2 Below 1 Ω

        If the result is not as specified, replace the headlight relay.

  2. INSPECT HEADLIGHT DIMMER RELAY 
    1. Inspect the headlight relay (DIMMER relay).
      GTY368555Courtesy 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
        3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ or higher
        Battery voltage applied to terminals 1 and 2 Below 1 Ω

        If the result is not as specified, replace the headlight dimmer relay.

  3. INSPECT FOG LIGHT RELAY 
    1. Inspect the fog light relay (FOG FR relay).
      GTY377620Courtesy 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
        3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ or higher
        Battery voltage applied to terminals 1 and 2 Below 1 Ω

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

  4. INSPECT RUNNING LIGHT RELAY 
    1. for Halogen Headlight:

      Inspect the DRL module.

      GTY364325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check for pulses according to the value(s) in the table below.

        Standard

        Tester Connection Condition Specified Condition
        1 (HLOR) - Negative (-) battery terminal Positive (+) lead of battery connected to terminal 6 (+B) and negative (-) lead connected to terminals 2 (DRLS) and 3 (E) Pulse generation
        5 (HLOL) - Negative (-) battery terminal

        If the result is not as specified, replace the DRL module.

    2. for LED Headlight:

      Inspect the running light relay (DRL relay).

      GTY377620Courtesy 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
        3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ or higher
        Battery voltage applied to terminals 1 and 2 Below 1 Ω

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

  5. INSPECT STOP LIGHT RELAY 
    1. Inspect the stop light relay (STOP LP relay).
      GTY540041Courtesy 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
        3 - 4 Battery voltage is not applied to terminals 1 and 2 Below 1 Ω
        Battery voltage is applied to terminals 1 and 2 10 kΩ or higher
        3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher
        Battery voltage is applied to terminals 1 and 2 Below 1 Ω

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

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