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On-Vehicle Inspection [12/2024 - ]: Procedure

  1. INSPECT NO. 1 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI MAIN NO. 1) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY776398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the No. 1 electronic fuel injection main relay (EFI MAIN NO. 1).

  2. INSPECT NO. 2 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI MAIN NO. 2) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY447534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the No. 2 electronic fuel injection main relay (EFI MAIN NO. 2).

  3. INSPECT NO. 3 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI MAIN NO. 3) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY751946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the No. 3 electronic fuel injection main relay (EFI MAIN NO. 3).

  4. INSPECT ELECTRONIC DRIVER UNIT RELAY (EDU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY776398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the electronic driver unit relay (EDU).

  5. INSPECT INJECTOR RELAY (IGT/INJ MAIN) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY751946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the injector relay (IGT/INJ MAIN).

  6. INSPECT IGP RELAY (IGP NO. 1) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY751946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the IGP relay (IGP NO. 1).

  7. INSPECT NO. 2 IGP RELAY (IGP NO. 2) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY751946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the No. 2 IGP relay (IGP NO. 2).

  8. INSPECT NO. 3 IGP RELAY (IGR NO. 3) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY751946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the No. 3 IGP relay (IGR NO. 3).

  9. INSPECT NO. 4 IGP RELAY (IGR NO. 4) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY751946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher kΩ
      3 - 5 Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω Ω

      If the result is not as specified, replace the No. 4 IGP relay (IGR NO. 4).

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