2021 Lexus LC 500hFACTORY OEM SERVICE PROCEDURE

On-Vehicle Inspection [01/2017 - ]: 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.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY778919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage not applied between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY778919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT ELECTRONIC DRIVER UNIT RELAY (EDU RELAY) 
    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 between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY778919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT AIR FUEL RATIO SENSOR HEATER RELAY (A/F HTR RELAY) 
    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 between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY778919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSPECT NO. 1 IGNITION RELAY (IG1) 
    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 between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY778919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSPECT NO. 2 IGNITION RELAY (IG2 NO. 2) 
    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 between terminals 1 and 2 10 kΩ or higher
      Battery voltage applied between terminals 1 and 2 Below 1 Ω
      GTY778919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY (IG2 D RELAY) 
    GTY802605Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Component without harness connected
    (Driver Side Junction Block Assembly)    		 - -
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3E-1 - 3B-26 Battery voltage not applied between terminals 3B-18 and 3B-6 10 kΩ or higher
      Battery voltage applied between terminals 3B-18 and 3B-6 Below 1 Ω
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