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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Wireless Charging System (Except Hybrid) - Diagnostics & Circuit Tests) >> WIRELESS CHARGING SYSTEM (for Gasoline Model) >> Wireless Charger Power Source Circuit [06/2018 - 09/2022] >> Procedure

Wireless Charger Power Source Circuit [06/2018 - 09/2022]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Lexus ES 350, 2022 Lexus ES 250, 2021 Lexus ES 350, 2021 Lexus ES 250, and 2020 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (MOBILE WIRELESS CHARGER CRADLE ASSEMBLY POWER SOURCE) 
    1. Disconnect the H8 mobile wireless charger cradle assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H8-1 (PGND) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      H8-6 (B+) - Body ground Always 11 to 14 V
      H8-5 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [06/2018 - 09/2022]  

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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