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Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Sub Battery System - Diagnostic Codes & Circuit Tests >> Sub Battery System >> DTC B22E3: Sub Battery Module State of Charge (Overcharge) [12/2017 - 10/2023] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs.

    Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and Techstream on.
  6. Start the engine and run it at idle for at least 5 minutes.
  7. Enter the following menus: Body Electrical / Sub Battery Module / Trouble Codes.
  8. Check the DTC.

    Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

    HINT: 

    If a DTC is output, the system is malfunctioning.