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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 B2300: Disconnection between Auxiliary Battery and Sub Battery Module [12/2017 - 10/2023] >> Confirmation Driving Pattern

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 and turn the Techstream on.
  6. Start the engine and wait for at least 3 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.

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