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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Battery / Charging System (T24A-FTS) - Diagnostic Codes & Symptom Tests) >> CHARGING SYSTEM (for 1Motor-HEV Model) >> DTC P058A-01: Auxiliary Battery Monitor Module Range/Performance [09/2023 - ] >> Procedure

DTC P058A-01: Auxiliary Battery Monitor Module Range/Performance [09/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC OUTPUT 
    1. Read the DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      P162B-87 is not output A
      P162B-87 is output B

    Result: 

    GO TO DTC P162P-87. Refer to  DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [09/2023 - ]  

    Result: 

    See step  2

  2. CHECK BATTERY STATE SENSOR ASSEMBLY INSTALLATION CONDITION 

    HINT: 

    Refer to INSTALLATION [09/2023 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    INSTALL BATTERY STATE SENSOR ASSEMBLY CORRECTLY. Refer to  INSTALLATION [09/2023 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 

    HINT: 

    Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [09/2023 - ]

    Pre-procedure1

    • Turn the ignition switch off.
    • Check that the battery state sensor assembly connector is securely connected.

      OK

      The connector is securely connected.

    • Disconnect the battery state sensor assembly connector.
    • Check the connector case and terminals for deformation or corrosion.

      OK

      No deformation or corrosion.

    • Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition Result
      I23-3 (+B) - Body ground Ignition switch off 11 to 14 V V
      I23-1 (RBAT) - Body ground Ignition switch off 11 to 14 V V

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None

    Result: 

    OK 

    REPLACE BATTERY STATE SENSOR ASSEMBLY. Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY STATE SENSOR ASSEMBLY - AUXILIARY BATTERY)