DTC P058A-01: Auxiliary Battery Monitor Module Range/Performance [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK BATTERY STATE SENSOR ASSEMBLY INSTALLATION CONDITION
Result:
NG
INSTALL BATTERY STATE SENSOR ASSEMBLY CORRECTLY. Refer to INSTALLATION [11/2021 - ]
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- 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 G29-3 (+B) - Body ground Ignition switch off 11 to 14 V G29-1 (RBAT) - Body ground Ignition switch off 11 to 14 V Result
Proceed to OK NG
Result:
OK
REPLACE BATTERY STATE SENSOR ASSEMBLY. Refer to REMOVAL [11/2021 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY STATE SENSOR ASSEMBLY - AUXILIARY BATTERY)
- Check that the battery state sensor assembly connector is securely connected.