Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Battery Monitor Module General Electrical Failure (P058A01)

Toyota Corolla Cross (2022-2024) Service Manual / Power Source & Network / M20a-fks (battery / Charging) / Charging System / Battery Monitor Module General Electrical Failure (P058A01)

DESCRIPTION

The battery state sensor assembly detects the voltage, current and temperature of the auxiliary battery. The auxiliary battery state sensor assembly calculates State of Charge (SOC) based on the voltage and current of the auxiliary battery and sends it to the ECM. Based on the signals received, the ECM adjusts the charging voltage of the generator with regulator assembly.

The battery state sensor assembly calculates the battery temperature based on changes in resistance of a built-in thermistor and sends it to the ECM. The ECM reduces the amount of charging current based on this signal in order to protect the auxiliary battery.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

Note

P058A01

Battery Monitor Module General Electrical Failure

Any of the following conditions is met with the ignition switch to ON. (1 trip detection logic):

  • Current is 999.939 A or more, or -1000 A or less for 3.2 seconds or more.
  • The difference between the maximum and minimum current is 0.0305 A or less for 100 seconds or more.
  • A current detection circuit malfunction signal is received.
  • The battery temperature is 105°C or more or -40°C or less for 3.2 seconds or more.
  • A temperature detection circuit malfunction signal is received.
  • Voltage is 15.98 V or more, or 6.0 V or less for 3.2 seconds or more.
  • A voltage detection circuit malfunction signal is received.
  • A writing error occurs in the battery state sensor internal memory (battery identification data).
  • Battery state sensor assembly
  • Auxiliary battery
  • Wire harness or connector

Does not come on

Charge warning light: Does not come on

SAE Code: P058A
DTC Detection Conditions
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Diagnosis Condition

Ignition switch ON

○

○

○

○

○

○

Malfunction Status

Current value is 999.939 A or more

○

-

-

-

-

-

Current value is -1000 A or less

-

○

-

-

-

-

Difference between maximum and minimum current value is 0.0305 A or less

-

-

○

-

-

-

Current detection circuit malfunction signal is received

-

-

-

○

-

-

Battery temperature is 105°C or more

-

-

-

-

○

-

Battery temperature is -40°C or less

-

-

-

-

-

○

Detection Time

3.2 seconds or more

3.2 seconds or more

100 seconds or more

-

3.2 seconds or more

3.2 seconds or more

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip
DTC Detection Conditions
 

Vehicle Condition

Pattern 7

Pattern 8

Pattern 9

Pattern 10

Pattern 11

Diagnosis Condition

Ignition switch ON

○

○

○

○

○

Malfunction Status

Temperature detection circuit malfunction signal is received

○

-

-

-

-

Voltage value remains at 15.98 V or more

-

○

-

-

-

Voltage value remains at 6.0 V or less

-

-

○

-

-

Voltage detection circuit malfunction signal is received

-

-

-

○

-

writing error occurs in the battery state sensor internal memory (battery identification data)

-

-

-

-

○

Detection Time

-

3.2 seconds or more

3.2 seconds or more

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • When P162B87 (Lost Communication with Battery Monitor Module Missing Message) is output at the same time, perform the inspection for P162B87 (Lost Communication with Battery Monitor Module Missing Message) first.

    Click here

PROCEDURE

1.

CHECK BATTERY STATE SENSOR ASSEMBLY INSTALLATION CONDITION

(a) Check installation condition of the battery state sensor assembly.

NG

INSTALL THE BATTERY STATE SENSOR ASSEMBLY CORRECTLY

OK

2.

CHECK CHARGING SYSTEM

Click here

NG

REPAIR OR REPLACE CHARGING SYSTEM
OK

3.

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

(a) Check that the battery state sensor assembly connector is securely connected.

OK:

The connector is securely connected.

(b) Disconnect the battery state sensor assembly connector.

(c) Check the connector case and terminals for deformation or corrosion.

OK:

No deformation or corrosion.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

C133-3 (+B) - Body ground

Always

11 to 14 V

C133-1 (RBAT) - Body ground

Always

11 to 14 V
OK

REPLACE BATTERY STATE SENSOR ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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