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SUB BATTERY SYSTEM, Diagnostic DTC:B22E2

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DTC Code DTC Name
B22E2 Sub Battery Module State of Charge (Overdischarge)
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DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
B22E2 Sub Battery Module State of Charge (Overdischarge)

This DTC is stored when a malfunction is detected caused by over-charging against the battery capacity of the sub-battery.

(1 trip detection logic)

 Charging system Does not come on DTC stored
Tip:

The details of a DTC can be checked by using the DTC Sub Code of the freeze frame data that was recorded when the DTC was output.

DTC Sub Code Detail
"28" Value of Sub Battery Module State of Charge decreased
*a Sub-battery Module Assembly - - *1 Sub-battery (Hi) *2 Sub-battery (Low) *3 Sub-battery - -
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Tip:

Read freeze frame data using the GTS. Freeze frame data records the sub-battery module assembly condition when malfunctions are detected.

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PROCEDURE


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    INSPECT CHARGING SYSTEM


    1. Inspect charging system.

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      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE CHARGING SYSTEM

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    CHARGE SUB-BATTERY MODULE ASSEMBLY


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Clear the DTCs.


      1. Body Electrical > Sub Battery Module > Clear DTCs


    5. Turn the power switch off and wait for at least 30 seconds.

    6. Turn the power switch on (IG) and turn the GTS on.

    7. Put the engine in Inspection Mode (2WD for measuring Exhaust Gas).

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    8. Enter the following menus: Body Electrical / Sub Battery Module / Data List / Sub Battery Module State of Charge.


      1. Body Electrical > Sub Battery Module > Data List
        Tester Display
        Sub Battery Module State of Charge




    9. Start the engine and while idling, perform charging until the "Sub Battery Module State of Charge" reaches at least 20%*.

      Tip:

      *: Depending on the current charge of the sub-battery, it may take more than 30 minutes for the SOC (State of Charge) to reach 20% or more.

      Result
      Proceed to
      NEXT

    • NEXT

      END