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SUB BATTERY SYSTEM, Diagnostic DTC:B22E4

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DTC Code DTC Name
B22E4 Sub Battery Module High Voltage
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DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
B22E4 Sub Battery Module High Voltage

This DTC is stored when the voltage of the sub-battery is higher than standard value continuously for 10 seconds.

(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
"2B" Difference between VL01 Voltage and VL03 Voltage is more than 16.5 V
*a Sub-battery Module Assembly - - *1 Sub-battery (Hi) *2 Sub-battery (Low) *3 Sub-battery *4 Voltage detection circuit *5 CPU - -
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WIRING DIAGRAM

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CONFIRMATION DRIVING PATTERN


  1. Connect the GTS to the DLC3.

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

  3. Clear the DTCs.

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

  5. Turn the power switch on (IG) and GTS on.

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

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  7. Start the engine and run it at idle for at least 5 minutes.

  8. Enter the following menus: Body Electrical / Sub Battery Module / Trouble Codes.

  9. Check the DTC.

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    Tip:

    If a DTC is output, the system is malfunctioning.

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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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    CHECK DTC OUTPUT


    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. Start the engine and run it at idle for at least 5 minutes.

    9. Enter the following menus: Body Electrical / Sub Battery Module / Trouble Codes.


      1. Body Electrical > Sub Battery Module > Trouble Codes


    10. Check that DTCs are not output.

      Result
      Proceed to
      NEXT

    • NEXT

      END