SUB BATTERY SYSTEM, Diagnostic DTC:B22E5

DTC Code DTC Name
B22E5 Sub Battery Module Low Voltage

DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
B22E5 Sub Battery Module Low Voltage

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

(1 trip detection logic)

 Charging system Does not come on DTC stored

Tech Tips

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
"29" Difference between VL01 Voltage and VL03 Voltage is less than 8.0 V

WIRING DIAGRAM

B006G6OC02
*a Sub-battery Module Assembly - -
*1 Sub-battery (Hi) *2 Sub-battery (Low)
*3 Sub-battery *4 Voltage detection circuit
*5 CPU - -

CAUTION / NOTICE / HINT

Tech Tips

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

PROCEDURE


  1. INSPECT CHARGING SYSTEM


    1. Inspect charging system.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE CHARGING SYSTEM

    OK

  2. CHARGE SUB-BATTERY MODULE ASSEMBLY


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Clear the DTCs.


      Body Electrical > Sub Battery Module > Clear DTCs

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

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

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


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

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

      Tech Tips

      *: 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