SUB BATTERY SYSTEM, Diagnostic DTC:B22F1

DTC Code DTC Name
B22F1 Sub Battery Module Backup Relay Stuck Open

DESCRIPTION

Refer to DTC B22F0.

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B000X6FE02
DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
B22F1 Sub Battery Module Backup Relay Stuck Open

This DTC is stored when the backup relay is stuck open.

(1 trip detection logic)

Backup relay Comes 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
"37" Backup relay is continuously stuck closed for 2 seconds
"3A" Backup relay control is continuously not possible for 60 seconds

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. REPLACE BACKUP RELAY


    1. Replace the backup relay.

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      Result
      Proceed to
      NEXT

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