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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Entertainment System) >> Data Communication Module >> Removal >> Backup Battery
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Backup Battery

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY
  2. Remove the data communication module. Ref. to ENTERTAINMENT & MONITORING>DATA COMMUNICATION MODULE>REMOVAL>DATA COMMUNICATION MODULE 
  3. Remove the backup battery.
    1. Using TORX® T10, remove the cap screw, and then remove the battery cover.
    2. Disconnect the connector and remove the backup battery.
      G13201890Courtesy of SUBARU OF AMERICA, INC.
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