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Home >> Subaru >> 2018 >> WRX STI Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Entertainment System >> Data Communication Module >> Inspection >> Backup Battery

Backup Battery

  1. Measure the voltage between connector terminals.

    Preparation Tool: 

    Circuit tester

    G10270725
    TERMINAL NO. STANDARD
    1 (+) - 2 (-) 2 V or more
  2. Replace the backup battery if the inspection result is not within the standard value.
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