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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Window Glass & Mirrors >> Rear Window Defogger System >> Inspection >> Check With SUBARU Select Monitor
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Check With SUBARU Select Monitor

CAUTION: Before performing inspection, check whether the rear defogger operation mode setting is either in initial setting or customize setting.
  1. Check the input signal when the rear window defogger switch is operated using Subaru Select Monitor.
    1. Connect the Subaru Select Monitor.
      NOTE: For detailed operation procedures, refer to "Application help".
    2. Turn the ignition switch to ON.
    3. On «Start» display, select «Diagnosis».
    4. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».
    5. On «Main Menu» display, select «Each System».
    6. On «Select System» display, select «Body Control» and then select «Enter».
    7. On «Select Function» display, select «Data Monitor».
    8. From the data monitor item list, select «Auto A/C Setting».
    9. Check the vehicle equipment and the settings of body integrated unit.

      If correct, go to (10).

      If not correct, go to (13).

    10. From the data monitor item list, select «Rr Defogger output».
    11. Check the displayed data (ON/OFF) by operating the rear window defogger switch.
    12. On «Select Function» display, select «Customize».
    13. From the Customize item list, select «Auto A/C Setting» and match the auto A/C ECM setting to the actual vehicle equipment.
  2. Check the operation with rear window defogger switch ON.
    • When customize setting is set as "Continuous", it is normal if the 15-minute operation and 2-mnute stop repeats.
    • When customize setting is "Normal", it is normal if the operation lasts for 15 minutes and then turns OFF.
  3. When the operation in 2) above fails, replace the body integrated unit.