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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Auto Ac) (Diagnostics) >> General Description >> Caution

HVAC System (Auto Ac) (Diagnostics): General Description: Caution

  1. Never connect the battery in reverse polarity.
    • Doing so may immediately damage the A/C CM.
  2. Do not disconnect the battery terminals while the engine is running.
    • A large counter electromotive force will be generated in the generator, and this voltage may damage electronic parts such as A/C CM etc.
  3. Before disconnecting the connectors of sensors and the A/C CM, be sure to turn off the ignition switch.
    • A/C CM may be damaged.
  4. Every A/C-related part is a precision part. Do not drop them.
  5. Airbag system wiring harness is routed near the A/C control panel and junction box.
    CAUTION:
    • Do not use electrical test equipment on the airbag system wiring harness and connector.
    • Be careful not to damage the airbag system wiring harness when servicing the A/C control panel and junction box.
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