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Section 158 (Automatic HVAC - Diagnostics): General Description: Caution

WARNING: This page is about a different car, the 2003 Subaru Outback and 2003 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
  1. Never connect the battery in reverse polarity.
    • The auto A/C control module may be destroyed instantly.
  2. Do not disconnect the battery terminals while the engine is running.
    • A large counter electromotive force will be generated in the alternator, and this voltage may damage electronic parts such as A/C control module.
  3. Before disconnecting the connectors of each sensor and the A/C control module, be sure to turn off the ignition switch.
    • Otherwise, the Auto A/C control module may be damaged.
  4. Every auto 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 (A/C control module) and junction box.
CAUTION:
  • All airbag system wiring harness and connectors are colored yellow. Do not use electrical test equipment on these circuits.
  • Be careful not to damage Airbag system wiring harness when servicing the A/C control panel (A/C control module) and junction box.
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