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HVAC System (Diagnostics): General Description: Caution

  1. Never connect the battery in reverse polarity. 
    • Doing so may immediately damage the A/C control panel.
  2. Do not disconnect the battery cables 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 control panel etc.
  3. Before disconnecting the connectors of sensors and the A/C control panel, be sure to turn off the ignition switch. 
    • A/C control panel may be damaged.
  4. Every A/C-related part is a precision part. Do not drop them. 
  5. Airbag system harness is routed near the A/C control panel and junction box. 
CAUTION:
  • Do not use electrical test equipment on the airbag system harness and connector.
  • Be careful not to damage the airbag system harness when servicing the A/C control panel and junction box.
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