HVAC System (Auto A/C) (Diagnostics)

CAUTION

1. Never connect the battery in reverse polarity.
- 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 generator, and this voltage may damage electronic parts such as auto A/C control module, etc.
3. Before disconnecting the connectors of each sensor and the auto A/C control module, be sure to turn off the ignition switch.
- Auto A/C control module 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:
- For airbag system, yellow-colored wiring harness and connectors are all used. Do not use the electrical test equipment on these circuits.
- Be careful not to damage the airbag system wiring harness when servicing the A/C control panel and junction box.