Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Function Test - HVAC System - Manual

As an aid in determining whether or not the following are operating properly, refer to the System Performance table:
- The Air Conditioning (A/C)
- Electrical
- Air
- The refrigeration systems
Testing and Inspection

1. The operation of the air conditioning (A/C) blower at all 4 speeds, in any position except the OFF position, and the engagement of the compressor clutch indicate that the electrical circuits are functioning properly.
2. The operation of the A/C control selector and the distribution of air from the designated outlets indicates proper functioning.