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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Operational Test

A/C Functional Test:






NOTE To aid in determining whether or not the air conditioning, electrical, air, and refrigeration systems are operating properly. Refer to Functional Test for additional diagnosis. Functional Test/Check

1. Operation of the air conditioning blower at all four speeds with the (mode) button in any position except "OFF" and engagement of the compressor clutch would indicate that the electrical circuits are functioning properly. (The blower will not operate in any speed with the mode button in the "OFF" position.)
2. Operation of the A/C control selector (mode) button to distribute air from designed outlets would indicate proper functioning.