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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A/C Signal: Testing and Inspection
1.
Attach positive probe of voltmeter to No. 10 blue/red terminal and negative probe to No. 32 black terminal of
control unit connector.
2.
Start engine and ensure compressor and cooling fan operate with blower and A/C switches on.
3.
Check voltage. If there is voltage, check for continuity between A/C switch wire terminal and
control unit blue/red wire terminal.