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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temporarily or
permanently
A/C Signal: Testing and Inspection
1.
Connect a voltmeter between terminals 33 and 35 of the injection
control unit plug.
2.
With A/C OFF, and ignition ON, 0 volts should be available.
3.
With A/C in AUTO or BI-LEVEL, battery voltage should be available and compressor clutch should become engaged.
4.
If voltages are not correct, repair wiring.