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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A/C Signal: Testing and Inspection
Wiring Diagram:
Circuit DescriptionECM (PCM) outputs A/C ON signal (one of the signals for A/C control module to control the A/C) to A/C control module when A/C switch signal inputted to ECM (PCM) and engine conditions are specified.
Step 1 - 2:
Troubleshooting
