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)
Or, hide this message:
temporarily or
permanently
A/C Signal Circuit Check
A/C Signal Circuit CheckWiring Diagram:
Wiring DiagramCircuit DescriptionHVAC control module outputs A/C ON signal to ECM (PCM) when A/C switch turned ON and heater blower motor turned ON.
Then compressor and condenser fan are turned ON by ECM (PCM) when engine conditions are as specified.
Step 1:
Troubleshooting
