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
Control Module HVAC: Testing and Inspection
Terminal Identification:
Input Test Chart:
DELAY CONTROL UNIT TROUBLESHOOTING 1.
Disconnect the 6 pin connector.
2.
Start the engine.
3.
Turn A/C switch and heater fan switch ON.
4.
Perform tests as described in the chart.