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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Control Assembly: Testing and Inspection
Heater Control Unit Inspection 1.
Remove the switch panel.
2.
Measure the voltage at each terminal of the heater control unit connectors and fan switch connector.
3.
If the measurement voltage is incorrect, check the related components and wiring harnesses.
If the related components and wiring harness are OK, replace the heater control unit.
