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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Component Inspection

A/C Amplifier Inspection

1. Disassemble the heater control assembly.
2. Connect the NC amplifier connectors (26-pin, 22-pin, 20-pin) and information display connector.
3. Start the engine.
4. Measure the voltage at the terminals of the A/C amplifier connector and refer to the terminal voltage chart.
5. If not as specified, inspect the appropriate area.
6. If the appropriate area is correct, replace the A/C amplifier.

A/C Amplifier Terminal Voltage (Reference)