Operation CHARM: Car repair manuals for everyone.
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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Mode Check

MODE CHECK

Error Diagnostics:




In turning on IG and selecting mode switch, sequential operation begins in order of Vent -> Bi-level -> Blower -> Mix. DIP mode works regardless of order at selecting it. In selecting Vent mode as mode switch, GND (0 V) is supplied for FATC connector A-14 (Vent) terminal. Voltage of 9 V and more is set in the rest terminal A-15 (DEF) and motor drive IG in mode actuator which receives the signal, works in direction of vent mode setup. Vent, Built-in-level, Blower, Mix and Defrost mode can be selected in the method described.