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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Defogging Logic

DEFOGGING LOGIC




1. IG-ON Logic




2. D/H, Def logic
- Enable to select A/C on/off & Intake switch and A/C button indicator on/off but A/C output is always on at D/H, Def mode.
- Be impossible to enter D/H, Def logic again as D/H <-> Def changing.




3. DISSOLUTION & REINSTATEMENT OF LOGIC
1. Turn off the blower switch
2. Move to def mode
3. Push rec button 5 times or more within 3 seconds
4. Indicator of recirculation button is flashed 3 times
5. Completes of logic dissolution & reinstatement of function
6. A/C & intake status is initialized to "A/C off" and "Intake Fresh"

4. Logic after dissolution
5. When the battery happens to be disconnected or discharged, the defog logic is reinstated.