FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Control Assembly: Testing and Inspection

DEFROST LOGIC




1. IG ON/OFF logic

NOTE:
Memory function
- When moving blower switch off to on, A/C and intake are changed to previous status.
- At initial the battery on, the A/C is off and the intake is changed to fresh status.
- At blower switch off, the intake is changed to fresh status.




2. Defrost, Floor - defrost logic

NOTE: The intake button enables to change the intake status at defrost and floor - defrost mode.
The A/C button enables to change the A/C ON/OFF at defrost and floor - defrost mode.
Be impossible to enter defrost and floor - defrost logic again as defrost floor - defrost changing.

3. Dissolution & Reinstatement of logic
1. Turn off the blower switch.
2. Move to defrost mode.
3. Press the intake button more than 5 times within 3 seconds.
4. Indicator of intake button is flashed 3 times.
5. Dissolution & reinstatement of logic is completed.
6. A/C and intake status are initialized to "A/C off" and "fresh status"

NOTE: When the battery happens to be disconnected or discharged, the logic is reinstated.