SSANGYONG KYRON 2006, Repair Manual, Page: 582 / 1105

AIR CONDITIONING SYSTEM
KYRON SM - 2005.09
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
88
6810
1. When coolant temperature 65°C and ambient temperature -10°C PTC operates (ON)
2. When coolant temperature 65 ~ 60°C and ambient temperature -10°C ~ 0°C PTC operates (ON)
3. When coolant temperature 60°C and ambient temperature 0°C ~ 5°C, PTC operates (ON)
1. When coolant temperature < 15°C, PTC is operating (ON).
2. When coolant temperature 15°C, tow conditions described below must be satisfied.
PTC “OFF” Condition
1. Air conditioner blower switch OFF
2. Ambient temperature sensor error (wiring short or open)
3. When engine cranking
4. Battery voltage is lower than 11V
5. When preheating the engine (Glow indicator “ON”)
3. PTC OPERATING PROCESS
PTC Operating (ON) Condition
The operating condition of PTC is controlled by two step.
Generally, ECU control the power relay for PTC depending on the coolant temperature and ambient tempera-
ture sensor.
1st step (Initial PTC operating condition)
2nd step (Coolant temperature: 15°C)