
AIR CONDITIONING SYSTEM
KYRON SM - 2005.09
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
86
6810
1. OVERVIEW
The supplementary electrical heater is installed in DI engine equipped vehicle as a basic equipment. The PTC system
is operated according to two temperature values measured at the coolant temperature sensor and HFM sensor.
This device is mounted in the heater air outlet and increase the temperature of air to the passenger compartment.
Because PTC system is heated by electrical power, high capacity alternator is required. (Alternator of 12V 75A/
90A has changed to 12V 140A)
Non-operational Condition - During engine cranking
- When too low battery voltage (Below 11V)
- During preheating process of glow plugs
PTC Relay and Fuse
PTC (Relay 2)
PTC Heater 1 (40A)
PTC (POSITIVE TEMPERATURE COEFFICIENT) SYSTEM
PTC Heater 3 (40A)
PTC Heater 2 (40A)
PTC Ground
* The ground ring terminal should be
secured as shown in below figure.
Tightening torque: 6 ~ 10 Nm
Mounting bolt
Earth plate
PTC earthling
terminal
PTC Assembly
Engine ECU
PTC (Relay 1)
Summary of Contents for KYRON 2006
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