| Component Location |

| 1. IBU 2. Start button 3. Interior antenna 2 4. Bumper antenna |
5.Interior antenna 1 6. ESCL 7. Door outside handle antenna |
Circuit Diagram (1)
Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature. 1. Ambient Sensor (+) 2.
Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.