| Component Location |

| 1. Engine room junction block |

| 1. Smart junction block (SJB) | 2. ICM relay block |
Component LocationEngine Room Junction BlockE/R Junction BlockCircuit (E/R Junction Block)Metal Core Block (PCB)PCB BlockCircuit (PCB Block)
DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the 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 hybrid engine.
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