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CHANGED BY EFFECTIVE DATE AFFECTED VIN 32 FFH & PTC STAVIC - 2004.09 3B PTC (POSITIVE TEMPERATURE COEFFICIENT) SYSTEM 1. GENERAL INFORMATION The supplementary electrical heater is installed in D27DT engine equipped vehicle as a basic equipment. The PTC This device is mounted in the heater air outlet and increase the temperature of air to the passenger room. Because PTC system is heated by electrical power, high capacity alternator is required. (Alternator of 12V 75A/90A has Non-opeational Condition - During engine cranking - When too low battery voltage (Below 11V) - During preheating process of glow plugs PTC Assembly Engine ECU ○ ○ ○ ○○○○○○○○○ ○○○○○○○○○ ○ PTC Relay |