Revotron 1.2T 153 vi. Coolant Temperature Sensor : Component Details : The temperature sensing circuit uses Thermistor that is sensitive to change in temperature. It has basically the NTC (Negative Temperature Coefficient) means as the temperature increases, the resistance decreases. Component Location : Coolant temperature sensor is mounted on thermostat housing (before thermostat), which is in contact with the engine coolant and tightened to a specified torque. Preliminary Checks : 1. Loose/ Damaged Connections between Sensor and EMS ECU. 2. Check for back out of pins at both Sensor connector and ECU connector. 3. Check for damage of pins at both sensor connector and ECU connector. 4. Check the continuity from sensor connector pins to the ECU pins. Circuit Schematic Diagram : Connector Information : Con ID Wire ID Color Size Material Option 1 342 R/G 0.50 FLRYB (AD) 2 462 BR/W 0.50 FLRYB (AD)
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