ENGINE 176 TEST PROCEDURE Use a d 3-½ digit Digital Multi meter (DMM) for measuring the resistance. Immerse the sensor in a water bath such that its terminals are facing upwards and out side the water level. (See fig.) Ensure that, around 50% of the hexagonal flange thickness should lie below the water. (See fig.) Boil the water and wait for 10 minutes after boiling temperature of 100 deg c is reached. This will ensure that the temperature is stabilized. Measure the resistance value with the DMM at 100 Deg C resistances of the sensor should be 199.6 +/- 9.3 Ohms. REFITMENT 1. Fit the coolant temperature sensor on upper cooling line. 2. Connect the wiring harness connector to the coolant temperature sensor. 3. Fill the coolant. 4. Fit the engine cover. 6. FUEL TEMPERATURE SENSOR (FTS) This sensor monitors the temperature of fuel entering in the HP pump. The fuel temperature sensor measures fuel temperature on the pump hydraulic head in the low pressure circuit, between the transfer pump outlet and the inlet to the HP pumping stage. This sensor information issued to modify rail pressure control, injection etc. This sensor is in built with HP Pump. LOCATION Connector Details: PIN OUT DETAIL: PIN NO DESCRIPTION 1 Fuel temperature signal 2 Fuel temperature return INSPECTION: 1. Measure the resistance between the two Fuel temperature sensor connector terminals; it should be ~1814.2 ohms at 30 degrees (Consider 30 deg as room temperature).
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