ENGINE 1.3 QUADRAJET (75PS) 93 PIN_OUT Pin Description Signal type 1 Power supply 5 V input 2 Earth Earth 3 Sensor output Analogue output E. ENGINE COOLANT TEMPERATURE SENSOR SPECIFICATIONS It is fitted to the thermost at and detects coolant temperature by means of an NTC thermistor with negative resistance coefficient. Fig. 182 SPECIFICATIONS Temperature (°C) Resistance (Kohm) - 40 48.80 - 30 27.41 - 20 15.97 - 10 9.62 0 5.97 10 3.81 20 2.50 30 1.68 40 1.15 50 0.81 60 0.58 70 0.42 80 0.31 90 0.23 100 0.18 110 0.14 120 0.11 130 0.08 F. FUEL PRESSURE SENSOR SPECIFICATIONS It is fitted at the end of the of the single fuel manifold rail and its function is to provide the injection control unit with a feedback signal to enable it to : - modulate the injection pressure; - regulate the fuel injection duration. The sensor receives a direct supply from the engine management control unit of 5 V. The output voltage varies in a linear fashion between 0.5 V (0 bar) and 4.5 V (1500 bar) Pin out Pin Description Signal type 1 Earth Earth 2 Sensor output Analogue output 3 Power supply 5 V input G. ACCELERATOR PEDAL POTENTIOMETER CONSTRUCTION SPECIFICATIONS The sensor is secured to the accelerator pedal; inside it contains an axially-located shaft connected to two potetiometers : a main one and one safety one. Acoil spring on the shaft ensures the correct amount of resistance to pressure while a second spring ensures return following release. The redundant signal reading makes it possible to continuously monitor the plausibility of the readings in order to guarantee complete safety whilst driving even if there is a failure.
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