ENGINE 1.3L QUADRAJET (90PS) 104 (v) 0.8+1.5 mm (a) CONSTRUCTION 1. Brass bush 2. Permanent magnet 3. Plastic sensor casing 4. Coil reel 5. Polar core 6. Ring gear or flywheel PIN OUT Pin Description Signal type 1 Flywheel signal (A) Frequency output 2 Flywheel signal (B) Frequency output TECHNICAL SPECIFICATIONS Winding resistance 790 Ohm +/- 20% Winding resistance 680 mH +/- 20% (f=1khz) The recommended distance (gap) between the end of the sensor and the flywheel for obtaining correct signals should be 0.8 - 1.5 mm. This distance is not adjustable. If the gap is found to be outside the tolerance limits, check the condition of the sensor and phonic wheel. The graph shows the sensor output signal in relation to the horizontal development of the fly wheel. OPERATION The changeover from full to empty determined by the presence or absence of a gap brings about a magnetic flux change sufficient to generate an induced alternating voltage proportional to the number of teeth on the ring (or phonic wheel). The frequency and amplitude of the voltage send to the electronic control unit provides the latter with an indication of the engine angular speed. C.Cam angle sensor Specifications This Hall effect sensor is fitted on the camshaft housing facing the camshafts. A tooth on the pulley allows the timing sensor to indicate engine timing position. The injection control unit uses the timing sensor signal to recognize T.D.C. at the end of the compression and during starting to synchronize the engine management control unit with the engine. The sensor is fitted by the exhaust side camshaft. 2 3 4 5 6 1
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