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82A HORN - ENGINE IMMOBILISER 82A - 21 DIAGNOSTIC – FAILURES AND STATES INTERPRETATION 1. FAILURE OF COMUNICATION CLIP TESTER/ E.C.U. DECODER RECOMMENDATION Check if the lines K and L are not disturbed by another computer Check the fuse state F15 (vehicles up to 01.06.2001) or F07 (vehicles after 01.06.2001). Check if the CLIP tester is not the cause of the failure; check if the tester communicates with Measure the tension of the vehicle’s battery (U> 10,5V). If necessary, charge the battery. - presence of the ground at pin A8 of the E.C.U. decoder Be sure that the diagnostic socket is proper supplied, according to the circuit diagram. If the connection tester CLIP – E.C.U. decoder can’t be established, then replace the decoder. { } After establishing the communication with the tester, fix the AFTER REPAIRING possible failures. DIAGNOSTIC |