Fault, Fault code Possible causes, elimination, notes · Test point 40

Fault, Fault code Possible causes, elimination, notes Test point 40 Transponderpill faulty 1. Check transponderfor presence in the key. or not present 2. Replacethe transponder. Fault code 41 Test point 41 Wrong key or 1. Checktransponderfor presencein the key. wrong transponder pill Fault code 42 2. Wrong transponder -not adapted to the vehicle -teach the transponder. 3. Check the control lead for the signal converter (pin 6) to the alarm system control module plug I pin 4 for open circuit, short to ground and short to B+. Pull plug I off the alarm system control module Pull plug off the signal converter Voltmeter at alarm system control module plug I pin 4 and ground Voltmeter display: 0 V Ohmmeter at alarm system control module plug I pin 4 and ground Ohmmeter display 00.Q Ohmmeter at alarm system control module plug I pin 4 and signal converter plug pin 6 Ohmmeterdisplay: < 5 .Q 4. Check the control lead for the signal converter (pin 8) to the alarm system control module plug I pin 3 for open circuit, short to ground and short to B+. Pull plug I off the alarm system control module Pull plug off the signal converter Voltmeter at alarm system control module plug I pin 3 and ground Voltmeter display: 0 V 9001