125000461 - B01 IGNITION SWITCH NOT WORKING

When the ignition is turned ON nothing happens and the instruments do not light up. The starter motor does not turn in the (AVV) starting position.
Results of the tests
1BATTERY EFFICIENCY CHECKAll OKProblems encounteredOperation
Check the efficiency of the battery using the appropriate diagnostic equipmentMove on to Step 2Battery not working properlyReplace the battery
2FASTENINGS CHECKAll OKProblems encounteredOperation
Check that the petrol vapour recovery system is working properly

Check the following, in order:

  • Correct fastening and earth connection of the negative battery terminal
  • Correct fastening of positive battery pole and all leads connected to it
  • No oxidation of the lead fastenings
  • Correct fastening and connection between positive pole and junction with maxifuse at the battery
Move on to Step 3Lead fastenings at the battery slackTighten leads
Earth lead frayedReplace the lead    Op. 5530B22 BATTERY EARTH LEAD - R+R
Connections with slack fasteningsRestore fastenings
Maxifuse burnt outCheck the causes of the blown fuse and replace it: wiring diagram    See E1010 SUPPLY
3SUPPLY CHECKAll OKProblems encounteredOperation
Check switch power supplyMove on to Step 4The power supply does not reach the switchCheck the continuity of the wiring between the Maxifuse in the battery junction unit and the switch
7CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentFault persists: control unit defectiveReplace the control unit Op. 1056B82 Search for the problem starting from another symptom
4SWITCH CHECKAll OKProblems encounteredOperation
Check the condition of the switch and that it is working properlyMove on to Step 5Switch contacts not working properlyReplace the switch    Op. 5520A12 IGNITION SWITCH ASSEMBLY - R R FOR VERSIONS WITH AIR BAG
5CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentFault persistsSearch for the problem starting from another symptom