3022589 - D70 CRUISE CONTROL NOT WORKING UNDER ANY CONDITIONS

Under any conditions, the Cruise Control system controls do not work
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket.Check that there are no faults in the engine management control unitContinue to Step 2An error is detected in the control unitProceed according to the instructions of the diagnostic equipment
Lack of dialogue with the control unitRestore the connection between the management control unit and diagnostic connector: See   E5060  CRUISE CONTROL
2CHECK CRUISE CONTROL SELECTORAll OKProblems metOperation
Check that the Cruise Control contacts are working:Continue to Step 3Lack of continuityReplace the stalk unit lever with built-in Cruise Control system control Op.   5580A10 
3SUPPLY CHECKAll OKProblems metOperation
With the ignition and Cruise Control on, check that there is a voltage signal from the Cruise Control system control to the engine management control unit: See   E5060  CRUISE CONTROL Continue to Step 4No voltage foundRestore the connections: See   E5060  CRUISE CONTROL
4CHECK ON CONNECTIONSAll OKProblems metOperation
Check the electrical continuity of the wiring between junction unit, ignition switch, engine management unit and cruise control system control: See   E5060  CRUISE CONTROL Continue to Step 5Lack of continuityRestore the connections: See   E5060  CRUISE CONTROL
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present Fault persists: control unit faultyReplace the engine management control unit Op.   1056B82  Search for the fault starting from another symptom'