2398747 - 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 engine management control unit and the diagnostic connector See   E5060  CRUISE CONTROL
2CHECK CRUISE CONTROL SELECTORAll OKProblems metOperation
Check that the Cruise Control contacts are workingContinue to Step 3Lack of continuityReplace the stalk unit lever with built-in Cruise Control system control Op.   5580A10 
3CHECK ON SUPPLYAll 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 the junction unit, ignition switch, engine management control unit and Cruise Control system control unit. See   E5060  CRUISE CONTROL Continue to Step 5Lack of continuityRestore the connections See   E5060  CRUISE CONTROL
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
1.2 16v 1.4 16vCheck that the fault is no longer presentEnd of diagnosisThe fault persists: control unit defectiveReplace the engine management control unit Op.   1056B82 
1.3 JTD 16vCheck that the fault is no longer presentEnd of diagnosisThe fault persists: control unit defectiveReplace the engine management control unit Op.   1060G80