Cruise control not working under any conditions
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Engine › Cruise control not working under any conditions
‹ Prev Engine coolant overheating signalled by the instrument / without visible vapour ventingNext › Cruise control recall control not working
Fault diagnosisCruise control not working under any conditions
CRUISE CONTROL NOT WORKING UNDER ANY CONDITIONS
Under any conditions, the Cruise Control system controls do not work
| Results of the tests | ||||
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket. Check that there are no faults in the engine management control unit | Continue to Step 2 | An error is detected in the control unit | Proceed according to the instructions of the diagnostic equipment | |
| Lack of dialogue with the control unit | Restore the connection between the management control unit and diagnostic connector: See E5060 CRUISE CONTROL | |||
| 2 | CHECK CRUISE CONTROL SELECTOR | All OK | Problems met | Operation |
| Check that the Cruise Control contacts are working: | Continue to Step 3 | Lack of continuity | Replace the stalk unit lever with built-in Cruise Control system control Op. 5580A10 | |
| 3 | SUPPLY CHECK | All OK | Problems met | Operation |
| 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 4 | No voltage found | Restore the connections: See E5060 CRUISE CONTROL | |
| 4 | CHECK ON CONNECTIONS | All OK | Problems met | Operation |
| 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 5 | Lack of continuity | Restore the connections: See E5060 CRUISE CONTROL | |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | Fault persists: control unit faulty | Replace the engine management control unit Op. 1056B82 Search for the fault starting from another symptom' | ||
‹ Prev Engine coolant overheating signalled by the instrument / without visible vapour ventingNext › Cruise control recall control not working
Parts & tools for this job For 2000 Alfa Romeo 147
- PARTEngine gasket setSearch: Alfa Romeo 147 2000 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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