Cruise control not working under any conditions
- Make
- Fiat
- Model
- Idea Factory Service Manual
- Year
- 2003–2012
- Section
- Engine › Cruise control not working under any conditions
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 engine management control unit and the 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 | CHECK ON SUPPLY | 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 the junction unit, ignition switch, engine management control unit and Cruise Control system control unit. 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 |
1.2 16v 1.4 16v | Check that the fault is no longer present | End of diagnosis | The fault persists: control unit defective | Replace the engine management control unit Op. 1056B82 |
| 1.3 JTD 16v | Check that the fault is no longer present | End of diagnosis | The fault persists: control unit defective | Replace the engine management control unit Op. 1060G80 |
Parts & tools for this job For 2003 Fiat Idea
- PARTEngine gasket setSearch: Fiat Idea 2003 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.