Cruise control set+ control not working
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Engine › Cruise control set+ control not working
CRUISE CONTROL SET+ CONTROL NOT WORKING
The Cruise Control system does not increase the speed when the knob is set to '+'.
For safety reasons, the Cruise Control is inhibited above a maximum speed and below a limit speed. If these speeds are exceeded, even because of a fault, the Cruise Control does not work any more
| 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 | Continue following the instructions for 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 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 knob set to 'ON and '+', 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 CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | The fault persists: control unit faulty | Replace the engine management control unit Op. 1056B82 Search for the fault starting from another symptom' | ||
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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