Cruise control set+ control not working
- Make
- Alfa Romeo
- Model
- GT Factory Service Manual
- Year
- 2003–2010
- 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 +.
Warning: 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 | |||
| 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. | |
| 3 | CHECK ON SUPPLY | All OK | Problems met | Operation |
With the ignition ON and the Cruise Control ON and at +, check that there is a voltage signal from the Cruise Control system to the engine management control unit: See | Continue to Step 4 | No voltage found | Restore the connections See | |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| 1.9 JTD 16V | Check that the fault is no longer present | End of diagnosis | Fault persists: control unit defective | Replace the engine management control unit Op. |
2.0 JTS 3.2 V6 | Check that the fault is no longer present | End of diagnosis | Fault persists: control unit defective | Replace the engine management control unit Op. 1056B82 |
Parts & tools for this job For 2003 Alfa Romeo GT
- PARTEngine gasket setSearch: Alfa Romeo GT 2003 engine gasket set
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- TOOLFeeler gauge setSearch: feeler gauge set
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