Asr function will not go off
- Make
- Lancia
- Model
- Ypsilon Factory Service Manual
- Year
- 2003–2011
- Section
- Braking system › Asr function will not go off
Fault diagnosisAsr function will not go off
ASR FUNCTION WILL NOT GO OFF
When the ASR function deactivation button is pressed, the LED does not light up and the function is not deactivated
| Results of the tests | ||||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
Connect an Examiner to the tester input and check the brake node for the following in error modes:
in parameters ambient:
| Continue to Step 4 | There are errors in the control unit | Continue according to the instructions for the diagnostic equipment | |
| The parameter does not change state | Continue to Step 2 | |||
| 2 | SWITCH CHECK | All OK | Problems met | Operation |
| Check that the ASR switch is working | Continue to Step 3 | Faulty switch | Replace ASR switch Op. 3350A10 | |
| 3 | CHECK SWITCH CONNECTIONS | All OK | Problems met | Operation |
| Check the continuity of the ASR switch circuit See E7020 ABS | Continue to Step 4 | Lack of continuity | Restore the connections See E7020 ABS | |
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
Check that the fault is no longer present The test is essential, as the braking system is a safety feature of the car | End of diagnosis | Fault persists | Change the brake system control unit | |
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