| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Turn
the ignition on and check that the instrument panel comes on. |
Continue to Step
1
| Instrument panel does
not light up |
Restore the connections (
See E7020 ABS
)
|
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Check
that the ASR button parameter changes state, when the ignition is
switched on (MAR) and the ASR button is held pressed for 3 seconds |
Continue to Step
4
| The parameter does not
change state |
Continue to Step
2
|
| 2 | CHECK SWITCH | 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 E7021 ASR / TCS
)
|
Continue to Step
4
| Lack of continuity | Restore connections |
| 4 | CHECK ABS CONTROL UNIT | All OK | Problems met | Operation |
|---|
| Check
that the ABS control unit is working |
Continue to Step
5
| ABS control unit faulty |
Replace ABS control unit
Op. 5080C14 |
| 5 | HECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |