| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the brake node: in error environment- that there are no faults;
in parameters ambient- the plausibility of all the parameters
| Move on to Step | Presence of errors in the control unit | Continue following the instructions for the diagnostic equpiment |
| 2 | SWITCH CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the operation of the ASR switch checking that there is a short circuit with the button pressed and an open circuit with the button released | Move on to Step | Switch defective | Replace the switch |
| 3 | ELECTRICAL SYSTEM CHECK. | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the continuity/insulation of the ASR switch connections (Wiring Diagram ) E7021 ASR / TCS | Move on to Step | No continuity/insulation | Ripristinare corretti collegamenti (Wiring Diagram ) E7021 ASR / TCS |
| 4 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | | | |