| | TEST RESULTS |
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Connect the Examiner or Examiner Plus diagnostic equipment to the diagnostic socket and check:- That there are no faults in the instrument panel;- That there are no faults in the Engine Management Control Unit. | Move on to Step 2. | Presence of faults in the instrument panel; presence of faults in the Engine Management Control Unit. | Continue following the instructions for the diagnostic equipment |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Keeping the Examiner or Examiner Plus diagnostic equipment connected to the diagnostic socket, check the operation of the warning light in active diagnosis. | Move on to Step 3. | 1.Warning light does not work.2.Warning light operational - pressure sensor defective.3. Pressure sensor wiring defective | 1.Replace instrument panel Op. 5560B10 CONTROL PANEL - R+R 2. Replace pressure sensor. Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R 3.Restore the correct wiring. |
| 3 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | Move on to Step 4. | The fault persists. | Replace body computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |
| 4 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present. | End of diagnosis | The fault persists. | Replace the Engine Management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R |