| | Results
of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Turn
the key to the ON position and check that the I.E and CODE lights
come on for the start-up test | The I.E light should come on for
about 4 seconds and then switch off, while the CODE light should
come on for about 1 second and the switch off. |
Check - that the inertia switch has not been operated;
- the state of the spark plugs and leads;
- that there are no obstructions in the catalytic converter;
- that there is no water in the fuel
| Continue to Step 1 | that the I.E light remains
on | See table K50 I.E. FAILURE WARNING LIGHT ON |
| Both lights remain on | See table K51 I.E. WARNING AND CODE WARNING LIGHT BOTH ON |
| The code light remains on | See table K52 CODE FAILURE WARNING LIGHT ON |
| The I.E light does not cary out the start-up test | See table K53 I.E. FAILURE WARNING LIGHT OFF |
| The CODE light does not carry out the start-up test | See table K54 CODE WARNING LIGHT OFF (INITIAL TEST NOT CARRIED OUT) |
| The warning lights do not do the initial test | See table K49 I.E. FAILURE WARNING LIGHT AND CODE WARNING LIGHT BOTH OFF |
| Operation of inertia switch | Restore correct operation |
| Spark plugs dirty or worn | Replace the spark plugs Op. 5510D10 |
| Spark plug leads damaged | Replace the cables |
| Catalytic converter's obstructed | Replace catalytic converter/s |
| Water in the carburettor | Clean the tank |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
the diagnostic equipment (Examiner or other instruments) to the
diagnostic socket check - for errors in the control unit
- plausibility of all the parameters
| Continue to Step 2 | An error is detected in
the control unit | Continue following the instructions for the diagnostic
equipment |
| unreliable parameters | Continue following the instructions for the diagnostic
equipment |
| 2 | ACTIVE TESTING OF FUEL PUMP | All OK | Problems met | Operation |
|---|
| Carry
out active testing of fuel pump and check if it is working properly | Continue to Step 4 | Pump not working | Continue to Step 3 |
| 3 | CHECK PETROL PUMP ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Check
the petrol pump supply and earth See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT | Continue to Step 4 | Connections not correct | Restore the connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT |
| Pump faulty | Replace petrol pump Op. 1040A70 |
| 4 | DELIVERY PRESSURE CHECK | All OK | Problems met | Operation |
|---|
| Check
that the fuel pressure is correct Op. 0510C10 | Continue to Step 5 | Pressure not correct | Eliminate any obstructions
in the pipes If necessary, replace the pump assembly Op. 1040A70 |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists: control
unit faulty | Replace control unit Op. 1056B82 |