| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that the air intake/vacuum circuit is working properly | Move on to Step 1 | Intake system not sealed | Restore the correct seal |
| 1 | ERROR CHECK | All OK | Problems encountered | Operation |
|---|
| Check for the presence of any faults by connecting to the engine management control unit using the Examiner | Move on to Step 2 | Presence of errors | Continue as instructed by the diagnostic equipment |
| 2 | IGNITION SYSTEM CHECK | All OK | Problems encountered | Operation |
|---|
| Inspect the spark plugs and check they are working properly. Check the operation of the ignition coils by carrying out the See Test 5510CI IGNITION COIL OPERATION CHECK, the See Test 5510CE IGNITION CONTROL SIGNAL CHECKand the See Test 5510OA IGNITION COIL RESISTANCE CHECK | Move on to Step 3 | 1. Spark plugs defective2. Coil defective | 1. Replace spark plugs Op. 5510D10 SPARK PLUGS - R+R2. Replace coils Op. 5510C14 IGNITION COIL/S - R.R. |
| 3 | ACCELERATOR PEDAL CHECK | All OK | Problems encountered | Operation |
|---|
| Using the Examiner, check the correct voltage values of the accelerator pedal potentiometers.Check that the accelerator pedal potentiometer is working properly | Move on to Step 4 | Accelerator pedal potentiometer defectivePotentiometer wiring defective | Replace the accelerator pedalOp. 1068A14 Restore correct wiring. |
| 4 | MOTORIZED THROTTLE CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the motorized throttle is working properly, carrying out See Test 1056BW THROTTLE BODY ACTUATOR OPERATION CHECK | End of diagnosis | 1. Motorized throttle defective2. Connections not correct | 1. Replace the motorized throttleOp. 1056B14 2. Restore the correct connections See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT |
