| 1 | CHECK ON CONNECTOR ON HEADLAMP | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the 14-way connector on the master/slave lamp is correctly fitted | Move on to Step 2 | Connector not correctly fitted | Restore correct fitting See E2011 DIPPED HEADLAMPS |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that there are no errors by connecting to the Master (left side) or Slave (right side) headlamp using the diagnostic equipment | Move on to Step 3 | 1. Error B1010 - xenon lamp fails to come on detected | 1. Move on to Step 3 |
| 2. Error B1012 - xenon lamp voltage out of the range detected | 2. Move on to Step 3 |
| 3. Error B1000 - control unit broken detected | 3. Replace ballast control unit Op. 5540B42 CONTROL UNIT OF ONE GAS DISCHARGE LIGHT CLUSTER R R |
| 3 | DIPPED HEADLAMPS POWER SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the headlamps are receiving the correct power supply, by carrying out the See Test 5540BA CHECK ON DIPPED HEADLAMPS CIRCUIT | Move on to Step 4 | | |
| 4 | HEADLAMP INTERIOR WIRING CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the screened connector for the headlamp bulb is correctly fitted in the ballast control unit.Check that the screened connector for the bulb is correctly fitted in place.Check the continuity of the wiring between the 14-way connector for the headlamp and the connector connected to the ballast control unit, by carrying out the See Test 5540BK CHECK ON CONTINUITY OF DIPPED HEADLAMP WIRING INSIDE HEADLAMP | Move on to Step 5 | 1. Screened connector not correctly fitted in the control unit | 1. Fit the connector correctly in the control unit See E2011 DIPPED HEADLAMPS |
| 2. Bulb connector not correctly fitted | 2. Fit the bulb connector correctly See E2011 DIPPED HEADLAMPS |
| 3. Connection broken | 3. Move on to Step 6 |
| 5 | BULB OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault disappears by replacing the bulb Op. 5540B44 DIPPED BEAM FOR ONE GAS DISCHARGE LIGHTING UNIT ONE LH OR RH R R | End of diagnosis | The fault persists | Refit the original bulb and move on to Step 6 |
| 6 | CHECK ON CORRECT OPERATION OF HEADLAMP | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Replace the left or right headlamp Op. 5540B81 LEFT GAS DISCHARGE LIGHT CLUSTER - R.R. Op. 5540B82 RIGHT GAS DISCHARGE LIGHT CLUSTER - R.R. | End of diagnosis | End of diagnosis | Refit the original bulb and move on to Step 6 |
| 7 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Replace the faulty headlamp ballast control unit Op. 5540B42 CONTROL UNIT OF ONE GAS DISCHARGE LIGHT CLUSTER R R | End of diagnosis | End of diagnosis | Contact technical service for further information on the problem |