| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| With the side lights on, check that the steering column switch unit works properly for the windscreen washer function | Continue to Step 1 | The windscreen washer is not working | See table J03 |
| 1 | HEADLAMP WASHER RELAY CHECK (POWER CIRCUIT) | All OK | Problems met | Operation |
|---|
| Swap the headlamp washer relay (in the engine compartment junction unit) with the horn relay and check that the headlamp washers are working properly afterwards | Continue to Step 2 | The headlamp washers still do not work even after the swap | Continue to Step 3 |
| 2 | REPLACING HORN RELAY (POWER CIRCUIT) | All OK | Problems met | Operation |
|---|
| Replace the horn relay (which was actually the one for the headlamp washer) and check that the horn is working properly | End of diagnosis | - | |
| 3 | HEADLAMP WASHER RELAY POWER SUPPLY CHECK (POWER CIRCUIT) | All OK | Problems met | Operation |
|---|
| Check that the headlamp washer relay is correctly supplied by the batteryWith the ignition ON, connect to the supply for the relay from the Body Computer and check that the supply is sent to the relay when the headlamp washer is activated.Also check that the electrical connections between the Body Computer, battery and relay are not faulty See E3022 HEADLAMP WASHER  | Do not disconnect the relay |
| Continue to Step 4 | No power supply from the battery | Restore the correct supply to the relay. If necessary, replace the faulty components (if a fuse is involved, search for the causes of the problem first) |
| Supply enablement not provided by the Body Computer | Continue to Step 5 |
| Connections faulty | Restore the correct connections. See E3022 HEADLAMP WASHER |
| 4 | HEADLAMP WASHER ELECTRIC PUMP POWER SUPPLY CHECK | All OK | Problems met | Operation |
|---|
| Check the connection between the relay and the electric headlamp washer pump See E3022 HEADLAMP WASHER | Continue to Step 5 | Connection broken | Restore the connections See E3022 HEADLAMP WASHER |
| 5 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect the diagnostic equipment (Examiner Plus or Smart) to the diagnostic socket and check that there are no faults in the Body Computer | Continue to Step 6 | Body Computer faulty | Continue according to the instructions for the diagnostic equipment |
| 6 | ELECTRIC WINDSCREEN WASHER PUMP CHECK | All OK | Problems met | Operation |
|---|
| Check the operation of the electric windscreen washer pump | End of diagnosis | Electric pump faulty | Replace the electric windscreen washer pump Op. 5050B22 Search for the fault starting from another symptom' |