| | 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' |