184000453 - I22 DIPPED BEAMS DO NOT COME ON IN MANUAL" DIPPED MODE
When the stalk unit collar is operated in the manual position with the key turned on, the dipped headlamps do not work.| Results of the tests | ||||||
| 1 | DIPPED HEADLAMPS RELAY CHECK (POWER CIRCUIT) | All OK | Problems met | Operation | ||
|---|---|---|---|---|---|---|
| Swap the dipped headlamps relay with the steering column switch unit relay (it is the one above on the right) (in the junction unit under the dashboard) and check that the dipped headlamps are working properly afterwards | Continue to Step 2 | The dipped headlamps still don't work even after the swap | Continue to Step 3 | |||
| 2 | REPLACING STEERING COLUMN SWITCH UNIT RELAY (POWER CIRCUIT) | All OK | Problems met | Operation | ||
| Replace the steering column switch unit relay (which was actually the one for the dipped headlamps) and check that the windscreen wipers are working properly | End of diagnosis | . | ||||
| 3 | DIPPED HEADLAMPS RELAY POWER SUPPLY CHECK (POWER CIRCUIT) | All OK | Problems met | Operation | ||
Restore the two relays to their original positions.With the ignition ON, check that the dipped headlamps relay is correctly supplied by the battery.Then, connect to the relay supply from the Body Computer and check that the supply is sent to the relay when the dipped headlamps are operated.Also check that the electrical connections between the battery and the relay are not faulty See E2011 DIPPED HEADLAMPS
| Continue to Step 4 | No power supply from the battery | Restore the correct power 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 6 | |||||
| Connections faulty | Restore the correct connections. See E2011 DIPPED HEADLAMPS | |||||
| 4 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation | ||
| Connect the Examiner to the diagnostic socket Check:
| Continue to Step 6 | Body Computer faulty | Continue according to the instructions for the diagnostic equipment | |||
| Lights not activated | Continue to Step 5 | |||||
| 5 | CHECK ON INDIVIDUAL LIGHTS | All OK | Problems met | Operation | ||
| Check the condition of individual bulbs and light units. | Continue to Step 6 | Bulbs damaged | Replace bulbs Op. 5540B22 | |||
| Front right light cluster faulty | Repair or replace front lights cluster Op. 5540B79 | |||||
| Front left light cluster faulty | Repair or replace front lights cluster Op. 5540B78 | |||||
| 6 | DIPPED HEADLAMPS ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation | ||
Check, in order:
| Continue to Step 7 | Defective component | Replace the component involved (if a fuse is involved, search for the cause of the problem) | |||
| Connections broken | Restore the connections See E2011 DIPPED HEADLAMPS | |||||
| 7 | CHECK ON STEERING COLUMN SWITCH UNIT | All OK | Problems met | Operation | ||
| Check the stalk unit is working properly: in particular, check the side light switch | Continue to Step 8 | Stalk unit not working properly | Replace the stalk unit Op. 5550A12 | |||
| 8 | DIPPED HEADLAMPS ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation | ||
| Check that the fault is no longer present | End of diagnosis | The fault persists | Replace the Body Computer Op. 5505A32 | |||
