Fault diagnosis
I01 SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING
Engines: 2.0 16V, 2.0 JTD 8V, 2.3 JTD 16V, 2.8 JTD 8V
When the stalk switch wheel is operated with the key ON, the side lights or number plate lights do not work
Engines: 2.0 16V, 2.0 JTD 8V, 2.3 JTD 16V, 2.8 JTD 8V
| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS | ||
|---|---|---|---|---|
| 1 | INDIVIDUAL LIGHT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check condition of the bulbs and associated bulb holder unit | Move on to Step | 1. Front bulbs damaged | 1. Change the bulbs Op. 5540B28 BULB (1) FOR FRONT TURN SIGNAL IN A HEAD LAMP (1), LH OR RH - R R | |
| 2. Rear bulbs damaged | 2. Change the bulbs Op. 5540A74 BULB OF A SIDELIGHT OR FOG LAMP OR REVERSING LIGHT IN A TAIL-LIGHT, LH OR RH R R | |||
| 3. Tail-light fault | 3. Repair or replace the tail-light Op. 5540A44 L/H OR R/H TAIL LIGHT (ONE) - R+R | |||
| 4. Front light cluster fault | 4. Repair or replace the front light cluster Op. 5540B10 EXTERIOR LIGHT DIMMER RESISTOR - R+R | |||
| 5. Number plate light fault | 5. Repair or replace the number plate lights Op. 5540A94 L/H OR R/H NUMBER PLATE LIGHT (ONE) - R+R | |||
| 2 | SIDE LIGHT ELECTRICAL CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
Check the following, in order:
| Move on to Step | 1. Component defective | 1. Replace defective component (in the case of a fuse, find out what caused it to blow) | |
| 2. Connections interrupted | 2. Repair the connections See E2010 SIDE LIGHTS / NO. PLATE LIGHTS | |||
| 3 | STEERING COLUMN SWITCH UNIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check that a battery voltage output is generated to supply the side/number plate lights when the stalk switch wheel is operated with the key on. See E2010 SIDE LIGHTS / NO. PLATE LIGHTS | Move on to Step | Stalk switch not working properly | Replace the steering column switch unit Op. 5550A12 COMPLETE STALK UNIT - R+R FOR VERSIONS WITH AIR BAG | |
| 4 | IGNITION SWITCH CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check that a battery voltage is generated when the ignition key is turned on and more specifically to the stalk switch that supplies the side/number plate lights See E2010 SIDE LIGHTS / NO. PLATE LIGHTS | Move on to Step | Fault in ignition switch | Repair or replace the ignition switch Op. 5520A12 IGNITION SWITCH ASSEMBLY - R R FOR VERSIONS WITH AIR BAG | |
| 5 | UNDERFACIA JUNCTION UNIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check that a battery voltage output is generated from the underfacia junction unit to control the bulbs when the stalk switch wheel is operated with the key on See E2010 SIDE LIGHTS / NO. PLATE LIGHTS | Move on to Step | Fault in the underfacia junction unit | Repair or replace the underfacia junction unit | |
| 6 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check that the fault is no longer present | ||||