| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 1 | INDIVIDUAL LIGHT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check condition of the individual bulbs and associated bulb holder unit | Move on to Step | 1. Bulbs damaged/inefficient | 1. Change the bulbs Op. 5540A74 BULB OF A SIDELIGHT OR FOG LAMP OR REVERSING LIGHT IN A TAIL-LIGHT, LH OR RH R R |
| 2. Bulb holder unit fault | 2.Repair or change the external tail-light Op. 5540A44 L/H OR R/H TAIL LIGHT (ONE) - R+R |
| 2 | BRAKE LIGHT ELECTRICAL CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the following, in order:- Brake light fuse;
- Connections between battery, ignition switch, underfacia junction unit and brake light switch;
- connections between brake light switch and bulbs;
- bulb earth
| 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 E2021 BRAKE LIGHTS |
| 3 | BRAKE PEDAL SWITCH CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the brake pedal switch is correctly fastened and working properly See E2021 BRAKE LIGHTS | Move on to Step | 1. Switch fastening/setting incorrect | 1. Adjust the switch |
| 2. Brake pedal switch faulty | 2. Replace the switch |
| 4 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | | | |