| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 1 | INDIVIDUAL LIGHT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the condition of the individual bulbs and associated bulb holder; | Move on to Step | 1. Bulbs damaged/inefficient | 1. Change the bulbs Op. 5550D17 THIRD BRAKE LIGHT - R R |
| 2. Bulb holder unit fault | 2. Repair or replace the exterior tail-light |
| 2 | BRAKE LIGHT ELECTRICAL CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the following, in order:- Brake light fuse;
- Connections between battey, 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. Renew 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 | | | |