| | Test results |
| 1 | INDIVIDUAL BULB CHECK | All OK | Problems encountered | Operation |
|---|
| Check:- the condition of the individual bulbs- the condition of the bulb holder assemblies- the state and operation of the courtesy light switches | Move on to Step 2 | 1. Courtesy light bulb fault2. Front courtesy light fault | 1. Replace the bulb Op. 7040E10 FRONT COURTESY LIGHT - R+R 2. Repair or replace the courtesy light Op. 7040E10 FRONT COURTESY LIGHT - R+R |
| 2 | INTERIOR LIGHTS ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check the following, in order:- connections between the courtesy light and Body Computer;- courtesy light earth connection See E2510 COURTESY LIGHTS | Move on to Step 3 | 1. Connections not correct2. Interior lights not correctly earthed | 1. Restore the correct connections See E2510 COURTESY LIGHTS 2. Restore earth connection See E2510 COURTESY LIGHTS |
| 3 | SIGNAL CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the Body Computer sends a voltage signal to the courtesy light when one of the side doors is opened | End of diagnosis | No voltage signal from the Body Computer | Replace Body Computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R. |
