| | 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 switch on the courtesy light
| Move on to Step 2 | 1. Courtesy light bulb fault2. Front courtesy light fault | 1. Replace the bulb2. 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 | Proceed to Step 3 for versions with central lockingProceed to Step 4 for versions without central locking | 1. Connections not correct2.Interior light not correctly earthed | 1. Restore the correct connections2. Restore earth connection |
| 3 | INTERNAL LIGHT CONTROL SWITCH OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the door lock switch is working properlyCheck the continuity of the wiring from the door lock to the Body Computer | Move on to Step 5 | 1. Door lock switch faulty2. Wiring from door switch to Body Computer interrupted | 1.Replace door lock2.Restore correct wiring. |
| 4 | INTERNAL LIGHT CONTROL SWITCH OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the switch on the pillar is working properlyCheck the continuity of the wiring from the door lock to the Body Computer | Move on to Step 5 | 1.Switch on pillar faulty2.Wiring from door switch to Body Computer interrupted | 1.Replace switch2.Restore correct wiring. |
| 5 | BODY COMPUTER OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the body computer is working properly | End of diagnosis | Body Computer defective. | Replace Body Computer Op. 5505A32 BODY COMPUTER - R.R |
