| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS | 
|---|
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT. | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Connect the diagnostic equipment to the diagnostic socket and check the following at the Body Computer Node: that there are no faults at the direction indicatorsthe operation of the direction indicator bulb through active diagnosis
 | Move on to Step | 1. Direction indicators faulty | 1. Continue following the instructions for the diagnostic equipment | 
| 2. The bulbs do not come on | Move on to Step | 
| 2 | ELECTRICAL SYSTEM CHECK. | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check the continuity of the wiring between the rear lamp and the Body Computer Node.  (Wiring Diagram    )  E2020  DIRECTION INDICATORS/HAZARD WARNING LIGHTS | Move on to Step | Wiring broken | Restore the electrical connections.  (Wiring Diagram    )  E2020  DIRECTION INDICATORS/HAZARD WARNING LIGHTS | 
| 3 | REAR LAMP OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check that the direction indicator comes on | Move on to Step | The direction indicator does not come on | Replace the rear lamp    See in Op.   5540A44  l/h or r/h tail light (one) - r+r | 
| 4 | CHECK ON CORRECT OPERATION. | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check that the fault is no longer present |  | Fault persists | Replace body computer    See in Op.   5505A32  BODY COMPUTER - R.R. |