| | Test results |
| 1 | REVERSING SWITCH CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the reversing lights control switch is working correctly. | Move on to Step 2 | Switch with defective contact. | Replace the reversing switch Op. 5550D22 REVERSING LIGHT SWITCH - R+R |
| 2 | CHECK ON OPERATION OF FUSE AND RELAY | All OK | Problems encountered | Operation |
|---|
| Check the operation of relay and fuse in the engine compartment junction unit. | Move on to Step 2 | 1. Relay defective.2. Fuse blown | 1. Replace the relay2. Replace the fuse. |
| 3 | ELECTRICAL SYSTEM CHECK | All OK | Problems encountered | Operation |
|---|
| Check the continuity and the insulation of the wiring between the reversing switch and the reversing light See E2022 REVERSING LIGHTS | Move on to Step 4 | Wiring with short circuit or open circuit | Restore the correct wiring. |
| 4 | BULB OPERATION CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the reversing light bulb is working. | Move on to Step 5 | Bulb defective. | Replace the reversing light bulb Op. 5540A50 BULB FOR REAR LIGHT CLUSTER (ONE), LEFT OR RIGHT - REPLACE |
| 5 | CHECK ON OPERATION OF ENGINE COMPARTMENT JUNCTION UNIT | All OK | Problems encountered | Operation |
|---|
| Check that the engine compartment junction unit is working properly. | End of diagnosis. | Engine compartment junction unit defective. | Replace the engine compartment junction unit Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R. |
