358460 - I28 FOG LIGHT (ONE) NOT WORKING

The fog lights are controlled by the Body Computer Node via a relay located in the Engine Compartment Junction Unit.The lights can be switched on/off by the button on the Exterior Lights Control.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1FOG LIGHT BULB CONDITION CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Remove the lower shield and check the condition of the fog light bulbsMove on to Step Bulbs faultyReplace the bulbs    See in Op. 5540D14 Left or right fog light BULB (one) - R.R.
2ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the continuity of the electrical connection between the front bumper connection and the fog light bulbs (Wiring Diagram ) E2030 FOG LIGHTS Move on to Step Connection brokenRestore the electrical connection (Wiring Diagram ) E2030 FOG LIGHTS
3ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Remove the right front wheel arch and check the continuity of the electricl connection between:

  • Engine Compartment Junction Unit and front bumper connection
  • Front bumper connection and right front earth (Wiring Diagram ) E2030 FOG LIGHTS
Move on to Step Connection brokenRestore the electrical connection (Wiring Diagram ) E2030 FOG LIGHTS
4CHECK ON ENGINE COMPARTMENT JUNCTION UNIT INTERNAL ELECTRICAL SYSTEMALL OKPROBLEMS ENCOUNTEREDACTION
Check the internal continuity of the engine compartment junction unit (power circuit) (Wiring Diagram ) E2030 FOG LIGHTS Move on to Step Open circuit for connection in engine compartment junction unitReplace the engine compartment junction unit    See in Op. 5505A13 Additional junction unit in engine compartment - R.R.
5CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present