358469 - I37 RIGHT OR LEFT REAR DIRECTION INDICATOR (ONE) NOT WORKING

One of the two direction indicators remains constantly on or off;
The direction indicators are controlled and diagnosed (lights check function) directly by the Body Computer Node.If there is a fault with the direction indicators confirmed by the Body Computer Node, the fault is displayed on the matrix that can be reconfigured
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK USING DIAGNOSTIC EQUIPMENT. ALL OKPROBLEMS ENCOUNTEREDACTION
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 indicators
  • the operation of the direction indicator bulb through active diagnosis
Move on to Step 1. Direction indicators faulty1. Continue following the instructions for the diagnostic equipment
2. The bulbs do not come onMove on to Step
2ELECTRICAL SYSTEM CHECK.ALL OKPROBLEMS ENCOUNTEREDACTION
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 brokenRestore the electrical connections. (Wiring Diagram ) E2020 DIRECTION INDICATORS/HAZARD WARNING LIGHTS
3REAR LAMP OPERATION CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the direction indicator comes on Move on to Step The direction indicator does not come onReplace the rear lamp    See in Op. 5540A44 l/h or r/h tail light (one) - r+r
4CHECK ON CORRECT OPERATION.ALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace body computer    See in Op. 5505A32 BODY COMPUTER - R.R.