358451 - I22 DIPPED HEADLAMPS DO NOT COME ON IN THE "MANUAL" DIPPED HEADLAMPS CONDITION

The dipped headlamps do not work in the dipped headlamps position, whilst they work in the Auto mode;
The dipped headlamps are controlled by the Body Computer Node via a relay located in the Dashboard Junction Unit.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK USING DIAGNOSTIC EQUIPMENT.ALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the diagnostic socket and check the following at the Body Computer Node:

  • dipped headlamps on/off parameter plausibility
Move on to Step The dipped headlamps on parameter does not change status (on/off)Move on to Step
2EXTERIOR LIGHTS CONTROL CHECK.ALL OKPROBLEMS ENCOUNTEREDACTION
Check the internal continuity of the exterior lights control (C.L.E.)    Continue following the instructions in the test 5540AA Exterior lights control operational check (C.L.E.)Move on to Step exterior lights control internal connections brokenReplace the exterior lights control    See in Op. 5540A20 Exterior lights SWITCH PANEL and instrument panel light dimmer - R.R.
3ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the continuity of the wiring between the exterior lights control and the Body Computer Node (Wiring Diagram ) E2011 DIPPED BEAMS Move on to Step Electrical connection broken or short circuitedRestore the electrical connection (Wiring Diagram ) E2011 DIPPED BEAMS
4CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace body computer    See in Op. 5505A32 BODY COMPUTER - R.R.