125000531 - I02 PARKING LIGHTS NOT WORKING

Parking lights do not work under any circumstances.
The parking light activation signal (side and number plate lights) is sent directly from the Body Computer Node.
The parking lights are switched on by the driver using the ignition key and the steering column switch unit. With the key in PARK and the lights switched off, there are two cases: 1. Steering column switch unit in neutral lights up all the side lights, no. plate lights and side lights warning light in the instrument panel 2. Steering column switch unit turned to the left or the right, the left or right side lights, respectively, come on
Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation

Check that the side lights come on as follows when the light control on the stalk unit is operated:

  • Ring nut on the side lights and stalk unit in neutral position: all the lights
  • Ring nut on the side lights and stalk unit turned to the left: left lights
  • Ring nut on the side lights and stalk unit turned to the right: right lights
End of diagnosisSide lights do not come onContinue to Step 1
1SIDE LIGHTS OPERATION CHECKAll OKProblems metOperation
Turn the key to the ON position, operate the ring nut on the stalk unit and check that the side lights cone on correctlyContinue to Step 2Side lights do not come onContinue according to the instructions inSee table    See table I01 SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING
2CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner to the diagnostic socket and check that there are no faults at the Body Computer Node:Continue to Step 3Faults present.Continue according to the instructions for the diagnostic equipment
3ELECTRICAL EQUIPMENT CHECKAll OKProblems metOperation
Check the condition of the connection between the ignition switch and the Body Computer See    See E2010 SIDE LIGHTS / NO. PLATE LIGHTSContinue to Step 4Connections brokenRestore the connections See    See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
4CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner to the diagnostic socket and check the operation of the bulbs by means of active diagnosisContinue to Step 5No lights come onReplace the Body Computer Op.    Op. 5505A32 BODY COMPUTER - R R
One front light does not come onReplace the bulb Op. 5540B26
One rear light does not come onReplace the bulb Op.    Op. 5540A50 TAIL-LIGHT BULB (ONE), LH OR RH - REPLACE
2.0 JTS3.2 V61.9 JTD 16VProiettori a scarica di gasConnect the Examiner to the diagnostic socket and check the operation of the bulbs by means of active diagnosisContinue to Step 5No lights come onReplace the Body Computer Op.    Op. 5505A32 BODY COMPUTER - R R
One front light does not come onReplace the bulb Op.    Op. 5540B49 BULB FOR SIDE LIGHT ONE LH OR RH OF ONE GAS DISCHARGE LIGHT CLUSTER RR WITH LIGHT CLUSTER REMOVED
One rear light does not come onReplace the bulb Op.    Op. 5540A50 TAIL-LIGHT BULB (ONE), LH OR RH - REPLACE
5CHECK ON IGNITION SWITCHAll OKProblems metOperation
Check that the ignition switch is working properly: in particular, the PARK positionContinue to Step 6Switch faultyReplace the ignition switch Op.    Op. 5520A12 IGNITION SWITCH ASSEMBLY - R R FOR VERSIONS WITH AIR BAG
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the Body Computer Op.    Op. 5505A32 BODY COMPUTER - R R