199000844 - K066 HANDBRAKE WARNING LIGHT DOES NOT COME ON (WITH HANDBRAKE APPLIED)

The command to switch on the handbrake warning light is sent by the switch on the lever to the Body Computer Node which makes it available on the B-CAN to the Instrument Panel Node.
Results of the tests
0PRELIMINARY CHECKAll OKProblems encounteredOperation
Check that the warning light comes on during the check when the panel is switched onMove on to Step 2Warning light does not come onMove on to Step 1
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the Examiner diagnostic equipment and check at the Instrument Panel Node that the handbrake warning light is working through active diagnosisMove on to Step 2The warning light does not flashReplace instrument panel    Op. 5560B10 CONTROL PANEL - R+R
2ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the continuity of the wiring between the handbrake lever switch and the Body Computer see wiring diagram    See E4010 INSTRUMENT PANEL Move on to Step 3Wiring brokenRestore the correct wiring
3SWITCH CHECKAll OKProblems encounteredOperation
Check the operation of the handbrake switchMove on to Step 4Switch defectiveReplace the switch
4CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the diagnostic equipment to the Body Computer and check the plausibility of the parameterEnd of diagnosisParameter not plausibleReplace the Body Computer    Op. 5505A32 BODY COMPUTER - R.R