125000609 - K66 WARNING LIGHT SIGNALLING HANDBRAKE APPLIED DOES NOT COME ON

A parking brake warning light activation command is sent by the switch on the lever to the Body Computer Node, which makes it available to the Instrument Panel Node via the B-CAN network.
Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation
Check that the warning lights comes on when the panel is turned on during the checkContinue to Step 2The warning light does not come onContinue to Step 1
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner diagnostic equipment and check the Instrument Panel Node to ensure the parking brake warning light is working properly by means of active diagnosis.Continue to Step 2The warning light does not flashReplace instrument panel Op.    Op. 5560B11 ANALOGUE CONTROL PANEL - R+R OR REPLACE
2ELECTRICAL EQUIPMENT CHECKAll OKProblems metOperation
Check the continuity of the wiring between parking brake lever switch and the Body Computer See    See E4010 INSTRUMENT PANELContinue to Step 3Wiring breakRenew the wiring See    See E4010 INSTRUMENT PANEL
3SWITCH CHECKAll OKProblems metOperation
Check switch operationContinue to Step 4Faulty switchReplace switch Op.    Op. 5550D18 HANDBRAKE ON WARNING LIGHT SWITCH - R+R
4CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment to the Body Computer and check parameter plausibilityContinue to Step 5Parameter not plausibleReplace the Body Computer Op.    Op. 5505A32 BODY COMPUTER - R R
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.