2427560 - 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. 5560B11
2CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Check the continuity of the wiring between parking brake lever switch and the Body Computer See   E4010  INSTRUMENT PANEL Continue to Step 3Wiring breakRenew the wiring See   E4010  INSTRUMENT PANEL
3SWITCH CHECKAll OKProblems metOperation
Check switch operation Continue to Step 4Faulty switchReplace switch Op. 5560D18
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. 5505A32
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present End of diagnosis