323000813 - 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.
0PRELIMINARY CHECKAll OKProblems encounteredOperation
Check that the warning light comes on during the check when the panel is switched onMove on to Step 3The warning light does not come on.Move 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 control warning light flashes.Replace the 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 E4010 INSTRUMENT PANEL Move on to Step 3Wiring broken.Restore correct wiring    See E4010 INSTRUMENT PANEL
3HANDBRAKE SWITCH CHECKAll OKProblems encounteredOperation
Switch operation check.Move on to Step 4Switch defective.Replace the switch.
4CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the diagnostic equipment to the Body Computer and check the plausibility of the parameter.End of diagnosis.Parameter not plausible.Replace Body Computer.    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.