361952 - K66 HANDBRAKE WARNING LIGHT DOES NOT COME ON

The command to switch on the handbrake warning light is sent from the Parking Brake Node, via the C-CAN, to the Body Computer Node which makes it available, via the Gateway at the B-CAN, to the Instrument Panel Node.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
0	PRELIMINARY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the handbrake warning light failure message is not displayed on the active matrix	Move on to Step	Presence of fault message	Move on to Step
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the Instrument Panel Node: in active diagnosis ambient the operation of the handbrake warning light	Move on to Step	The warning light does not come on	Replace instrument panel    See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Keeping the Examiner diagnostic equipment connected to the diagnostic connector, check the following at the Parking Brake Node:in active diagnosis ambient the operation of the handbrake warning light	Move on to Step	The warning light does not come on	Replace the Parking Brake Node.     See in Op. 3380A64 Electrically operated parking brake electronic control unit - R.R.
3	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present