Central locking not working using remote control

Make: Lancia
Model: Thesis Factory Service Manual
Year: 2002–2009
Section: Doors › Central locking not working using remote control

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Fault diagnosisCentral locking not working using remote control

CENTRAL LOCKING NOT WORKING USING REMOTE CONTROL

When the door closing/opening is controlled using the remote control, the central locking does not work.

The Body Computer Node receives the signal from the remote control via the RF aerial. Having received the command, it sends the locking/unlocking signal to the door nodes and to the boot node which controls the locks for the rear doors and the boot lid.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
0	REMOVE CONTROL BATTERY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the remote control battery is not run down.	Move on to Step	Battery run down.	Replace the remote control battery.
1	PRELIMINARY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Activate the closing/opening of the doors using the second remote control that comes with the vehicle.	Move on to Step	Problem persists.	Move on to Step
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the Body Computer Node and check that there are no errors.	Move on to Step	Presence of errors	Continue following the instructions for the diagnostic equipment
3	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Keeping the diagnostic equipment connected, check the following in parameters ambient: that the remote control is correctly programmed; the operation of the individual remote control buttons.	Move on to Step	1. Remote control not properly programmed.	1. Programme the remote control.
		Move on to Step	2. The remote control button signals are not received.	Move on to Step
4	CHECK ELECTRICAL CIRCUIT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the RF receiver aerial is not interrupted or incorrectly connected to the Body Computer Node.	Move on to Step	1. Aerial lead broken.	1. Restore the continuity/insulation of the aerial lead (Wiring Diagram ) E3040 CENTRAL LOCKING
		Move on to Step	2. Aerial lead connector not correctly connected to the Body Computer Node.	2. Connect the aerial lead connector properly to the Body Computer Node.
5	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present.		The fault persists	Replace the remote control and programme the new remote control at the Body Computer Node.
6	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present.		The fault persists	Replace body computer See in Op. 5505A32 BODY COMPUTER - R.R.

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Parts & tools for this job Staging For 2002 Lancia Thesis

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