Central locking / not working with remote control

Make: Fiat
Model: 500 Factory Service Manual
Year: 2007–2024
Section: Doors › Central locking / not working with remote control

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Fault diagnosisCentral locking / not working with remote control

CENTRAL LOCKING / NOT WORKING WITH REMOTE CONTROL

1.2 8v, 1.3 Multijet, 1.4 16v

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

N.B: The Body Computer Node receives the signal from the remote control via the RF aerial. Having received the command, it sends the opening/closing signal to the door actuators and to the luggage compartment actuator.

The RF signal emitted by the remote control can be weakened or even cancelled out in certain places where there is strong electromagnetic interference - i.e. near television/anti-theft transmitters, electricity plants, industrial areas or telephony transmitters.

1	REMOTE CONTROL BATTERY STATUS CHECK	All OK	Problems encountered	Operation
		Test results
	Check that the remote control battery is not run down, carrying out See Test 5580EA ANTI-THEFT DEVICE REMOTE CONTROL OPERATION CHECK Check that the remote control battery is correctly inserted	Move on to Step 2	1. Remote control battery run down. 2. Remote control battery not correctly inserted	1. Replace the remote control battery 2. Insert the battery correctly
2	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the Examiner diagnostic equipment to the Body Computer Node and check that there are no errors.	Move on to Step 4	Error detected: RF receiver broken	Move on to step 3
3	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Keeping the diagnostic equipment connected to the Body Computer node, check the following in the parameters mode: that the remote control is correctly programmed; the operation of the individual remote control buttons.	Move on to Step 4	1. Remote control not properly programmed. 2. Remote control buttons malfunction.	1. Programme the remote control. 2. Move on to Step 4
4	ELECTRICAL CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check that the RF receiver aerial is not interrupted or incorrectly connected to the Body Computer Node.	Move on to step 5	1. Aerial lead broken. 2. Aerial lead connector not correctly connected to the Body Computer Node.	1. Restore the continuity/insulation of the aerial lead. If necessary, replace the aerial See E3040 CENTRAL LOCKING 2. Connect the aerial lead connector properly to the Body Computer Node.
5	REMOTE CONTROL CORRECT OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the remote control operates correctly, by carrying out See Test 5580EA ANTI-THEFT DEVICE REMOTE CONTROL OPERATION CHECK	Move on to Step 6.	Remote control defective	Replace the remote control and programme the new remote control at the Body Computer Node.
6	BODY COMPUTER CORRECT OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the body computer is working properly	End of diagnosis.	Body Computer defective	Replace Body Computer Op. 5505A32 BODY COMPUTER - R.R

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Parts & tools for this job For 2007 Fiat 500

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