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hi Philip north London n4 here

The BSI unit is basically a computer which

handles a multitude of functions such as

odometer value, central locking, lights and

immobiliser. Some later Bsi units are liable

to corrupt their own software program if

not "woken up" in a specific way after

programming keys or battery disconnection.

The details of this are explored

thoroughly in a Peugeot TSB but I will

summarise for you briefly.

Procedure for Initialising the BSI after key learning

1. Disconnect the diagnostic tool.If being used.

2. Put the driver's window down, lift the bonnet and ensure all

equipment is switched off.

3. Ensure all doors are closed and remove key from the

ignition.

4. Wait for 3 minutes, disconnect the vehicle battery and wait

15 seconds.

5. Reconnect the vehicle battery, wait a further 10 seconds (do

not open doors.)

6. Switch on the side lights through the driver's window.

7. Switch on the ignition and check system's functionality.

8. Hold lock button on key down for 10 seconds.

9.remove key open & close door test c entral locking system

10. Start the engine and complete the system's check.

Failure to follow this procedure could result in incorrect operation of many

BSI related items.

It did take three attempts following this procedure before it worked.

How do you turn on automatatic door lock on a citroen picasso

Keep the the lock botton pressed for several seconds (2sec). A message will appear on the screen to confirm the new settings

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15y ago

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