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The mkiv Supra Owners Club

Central locking not working!!


Velociraptor

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I have a similar issue where the security LED is continuously illuminated and the switch will lock the door, though the remote central locking won't work. I have followed the guide and found this ECU:

 

image

 

Is this different because it has an aftermarket Toyota fitted alarm system?

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Just an update for everyone my Central locking/Fob and security light problem following the advice this I found on here...

 

SUBJECT: TOYOTA 5000 THEFT DETERRENT SYSTEM

 

STARTING VEHICLES WITH A FLAT BATTERY

 

Guidance

 

If you wish to jump start a vehicle ( or reconnect a fully charged battery ) to a vehicle

which is fitted with a Toyota 5000 Theft deterrent system, the following procedure

should be followed. This should prevent the remote control handsets locking out .

 

Before disconnecting the battery

 

1) Turn off the siren with the master key. The siren has its own Ni-Cad

Battery which will cause it to sound when the vehicle battery is disconnected

Unless it is switched off.

 

2) Remove the DOME Fuse. This is located under the bonnet in the main

junction box.

 

3) Disconnect and Remove the battery.

 

 

When Re-connecting the battery .

 

1) Ensure the siren is turned off with the master key .

2) Ensure DOME Fuse is removed .

3) Refit the battery and reconnect the terminals correctly.

4) Turn on the ignition .

5) Insert the DOME Fuse.

6) Turn off the ignition

 

The Hazard lights should now be flashing

 

7) Cancel the alarm using the remote control handset . Ther indicator lights should

stop flashing . It may be necessary to hold the Black left hand button down for

up to 15 seconds (15 seconds means 15 seconds or longer ) – until the car

Locks or Unlocks itself

8) You should now be able to start the engine.

 

N.B. Remember to turn on the siren with the master key.

 

 

(Note : if the system should not respond to the remote controls check for

re-synchronisation .

 

If this is not successful, the following procedure must be followed:

 

With the positive terminal of the battery connected and the negative terminal

disconnected .

 

1) Turn Ignition on

2) Reconnect the negative terminal of the battery

3) Turn the ignition off

4) Press the left hand black button of the remote controll for 15 seconds

To re synchronise. The other remote if availible may also require

re synchronisation.

 

Happy days :)

 

Although my traction control button and spoiler down button don't want to work very often?? Also the Auto box Letters at the bottom of the lever don't like to light up very often either?? Dodgy connection I'm guessing??

 

Anyone else had these problems?

Massive thank you for the post. My remote central locking is now working again :)

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