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  • 1987 Porsche 928 S4 Silver Metallic

    For Sale, 1987 Porsche 928 S4 Silver Metallic

    1987 S4, 100,000 miles, MOT July 2011, taxed til January 2011. Owned for four and a half years Any questions 07826 811303 or jakeyboy928@hotmail.co.uk Going on holiday Friday 20th and back 29th so won't be able to answer enquiries until I return - Price is £5500

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Disabling the tyre pressure warning system on the Porsche 928 PDF Print E-mail
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The Simple RDK bypass - to disable the tyre pressure warning system

Please note the following procedure does NOT involve the removal of the RDK unit (which is very difficult due to awkward access) OR folding back the rubber cover on the connector as previously instructed.

Author, Andrew Brierley

The location of the RDK control unit is in the driverÕs footwell above the bonnet release handle, behind the parcel shelf. The metal RDK box has a smaller black plastic box in front of and attached to the RDK unit – SEE ABOVE DIAGRAM

Step by step instructions

  1. Remove the parcel shelf below the instrument binnacle by removing the four locating nuts/bolts and locate the RDK control unit.
  2. Withdraw the multi-pin connector from the RDK control unit by first removing the retaining screw and releasing the spring clip. Carefully guide the connector and attached cable down into the driverÕs footwell.
  3. Holding the multi-pin connector in front of you with the cable at the top and the hole for the retaining screw at the bottom you will see two rows of holes i.e. female part of connection (male part is on the box). – SEE DIAGRAM TO LEFT. The left-hand row of connectors are numbered 1 to 18 starting at the bottom (you can not see any numbering unless you peel back the cover).
  4. Take a piece of wire long enough to connect No. 2 to No. 13 (Marked with red dot on diagram). Push the ends of the wire into these connections. There should be enough tension in the connectors to grip the wire without the need for solder. Securely tape the wire to the connector.
  5. Cover all the connector by wrapping it in insulation tape and push the connector safely out of way (I managed to push mine back between the RDK control box and the wing of the car).

Replace the parcel shelf. It may be necessary in some cases to disconnect the battery for some time to erase the warning from the computer memory.

Key
 

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