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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Radio) >> Removing And Installing The Car Radio, - As Of My 2003 >> Teaching Car Radio

Teaching Car Radio

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If a new car radio is to be installed in a vehicle, the PCM2/CDR23 code specified in IPAS must be used. 
  • You can get the codes from IPAS or from your importer by specifying the vehicle identification number. 
  • If possible, before the car radio is removed and replaced, a read-out of the vehicle data should be obtained using the Porsche System Tester. 
  • During coding, the power supply for the Porsche System Tester should be guaranteed. Connect a battery charging unit to the vehicle battery. 
  • Symbol for the TAB key  =.-->|
  • Instructions for the Porsche System Tester have a higher priority and are to be followed where descriptions deviate. Deviations may occur with later software versions (as of 15.0). 
  • The procedure given here has been structured in general terms; different texts or additions may be displayed in the Porsche System Tester. 
  1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch ignition on. >> to continue.
  2. Select vehicle type using the cursor keys.
  3. Using the >> key, move from the vehicle type to the list of control units.
  4. Select CDR23 with the cursor keys and press the >> key.
  5. In the menu CDR23, select CDR23 with the cursor keys and press the >> key.
  6. Select Control unit replacement with the cursor keys and press the >> key.
  7. Select Read coding with the cursor keys and press the >> key.
  8. The message Coding read-out complete will appear on the screen of the Porsche System Tester. Press the >> key.
  9. Switch off ignition and replace the car radio.
  10. Switch on ignition. After replacement of the car radio, the vehicle data is installed under the menu Write in coding (see 7 ). Press the >> key.
  11. System Tester displays Coding write-in complete. Press the >> key.
  12. Follow the instructions of the tester.
    NOTE: In the case of a new car radio, continue under Step  13 .
  13. In the menu CDR23 select Coding and press >>.
  14. In the menu Coding select Production mode and press >>.
  15. Select Production mode Off and confirm with the . F8 key.
  16. In the menu CDR23 select MOST actual installed components list.
    NOTE:
    • In the MOST actual installed components list the installed components detected are displayed.
    • The installed components detected from the MOST actual installed components list is compared with the MOST required installed components list.
  17. In the menu CDR23 select MOST required installed components list.
  18. If the items in the actual list differ from those in the required list, update the MOST required installed components list to the status of the MOST actual installed components list by coding.
  19. Quit the menu CDR23 <<, read out the fault memory and erase if necessary.
  20. Quit the menu CDR23 <<.
    NOTE:
    • Switch on the car radio. If the car radio cannot be switched on, or the car radio switches on but no music can be heard, switch off the ignition, remove the ignition key, close the doors and lock the vehicle. Wait until the alarm system LED flashes normal. Unlock the vehicle and switch on the radio again.
    • Should the radio still not switch on after this procedure, proceed in accordance with RADIO - DIAGNOSIS .
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