Retrofitting optical waveguide wiring harness - AN82.70-P-0002-01APP

Model 203.0 with sound system 

1. Prepare optical waveguide wiring harness (1) as shown in figure.
   Fig 1: Identifying Optical Waveguide Wiring Harness

   
2. Route optical waveguide wiring harness (1) in vehicle as shown in figure.
   Fig 2: Identifying Optical Waveguide Connector D2B And Telephone Interface

   
3. Check optical waveguide routing on right of trunk.

   In this case, only the amplifier for the sound system (N40/3) may be installed.

   Fig 3: Identifying Amplifier For Sound System

   
4. Check optical waveguide routing in vehicle.

   The maximum station sequence is:

   • Radio (A2)
   • Amplifier for sound system (N40/3)
   • CD changer (A2/6) (if installed)
   • Radio (A2)
     Fig 4: Identifying Optical Waveguide Connector D2B And Red And White Insert

     
5. Expose the two optical waveguide connectors D2B (X39/43) in the area of the cable duct of the right rear door and check the routing direction.

   The optical waveguides routed toward the front in the direction of motion lead to the radio (A2) or CD changer. The optical waveguides routed toward the rear to the trunk in the direction of motion lead to the amplifier for sound system (N40/3).

   Fig 5: Locating Red And White Insert

   
6. Check the optical waveguides leading to the front to the radio (A2) at couplers A and B.
7. Find the coupler (B) that has a red insert (rt) on the radio side (A2) (arrow) and lay aside (it is not altered).
   Fig 6: Identifying Optical Waveguides Leading To The Front To The Radio

   
8. Remove the white insert (ws) originating from the radio out of the production coupler (A).
9. Insert the removed white insert (ws) into the new coupler (N) for the optical waveguide wiring harness (1) and close the coupler (N). Remove the green cover cap from the white insert (ws) of the optical waveguide wiring harness (1) and insert the white insert (ws) into the old coupler (A) and close the coupler.
   Fig 7: Identifying Optical Waveguide Connector D2B

   
10. The nominal configuration in the vehicle now is:
    • Radio (A2)
    • Amplifier for sound system (N40/3)
    • Telephone interface (A34/4)
    • CD changer (A2/6) (if installed)
    • Radio (A2)
      Fig 8: Identifying Optical Waveguide Wiring Harness

      
11. Route optical waveguide wiring harness (1) through the rear panel into the trunk.
    Fig 9: Identifying Optical Waveguide Wiring Harness

    
12. Route branch-off line to the telephone interface (A34/4) from optical waveguide wiring harness (1) on the accessories plate as shown in the figure and fasten with adhesive felt. Connect optical waveguide at the telephone interface (A34/4).
    Fig 10: Identifying Optical Waveguide Wiring Harness