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Home >> Audi >> 2006 >> A4 Cabriolet (8H7) L4-1.8L Turbo (AMB) >> Repair and Diagnosis >> Starting and Charging >> Power and Ground Distribution >> Wiring Harness >> Service and Repair >> Removal and Replacement >> Fiber Optic Cable

Fiber Optic Cable






Fiber Optic Cable

CAUTION!
Do not excessively bend or kink fiber optic cables. (min. bending radius 25 mm).

=> [ Fiber Optic Cables, Repairing ]

=> [ Fiber Optic Cable, Separating from Wiring Harness Connector ]

Fiber Optic Cables, Repairing

Special tools, testers and auxiliary items required

• Fiber Optic Plier Repair Set (VAS 6223)

• Air Hose Pliers (VAS 6228)

Checking remaining cut indicator





- Start by checking remaining cut indicator:

• The Pliers For Fiber-optic Conductor (VAS 6223/1 ) cutting device can perform approx. 1260 cuts. The blade is rotated for each further cut.

• The remaining cut indicator - arrow - displays the last 150 cuts available.

• Once no further cuts are available, the blade is blocked. It must then be replaced => Pliers For Fiber-optic Conductor (VAS 6223/1) instructions.

Preparing Pliers For Fiber Optic Conductor (VAS 6223/1)





- Release transportation safeguard at cutter by loosening Allen bolt - arrow -.

Fiber optic cable, cutting to length





- Establish length of fiber optic cable required.

- Open Pliers For Fiber Optic Conductor (VAS 6223/1 ) and insert fiber-optic cable - 1 - into trimming station.

- Close cutting tool to cut fiber optic cable to length.

Stripping





- Open Pliers For Fiber Optic Conductor (VAS 6223/1 ).

• Stripping lever must be in lower position - arrow -.

- Place fiber optic cable - 1 - in stripping point.

• Fiber-optic cable must terminate flush to rear side of cutting pliers.

- Close Pliers For Fiber Optic Conductor (VAS 6223/1 ) until stop and keep closed.





- Lift up stripping lever - arrow -.

- Open cutting tool and remove fiber optic cable - 1 -.

- Detach separated section of insulation from fiber optic cable.

Precision cutting (production of optical end face)





- Slide fiber optic cable - 1 - into cutting point.

• Insulation must make contact with cutting point stop - arrow -.

- Close Pliers For Fiber Optic Conductor (VAS 6223/1 ).

- Press cutting unit - arrow - down.





- Open Pliers For Fiber Optic Conductor (VAS 6223/1 ) and remove fiber-optic cable - 1 -.

• Fiber optic cable is only to be placed on an absolutely clean surface.

Activating transportation safeguard





- Close Pliers For Fiber Optic Conductor (VAS 6223/1 ).

- Secure hex socket screw - arrow - for transportation safeguard on blade.

Attaching brass pin contact to fiber optic cable





- Open securing lever on Crimping Pliers For Fiber-optic Cable (VAS 6223/2) - arrow 1 - and - arrow 2 -.

- Insert brass pin contact - 1 - in mount.





- Close securing lever on Crimping Pliers For Fiber-optic Cable (VAS 6223/2) - arrow -.

- Slide fiber optic cable - 2 - into brass pin contact - 1 - as far as spring-loaded stop.





- Slide fiber-optic cable further in up to fixed stop and close Crimping Pliers For Fiber-optic Cable (VAS 6223/2).

- Open Crimping Pliers For Fiber-optic Cable and remove fiber-optic cable with brass pin contact.

CAUTION!
Do not excessively bend or kink fiber optic cables. (min. bending radius 25 mm).

- Check proper attachment of brass pin contact - 2 - to fiber optic cable - 1 -.





• 4 crimp points must be visible at brass connection pin.

• The brass pin contact must not be able to be removed by hand from fiber-optic cable.

• End face of fiber optic cable is located 0.01 to 0.1 mm behind brass pin contact (visual inspection).

• Plug-in couplings are available for connecting fiber optic cables.

• For installing new fiber optic cable in wiring harness connector, refer to => [ Fiber Optic Cable, Separating from Wiring Harness Connector ].

Installing corrugated tube on fiber-optic cable





- Cut corrugated tube to appropriate length.

• Use air hose pliers (VAS 6228) or a sharp knife for cutting.

• The corrugated tube must not be cut through using a side cutter under any circumstances

• The corrugated tube must be cut on the wave peak - arrow -, not in the wave trough.

- Guide fiber-optic cable into Crimping Pliers For Fiber-optic Cable (VAS 6223/10) as shown in illustration.





- Position Crimping Pliers For Fiber-optic Cable at slot of corrugated tube.

- Position Crimping Pliers For Fiber-optic Cable at slot of corrugated tube. By doing this, fiber-optic cable is fed in corrugated tube.

Fiber Optic Cable, Separating from Wiring Harness Connector

Removing





- Unplug fiber-optic cable connection from control module or device.

- Use small screw driver to release catch in fiber optic cable connector - arrow -.

- Pull fiber optic cable basic module - 2 - out of connector housing - 1 -.











CAUTION!
• Make colored dots to mark assignment of fiber optic cable - 5 - to corresponding sockets in basic module - 1 -.

• Note the arrows - 3 - for allocation on the base module " IN" and "OUT".

- Release secondary catch - 6 - (blue pin) using a small screwdriver - arrow -.

- Release retaining tab - 2 - and remove fiber optic cable - 5 - with brass connector pin - 4 - from basic module - 1 -.

Installing

Install in reverse order of removal, observing the following:

- Install fiber optic cable in line with markings.

• Seal open harness connector - 2 - for fiber-optic cable using Protective Cap For Cable Connector (VAS 6223/9) - item 1 -.





• Protective cap prevents contamination of or mechanical damage to end face of fiber optic cable which would impair signal transmission.
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