Skoda Roomster Repair and Service Manuals - Workshop Manuals

Removing and installing front wheel speed sensor cables - Vehicles with ABS BOSCH 8.0 Special tools and workshop equipment required t  Wiring loom repair kit, e.g. Skoda Car Tool Kit Škoda, Order No.: S 504 500 V t  Vehicle diagnosis, measurement and information system -VAS- Removing:   Note It is prohibited to repair shielded ABS cables. –  Disconnect battery → Electrical System; Rep. gr.27. –  Remove engine cover → engine; Rep. gr.10. Vehicles with TDI PD Turbocharger engines

–  Remove charge-air pipe at the top -1- with connecting hose -2- → engine; Rep. gr.21. Continued for all vehicles

–  Release multi-pin connector -1-. –  Insert red fuse -2- up to the stop in -direction of the arrow-. 2 -  Hydraulic control unit

–  Swivel the clamp downwards -1- up to the stop in the -direction of arrow-. –  Pull out multi-pin connector -2- from hydraulic control unit.

–  Open cable straps -2-. –  Lever off the cap -1- of the multi-pin connector on both sides from the catches -arrow- with a screwdriver. –  Remove cap -1- from the bottom part of the multi-pin connector.

–  Slide secondary lock (purple) -1- with a small screwdriver in the -direction of the arrow-. At the same time the contacts are released.

Contact assignment for multipin plug connector wiring loom - ABS control unit -J104-

Contact	Wiring to component
6 + 18	Front right wheel speed sensor -G45-
22 +34	Front left wheel speed sensor -G47-
19 + 31	Rear right wheel speed sensor -G44-
20 + 33	Speed sensor rear left -G46-

–  Open wiring loom. –  Press out the relevant contacts using a suitable ejection tool from the wiring loom repair kit. –  Raise vehicle. –  Remove wheel. –  Release plug connection on ABS speed sensor and disconnect plug connection. –  Remove defective ABS speed sensor cable. Installing: –  Draw in new wheel speed sensor cable. –  Connect wheel speed sensor cable to ABS speed sensor.

–  Clip on speed sensor cable -arrows- and mount in bracket -1-. –  Actuate steering from left to right up to the stop and check for free movement of the wheel speed sensor cable.   Note When assembling the wheel speed sensor cable make sure it is not twisted when installed in the wheelhouse. –  Attach the wheel → Chapter. –  Lower the vehicle.

–  Insert contact in the plug housing and insert the single cable seal with a suitable plug-in tool from the wiring loom repair kit up to the stop. –  Secure contacts by sliding the secondary lock (purple).

–  Insert catch -arrow A- of the cap -1- into the recess -arrow B- of the bottom part -2- of the multi-pin connector. –  Swivel cover -1- in -direction of the arrow- and lock into position with the bottom part -2- of the multi-pin connector. –  Mount new cable strap for wiring loom on multi-pin connector. –  Insert the multi-plug connector on the ABS control unit -J104- and lock. Vehicles with TDI PD Turbocharger engines

–  Install charge-air pipe at the top -1- with connecting hose -2- → engine; Rep. gr.21. Continued for all vehicles –  Install engine cover → engine; Rep. gr.10. –  Connect battery → Electrical System; Rep. gr.27. –  Perform vehicle system test with vehicle diagnosis, measurement and information system -VAS- → Chapter.

Tightening torque:

Wheel bolts

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