Skoda Workshop Service and Repair Manuals > Fabia Mk2 > Power unit | 1,2/63; 77 kW TSI engine | Fuel supply, gas operation | Fuel tank and fuel delivery unit | Testing fuel pump

Check power consumption

For the vehicles Fabia II

–	Position right rear seat vertically → Body Work; Rep. gr.72.

For the vehicles Roomster

–	Fold back the middle and rear seat and position vertically → Body Work; Rep. gr.72.

For the vehicles Octavia II

–	Removing rear seat bench → Body Work; Rep. gr.72.

For the vehicles Octavia II, Yeti

–	Remove rear seat bench with brackets → Body Work; Rep. gr.72.

–	Remove floor covering under the rear seat bench.

For the vehicles Fabia II, Roomster

–	Unclip the cover -1- with the fuel pump control unit -J538--2-.

For the vehicles Octavia II, Yeti

–	Unclip the cover -4- with the fuel pump control unit -J538--1-.

Continued for all vehicles

–	Connect the current probe -A- of the vehicle diagnosis, measurement and information system -VAS 505X- on the line -B- to contact 1 of the 5-pin plug.

If the current probe cannot be connected on the line -B- to contact „1“ of the 5-pin plug because of the length of the insulation:

–	Connect the adapter for measuring method/DSO (5-pin) -VAS 5565- to the plug and to the fuel delivery unit.

–	Connect the current probe -A- to the red cable - with the lettering „current probe“ - of the adapter for measuring method/DSO (5-pin) -VAS 5565-.

Continued for all

–	Start engine and run in idle.

–	Measure voltage consumption of the fuel pump.

Specified value: max. 9 A

Note

If the fault in the fuel supply system is intermittent then tests can be undertaken during a test drive but then two people are required for this.

If the specfied current uptake is exceeded:

–	Fuel pump defective, replace the fuel delivery unit:

t	Fabia II, Roomster → Chapter.

t	Octavia II, Yeti (version l.) → Chapter.

t	Yeti (version II.) → Chapter.

Skoda Workshop Service and Repair Manuals