Skoda Yeti 20 TDI CR Fuel Pump Testing - Workshop Service Manual

Checking function and voltage supply of fuel pump

Special tools and workshop equipment required

t	Measuring tool set, e.g. -V.A.G 1594 C-

Test conditions

l	Battery voltage at least 12 V.

l	Fuses o.k. → Current flow diagrams, Electrical fault finding and Fitting locations.

l	All electrical components such as lights and rear window heater must be switched off.

Test sequence

Note

t	Observe safety measures when working on the fuel system → Chapter.

t	Observe rules for cleanliness → Chapter.

For the vehicles Octavia II, Superb II

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

For the vehicles Yeti

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

–	Remove floor covering under the rear seat bench.

For all vehicles

–	Unclip retaining catches -arrows- of cover for the fuel delivery unit and remove cover.

Note

For vehicles with auxiliary heating, the plug connection for the dosing pump -V54- must also be disconnected.

–	Switch on ignition.

l	The fuel pump must be heard to start running.

–	Switch off ignition.

If the fuel pump does not run:

–	Continuing searching for faults using a multimeter → Current flow diagrams, Electrical fault finding and Fitting locations.

Skoda Yeti Service and Repair Manuals