Checking voltage supply of fuel pump G6, engine codes CFHC, CFHF, CFJA, CLCA, CFJB — VW

🧭 Before you start

Fits: VW Touran I (1T, 2003–2015)

• Special tools named: VAS 5565
• Renewed: fuel delivery unit

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• Switch on ignition. The fuel pump must be heard to run for about 2 seconds.
• The fuel pump is now activated for 30 seconds.

🔧 Engine codes this applies to

📋 Procedure

1. Disconnect connector from supplementary fuel pump V393 or fuel pump 2V277(Inline EFP) in engine compartment.
2. Remove seats of the 2nd row of seats from the vehicle.
3. Detach floor covering at rear and fold back General body repairs, interior70.
4. Remove cover from fuel delivery unit.
5. Switch on ignition. The fuel pump must be heard to run for about 2 seconds.

6. Switch off ignition.
7. Pull connector off fuel delivery unit flange.
8. Connect test instrument adapter/DSO (5-pin)VAS 5565 between connector and flange.
9. Connect hand-held multimeterV.A.G 1526D to contacts (1) and (5) of adapter.
10. Connect diagnosis tester and perform the guided function "“Checking electric fuel pump(s)”". [Note: The fuel pump is now activated for 30 seconds.]
11. Read voltage value on hand-held multimeterV.A.G 1526D: specification = approx. battery voltage.
12. Check activation of fuel pump relay and wiring for an open or short circuit .
13. Remove fuel delivery unit .
14. Check that electrical wiring between flange and fuel pump is connected and has continuity.
15. Renew fuel delivery unit.

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