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Checking current consumption of fuel system pressurisation pump — VW

Checking current consumption of fuel system pressurisation pump on VW: 12 steps, engines CAYB, CAYC, CBAA, CBAB.

Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.

12 steps 8 engine codes engine codes merged from 3 documented variants

🧭 Before you start

Fits: VW Jetta VI (16, 2010–2018), VW Golf V / Jetta (1K, 2003–2009); platform code AJ5

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

Don't miss

  • Pickup clamp of hand-held multimeterV.A.G 1715 can also be connected to red terminal with lettering "“pickup clamp”" of test instrument adapter/DSO (5-pin)VAS 5565.
  • The fuel pump is now activated for 30 seconds.

🔧 Engine codes this applies to

CAYBCAYCCBAACBABCBACCBBBCBDCCLNA

📋 Procedure

  1. Fold rear seat bench up General body repairs, interior72Rear seats.
  2. Lift up cover of fuel delivery unit.
  3. First check plug (arrow) is firmly seated. To do this, pull against connector without pressing locking mechanism.
  4. Pull off connector (4).
  5. Connect test instrument/DSO adapter (5-pin)VAS 5565 to connector and fuel delivery unit.
CAYB? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Connect pick-up clamp (A) to red cable - with lettering "“pick-up clamp”" - of test instrument/DSO adapter (5-pin)VAS 5565. [Note: Pickup clamp of hand-held multimeterV.A.G 1715 can also be connected to red terminal with lettering "“pickup clamp”" of test instrument adapter/DSO (5-pin)VAS 5565.]
  2. Switch ignition on.
  3. Connect vehicle diagnosis tester and carry out guided function "“Checking electric fuel pump”". [Note: The fuel pump is now activated for 30 seconds.]
  4. Read current draw on hand-held multimeterV.A.G 1526D: Specification: min. 8.0 amperes, max. 14.0 amperes.
  5. Remove fuel delivery unit .
  6. Check that the electrical lines between flange and fuel pump are connected and have continuity.
  7. Renew fuel delivery unit

Other VW procedures

Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

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Workshop data on this page last updated 20 Sep 2026.