Checking voltage supply of fuel pump G6, engine codes CFFA, CFFB, CFGB, CLLA — VW

🧭 Before you start

Fits: VW Passat CC (357, 2008–2012)

• Special tools named: VAS 5565

Don't miss

• The fuel pump is now activated for 30 seconds.

🔧 Engine codes this applies to

📋 Procedure

1. Remove rear bench seat General body repairs, interior72Rear seat; Removing and installing bench seat / individual seats.
2. Raise cover of fuel delivery unit.
3. First check that connector (arrow) is fitted securely by pulling connector without pressing catch. The connector can cause a fault if it has not been fitted correctly.
4. Pull connector off fuel delivery unit flange.
5. Connect test instrument/DSO adapter (5-pin)VAS 5565 between connector and flange.

6. Connect hand-held multimeterV.A.G 1526D to contacts (1) and (5) of adapter.
7. Connect Vehicle diagnosis tester and then carry out "“Guided Fault Finding, Checking electrical fuel pump(s)”". [Note: The fuel pump is now activated for 30 seconds.]
8. Read voltage value on hand-held multimeterV.A.G 1526D: specification = approx. battery voltage.
9. Check activation of fuel pump relay and wiring for an open or short circuit .
10. Check current consumption of fuel pump.

Other VW procedures

• Removing and installing anti-theft engine control unit J623, Scirocco
• Removing and installing engine control unit, Eos – VW 2.0 TDI
• Removing and installing pump for exhaust gas recirculation cooler V400
• Removing and installing exhaust gas temperature sender 2G448
• Removing and installing exhaust gas temperature sender 4G648
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures