volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3612 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3610
Page 6
background image

-

Connect diode test lamp to connector of fuel injector to be tested terminal 1 and Ground (GND).

Vehicles with engine code BDF

-

Connect diode test lamp to connector of fuel injector to be tested terminal 1 and Ground (GND).

Continuation for all vehicles

-

Operate starter and test voltage supply for fuel injector.
LED must light up.

-

Switch ignition off.

If LED does not light up:

-

Check wire between 2-pin connector terminal 1 and the Fuel Pump (FP) Relay -J17- for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohm

Activation and voltage supply, checking

Vehicles with engine code AFP

-

Connect diode test lamp to the connector terminals of the fuel injector to be checked.

Vehicles with engine code BDF

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3612 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3610