Audi Workshop Service and Repair Manuals

• ‒ Remove connector from valve =>installation positions overview, Page 23-3.
• ‒ → Connect multimeter to injector to measure resistance.

• Specified value: 14...20 ω

If specified value is not attained:

• ‒ Replace valve.

If specified value is attained:

• ‒ → Connect multimeter between earth and contact 2 on the connector to measure the voltage.
• ‒ Switch the ignition on.

• Specified value: approx. battery voltage

If specified value is not attained:

• ‒ Connect test box V.A.G 1598/22 to wiring harness for engine control unit =>Page 23-39.

The following wiring connections are to be checked for open circuits and/or short to positive or negative.

• ‒ Rectify any open/short circuit as necessary.