Audi Workshop Service and Repair Manuals

• ‒ Read measured value block, Display Group 2, engine at idling speed

• ‒ Check display in display zone 4.

• Specification: 2.0 - 4.0 g/s:

If the specification is not obtained:

• ‒ Switch off ignition.
• ‒ Remove connector from air mass meter =>Installation position overview, page 24-4
• ‒ Switch the ignition on.

• ‒ → Connect the multimeter for voltage measurement to the following contacts on the connector:

If the specified values are not obtained:

• ‒ Connect test box V.A.G 1598/22 to wiring harness for engine control unit
  .

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

• ‒ Rectify any open/short circuit as necessary.

If no wiring fault is detected:

• ‒ Replace air mass meter (G70).