audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Sensors and Switches - Fuel Delivery and Air Induction > < With Manufacturer's Scan Tool|Page 5929
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Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring
Test

-

Check the following wire connection for open circuit according to wiring diagram:

Relay carrier in E-box, plenum

Test box

chamber, position 3
Terminal

Socket

4

23

-

Specified value: Wire resistance max 1.5 Ohms

-

Also check the wire for short circuit to B+ and Ground (GND).
-

Specified value: infinity Ohms (no continuity)

-

If necessary, repair wire connection.

If no malfunctions are detected:

-

Replace Motronic Engine Control Module (ECM) voltage supply relay -J271-.

Sensors and Switches - Fuel Delivery and Air Induction > < With Manufacturer's Scan Tool|Page 5929