audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 5927 > < With Manufacturer's Scan Tool|Page 5925
Page 1
background image

Main Relay (Computer/Fuel System): Testing and Inspection
With Generic Scan Tool

Check Motronic Engine Control Module (ECM) Power Supply Relay -J271-and Activation

Special Tools and Equipment

-

VAG1526A hand multimeter

-

VAG1594A connector test kit

-

VAG1598/31 test box

NOTE:  Motronic Engine Control Module (ECM) Power Supply Relay -J271- is not installed on all versions.

Test requirement:

-

Ignition switched off.

Test sequence

With Manufacturer's Scan Tool|Page 5927 > < With Manufacturer's Scan Tool|Page 5925