Motronic Engine Control Module (ECM) power supply relay -J271-, checking: Notes

Fig 1: Identifying VAG 1526A Or Fluke 83 Multimeter, VAG 1594A Connector Test Kit And VAG 1598/31 Test Box

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools and equipment

VAG1526A or Fluke 83 Multimeter
VAG1594A Connector test kit
VAG1598/31 Test box

Component location. Refer to Overview of component locations .

NOTE: The Motronic Engine Control Module (ECM) power supply relay -J271- supplies voltage to the ignition coils with power output stages and the Engine Control Module (ECM) at pin 121.