Checking the power supply and ground for the upper electronic module (UEM)

Check that the fuse for the control module is intact.

For further information about the fuse and terminal pin numbers, see appropriate wiring diagram article.

Check the power supply and ground for the upper electronic module (UEM) as follows.

Remedy as necessary.

Other information: 

• See Checking the ground terminal
• See Contents

Was a fault detected? 

• YES 

  Refer to Checking the function of the upper electronic module (UEM) 

• NO 

  Refer to Signal missing