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

Check that the fuse for the control module is intact.

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 Checking wiring and terminals

Was a fault detected? 

• YES 

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

• NO 

  Refer to Signal missing