Checking the power supply and ground for the road traffic information module (RTI)

Check that the fuse for the control module is intact.

Check the power supply and ground terminal for the road traffic information module (RTI).

Also check fuse and power supply for the Audio module (AUM).

Remedy as necessary.

Other information: 

• See Checking the ground terminals
• See Checking wiring and terminals

Was a fault detected? 

• YES 

  Refer to Checking the function of the road traffic information module (RTI) 

• NO 

  Refer to Signal missing