Checking The Power Supply And Ground For The Phone Module (PHM)

Check that the fuse for the control module is intact.

Check the power supply and the ground terminal for the phone module (PHM).

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 PHONE MODULE (PHM) 

• NO 

  Refer to SIGNAL MISSING