Checking The Component And Wiring

Check the power supply cable. Check for a short-circuit to supply voltage.

Take a reading at connector A for the phone module (PHM) between terminals #7 (#7) and #6 (#6).

Try replacing the carphone handset if no fault is found in the wiring.

Remedy as necessary.

Other information: 

• see SIGNAL SPECIFICATION
• see CONNECTING THE BREAKOUT BOX
• see LOCATION OF COMPONENTS
• see PHONE MODULE (PHM)
• see TELEPHONE HANDSET
• see CONTENTS

Fig 2: Identifying Connector A Terminals

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Volts Display

Courtesy of VOLVO CARS CORPORATION

Fig 4: Identifying Handset Cradle

Courtesy of VOLVO CARS CORPORATION

Refer to VERIFICATION