IAM-B1A0111 Speaker #1. General Electrical Failures. Circuit Short To Ground (2012): Fault-Tracing: Fault-Tracing

Check if similar diagnostic trouble codes are stored in one or any of the other loudspeakers.

Fig 1: Identifying Loudspeaker

Courtesy of VOLVO CARS CORPORATION

Are there similar DTCs in several loudspeakers? 

• YES 

  Refer to FAULT-TRACING 

• NO 

  Refer to FAULT-TRACING 

Rectify in the following order: 

1. Check the connectors to the control module. Check for contact resistance, loose connections and oxidation.
2. Check the connector to the loudspeaker. Check for contact resistance, loose connections and oxidation.
3. Check relevant signals using wiring diagram  , signal specification  and breakout box  .
4. Perform a visual inspection of the cable between the control module and loudspeaker. If necessary, install a new cable.
5. Check the loudspeaker.

Other information 

• see LOCATION OF COMPONENTS
• see CHECKING WIRING AND TERMINALS
• see CHECKING THE SUPPLY VOLTAGE/GROUND TERMINAL
• see SIGNAL DESCRIPTION, INTEGRATED AUDIO MODULE (IAM)
• see CONNECTING THE BREAKOUT BOX
• see JOINING CABLES
• see LOUDSPEAKER, SIDE DOOR FRONT
• see LOUDSPEAKER SIDE DOOR, REAR

Fig 1: Identifying Loudspeaker

Courtesy of VOLVO CARS CORPORATION

Has the fault been remedied? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to FAULT-TRACING 

Rectify in the following order: 

1. Check the connector to the loudspeaker. Check for contact resistance, loose connections and oxidation.
2. Check the connectors to the control module. Check for contact resistance, loose connections and oxidation.
3. Check relevant signals using wiring diagram  , signal specification  and breakout box  .
4. Perform a visual inspection of the cable between the control module and loudspeaker. If necessary, install a new cable.
5. Check the loudspeaker.

Other information 

• see LOCATION OF COMPONENTS
• see CHECKING WIRING AND TERMINALS
• see CHECKING THE SUPPLY VOLTAGE/GROUND TERMINAL
• see SIGNAL DESCRIPTION, INTEGRATED AUDIO MODULE (IAM)
• see CONNECTING THE BREAKOUT BOX
• see JOINING CABLES
• see LOUDSPEAKER, SIDE DOOR FRONT
• see LOUDSPEAKER SIDE DOOR, REAR

Fig 1: Identifying Loudspeaker

Courtesy of VOLVO CARS CORPORATION

Has the fault been remedied? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to FAULT-TRACING 

Rectify in the following order: 

1. Use VIDA Vehicle communication (Volvo scan tool)  . Read off the parameters, activate components and functions, carry out quick tests and checking routines for the diagnostic trouble codes to identify the fault.
2. Check relevant components according to Component specifications  .
3. Remedy as necessary.

Fig 1: Identifying Loudspeaker

Courtesy of VOLVO CARS CORPORATION

• Continue 

  Refer to INFORMATION