Checking the Cable

Check fuse 17 in the fusebox in the passenger compartment.

Measure the voltage between terminals #F1 and #F2 on the amplifier. Voltage should be approximately 12 V.

Other information:

Fig 1: Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected?

YES
OKAY: Troubleshooting has been completed.
NO
Refer to Checking the Component

HINT: Connect the two green connectors together between the loudspeakers and the amplifier.

Check the cable between the head unit/audio control module terminal #B1 and the left front loudspeaker (+). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B2 and the left front loudspeaker (-). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B5 and the right front loudspeaker (+). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B6 and the right front loudspeaker (-). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B7 and the left rear loudspeaker (+). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B8 and the left rear loudspeaker (-). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B11 and the right rear loudspeaker (+) in the door. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B12 and the right rear loudspeaker (-) in the door. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B11 and the right rear loudspeaker (+) in the parcel shelf. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between the head unit/audio control module terminal #B12 and the right rear loudspeaker (-) in the parcel shelf. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Remedy as necessary.

Other information:

See Radio/Carphone, Replacing (For -2004) and Audio Unit, Replacing (For 2005-)
See Connecting the breakout box, Audio control module
See Signal specification, audio control module

Fig 1: Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

HINT: Connect the two green connectors together between the loudspeakers and the amplifier.

Check the cable between amplifier terminal #B1 and the left front loudspeaker (+). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B2 and the left front loudspeaker (-). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B5 and the right front loudspeaker (+). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B6 and the right front loudspeaker (-). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B7 and the left rear loudspeaker (+). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B8 and the left rear loudspeaker (-). Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B11 and the right rear loudspeaker (+) in the door. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B12 and the right rear loudspeaker (-) in the door. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B11 and the right rear loudspeaker (+) in the parcel shelf. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Check the cable between amplifier terminal #B12 and the right rear loudspeaker (-) in the parcel shelf. Check for a short-circuit to supply voltage according to Short-Circuit To Supply Voltage. Permanent Faults . Check for a short-circuit to ground according to Short-Circuit To Ground, Permanent Faults . Check for an open-circuit according to Open-Circuit, Permanent Faults .

Remedy as necessary.

Other information:

Fig 1: Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected?

YES
OKAY: Troubleshooting has been completed.
NO
Refer to Replacing the Component