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Home >> Volvo >> 2001 >> S40 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio Equipment - Removal, Installation, & Inspection (644 Body) >> Entertainment Systems >> Checking amplifier and loudspeaker wiring >> Checking cable

Checking cable

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

Check the cable between amplifier #B1 and front left loudspeaker  (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B2 and front left loudspeaker  (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B5 and front right loudspeaker  (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B6 and front right loudspeaker  (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B7 and rear left loudspeaker  (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B8 and rear left loudspeaker  (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B11 and rear right loudspeaker  (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Check the cable between amplifier #B12 and rear right loudspeaker  (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .

Remedy as necessary.

Other information: 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.

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