S60 L5-2.4L VIN 64 B5244S6 (2003)
Trouble-shooting information
Condition
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No SWM diagnostic trouble codes are displayed in the CEM
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No diagnostic trouble codes are displayed in the PHM.
Possible source
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Open circuit, short-circuit to earth or short-circuit to voltage supply on the wire
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Defective RTI switch unit
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Defective audio/telephone switch unit
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Defective cruise-control switch unit.
Fault symptom[s]
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Audio/telephone switch unit does not work.
Checking the Audio/Telephone Switch Unit
Checking the audio/telephone switch unit
Checking the components
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Ignition on.
Activate buttons and read status on audio/telephone switch unit buttons.
If read-out gave a correct result the fault is not in the SWM unit.
