S60 L5-2.4L VIN 64 B5244S6 (2003)
Blower Motor: Testing and Inspection
Checking The Blower Fan Control
Trouble-Shooting Information
Condition
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No diagnostic trouble codes are stored
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Fault is permanent.
Possible source
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Motor signal wire has open circuit or short circuit to ground
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Control signal wire has open circuit or short circuit to voltage supply/ground
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Diagnostic signal wire has open circuit or short circuit to voltage supply/ground
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Motor ground wire has open circuit or short circuit to voltage supply
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Defective fan motor or power unit
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Fan motor blocked
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Contact resistance, oxidation or loose contact in connector.