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Home >> Volvo >> 1993 >> 960 4D Sedan, AW30-40 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Miscellaneous Controls >> Cooling Fan >> Cooling Fan Motor
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Cooling Fan Motor

  1. Turn ignition off and remove fuse No. 24. Connect Measuring Unit (999 3070 ) between ECU and ECU connector. See Figure . Turn ignition on.
  2. Connect voltmeter between measuring unit terminals No. 14 and 19. Battery voltage should be present. Connect voltmeter between measuring unit terminals No. 34 and 19. Battery voltage should be present.
  3. If no voltage is present at control unit, check voltage supply to relay. If voltage is present, check wiring between fan motor, relay and ground.
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