Cooling Fan Motor (960)
- Turn ignition off and remove fuse No. 24. Connect Measuring Unit (999 3070) between ECU and ECU connector. See Figure . Turn ignition on.
- Connect voltmeter across measuring unit terminals No. 14 and 19. Battery voltage should be present. Connect voltmeter across terminals No. 34 and 19. Battery voltage should be present.
- 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.