USED GENUINE OEM PART REMOVED FROM 2009 BMW 335i E90 SEDAN. Generation E90. Model 335i. FOR SALE - Radiator Fan Relay With Housing. BMW PART # 61366901469, K9137. S0663 Radio BMW Professional. S0431 Interior rear-view mirror with automatic anti-dazzle function. Buy OEM 2003 Mazda Part # L3P567730 (L3P5-67-730). Engine Cooling Fan Motor Relay. Radiator Fan Relay - Repair or Replace If your engine is overheating, one possible cause could be a I have the same problem. When I turn on the AC the fan turn on but if I turn off the Air conditioner the fan turn off. I verify the Main Fan Relay and this relay is good but doesnt recive the 12V to the coil. I verify the diagram and I see that signal comes from the ECU. I think that may be some sensor is not working but Iam not sure.
Another easy way you can check if the radiator fan switch relay is bad is to swap the radiator fan relay with the condenser fan relay. If the radiator fan begins working, this is an indication that the fan relay is bad. If the fan switch relay is giving off the appropriate readings and is in working condition, move on to the next step.Buy 1978 Toyota Cressida WAGON, L RELAY ASSEMBLY, COOLER; RELAY, CHOKE CONTROL; RELAY, COOLING FAN - OEM Toyota Part # 9098703001 (90987-03001) Toggle Navigation Toyota Parts Direct