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jana_jones2

Lexus SC Blower Motor Failure

Hi, I have a 2004 Lexus SC with a gasoline engine. The fresh air blower is not working. The blower motor doesn't run at all and I'm getting an error code in the system. Mileage is 41044 km. Could it be the blower motor?

Summary of the thread

The conversation centers around a 2004 Lexus SC with a non-functioning fresh air blower motor and an error code. The initial suspicion is a faulty blower motor, but other potential causes include the fan speed controller or related fuses. It is suggested to check these components first, as they could also lead to similar issues. Ultimately, a professional diagnostic confirms the blower motor as the problem, leading to its replacement.

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4 comment(s)

jessica_schaefer29

Indeed, given that the blower motor isn't functioning and an error code is present, the blower motor itself is a strong suspect. Have you checked the fan speed controller or any relevant fuses linked to the climate control or HVAC system? A failure in either could also manifest similarly. While a defective blower motor is plausible, exploring these simpler potential causes first would be prudent.

jana_jones2 (community.author)

Thanks for the advice. Where exactly is the fan speed controller located on this model? Also, is there a relay associated with the blower motor that I should check?

jessica_schaefer29

The fan speed controller is generally found in the vicinity of the blower motor, often mounted on the blower motor housing itself within the HVAC unit. Regarding a relay, yes, there's typically a relay involved in the blower motor circuit. Consulting the vehicle's wiring diagram will pinpoint its precise location. While you can investigate these components, considering the symptoms and error code, it's advisable to have a workshop perform a comprehensive diagnostic to confirm the blower motor's condition. This will avoid unnecessary component replacements.

jana_jones2 (community.author)

Okay, thanks for the detailed info. I took it to a shop, and you were right - it was the blower motor. Repair cost was 365€.

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LEXUS

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SC