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This original OEM refurbished ECM fits the 2009-2010 Toyota RAV4 with the 4-cylinder 2.5L engine and automatic transmission (A/T), and Front-Wheel-Drive (FWD, a.k.a. 4×2).
The part number is 89661-42J81 (“J3”), and it supersedes the part number 89661-42J80 (“J3”).
WARRANTY
This unit includes a warranty against defects, with the term of the warranty described at the top of this page.
COMPATIBILITY
If your ECM has any of the following numbers, this replacement is 100% compatible.
89661-42J80
89661-42J81
275400-0620
590-53187A
ECM LOCATION
The ECM is located in the engine compartment, behind the left-hand headlight assembly (driver side).
SPECIAL INSTRUCTIONS
This ECM might need to be synchronized with your car’s immobilizer system, and you can easily do it yourself.
Here is how it works:
1. When ordering this ECM, please provide your car’s VIN number in the provided form at the checkout page, so we can program it to the ECM before shipping it to you.
2. If you receive and install your programmed ECM and the engine starts, then you are done and ready to go. Otherwise, if the engine fails to start, then the immobilizer synchronization process must be done so the ECM adapts to your car keys. In that case, please see #3 below.
3. With your ECM, you will also receive detailed instructions and the tool (jumper) to do the synchronization yourself in case it is needed. The process is easy, automated, and takes about 30 minutes once it is started. No tools needed other than the included jumper, and your car’s battery must be fully charged.
It is a simple jumper to join pin #4 and pin #13 from the diagnostic port for auto-programming, but we enclosed it in an OBD-II plug enclosure to make it easier for you.

WHAT’S IN THE PACKAGE?
-Refurbished ECM 89661-42J81 for 2009-2010 Toyota RAV4 2.5L
-OBD-II Immobilizer Sync Jumper Tool
-Detailed instructions
-Receipt of the order
QUESTIONS
For any questions about this product, please feel free to send it to us by clicking the “ASK ABOUT PRODUCT” tab on this page and filling out the short contact form.
This is a refurbished product. It has been put back to factory functioning conditions and has been tested and made sure that it works as new. In addition, a reasonable warranty has been included for the peace of mind of our customers.
Some images shown here will be for the only purpose of identifying the product, while in some other cases, the images are the actual product images. That been said, the product you receive may vary slightly from the images shown here. Nevertheless, we always pick the best and cleanest one we have available at the moment of shipping your order :)
TAGS: 2009 rav4 replacement ecu, 2010 replacement ecu, 89661-42j80, 89661-42j81





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