Part Number

89661-42C21 - You must match this exactly or the ecu will not function properly in the vehicle.

Fitment/Interchange

• You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly.
• Ecu will require programming or coding to your vehicle or vehicle's security system and is not plug and play.
• Ecu will fit 2006 Rav4 4x2 A/T models with an exact part number match.

Tech Notes

ECU has been tested with our state of the art vehicle simulator which tests over 25 circuits of the ECU! Some of those are listed below:
• Reference Voltage Good!
• ECU powered up and has communication!
• ECU fuel pump/main relay test good!
• ECU injectors/coils test good and much more!

Install Notes

• Disconnect the negative terminal of the battery. Make sure the battery connector is not touching the battery post.
• Disconnect and remove the module to be replaced.
• Install and connect the replacement module.
• Connect the negative terminal of the battery.
• Ecu will now need programming or coding to your vehicle.

Item Condition

• Mounting points are all intact
• Pins perfect, none are broken or bent

Warranty / Optional Core Return

This ECM comes with a 90 day warranty from the date of purchase. Please keep a copy of your purchase record which we will send with your item.

If you would like to send your core in for a $15 partial refund let us know during checkout and we will send you a prepaid return label. It's that simple. Once received your refund will be processed promptly. This is optional and you are not obligated to send your core back to us.