Admin Table of Contents
Where is the ECU on a 2001 Toyota Corolla?
The 2001 Toyota Corolla ECU location is underneath the center storage box, behind the ashtray and 12V powerpoint. Your ECU is a computer system that operates by way of a network of sensors. These sensors monitor fuel economy as well as emissions, fuel injection, and many other aspects of how Your engine functions.
Is it easy to replace an ECU?
Whilst you can adjust and replace the ECU in a vehicle that is predates 2001, you may have difficulty with newer cars. Many of these have complex computer systems and you will have to take them into an authorised dealer to have reconfiguration work performed under the hood.
How do you know when your car computer is bad?
Usually a bad or failing ECU will produce a few key symptoms that can alert the driver of a potential issue.
- Check Engine Light comes on. An illuminated Check Engine Light is one possible symptom of a problem with the ECU.
- Engine stalling or misfiring.
- Engine performance issues.
- Car not starting.
Do you have to reset the ECU when you change a car?
You do not have to reset the ECU when you modify the vehicle, it will learn over a couple of hundred K’s. The purpose of “resetting” and ECU is to clear error codes when there’s a problem.
How to remove the ECU from a Toyota?
Open the glovebox and remove the three screws along the top of the door pictured here. There is another screw (not pictured) on the lower left corner of the glovebox to be removed. It’s also a phillips head. Pull the glovebox door down and out towards you in a quick motion and it will snap out. Now you can see the ECU and all it’s wiring.
What should I do if my ECU light comes back on?
Drive the car for at least 10 miles for the ecu to learn, if there is a problem with your vehicle then the check engine light will come back on and you can analyze the fault code that the ECM throws. These codes will guide you towards the root of the problem and you can begin replacing parts to try to fix the issue.
Where to reset the ECU on a RAV4?
To reset the ECU, pull & reseat the EFI fuse in the fusebox under the hood, rearward of the battery. That fuse powers the ECU. 2015 RAV4 Limited, AWD, tech pkg, Barcelona red metallic, 85k miles. 1996 Avalon XLS, ABS brakes, super white II, acquired w/ 139k, now at 417k. 1998 RAV4 2dr soft top, 5 spd, AWD, 170k miles.