Why is the speedometer on my RAV4 not working?
Recently, the speedometer on my 2002 Rav4 (4.2) VVTi 1998cc Petrol, failed. To begin with, I was driving down the motorway, and the needle went nuts, dropping to 0 MPH then coming back up to my cruising speed, on and off in quick succession. After about 5 minutes of the speedometer needle bouncing up and down, it finally stopped altogether.
Why is my speedometer not working on my Aveo?
The causes of a bad speedometer will typically be found in these four things: VSS – A faulty speed sensor will often be accompanied by the P0500 (VSS circuit malfunction) trouble code. The speed sensor does more than just control the speedometer, it also helps to control the cruise control system and may even affect the way that the engine runs.
What to do if your speedometer is not working?
Instrument panel first. If your Toyota Rav4’s speedometer is not working, the first place to go would be to check the service engine soon light (if applicable). Now, take it out and see if the cruise control still works. If it does, that’s a pretty good indication that the vehicle speed sensor is just fine.
What is the ECU on a Toyota RAV4?
ECU – Your Rav4’s Engine Control Unit (ECU for short) is the computer that takes all of the information that the vehicle sensors compile and uses it to control the vehicle systems, and sends important vehicular telemetry data to the driver via the instrument cluster.
Why does the speedometer needle not go back to normal?
However, you know you did not increase your speed. The needle might stay there, or it might go back to normal and repeat the jump a few seconds or minutes later. There will likely be no indicator lights flashing. Possible problems: the speed sensor on the passenger axle may need to be replaced. The speedometer cable may be damaged or broken.