Why does the Check Engine light come on on my Toyota RAV4?

Why does the Check Engine light come on on my Toyota RAV4?

15 people found this helpful. Our 2007 6-cylinder RAV4 with 80k miles had the VSC, 4wd, & Check Engine lights all come on, and the engine was in a rough idle. After a few disconnecting the battery and reconnecting, the lights appeared. Another Forum said it may be due to a faulty spark plug coil.

Why does the VSC light come on on my 2011 RAV4?

On my 2011 RAV4 this is all due to a poor design of rubber tubing downstream (to the left) of the Mass Air Flow Sensor. This tubing is a “press fit” into the air manifold and twice it has worked its way out of the manifold. When it does, the 3 lights that come on are always VSC, Check Engine & 4WD.

What is the OBD code for a Toyota RAV4?

Sounds like the parts place she went to used a high end professional scanner that reads more than just OBD codes. OK NOLAgirl, the C1249 is an open in the stop light switch circuit. This could be as simple as a bad brake light switch on your brake pedal. The C1201 code is Engine Control System Malfunction.

Where are the VSC, 4WD and check engine lights?

When it does, the 3 lights that come on are always VSC, Check Engine & 4WD. Before taking your vehicle to any dealer, please open your hood and look to the manifold to the left (downstream) of your air filter.

What’s the battery voltage on a Toyota Rav?

After about 3 days my 2007 rav battery has gone from 12.1 volts to 13.1 volts. The warning lights no longer come on. I am still desulfating, so I will report where the voltage peaks at. A Raytek MT6 is the best way to verify this. A thorough check is made with horizontal sweeps.

What is the OE number on a Toyota RAV4?

The Toyota OE part number is: 894650R020 – most local parts stores can “cross over” or “interchange” this part number to the correct version of the after market brand they carry. Make sure to check the fuses in the dash fuse box and the under hood fuse block (labeled in red in images below).