How do you disconnect a Toyota battery?
Removal
- Find the negative terminal.
- Take hold of the bolt head of the negative terminal with a wrench or pliers and hold it still.
- Use other pliers or wrench to remove the nut, then pull off the negative cable and secure it away from the battery.
What terminal do you disconnect when working on a car?
If you disconnect the positive, any thing you are working on may come in contact with the now exposed positive battery terminal. While the chance of that happening are slim, far less surprises await you if you accidently touch the exposed negative teminal. Always disconnect the negative terminal first .
How do I disconnect the power in my car?
How to Disconnect Your Vehicle’s Battery
- Step 1: Locate the Battery. Most vehicles have them bolted in place under the hood.
- Step 2: Locate the Positive and Negative Terminals. Jeff XuCar and Driver.
- Step 3: Find the Right Wrenches. Getty Images.
- Step 4: Unbolt the Cables.
- Step 5: Remove the Battery Hold-Down Clamp.
Does disconnecting a car battery reset the computer?
While disconnecting the battery is the most common method of resetting your computer, it’s not always the best way. That’s because disconnecting the car battery causes your computer to lose its memory. So, things like your preset radio stations, shift points, and your car’s ideal fuel/air mixture are forgotten.
Should you disconnect positive or negative when working on car?
When disconnecting the cables from the old battery, disconnect the negative first, then the positive. Connect the new battery in the reverse order, positive then negative.” When you are replacing your car battery, It isn’t always easy to remember the order in which to disconnect and reconnect the terminals.
How do you clear an engine fault?
An even simpler way to clear the engine management light is to turn the ignition on and off. This approach achieves the same outcome as the previous step, but without disconnecting the battery. Turn the ignition on and off three times, pausing a second between each cycle. The engine management light should go off.
How do I clear battery disconnect codes?
Leaving the battery disconnected for about 15 minutes will ensure the vehicle systems will completely reset when you reconnect the battery. Secure the negative cable back to the terminal and cover it with the cap (if applicable). Disconnecting the battery will clear the error codes and reset the check engine light.