like most cars just disconnect the hot cable on the battery, that usually works on most cars
If you have an error code reader use it and the error code. If you don't have it, some car stores can read error codes for you (Auto Zone does). When you know the error code you decide what to do.
Check the car computer for error codes, google them.
Because error codes only diagnos engine problems. ABS is part of the braking system, not the engine.
www.toyotacelicaonline.com/error.htm
Trouble code P0171 means:System too lean (Bank 1)
bank 1,sensor 1 oxygen senor by exhaust manifold
Error codes are codes that tell when a computer or car is having problems and a rough idea as to what the are. Beyond that, we will need a more specific question.
Some auto parts stores have an instrument that reads error codes and don't charge you for the service. Ask them to check your car for the computer's error codes. This will tell you where the problem is. The most likely problem is an O2 (Oxygen) sensor fault. I believe you have 4 of them on a 95 Camry 6 cylinder.
There are thousands of reasons. You need to pull out error codes. You can do it at local autozone store.
You could have a wiring issue between the computer and the light, or you have a bad computer.
It will be to the left of the thermostat housing, in the intake.
If you don't have an own error code reader. You can use a free service at Auto Zone. They can pull trouble codes out for you for free.