How long can you drive with the ABS light on?
Driving with the ABS Light on is not a good idea because it means your ABS is not working properly. This means your vehicle may not handle like it is designed to under heavy braking. If both your ABS Light and brake system light come on, this is an emergency and you need to stop driving right away.
What causes a Grand Prix ABS light to go off?
Improper tire size, such as two different sizes, will cause the wheels to turn at different speeds and may set a false code when the computer senses this as potential wheel lock-up. Low fluid level in the brake master cylinder will result in shutdown of the ABS and Traction Control system to prevent introduction of air into the brake system.
How does traction control work in a Grand Prix?
The anti-lock braking system (ABS) and Traction Control systems in your Grand Prix both use the ABS wheel-speed sensors and modulator valve assembly to control wheel slip. The ABS system monitors the wheel-speed sensors and relieves brake pressure on a wheel that it senses is nearing lock-up.
What causes wheel lock up on Grand Prix?
Check the tires for proper wheel size and check the fluid level in master cylinder. Improper tire size, such as two different sizes, will cause the wheels to turn at different speeds and may set a false code when the computer senses this as potential wheel lock-up.
Where is the wheel speed sensor on a Grand Prix?
Unplug the faulty wheel speed sensor, located on the back of the wheel bearing and hub assembly at each wheel in the Grand Prix and test the resistance of the sensor using your digital volt/ohm meter set to read resistance. The resistance of a good wheel speed sensor will be1k ohms +/- 10 percent.
How to troubleshoot a Grand Prix ABS light and traction?
Go to step two if the code indicates a wheel speed sensor fault or step five if the codes indicates a solenoid fault. Select “Data” from the onscreen menu and scroll through the list until wheel speed sensor data is displayed on the screen. Test drive the car while monitoring the wheel speed signals, indicated by the fault code, on the scan tool.
The anti-lock braking system (ABS) and Traction Control systems in your Grand Prix both use the ABS wheel-speed sensors and modulator valve assembly to control wheel slip. The ABS system monitors the wheel-speed sensors and relieves brake pressure on a wheel that it senses is nearing lock-up.
How to reset the sensor on a Pontiac Grand Prix?
Turn off the Grand Prix’s engine, but leave the keys in the ignition. Switch the ignition to the “ON” position, but do not turn on the engine. Press and release the brake pedal. Repeat this two more times, and complete the three repetitions in under five seconds. If this does not work, try again.
Where is the diagnostic connector on a Grand Prix?
The diagnostic connector in OBD-II equipped Grand Prix is located under the driver’s side of the dash near the steering column. Turn the ignition key on and retrieve trouble codes according to the instructions supplied with the scan tool.