What does it mean when the tractor ABS light comes on?
anti-lock braking system
ABS stands for anti-lock braking system (ABS), and helps the tires on your vehicle to maintain contact with the road while you are braking. If the warning light comes on while you are driving, it means the ABS is not working properly.
What color is the ABS light in a truck?
A yellow colored lamp, marked with the letters “ABS,” is located on the instrument panel of trucks, buses and truck tractors (dash-mounted), and located on the exterior of trailers, near the red side marker lamp on the left rear side (trailer-mounted). Converter dollies also have the lamp located on their left side.
What are the ABS codes for Freightliner M2?
Freightliner Business Class M2 Fault Codes List – ABS System Troubleshooting Meritor WABCO Pneumatic Antilock Braking System (ABS) – Table of DTCs Left Front Wheel Sensor Troubleshooting (SID 001) MID SID FMI Problem Test Test Result Action 136 001 01 Incorrect sensor air gap 1. Adjust the sensor.
Where is the ABS light on a Freightliner truck?
The ABS usually has a separate plug for the data link close to the ECU. It’ll be a 2 wire plug with yellow and green wires. Check that it is clean and making good connections. You’d find that same type of plug near the engine as well as several other places around the truck. That data link also has 2 terminating resistors that are 120 ohms each.
How does ABS work on a big truck?
by Alibaster Smith. The anti-lock braking system (ABS) in a big truck is very similar to those in most vehicles. A sensor at each wheel monitors wheel speed. During hard braking, the wheel sensor controls the braking action to prevent wheel lockup.
Where are the ABS wires on a truck?
Check the ABS sensors at the wheels. Behind the wheels, on the brake rotor assembly, there will be two wires running to the back of the brake rotor. These are the ABS sensor wires. If the ABS system is damaged, the problem is usually found in the wiring. Make sure that none of the wires is damaged.