Driver Controls and Instruments driving, repair the ABS system immediately to en- sure full antilock braking capability. IMPORTANT: If the TRAC ABS warning light does not work as described above or illuminates while driving, repair the ABS system immediately to en- sure full antilock braking capability. An ABS CHK switch is located below the dash panel on the right side of the steering column, and is used to read system fault codes on the WHL SPIN light. See Section 42.36 of the Business Class ® Trucks Service Manual for troubleshooting procedures.
An ABS CHK switch is located below the dash panel on the right side of the steering column and is used to read system fault codes on the TRAC ABS light. See Sec- tion 42.36 of the Business Class ® Trucks Service Manual for troubleshooting procedures. IMPORTANT: If the vehicle is equipped with the ATC system, turning on the ABS CHK switch will reduce engine speed to idle. This will occur whether the vehicle is stopped or is being driven. Also, the WHL SPIN light will come on. If these conditions occur, turning the ABS CHK switch off will return the engine to full function capability. See the brake system operating instructions in Chap- ter 7 for more information.
Bendix Antilock Braking System (ABS) See the brake system operating instructions in Chap- ter 7 for more information. With the Bendix Antilock Braking System (ABS), the tractor warning light (TRAC ABS) illuminates after the key is turned on. The warning light goes out only if all of the tractor’s ABS components are working properly. See Fig. 3.24 . Meritor WABCO ® Antilock Braking System (ABS), Hydraulic Brake Systems Vehicles equipped with a Bendix ABS system may also be equipped with an automatic traction control (ATC) system. The ATC system automatically controls wheel spin during reduced-traction starts.
If equipped with the ABS system, the dash warning light (TRAC ABS) illuminates after the engine is started. See Fig. 3.24 . Once the vehicle moves faster than about four mph (six km/h), the warning light goes out only if all of the tractor’s ABS components are working. The wheel spin indicator light (WHL SPIN) illuminates if one of the drive wheels spins during acceleration). The 3.30