Operation - Section 3 10/00 OM3023 Page 3-22 Operating Instructions ABS (ANTI-SKID BRAKE SYSTEM) ASR INFORMATION LAMP (YELLOW) (4, Figure 3-3) When the truck brakes are applied suddenly or applied while on a slippery road, this system works to prevent the tires from locking and skidding. Accordingly, the truck is kept in a normal attitude and good steering response is maintained. (Also used as troubleshooting lamp) Illuminates when: the ASB/ASR ON/OFF switch is turned "ON" the ASR operates during troubleshooting. ASR (Automatic Spin Regulator) In addition to the above functions of the ABS, this system has a function to prevent slipping of the drive wheels caused by excessive torque.
Accord- ingly, the truck can start and travel normally even on a bad or slippery road surface. ABS OPERATION Always stop the truck before turning on the ABS/ASR main switch. If it is turned on while the truck is running, the ABS/ASR may not function normally. EXPLANATION OF COMPONENTS WARNING LAMP (RED) (1, Figure 3-3) 1. Turn the key switch on. At this time, the Red warning lamp (1) will light up. Lights up at engine start and when the ABS/ASR is turned off or malfunctions. 2. Turn "ON" the ABS/ASR main switch (2). Start the engine. When truck speed rises to about 10km/h (6.2 MPH), the red warning lamp will turn off.
ABS/ASR ON/OFF SWITCH (2, Figure 3-3) Used to turn the ABS/ASR system on/off. NOTE: If the truck key switch is turned on/off while the ABS/ASR main switch is turned on, the electric power for the ABS/ASR system will also be turned on/off. TROUBLESHOOTING SWITCH (3, Figure 3-3) Used for troubleshooting. Accordingly, keep the ABS/ASR main switch turned on for normal truck operation. FIGURE 3-3. ABS/ASR SYSTEM 1. Red Light 2. ABS/ASR Switch 3. Troubleshooting Switch 4. Yellow Lamp