Bendix Commercial Vehicle Systems ACom Diagnostics V.5.9 - Manual (Page 20)

20
Steering Angle Sensor Test
This test is available only if the ABS ECU is an
Advanced EC-60
™ . The test verifi es the operation of
the steering angle sensor. The user will be asked to
have the steering straight for 30 seconds, then turn the
steering wheel to the right ¼ turn for 30 seconds and
then to the left a ¼ turn for 30 seconds. The program
reads the steering angle output during the 30 seconds
and displays it on the screen.
Figure 70
Pressure Sensor Test
This test is available only if the ABS ECU is an
Advanced EC-60
™ ECU. The test verifi es the operation
of the pressure sensors installed at the primary and
secondary delivery ports of the foot valve plus the air
bag suspension if vehicle is so equipped. The test
allows the user 30 seconds for each step, fi rst make
sure the air system is fully charged, apply the foot valve,
and fi nally release the foot valve. The program pops
up windows to ask user to confi rm the action required,
once the user acknowledges with an affi rmative the
program displays the pressures read.
Figure 71
Lateral Acceleration Sensor Test
This test is available only if the ABS ECU is an Advanced
EC-60
™ ECU. The test verifi es the operation of the
lateral acceleration sensor.
The program provides the reading of the sensor at the
end of the test.
Figure 72
Engine Limiting (EC-60 ™ Only)
Engine limiting test will test whether or not the J1939
command to increase the engine torque is being sent
out. The user is asked to rev the engine to 1200 RPM
hold it while the test sends out commands to increase,
decrease, increase, decrease the torque.
Figure 73
Switch Test
The following switch tests are available for the EC-60 ™
ABS ECU: diagnostic switch, off road ABS switch, deep
mud / snow switch, and brake (stop) lamp switch. All
the tests provide the user with instructions to toggle the
switch and view the appropriate dash or stop lamp for
activity.