Initial System Checkout - WABASH COMMUNICATIONS MBS-1P Installation Manual

MBS-1P Installation

Initial System Checkout

Following initial installation or service of the MBS-1P system, perform the
following checkout procedure to verify proper operation of the braking system.
NOTE: In some cases it may be necessary to spin the sensor equipped
wheels to verify proper lamp operation.
Figure 15, Wheel Speed Sensor Output Test
24
1. Check each sensor for proper output.
• Use a digital multimeter to read the sensor voltage. It should be in
excess of 200 MV AC and should increase if the wheel is spun faster.
2. Check the service brakes for normal, non-ABS operation.
3. Check the malfunction lamp for proper operation as follows:
• Power up the trailer – the malfunction lamp should turn OFF after
two seconds.
Spin Wheel
To Check Output Signal
Wheel Sensor Harness
MBS-1P Side
Wheel Sensor Harness
Wheel Side
®
Multimeter
322UX012