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7. Pump Filter Switches (IM2-Y) - short wire 39L to
ground at TB44-N momentarily and confirm
state change (one to zero).
8. No Propel (IM2-p) - short wire 75NP to ground
at TB25-P momentarily and confirm state
change (one to zero).
9. Propel System Caution (IM2-t) - short wire 79W
to ground at TB26-D momentarily and confirm
state change (one to zero).
D13004
FIGURE 13-5. Interface Module Real Time Data Monitor
VHMS CHECK-OUT & TROUBLESHOOTING
10. Reduced Propel System (IM3-B) - short wire
72LP to ground at TB25-W momentarily and
confirm state change (one to zero).
11. Park Brake Set (IM2-M) - disconnect park brake
pressure switch in brake cabinet at CN240
momentarily and confirm state change toggles
continually (zero to one).
D13-7
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