PREVOST H3-45 - Page 134

5-10 Other Features
PA-1628Operator's ManualH3-45 COACH
SCR SYSTEM TAMPERING - DRIVER WARNING AND INDUCEMENT
Conditions / Triggers
Amber Warning Light, Did Message
And Audible Warning
Inducement
1 Normal
No diagnostic troubleshooting code
active
None None
2 SCR system tampering
diagnostic troubleshooting code
confirmed
solid
SCR SYSTEM FAULT
ENGINE WILL DERATE IN
< XXX MINS
constant tone
Warning message
3 Reached one (1) hour of operation
with active
SCR system tampering
diagnostic troubleshooting code
confirmed
solid
SCR SYSTEM FAULT
ENGINE IN DERATE
5 MPH (8KM/H) LIMIT IN <
XXX MINS
constant tone
Engine torque reduction of
25%
4 Reached four (4) hours of operation
with active
SCR system tampering
diagnostic troubleshooting code
confirmed
solid
SCR SYSTEM FAULT
REPAIR NEEDED
5 MPH (8KM/H) LIMIT
NEXT VEHICLE STOP
constant tone
Engine torque reduction of
40%
5 Diesel fuel refueling done with a fuel
level sensor increase of 15% or
more
solid
SCR SYSTEM FAULT
VEHICLE SPEED LIMITED
TO 5 MPH (8 KM/H)
constant tone
Vehicle road speed limited
(RSL) to 5 mph (8 km/h)