PREVOST X3-45 VIP 2017, Owner'S Manual

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Appendix B
– Troubleshooting Guide for Multiplex Vehicles
4
Problem/Symptom Probable Causes Actions
Low beam headlights and
flasher on right side not
functioning Module AE48 is not powered
or is faulty 1. Check the SYSTEM DIAGNOSTIC
menu of Driver Information Display
(DID). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM. The
message “No Response ModA48,
Active” indicates a power problem on
the module. (A CAN network problem
would show the same message but
doesn't produce these symptoms).
2. Check / reset circuit breaker CB10
3. Check / replace fuse F21
4. Probe gray connector on module to
see if it is powered.
Rear flashers not
functioning
Stoplights and center
stoplights not functioning
Module AE51 is not powered
or is faulty 1. Check the SYSTEM DIAGNOSTIC
menu of Driver Information Display
(DID). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM. The
message “No Response ModA51,
Active” indicates a power problem on
the module. (A CAN network problem
would show the same message but
doesn't produce this symptom).
2. Check / reset circuit breaker CB8
3. Check / replace fuse F107
4. Probe gray connector on module to
see if it is powered.
Engine is overheating and
radiator
fans do not
engage
Module AE52 or AE49 is not
powered or is faulty 1. Check the SYSTEM DIAGNOSTIC
menu of Driver Information Display
(DID). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM. The
message “No Response ModA52/
ModA
49, Active” indicates a power
problem on the module. (A CAN
network problem would show the
same message but doesn't produce
this symptom).
2. Check circuit breaker CB5
3. Check / replace fuse F133, F134
4. CB201-CB208