PREVOST LE MIRAGE XLII BUS SHELLS User Manual

Section 06: ELECTRICAL
PA1553
29
Problem/Symptom Probable Causes Actions
Many secondary functions
(not essential for driving)
not functioning (interior
lighting, driver's area
lighting, wiper speed 2
and intermittent).
Outside temperature
display in the telltale LCD
panel displays three
dashes "---"
Marker lights and
clearance lights are
turned ON when setting
ignition to the ON
position.
The CECM module does not
receive 24 V power.
The CAN network is not
working. It could be caused
by a short on the network, an
open circuit, a problem with
the CECM or the CECM
being disconnected from the
network.
1. Check / reset circuit breaker CB2 (2
nd
from the bottom. Check / replace fuse
F1.
2. Operate in limp-home mode by
starting the vehicle from the engine
compartment (REAR START). All
functions essential to drive are
available.
No temperature control in
the cabin area.
Cabin temperature
display indicates two
dashes "--"
Problem with the
temperature sensor located
in the evaporator
compartment air intake or the
sensor wiring.
Manually control the temperature by
playing with the cabin (passenger) set
point. Set above 22°C (72°F) to heat and
below 22° C (72°F) to cool.
Defroster fan not
functioning
Windshield wipers not
functioning in speed 1 or
intermittent
Module A47 is not powered
or is faulty
1. Check the SYSTEM DIAGNOSTIC
menu of the message center display
(MCD). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM. The
message “No Response ModA47,
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 CB3.
3. Check / replace fuse F5 and F16.
4. Probe gray connector on module to
see if it is powered.
Windshield wipers not
functioning in speed 1 or
intermittent
No power on R23 Check / replace fuse F82
HVAC condenser fans not
functioning in speed 1
Circuit breaker CB7 tripped
and not reset
Check / reset circuit breaker CB8
HVAC condenser fans not
functioning in speed 2
Circuit breaker CB7 tripped
and not reset
Check / reset circuit breaker CB5
Windshield washer not
functioning
Module A46 is not powered
or is faulty
1. Check the SYSTEM DIAGNOSTIC
menu of the message center display
(MCD). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM.

PREVOST LE MIRAGE XLII BUS SHELLS Specifications

General

Brand	PREVOST
Model	LE MIRAGE XLII BUS SHELLS
Category	Buses
Language	English