Section 06: ELECTRICAL
PA1562
26
4.7 TROUBLESHOOTING
Problem/Symptom
Probable Causes
Actions
Rear Start selector switch is
not in the NORMAL position
Master cut-out switch in the
rear electrical compartment
is in the OFF position (down)
1. Check that the rear start selector
switch is flipped up to NORMAL start
position and master cut-out switch is
flipped up to ON and retry cranking
2. Flip the rear start selector switch to
“Rear Start” and start the vehicle from
the rear
Vehicle does not Start
CAN network problem
(Multiplex)
Module A53 not powered or
is defective
Engine MCM does not
receive the ignition signal
Engine MCM is not powered
If the vehicle does not start from the rear:
1. Verify that module A53 is powered:
a) Check the SYSTEM DIAGNOSTIC
menu of the message center
display (MCD). Select FAULT
DIAGNOSTIC and ELECTRICAL
SYSTEM. The message “No
Response ModA53, Active”,
indicates a power problem on the
module or a CAN network problem.
b) Check / reset circuit breaker CB5
c) Check / replace fuse F65
d) Probe gray connector on module to
see if it is powered.
2. Verify that the engine MCM is
powered and get the ignition signal
a) Check / reset circuit breaker CB8
Check / replace fuse F74
b) Check / reset circuit breaker CB2
Check / replace fuse F78
None of the Multiplexed
functions are operating,
including the basic limp-
home functions (door
opening, flashers, wipers
in speed 1)
Three dashes “---“ appear
in the telltale panel
instead of the outside
temperature
Note: The sunshades are
still functioning since
these are not multiplexed
The program version in the
CECM is different than the
program in the I/O modules
and the CECM is forcing all
I/O modules to stay inactive
1. Engage the auto-programming of the
I/O modules: Turn the ignition key to
the OFF position, flip the master cut-
out switch in the rear electrical
compartment to OFF and ON and
then turn the ignition key ON. The
letters CAN will appear in the telltale
LCD panel for about 3 minutes
Everything shall get back to normal
once the letters CAN are replaced
with outside temperature display
2.
Try disconnecting the green
connector on the CECM and
reconnect
3. If step 1 and 2 are ineffective, try
disconnecting the Master ID module
completely and repeat step 1
Содержание X3-45 Multiplex
Страница 1: ...COACH MANUFACTURER MAINTENANCE MANUAL X3 COACHES PA1562 4th edition...
Страница 13: ...Section 00 GENERAL INFORMATION 11 PA1562 FIGURE 16 METRIC US STANDARD CONVERSION TABLE 00005...
Страница 14: ...Section 00 General Information PA1562 12 FIGURE 17 CONVERSION CHART 00006...
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Страница 253: ...FAULT CODE MANUAL Created on 00 04 25 15 30 1 FAULT CODE MANUAL B7L B7TL B12...
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Страница 373: ...SPICER SPECIALITY AXLE DIVISION place product photo here SERVICE MANUAL GENERAL INFORMATION NDS Axle range...
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Страница 418: ...Page No 18 Manual No NDS8 Spicer Speciality Axle Division Technical Publications Spicer Speciality Axle Division TP1193...
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Страница 961: ...Section 4 Reinstallation Reinstallation 34 Filling and Air Bleeding the System 35 Maintenance Tips 36 Reinstallation...
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Страница 996: ...Section 16 SUSPENSION PA1562 28 FIGURE 34 SWAY BAR FRONT SUSPENSION 16138B FIGURE 35 SWAY BAR REAR SUSPENSION 16144...
Страница 1005: ...Section 16 SUSPENSION PA1562 37 FIGURE 49 IFS AIR TANKS LOCATION 24034 FIGURE 50 I BEAM FRONT SUSPENSION AIR TANKS LOCATION 24035...
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Страница 1075: ...Section 18 BODY PA1562 57 14 BODY PANEL AND WINDOW SPACING FIGURE 42 BODY PANEL AND WINDOW SPACING 18631...
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Страница 1111: ...19 Manual No 7018081 02 Rel Jun 1999 Copyright Isringhausen 1999 PARTS MODEL 6800 338 BUS MODEL 6800 338 PREMIUM LX...
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Страница 1156: ...Section 22 HEATING AND AIR CONDITIONING PA1562 14 FIGURE 16 REFRIGERANT CIRCUIT CENTRAL AND AUXILIARY SYSTEMS 22313_1...
Страница 1178: ...Section 22 HEATING AND AIR CONDITIONING PA1562 36 FIGURE 36 CENTRAL HEATING SYSTEM COMPONENTS 22325...
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Страница 1265: ...Section 23 ACCESSORIES PA1562 5 FIGURE 2 AUDIO VIDEO CONNECTIONS...
Страница 1278: ...Section 23 ACCESSORIES PA1562 18 FIGURE 26 FUNCTIONING OF LAVATORY 23051...
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Страница 1387: ...MANUAL NUMBER 160339 REVISION 09SEPT04 PAGE 1 OPERATION MAINTENANCE MANUAL Manual Number 160339 Revision 09SEPT04...
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Страница 1414: ...Section 24 LUBRICATION PA1562 4 FIGURE 1 LUBRICATION AND SERVICING POINTS ON INDEPENDENT FRONT SUSPENSION VEHICLES 24031_1...
Страница 1415: ...Section 24 LUBRICATION PA1562 5 FIGURE 2 LUBRICATION AND SERVICING POINTS ON I BEAM AXLE FRONT SUSPENSION VEHICLES 24030_1...
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