Section 06: ELECTRICAL
PA1562
21
8. A constant drain caused by a shorted circuit
such as an exposed wire or water infiltration
in junction boxes causing ground fault.
9. Extended operation of preheating system
with engine not running.
10. Failing to close disconnect switches during
the night.
3.9 TROUBLESHOOTING
If a battery is known to be good and then has
not performed satisfactorily in service for no
apparent reason, the following factors may
reveal the cause of trouble:
1.
Vehicle accessories and disconnect
switches inadvertently left on overnight.
2. Defects in the charging system, such as
high wiring resistance, faulty alternator,
regulator or battery equalizer.
3. A vehicle electrical load exceeding the
alternator (or battery equalizer) capacity,
with the addition of electrical devices, such
as CB radio equipment, a cellular phone or
additional lighting systems.
4. Defects in the electrical system, such as
shorted or pinched wires.
5. Extended driving at a slow speed while
using many accessories.
6. Loose or poor battery cable-to-post
connections, previous improper charging of
a run-down battery, or loose hold-down
clamp bolts.
7. High-resistance connections or defects in
the cranking system.
3.10 "BAT" BATTERY VOLTAGE INCORRECT
TELLTALE LIGHT
If the
“
BAT
"
(battery voltage incorrect) telltale
light is illuminated, check the 24-volt voltmeter to
determine if the battery voltage is too high or too
low.
NOTE
According to the battery charging condition, it
is normal that "BAT" telltale light illuminates
upon starting the engine and stays illuminated
for a few seconds. This is caused by the
normal voltage drop of the battery during
starting.
3.10.1 "Bat" Telltale Light Definitions
Voltmeter drops below 24.4 volts dc
Check alternator output.
Check voltage regulator.
Check battery connections.
Check battery cells.
o
Check battery equalizer connections.
Voltmeter exceeds 30 volts dc
o
Check alternator output.
o
Check voltage regulator.
o
Check battery connections.
Battery Balance
NOTE
Allow at least 15 minutes to balance batteries
after any corrective measure has been taken.
1. Batteries out of balance (difference greater
than 1.5 volts between the two battery
banks).
o
Check battery equalizer connections.
o
Check equalizer cables for proper gauge.
o
Check battery connections.
2. Demand for 12-volt power exceeding rated
amperage output of battery equalizers
causing batteries to go out of balance.
o
Reduce 12-volt load or install additional
battery equalizer(s).
4. TROUBLESHOOTING AND TESTING THE
MULTIPLEX VEHICLES
4.1
ELECTRICAL SYSTEM DIAGNOSTIC
Using the message center display (MCD), check
if there are active errors in the vehicle electrical
system. With the SYSTEM DIAGNOSTIC menu,
highlight FAULT DIAGNOSTIC and then
highlight ELECTRICAL SYSTEM to request a
diagnostic of the electrical system from the
CECM. Press the enter key. If applicable, the
MCD shows the multiplex device ID, the fault
messages or fault codes recorded. When more
than one fault is recorded, an arrow pointing
down appears on the right of the display. Use
the down arrow to see all the fault messages.
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 504: ...Notes Copyright 2002 Maintenance Manual MM 0204 Page 8 ArvinMeritor Inc Issued 08 02...
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Страница 929: ...TRW Automotive Commercial Steering Systems Power Steering Pump Service Manual PS SERIES Die Cut...
Страница 941: ...Initial Installation Section 2 Initial Installation Installation 14 Maintenance Tips 15...
Страница 961: ...Section 4 Reinstallation Reinstallation 34 Filling and Air Bleeding the System 35 Maintenance Tips 36 Reinstallation...
Страница 965: ...Glossary Section 5 Glossary Glossary 39...
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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 1197: ...Compressor 62 11052 Rev A WORKSHOP MANUAL for MODEL 05G TWIN PORT COMPRESSOR R...
Страница 1198: ...WORKSHOP MANUAL COMPRESSOR MODEL 05G TWIN PORT...
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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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