SECTION 06: ELECTRICAL
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version ) – Sec 06 revised June 2017
1
CONTENTS
1.
GENERAL
DESCRIPTION
...............................................................................................................................
5
1.1
WIRING
DIAGRAMS
........................................................................................................................................
5
1.1.1
Using
Wiring
Diagrams
..........................................................................................................................
5
1.1.2
Testing
Circuits
.......................................................................................................................................
6
1.1.3
Wire
Sizes
And
Colors
.............................................................................................................................
6
1.1.4
Live
Power
Cables
Color
Code
................................................................................................................
6
1.1.5
Spare
Wires
............................................................................................................................................
7
1.1.6
Cleaning
Connectors
..............................................................................................................................
7
1.1.7
Circuit
Breakers
......................................................................................................................................
7
1.2
MULTIPLEX
FUSES
..........................................................................................................................................
8
1.3
RELAYS
...........................................................................................................................................................
8
1.4
PRECAUTIONS
................................................................................................................................................
8
1.5
X3
SERIES
COMMUTER
COACH
ELECTRICAL
COMPARTMENT
OVERVIEW
...................................................
12
1.6
MAINTENANCE
............................................................................................................................................
12
1.7
REAR
ELECTRICAL
PANEL,
JUNCTION
PANEL,
BATTERY
COMPARTMENT
&
EQUALIZER
...............................
12
1.7.1
Rear
Electrical
Panel
............................................................................................................................
13
1.8
BATTERY
COMPARTMENT
............................................................................................................................
13
1.9
FRONT
ELECTRICAL
AND
SERVICE
COMPARTMENT
.....................................................................................
13
1.9.1
A/C
Junction
Box
..................................................................................................................................
13
1.10
ENGINE
REAR
START
PANEL
.........................................................................................................................
14
1.11
ENTRANCE
DOOR
&
WIPER
CONTROL
PANEL
...............................................................................................
14
1.11.1
Parcel
Rack
Junction
Box.
.....................................................................................................................
14
1.11.2
NYCT
Auxiliary
Systems
And
Radio
......................................................................................................
14
1.11.3
Motorola
Radio
Power
Mode
...............................................................................................................
15
2.
BATTERIES
.................................................................................................................................................
15
2.1
BATTERY
DISCHARGE
PROTECTION
..............................................................................................................
16
2.2
MAIN
BATTERY
RELAYS
................................................................................................................................
16
2.3
BATTERY
REMOVAL
AND
INSTALLATION
......................................................................................................
16
2.4
BATTERY
RATING
..........................................................................................................................................
18
2.5
BATTERY
MAINTENANCE
.............................................................................................................................
18
2.5.1
Visual
Inspection
..................................................................................................................................
18
2.5.2
Removing
surface
charge
.....................................................................................................................
19
2.5.3
Testing
Battery
Cables
.........................................................................................................................
19
2.6
BATTERY
CHARGING
....................................................................................................................................
19
2.6.1
Booster
Block
.......................................................................................................................................
20
2.7
AGM
BATTERY
CHARGING
PRECAUTIONS
....................................................................................................
21
2.8
BATTERY
EQUALIZATION
AND
AGM
BATTERIES
...........................................................................................
21
2.9
COMMON
CAUSES
OF
BATTERY
FAILURE
.....................................................................................................
21
2.10
TROUBLESHOOTING
....................................................................................................................................
22
2.11
“BATTERY
VOLTAGE
WARNING”
PICTOGRAM
.............................................................................................
22
2.11.1
Voltmeter
Gauge
Definitions
...............................................................................................................
22
3.
PRIME
ENERGY
MANAGEMENT
SYSTEM
....................................................................................................
23
3.1
C
OMPONENTS
..................................................................................................................................................
23
3.1.1
Vanner
80
Series
Battery
Equalizer
Fault
Codes
..................................................................................
24
3.2
DID
DISPLAY
.................................................................................................................................................
24
4.
TROUBLESHOOTING
AND
TESTING
THE
MULTIPLEX
VEHICLES
....................................................................
24
4.1
ELECTRICAL
SYSTEM
DIAGNOSTIC
................................................................................................................
24
4.2
PROBING
VOLTAGE
ON
THE
MULTIPLEX
CIRCUITS
.......................................................................................
25