0.3 Electrical System Circuits – E. Schematics
Maintenance Manual Ottawa T2 4x2
0.3.4
Chassis Circuits
page
–
Chassis Power Board
Chassis Power Board Wiring
6
7
10
3
1
5
2
4
8
9
16
15
14
12
11
13
INPUT IGNITION SIGNAL
INPUT REVERSE SIGNAL
OUTPUT REVERSE SIGNAL
BACKUP ALARM
CHASSIS BACKUP LIGHTS
ECM IGN
DEF SENDER IGN
ABS MODULE IGN
TRANSMISSION ECU IGN
INPUT ACCESSORY SIGNAL
AUX POWER FROM AUX RELAY
5TH WHEEL INDICATION POWER
OPTIONAL USER INPUT, SWITCH 1 POSITION B / AUX RELAY COIL GND
OPTIONAL USER INPUT, SWITCH 4 POSITION B / FAN CLUTCH RELAY COIL PWR
FAN CLUTCH RELAY AIR CONDITIONING CLUTCH PWR
FAN CLUTCH
OPTIONAL USER INPUT, SWITCH 3 POSITION B / FAN CLUTCH RELAY COIL GND
AIR DRYER HEATER POWER
AIR SUSPENSION DUMP VALVE
FUEL HEATER
OUTPUT SIGNAL START RELAY
INPUT SIGNAL ECU ANTI RESTART
INPUT SIGNAL KEYSWITCH CRANK POWER
INPUT SIGNAL TRANSMISSION NEUTRAL
AUX RELAY 2 OUTPUT POWER
AUX RELAY 2 COIL PWR
CAB TILT
TRANSMISSION ECU BATTERY
ECM1 BATTERY
AFTERTREATMENT EXHAUST POWER
OUTPUT KEYSWITCH BATTERY POST
DEF LINE HEATER COMMAND
LINE HEATER 1
LINE HEATER 2
LINE HEATER 3
DEF PUMP HEATER COMMAND
DEF PUMP HEATER SUPPLY
ECM2 BATTERY
ABS MODULE BATTERY
SPARE BATTERY
5
2
6
21
20
19
1
22
3
20
13
18
7
8
10
18
21
17
19
11
12
15
16
17
AUX RELAY 2 OUTPUT POWER
4
ECM1 BATTERY
9
ABS MODULE BATTERY
14
J1
J2
Содержание Ottawa t2
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