DIAGRAMA DE MOTOR A CABINA PETERBILT

1. PD803064.FRM
A1
A2
A3
B1
B2
B3
C1
C2
C3
D1
D2
D3
E1
E2
E3
F1
F2
F3
G1
G2
G3
H1
H2
H3
J1
J2
J3
K1
P
916
419
509
439
901
900
P
P
451
556
557
542
544
545
P
524
541
531
P
K2
K3
555
508
952
417
P
528
543
115
505
902
241
241
150
150
240
240
A
B
C
D
E
F
ECM
CONNECTOR
ECM POWER
CONNECTOR
A543
555
P
541
P
542
544
545
P
901
916
952
953
A543
555
902
541
P
542
544
545
900
901
916
952
953
FIREWALL
CONNECTOR
A
B
C
D
E
F
G
H
J
K
L
M
N
P
531
528
508
509
P
451
115
417
150
531
528
508
509
505
419
115
417
150
A
B
C
D
E
F
G
H
J
K
L
M
N
P
900
P
451
+12V
GND
BATTERY
241
241
240
240
298
239
953
150
556
557
SPEED SENSOR
556
557
531
A543
543
CLUTCH
SWITCH
CLUTCH
PEDAL
A150
68
NORMAL
COOLANT
LEVEL
COOLANT
LEVEL
SWITCH
150
150
544
545
558
CRUISE
RESUME
SWITCH
542
541
558
CRUISE
SET/RESUME
SWITCH
5 A
FUSE
555
439
439
A555
NONE
508
953
558
CRUISE
ON/OFF
SWITCH
OPTIONAL SHUTDOWN SYSTEM
OVERRIDE SWITCH
451
150
(MOMENTARY CONTACT)
F
E
D
C
B
439
DIAGNOSTIC
CONNECTOR
150
901
900
A
916
417
952
952
417
916
THROTTLE
POSITION
SENSOR
68
A150
150
115
68
531
A543
558
439
B
B
B
68
531
A543
558
B
B
A150
150
115
439
439
B
P
SERVICE BRAKE
PRESSURE
SWITCH
531
B543
A543
(PRESSURE APPLIES
SERVICE BRAKES)
P
558
531
(PRESSURE RELEASES
PARKING BRAKES)
PARKING
BRAKE
PRESSURE
SWITCH
NC
NO
NC
NO
BRAKE(S) ON
SERVICE BRAKES ON
PARKING
BRAKES ON
SERVICE BRAKES OFF
A150
150
115
439
439
B
DDEC II
COOLANT
LEVEL
CONTROL
MODULE
439
P
23
29
KEY
CRANK
KEY/START HARNESS
J1922
DATA
LINK
CONN
953
524
P
OPTIONAL
SHUTDOWN TIMER
PARKING BRAKE
PRESSURE SWITCH
(PRESSURE RELEASES BRAKES)
528
953
(MOMENTARY CONTACT)
DIAGNOSTIC
SWITCH
CRUISE
LIGHT
RELAY
901
900
JAKE
BRAKE
CONNECTION
239
JAKE BRAKE
MODULE
OPTIONAL JAKE BRAKE
ATEC 211
223
224 224
223
508
225
289
A
B
C
D
E
F
A
B
C
D
E
F
225
223
508
289
224
242
225
289
211
239
ATEC CONNECTION
(OPTIONAL)
DASH
GROUND
MAIN CAB HARNESS
ENGINE BRAKE SWITCH
CONNECTORS
508
PARKING
BRAKES OFF
BRAKE(S) OFF
439
439
EOF
KILL
CONNECTION
SCHEMATIC - DETROIT DIESEL DDECII
PETERBILT 379 FAMILY
CKT FUNCTION
23
29
242
289
298
354
439
451
505
508
509
524
528
531
541
542
543
557
12V POWER (STARTER CRANKING)
12V POWER (KEY ON)
12V POWER (KEY ON, FUSED)
JAKE BRAKE
12V POWER (CONSTANT)
CRUISE CONTROL "ON" LIGHT
CRUISE SET
150
A150
A543
544
545
555
556
CRUISE "ON" SIGNAL
VEHICLE SPEED SIGNAL (+)
900
68
115
211
223
224
225
239
240
241
JAKE BRAKE - FRONT
JAKE BRAKE - REAR
DASH GROUND
419
417 901
902
916
952
953
ECM POWER
ECM POWER
LOW COOLANT PROBE SIGNAL
LOW COOLANT SIGNAL
ECM GROUND
LOW COOLANT PROBE GROUND
JAKE BRAKE ATEC SIGNAL
JAKE BRAKE
DIAGNOSTIC SIGNAL
DATA LINK (+)
DATA LINK (-)
THROTTLE POSITION SIGNAL
"CHECK ENGINE" LIGHT
438 "STOP ENGINE" LIGHT
IGNITION
972
TACH
TACH
ENGINE BRAKE ENABLE SIGNAL
STOP ENGINE SIGNAL
PARKING BRAKE-IDLE TIMER
SHUTDOWN OVERRIDE
BRAKE/CLUTCH "ON"
CRUISE NOT SET
BRAKE/CLUTCH "OFF"
BRAKE "OFF"
CRUISE NOT RESUME
CRUISE RESUME
VEHICLE SPEED SIGNAL (-)
CRANK POSITION SIGNAL
THROTTLE POSITION SENSOR POWER
THROTTLE POSITION SENSOR GROUND
SWITCH GROUND
558 CRUISE/PRESSURE SWITCH GROUND
CKT FUNCTION
NOTES:
1) SCHEMATIC FOR DETROIT DIESEL DDECII ENGINE
WITH OPTIONAL JAKE BRAKE, SHUTDOWN SYSTEM
AND IDLE SHUTDOWN TIMER
2) RELAY SHOWN IN NON-ENERGIZED POSITION
3) PRESSURE SWITCHES SHOWN IN NON-PRESSURIZED POSITION
5) CLUTCH SWITCH SHOWN WITH CLUTCH ENGAGED
4) PARKING BRAKES ARE RELEASED BY PRESSURE IN THE SYSTEM
DDECII ENGINE HARNESS
DDECII CAB HARNESS
DDECII FUSE HARNESS
15A
FUSE
15A
FUSE
A
A242
239
ABS
239
224
225
LO
HI
MED
HI
ON/OFF
B
A242
239
ABS
239
224
225
C
ABS
ABS CONN
(OPT)
ATEC 211
509
419
A555
438
419
354
438
419
354
LIGHT
BAR
DDEC II
CAB
HARNESS
MAIN
CAB
HARNESS
D
STOP
ENGINE
CHECK
ENGINE
CRUISE
CONTROL
E
DATA
LINK
CONN
901
900
F1
F2
524 524
68
68
419
A150 A150
439
439
G
H
7
SK20627
A
MCD
DPH
08-30-89
89057-03
RG
MS
REPLACED CB’S W/15A FUSES
ROC
B-7
C
NDP
NDP
04-04-90
36548-02
MS
REVISED JAKE INSTL
A-5
RG
ROC
D
JJX
MNH
09-04-90
35989-08
RG
MS
REV FOR NEW LIGHT BAR
B-2
E
DPH
DPH
06-24-91
12503
JJS
MS
5 AMP FUSE WAS 15 AMP
C-2
G
NDP
NDP
12-21-92
12822
JJS
MS
CORRECTED PIN CALLOUTS
ON FIREWALL CONNECTOR
C-5
F
MNH
MNH
10-03-91
91079-05
RG
MS
1) REV DIAGNOSTIC CONN
AJC
B-4
2) ADD J1922A DATA
B-4
LINK CONN
H
NDP
NDP
03-25-93
12885
RG
MS
CORRECTED PIN CALLOUTS
B-5
RG
ROC
B
NDP
NDP
03-02-90
36538-02
MS
REVISED JAKE INSTL
A-5
DDEC II Engine SK20627 H 01