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50-3
DATA LINES
(Refer to Section 201 for photographs.)
Component
Photo No.
Audio Amplifier
Behind the left side panel of the rear compartment
108
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
Body Control Module
(BCM)
On Rear Fuse Block, under left rear seat
53
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Link Connector
(DLC)
Below I/P, above the accelerator pedal
60
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Door Module
(DDM)
On lower part of the driver door switch panel
95
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Brake Control
Module (EBCM)
Inner left side frame rail (near transmission)
41
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Passenger Door
Module (FPDM)
On lower part of passenger door switch panel
96
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block-Underhood
Left side of engine compartment
3
. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HVAC Control Module
In the IP center trim panel, beneath the radio
75
. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HVAC Control Module-
Auxiliary
At rear of lower console
85
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflatable Restraint Sensing
and Diagnostic Module
(SDM)
Beneath the lower console
87
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel Cluster
(IPC)
On the left side of the IP, above the steering column
59
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
Liftgate Module (LGM)
Inside the liftgate
113
. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Seat Module-
Driver
Mounted on underside of seat
121
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Seat Module-
Passenger
Mounted on underside of seat
121
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powertrain Control Module
(PCM) (4.2L)
Left front of engine
5
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powertrain Control Module
(PCM) (5.3L)
Left front of engine compartment
25
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radio
Center of I/P
74
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SP205
Below left side of I/P
57
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transfer Case Shift Control
Module (4WD)
Behind the left lower I/P
58
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle Communication
Interface Module (VCIM)
Under right rear seat
65
. . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
C101 (38-BLK)
Left side of engine compartment
3
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C304 (16-BLK)
Under carpet, rear floor area
103
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C307 (18-MD GRY)
Beneath rear of lower console
86
. . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C500 (12-BLK)
Midpoint of leading edge of left front door
93
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C600 (12-BLK)
Midpoint of leading edge of right front door
93
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C900 (6-BLK)
Top of the liftgate
107
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
G102
Left side of engine compartment
4
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Location Index
51
BODY CONTROL MODULE SYSTEM
Body Control Module (BCM)
Fuse Block-Rear
Fuse Block-Underhood
Component Index
51-0
BODY CONTROL MODULE SYSTEM
HOT AT ALL TIMES
Battery
positive
voltage
*E6
**E12
C2
FUSE
BLOCK-
UNDERHOOD
Connector
TBC 1
Fuse 31
10A
A3
See
Ground
Distribution,
page 14-6
BODY
CONTROL
MODULE
(BCM)
Connector
HOT AT ALL TIMES
FUSE
BLOCK-
REAR
Connector
G302
B13
TBC 5
Fuse 32
10A
B17
B4
A1
TBC 4
Fuse 40
10A
TBC 3
Fuse 4
10A
TBC 2
Fuse 7
10A
See Power
Distribution,
page 10-8.
B13
B17
B4
A1
RIBBON
CABLE
C3
B6
B8
C1
Rear
wiper/
washer
switch
supply
voltage
Remote
radio
control
signal
FUSE
BLOCK-
REAR
Connector
A11
B11
See
Ground
Distribution,
page 14-6.
BLK
1
BLK
5
C3
F8
C2
A11
B11
WHT
0.35
LT GRN
0.35
Air Conditioning
Automatic,
Rear Wiper/Washer,
Sound System
(Steering Wheel
Controls)
C1
RIBBON
CABLE
RIBBON
CABLE
ORN
0.35
Battery
positive
voltage
Battery
positive
voltage
Battery
positive
voltage
C4
Ground
Ground
RIBBON
CABLE
RIBBON
CABLE
RIBBON
CABLE
Battery
positive
voltage
A2
(Not
used)
C4
*4.2L
**5.3L
Air Conditioning
Automatic,
Rear Wiper/Washer,
Sound System
(Steering Wheel
Controls)
Circuit Schematic
51-1
BODY CONTROL MODULE SYSTEM
HOT IN RUN AND START
E5
C2
FUSE
BLOCK-
UNDERHOOD
Connector
TBC IGN 1
Fuse 16
10 A
BODY
CONTROL
MODULE
(BCM)
Connector
HOT AT ALL TIMES
FUSE
BLOCK-
REAR
Connector
TBC ACC
Fuse 31
3A
TBC IG
Fuse 50
3A
TBC RUN
Fuse 52
3A
A19
B15
A18
A20
RIBBON
CABLE
C3
B8
B6
B9
A6
C3
PNK
0.35
Key-in
ignition
switch
signal
HOT IN ACC,
ON OR START
HOT IN ACC AND ON
C1
D12
Power
window
switch
left Rear
up
signal
B5
B7
E3
LT GRN
0.35
C2
E12
C2
Ignition 1
voltage
BLK
0.35
Power Windows
Audible
Warning
System
Horns
Power
window
switch
left rear
down
signal
Power
window
lockout
right
rear
control
Power
window
switch
right
rear up
signal
Power
window
switch
right
rear
down
signal
Power
window
lockout
left rear
control
A19
B15
A18
A20
C4
RIBBON
CABLE
RIBBON
CABLE
RIBBON
CABLE
Accessory
voltage
Ignition 0
voltage
Ignition 3
voltage
RIBBON
CABLE
RIBBON
CABLE
RIBBON
CABLE
RIBBON
CABLE
RIBBON
CABLE
RIBBON
CABLE
Horn
relay
control
Circuit Schematic
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