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139-1
120Ć3
Automatic Transmission Shift Lock Control Sys-
tem
The automatic transmission shift lock control system is
a safety device that prevents an inadvertent shift out of
PARK when the engine is running. The driver must
press the brake pedal before moving the shift lever out
of the PARK position. The system consists of the
following components:
S
The automatic transmission shift lock control
solenoid
S
The automatic transmission shift lock control switch
With the ignition in the ON position, voltage is supplied
to automatic transmission shift lock control switch.
Voltage flows through the normally closed contacts of
the automatic transmission shift lock control switch to
the automatic transmission shift lock control solenoid.
The automatic transmission shift lock control solenoid
is permanently grounded. This energizes the automatic
transmission shift lock control solenoid causing the
transmission shift lever to be physically locked in the
PARK position. When the brake pedal is pressed the
contacts in the automatic transmission shift lock control
switch open, de-energizing the automatic transmission
shift lock control solenoid. This allows the shift lever to
be move out of the PARK position.
Park Lock Solenoid
The park lock solenoid is a safety device that prevents
an inadvertent shift out of PARK when the key is in the
OFF position. The key must be in the RUN position to
release the park lock solenoid.
The system consists of the park lock solenoid.
With the ignition in the ON position, voltage is supplied
to the park lock solenoid. The park lock solenoid
energizes through a permanent ground unlocking the
shift lever. With the ignition in the OFF or ACCY position
the park lock solenoid de-energizes and locks the shift
lever in the park position.
Circuit Operation
SHIFT LOCK CONTROL SYSTEM
139-2
SHIFT LOCK CONTROL SYSTEM
(Refer to Section 201 for photographs.)
Component
Photo No.
Automatic Transmission Shift
Lock Actuator
In lower console
62
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block-Rear
Under the left rear seat
52
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block-Underhood
Left side of engine compartment
3
. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Lock Cylinder Control
Actuator
In right side of steering column
67
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Park/Neutral Position (PNP)
Switch
Left side of transmission
40
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SP201
Near right front of lower console
80
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop Lamp Switch
On brake pedal support
64
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
C201 (17-BLK), (18-BLK),
and (13-GRY)
At base of steering column
120
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
G201
Near right front of lower console
80
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Location Index
140
POWER SEATS
Fuse Block-Rear
Lumbar Adjuster Switch-Driver
Lumbar Adjuster Switch-Passenger
Seat Adjuster Switch-Driver
Seat Front Vertical Motor-Driver
Seat Front Vertical Motor-Passenger
Seat Horizontal Motor-Driver
Seat Horizontal Motor-Passenger
Seat Lumbar Horizontal Motor-Driver
Seat Lumbar Horizontal Motor-Passenger
Seat Lumbar Vertical Motor-Driver
Seat Lumbar Vertical Motor-Passenger
Seat Rear Vertical Motor-Driver
Seat Rear Vertical Motor-Passenger
Seat Recline Motor-Driver
Seat Recline Motor-Passenger
Component Index
140-0
POWER SEATS: DRIVER
B
A
DK GRN
2
K
Up
M
DK BLU
2
J
Down
SEAT
FRONT
VERTICAL
MOTOR-
DRIVER
SEAT ADJUSTER
SWITCH-DRIVER
Connector
seats
Circuit
Breaker 8
30A
HOT AT ALL TIMES
C1
FUSE
BLOCK-
REAR
Connector
C2
A
To A on
page 140-1
ORN
3
C
C311
Connector
ORN
3
B
To B on
page 140-2
ORN
3
E
Up
Down
A
B
B
A
YEL
2
H
Up
M
LT BLU
2
G
Down
SEAT
REAR
VERTICAL
MOTOR-
DRIVER
Up
Down
D
C
B
A
TAN
2
D
M
LT GRN
2
C
SEAT
HORIZONTAL
MOTOR-
DRIVER
F
E
B
A
LT GRN
2
F
M
LT BLU
2
A
SEAT
RECLINE
MOTOR-
DRIVER
H
G
C313
Connector
DK GRN
2
DK BLU
2
YEL
2
LT BLU
2
TAN
2
LT GRN
2
LT GRN
2
LT BLU
2
Fwd
Rear
Fwd
Rear
Fwd
Rear
Fwd
Rear
D
C311
Connector
BLK
1
B
G302
See Ground
Distribution,
page 14-6.
BLK
3
BLK
5
ORN
3
Circuit Schematic
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