Chrysler Stratus Convertible. Manual — part 271
SEATBELT CONTROL TIMER MODULE (SCTM)
CAUTION: DO NOT CONNECT OR DISCONNECT
THE SEATBELT CONTROL TIMER MODULE (SCTM)
WHILE THE BATTERY IS CONNECTED. FAILURE TO
DO THIS MAY RESULT IN PERSONAL INJURY OR
PROPERTY DAMAGE AS A CONSEQUENCE OF
IMPROPER OPERATION OF THE MODULE.
REMOVAL
(1) Disconnect and isolate the battery negative
remote cable.
(2) Raise parking brake lever as high as possible.
(3) Loosen set screw on front of shifter knob and
remove shift lever knob.
(4) Remove plastic plunger rod from shifter lever.
(5) Remove cap covering screw head near shifter
lever.
(6) Remove lighted PRNDL bezel.
(7) Remove screws next to floor shifter and in con-
sole storage compartment, holding floor console to
the brackets on the floor pan.
(8) Disconnect wire connector for floor console
accessories at floor pan.
(9) Separate console from vehicle.
(10) Remove the two mounting nuts from the Seat-
belt Control Timer Module.
(11) Remove the wire harness connector from the
module and remove module.
INSTALLATION
CAUTION: USE SUPPLIED NUTS ONLY
(1) Install the module and tighten the mounting
nuts to the proper torque.
(2) Position console in vehicle.
(3) Verify that the rear locator pin on the bottom
of the storage bin is engaged to the slot in the body
bracket.
(4) Connect the wire connector for the floor console
accessories at floor pan.
(5) Install lighted PRNDL letter bezel.
(6) Install cap to cover screw head near shifter
lever.
(7) Install plastic plunger rod to shifter lever.
(8) Install shift lever knob and tighten set screw
on front of shifter knob.
STEERING WHEEL
REMOVAL
(1) Adjust the steering wheel so that the tires are
in the straight ahead position.
(2) Disconnect and isolate the battery negative
remote cable (Fig. 8).
(3) Remove the speed control switch screws from
back of the steering wheel. Pull the switch pods out
and disconnect the wires.
(4) Remove the Driver Airbag Module attaching
bolts from steering wheel. Lift the module and dis-
connect the wire by:
(a) Lifting the secondary latch.
(b) Disconnect the connector from the module
using the finger grips. Use care not to pull on
wires. Never use a metallic tool to pry on the con-
nector.
(5) Disconnect the horn wire from the airbag mod-
ule mounting bracket. Remove the speed control
wires from under the bracket and from the wire
guides.
(6) Remove the steering wheel retaining nut.
(7) Remove the steering wheel with wheel puller
tool. Carefully feed all of the wires through the steer-
ing wheel armature to avoid damaging wires.
INSTALLATION
(1) Ensure that the road wheels are in the straight
ahead position.
(2) Ensure that the clockspring is centered by
using the centering indicator. Refer to Clockspring
Centering Procedure in this section.
(3) Ensure that the turn signal stalk is in the neu-
tral position.
Fig. 10 Passenger Airbag Removal
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PASSIVE RESTRAINT SYSTEMS
8M - 11
REMOVAL AND INSTALLATION (Continued)
(4) Carefully route the wires through the hole in
the steering wheel armature. Install steering wheel
and tighten to 61 N·m (45 ft. lbs.) torque.
(a) Ensure that the driving key on the steering
wheel hub lines up with the slot in the clockspring
rotor.
(b) Ensure that the block tooth in the steering
wheel hub lines up with the missing tooth on the
steering column shaft.
(5) Route the speed control wires under the horn
mechanism and through the speed control switch
pockets. Connect the speed control wires to switches
and install switches. Tighten bolts to 1.7
6 1 N·m (15
6 10 in. lbs.) torque.
(6) Connect the horn lead to steering wheel.
(7) Connect the yellow airbag lead to the Driver
Airbag Module and push secondary latch into place
(Fig. 9). Check that the wires do not get pinched dur-
ing installation.
(8) Install the airbag module bolts and tighten the
left side first. Tighten to 9 to 10 N·m (80 to 90 in.
lbs.) torque.
(9) Refer to Diagnosis and Testing for Airbag Sys-
tem Test procedures before connecting battery nega-
tive remote cable.
ADJUSTMENTS
CLOCKSPRING CENTERING PROCEDURE
WARNING: If the rotating tape within the clock-
spring is not positioned properly with the steering
wheel and the front wheels, the clockspring may fail
during use. The clockspring is centered when yel-
low appears in the centering window and the arrow
on the rotor points to the window. If clockspring is
not centered, the following procedure MUST BE
USED to center the clockspring:
(1) To center the clockspring, with steering wheel
removed, depress the two plastic locking pins to dis-
engage the mechanism. Rotate clockspring until yel-
low appears in the centering window.
(2) The arrow on the rotor will be pointing at the
window if the clockspring is centered. Release locking
pins to engage locking mechanism.
(3) For installation, refer to Clockspring Removal
and Installation in this section. Refer to Diagnosis
and Testing for Airbag System Test procedures before
connecting battery negative remote cable.
8M - 12
PASSIVE RESTRAINT SYSTEMS
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REMOVAL AND INSTALLATION (Continued)
ELECTRICALLY HEATED SYSTEMS
TABLE OF CONTENTS
page
page
DESCRIPTION AND OPERATION
DIAGNOSIS AND TESTING
SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
GRID LINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
HVAC CONTROL MODULE . . . . . . . . . . . . . . . . . . 3
REAR WINDOW DEFOGGER RELAY. . . . . . . . . . . 3
SERVICE PROCEDURES
REPAIR GRID LINES, TERMINALS AND
PIGTAILS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
REMOVAL AND INSTALLATION
DESCRIPTION AND OPERATION
REAR WINDOW DEFOGGER SYSTEM
DESCRIPTION
The rear window defogger is used to defog and
deice the rear window in cases of freeze up and
humid conditions. The switch is located within the
mode select knob on the HVAC control module
OPERATION
The system consists of a rear glass with two verti-
cal bus bars and a series of electrically connected
grid lines on the inside surface. The control switch is
located in the HVAC Control Module. The relay is
located in the junction block. The timer is located in
the Body Control Module (BCM).
Circuit protection for heated grid is provided by:
• Fuse 12 (EBL) located in the power distribution
center
• Rear window defogger relay (EBL) located in the
Junction Block
When the button is depress to the ON position,
current is directed to the rear defogger grid lines. A
yellow indicator within the center of the button will
illuminate while the defogger is ON. The heated grid
lines will heat the rear glass and clear the window
surface of fog or frost.
CAUTION: Grid lines can be damaged or scraped
off with sharp instruments, care should be taken in
cleaning
glass
or
removing
foreign
materials,
decals or stickers. Normal glass cleaning solvents
or hot water used with rags or toweling is recom-
mended.
HVAC CONTROL MODULE
DESCRIPTION
The rear window control switch and circuit are
integrated into the HVAC control module.
Fig. 1 Rear Window Defogger
Fig. 2 HVAC Control Module
1 – REAR WINDOW DEFOGGER SWITCH
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ELECTRICALLY HEATED SYSTEMS
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OPERATION
When actuating the switch it sends a ground sig-
nal to the Body Control Module (BCM). The BCM
actuates the relay allowing current to flow through
the grid lines for ten minutes upon initial actuation.
Then 5 minutes with each subsequent actuation or
until either the switch or ignition is turned off. An
indicating lamp illuminates the rear window defogger
switch.
DIAGNOSIS AND TESTING
SYSTEM TEST
Electrically heated rear window defogger operation
can be checked in vehicle in the following manner:
(1) Turn ignition switch to the ON position.
(2) Make sure defogger switch is OFF.
(3) Remove the battery negative remote cable from
the terminal. Using a ammeter (capable of a 30 AMP
range), connect the ammeter is series between the
battery cable and the remote terminal. Turn the
Defogger control switch ON, a distinct increase in
amperage draw should be noted.
(4) The rear window defogger operation can be
checked by feeling the glass. A distinct difference in
temperature between the grid lines and adjacent
clear glass can be detected in 3 to 4 minutes of oper-
ation.
(5) Using a DC voltmeter (Fig. 3) contact terminal
B with the negative lead, and terminal A with the
positive lead. The voltmeter should read 10-14 volts.
(6) Step 3, Step 4, and Step 5 above will confirm
system operation. Indicator light illumination means
that there is power available at the output of the
relay only, and does not necessarily verify system
operation.
(7) If the indicator light is not on, then check fuse
#6 in the junction block.
(8) If turning the switch ON produced no distinct
current draw on the ammeter the problem should be
isolated in the following manner:
(a) Confirm the ignition switch is ON.
(b) Ensure that the heated rear glass feed wire
is connected to the terminal or pigtail and that the
ground wire is in fact grounded.
(c) Ensure that fuse 12 (EBL) in the Power Dis-
tribution Center is OK.
(9) When the above steps have been completed and
the system is still inoperative, one or more of the fol-
lowing is defective:
(a) Control switch in the HVAC control module
(b) Rear window defogger relay (EBL) in the
Junction Block
(c) Timer circuit in the Body Control Module
(d) Rear window grid lines, all grid lines would
have to be broken or one of the feed wires are not
connected for the system to be inoperative.
(10) If depressing the switch button ON produces
severe voltmeter deflection, the circuit should be
closely checked for a shorting condition.
(11) If the system operation has been verified but
indicator bulb does not light, check fuse 6 in the
junction block. If not OK, replace as necessary. If OK,
test the HVAC control module.
(12) For detailed wiring information, refer to group
8W, Wiring Diagrams.
GRID LINES
The horizontal grid lines and vertical bus bar lines
printed and fired on inside surface of rear window
glass (Fig. 3) comprise an electrical parallel circuit.
The electrically conductive lines are composed of a
silver-ceramic material which when fired on glass
becomes bonded to the glass and is highly resistant
to abrasion. It is possible, however, that a break may
occur in an individual grid line resulting in no cur-
rent flow through the line. To detect breaks in grid
lines the following procedure is required:
(1) Turn ignition switch to the ON position.
Depress the control switch button to ON position.
The indicator light should come on.
(2) Using a DC voltmeter with 0-15 volt range,
contact the ground terminal with negative lead of
voltmeter. With positive lead of voltmeter, contact
feed terminal (Fig. 3). The voltmeter should read
Fig. 3 Grid Line Test
1 – VIEW FROM INSIDE VEHICLE
2 – REAR WINDOW DEFOGGER
3 – BUS BARS
4 – VOLTAGE FEED (A)
5 – VOLTMETER
6 – MID-POINT (C)
7 – PICK-UP LEADS
8 – GROUND (B)
8N - 2
ELECTRICALLY HEATED SYSTEMS
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DESCRIPTION AND OPERATION (Continued)
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