2003 CHRYSLER CARAVAN Service Manual

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Page 433 of 2177

CHRYSLER CARAVAN 2003 Service Manual ALIGNMENT SCREEN PREPARATION
(1) Position vehicle on a level surface perpendicu-
lar to a flat wall 10 meters (32.8 ft.) away from front
of headlamp lens (Fig. 21).
(2) If necessary, tape a line on th

Page 434 of 2177

CHRYSLER CARAVAN 2003 Service Manual REMOVAL
(1) Disconnect and isolate the battery negative
cable.
Fig. 20 HEADLAMP UNIT ADJUSTMENT
1 - ADJUSTMENT LOCATION
2 - HEADLAMP UNIT
Fig. 21 HEADLAMP UNIT ALIGNMENT SCREEN - EXPORT
1 - CENTER OF

Page 435 of 2177

CHRYSLER CARAVAN 2003 Service Manual (2) Remove the three retaining screws (Fig. 23).
(3) Disconnect the wiring harness from the bulbs
(Fig. 24).
(4) Remove wire harness retainer from back of
headlamp unit.
(5) Remove the headlamp unit.

Page 436 of 2177

CHRYSLER CARAVAN 2003 Service Manual MULTI-FUNCTION SWITCH
DESCRIPTION - TURN SIGNAL SYSTEM
The turn signals are actuated with a lever on
Multi-Function Switch, located on the left side of the
steering wheel. The signals are automaticall

MULTI-FUNCTION SWITCH
DESCRIPTION - TURN SIGNAL SYSTEM
The turn signals are actuated with a lever on
Multi-Function Switch, located on the left side of the
steering wheel. The signals are automatically turned
off by a canceling cam (two lobes molded to the clock
spring mechanism). The cam comes in contact with
the cancel actuator on the turn signal (multi-func-
tion) switch assembly. Either cam lobe, pushing on
the cancel actuator, returns the switch to the OFF
position. The multi-function switch is a resistive
MUX switch that feeds inputs to the BCM.
OPERATION - TURN SIGNAL SYSTEM
Lane change signaling is actuated by applying par-
tial turn signal stalk movement toward the direction
desired until the indicator lamps flashes in the
instrument cluster. When the switch stalk is released
the stalk will spring back into the neutral position
turning OFF the turn signal.
With the ignition switch ON and the turn signal
switch stalk actuated left or right, current flows
through the:
²Multi-function switch
²Body Control Module
²Integrated Power Module (IPM)
²Turn indicator lamp
²Front and rear turn signal bulbs.
A chime will sound after the vehicle has traveled a
distance of approximately 1.0 mile and a speed of 15
mph, with the turn signal ON.
DIAGNOSIS AND TESTING - MULTI-FUNCTION
SWITCH
To test turn signal, headlamp beam select and opti-
cal horn portion of the multi-function switch:(1) Remove the multi-function switch, refer to
Electrical, Lamps/Lighting - Exterior, Multi-Function
Switch, Removal, and Installation.
(2) Using an ohmmeter check the resistance read-
ings between multi-function switch pins. Refer to
Wiring Diagrams for proper pin numbers and the
MULTI-FUNCTION SWITCH RESISTANCE table.
MULTI-FUNCTION SWITCH RESISTANCE
SWITCH
POSITIONPIN NUMBER RESISTANCE
LEFT 2 AND 3 2.7V 5%
RIGHT 2 AND 3 1KV 5%
OPTICAL
HORN2 AND 4 1.7KV 5%
HI BEAM 2 AND 4 2.32KV 5%
REMOVAL
(1) Disconnect and isolate battery negative cable.
(2) Remove upper and lower steering column
shrouds. Refer to Steering, Column, Shroud,
Removal.
(3) Disconnect wire connector from back of multi-
function switch.
(4) Remove screws holding multi-function switch to
steering column adapter collar.
(5) Remove the multi-function switch.
INSTALLATION
(1) Position the switch on to the steering column.
(2) Install the two retaining screws.
(3) Connect the wire harness connector.
(4) Install the upper and lower steering column
shrouds. Refer to Steering, Column, Shroud, Installa-
tion.
(5) Connect the battery negative cable.
PARK/TURN SIGNAL LAMP
REMOVAL
(1) Disconnect and isolate battery negative cable.
(2) Remove headlamp retaining screws.
(3) Twist socket counter - clockwise and remove
(Fig. 27).
(4) Pull bulb from socket.
INSTALLATION
(1) Push bulb into socket.
(2) Twist socket into headlamp.
(3) Install headlamp retaining screws.
(4) Reconnect battery negative cable.
Fig. 26 LICENSE PLATE LAMP - REMOVE/INSTALL
1 - LICENSE PLATE LAMP UNIT
2 - BULB
RSLAMPS/LIGHTING - EXTERIOR8L-21
LICENSE LAMP (Continued)
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Page 437 of 2177

CHRYSLER CARAVAN 2003 Service Manual PARK/TURN SIGNAL LAMP -
EXPORT
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the headlamp unit (Refer to 8 - ELEC-
TRICAL/LAMPS/LIGHTING - EXTERIOR/HEAD-
LAMP UNIT - EXPORT

PARK/TURN SIGNAL LAMP -
EXPORT
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the headlamp unit (Refer to 8 - ELEC-
TRICAL/LAMPS/LIGHTING - EXTERIOR/HEAD-
LAMP UNIT - EXPORT - REMOVAL).
(3) Remove the rubber boot cover.
(4) Twist bulb socket and remove from headlamp
unit (Fig. 28).
(5) Depress, then rotate the bulb and remove from
bulb socket.
INSTALLATION
(1) Install bulb into bulb socket.
(2) Install bulb socket to headlamp unit.
(3) Install rubber boot cover.
(4) Install headlamp unit (Refer to 8 - ELECTRI-
CAL/LAMPS/LIGHTING - EXTERIOR/HEADLAMP
UNIT - EXPORT - INSTALLATION).
(5) Connect battery negative cable.
REAR FOG LAMP - EXPORT
DESCRIPTION
The rear fog lamps are incorporated into the tail
lamp unit. (Refer to 8 - ELECTRICAL/LAMPS/
LIGHTING - EXTERIOR/TAIL LAMP - REMOVAL)
for service procedures.
REPEATER LAMP - EXPORT
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Push the side repeater lamp to the right and
release retaining tab on the left.
(3) Pull side repeater lamp out and disengage bulb
socket from lamp.
(4) Depress, then rotate and pull bulb from socket.
INSTALLATION
(1) Install bulb to socket.
(2) Push lamp socket into the side repeater lamp.
(3) Position metal spring clip in fender hole notch.
(4) Position side repeater lamp to hole in fender.
(5) Push side repeater lamp to compress metal
spring clip and seat retaining tab into fender.
(6) Connect battery negative cable.
TAIL LAMP
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the tail lamp unit. (Refer to 8 - ELEC-
TRICAL/LAMPS/LIGHTING - EXTERIOR/TAIL
LAMP UNIT - REMOVAL).
(3) Squeeze the tabs on the bulb socket and
remove from tail lamp unit (Fig. 29).
(4) Pull bulb from lamp socket.
INSTALLATION
(1) Push bulb into the lamp socket.
Fig. 27 PARK/TURN SIGNAL LAMP
1 - PARK/TURN SIGNAL LAMP
2 - LAMP SOCKET
Fig. 28 PARK/TURN SIGNAL LAMP
1 - LOW BEAM HEADLAMP
2 - PARK/TURN SIGNAL LAMP
8L - 22 LAMPS/LIGHTING - EXTERIORRS
PARK/TURN SIGNAL LAMP (Continued)
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Page 438 of 2177

CHRYSLER CARAVAN 2003 Service Manual (2) Install bulb socket into the tail lamp unit.
Ensure that both retaining tabs engage with an audi-
ble click.
(3) Install the tail lamp unit. (Refer to 8 - ELEC-
TRICAL/LAMPS/LIGHTING - EXTERIOR/TA

Page 439 of 2177

CHRYSLER CARAVAN 2003 Service Manual (4) Insert the two retaining fasteners by pressing
into position (insert into the hole first, followed by
the slot). Ensure that the head of the fastener is
open before inserting.
(5) Close the liftga

Page 440 of 2177

CHRYSLER CARAVAN 2003 Service Manual LAMPS/LIGHTING - INTERIOR
TABLE OF CONTENTS
page page
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS
INTERIOR LAMPS.....................25
CENTER CONSOLE LAMP SWITCH
REMOVAL.............................26
I

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