Jeep Wrangler TJ. Manual — part 315
turn signals only until the left multi-function switch
control stalk is released. When the control stalk is
moved to a turn signal switch detent position, the
cancel actuator extends toward the center of the
steering column. A turn signal cancel cam that is
integral to the clockspring, rotates with the steering
wheel and the cam lobes contact the cancel actuator
when it is extended from the multi-function switch. If
only momentary signaling is desired, the switch is
actuated to a left or right intermediate detent posi-
tion. In this position the signal lamps flash as
described above, but the switch returns to the Off
position as soon as the lever is released. When the
system is activated, one of two turn indicators in the
instrument cluster flashes in unison with the turn
signal lamps, indicating to the driver that the system
is operating.
DIAGNOSIS AND TESTING - LEFT MULTI-
FUNCTION SWITCH
Refer to the appropriate wiring information.
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the left multi-function switch from the
steering column (Refer to 8 - ELECTRICAL/LAMPS/
LIGHTING - EXTERIOR/LEFT MULTI-FUNCTION
SWITCH - REMOVAL).
(3) Remove the combination flasher from the left
multi-function switch.
(4) Using an ohmmeter, perform the continuity
and resistance tests at the terminals in the left
multi-function switch connector receptacles as shown
in the Left Multi-Function Switch Test table. Refer to
(Fig. 25) and (Fig. 26) for connector terminal and
cavity identification.
Fig. 25 Combination Flasher Receptacle (Connector
A)
Fig. 26 Left Multi-Function Switch Connector
Receptacle (Connector B)
TJ
LAMPS/LIGHTING - EXTERIOR
8L - 25
LEFT MULTI-FUNCTION SWITCH (Continued)
LEFT (LIGHTING) MULTI-FUNCTION SWITCH TEST
TURN SIGNAL AND HAZARD WARNING SWITCH TESTS
SWITCH POSITION
CONTINUITY
BETWEEN
TURN
HAZARD
Neutral
Off
B1 & B4, B1 & B5
Left
Off
A2 & B2, A2 & B4, B1 & B5
Right
Off
A2 & B5, B1 & B4
Neutral
On
A2 & B2, A2 & B4, A2 & B5, A2 & B6, A3 & B7, A3 & A5
EXTERIOR LIGHTING SWITCH TESTS
SWITCH POSITION
CONTINUITY BETWEEN
Park Lamps On
B9 & B20
Headlamp Low Beams On
B16 & B18, B16 & B19
Headlamp High Beams On
B17 & B18, B17 & B19
Fog Lamps On
B13 & B14
Rear Fog Lamps On
B12 & B13
Optical Horn On
B17 & B18, B17 & B19
INTERIOR LIGHTING SWITCH TESTS
SWITCH POSITION
RESISTANCE
BETWEEN
RESISTANCE (OHMS)
Panel Lamps Dimming Position 1 (Dimmest)
B7 & B8
5653 ± 10%
Dimming Position 2
B7 & B8
3743 ± 10%
Dimming Position 3
B7 & B8
2593 ± 10%
Dimming Position 4
B7 & B8
1825 ± 10%
Dimming Position 5
B7 & B8
1221 ± 10%
Dimming Position 6 (Brightest)
B7 & B8
768 ± 10%
Parade Mode On
B7 & B8
412 ± 10%
Courtesy Lamps On
B7 & B8
150 ± 10%
(5) If the left multi-function switch fails any of the
continuity or resistance tests, replace the faulty
switch unit as required.
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the steering column opening cover
from the instrument panel. (Refer to 23 - BODY/IN-
STRUMENT PANEL/STEERING COLUMN OPEN-
ING COVER - REMOVAL).
(3) Remove the two screws that secure the lower
steering column shroud to the upper shroud (Fig. 27).
(4) If the vehicle is equipped with the optional tilt
steering column, move the tilt steering column to the
fully lowered position and leave the tilt release lever
in the released (down) position.
(5) Remove both the upper and lower shrouds from
the steering column.
(6) Disconnect the cross body wire harness connec-
tor for the left multi-function switch from the connec-
tor receptacle on the back of the switch.
(7) Disconnect the cross body wire harness connec-
tor for the right multi-function switch from the con-
nector receptacle on the back of the switch.
8L - 26
LAMPS/LIGHTING - EXTERIOR
TJ
LEFT MULTI-FUNCTION SWITCH (Continued)
(8) Remove the two screws that secure the multi-
function switch assembly to the upper steering col-
umn housing (Fig. 28).
(9) Remove the multi-function switch assembly
from the upper steering column housing.
(10) Remove the two small screws that secure the
right multi-function switch to the left multi-function
switch mounting housing.
(11) Grasp the right multi-function switch control
stalk firmly and pull the switch toward the right far
enough to disengage the alignment pins on the top
(1) and bottom (2) of the right switch housing from
the alignment ramps on the left multi-function
switch mounting housing.
(12) Remove the right multi-function switch from
the left multi-function switch.
(13) Remove the combination flasher from the con-
nector receptacle on the back of the left multi-func-
tion switch.
INSTALLATION
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Install the combination flasher into the connec-
tor receptacle on the back of the left multi-function
switch.
(2) Position the right multi-function switch to the
left multi-function switch.
(3) Grasp the right multi-function switch control
stalk firmly and slide the switch toward the left far
enough to engage the alignment pins on the top (1)
and bottom (2) of the right switch housing into the
alignment ramps on the left multi-function switch
mounting housing.
(4) Install and tighten the screws that secure the
right multi-function switch to the left multi-function
switch mounting housing (Fig. 28). Tighten the
screws to 2 N·m (17 in. lbs.).
(5) Position the multi-function switch assembly
onto the upper steering column housing.
(6) Install and tighten the screws that secure the
multi-function switch assembly to the upper steering
column housing. Tighten the screws to 2 N·m (17 in.
lbs.).
Fig. 27 Steering Column Shrouds Remove/Install
1 - LEFT MULTI-FUNCTION SWITCH
2 - UPPER SHROUD
3 - RIGHT MULTI-FUNCTION SWITCH
4 - CLOCKSPRING
5 - IGNITION LOCK CYLINDER HOUSING
6 - LOWER SHROUD
7 - SCREW (2)
Fig. 28 Multi-Function Switch Remove/Install
1 - LEFT MULTI-FUNCTION SWITCH
2 - SCREW (2)
3 - SCREW (2)
4 - RIGHT MULTI-FUNCTION SWITCH
5 - UPPER STEERING COLUMN HOUSING
TJ
LAMPS/LIGHTING - EXTERIOR
8L - 27
LEFT MULTI-FUNCTION SWITCH (Continued)
(7) Reconnect the cross body wire harness connec-
tor for the right multi-function switch to the connec-
tor receptacle on the back of the switch.
(8) Reconnect the cross body wire harness connec-
tor for the left multi-function switch to the connector
on the back of the switch.
(9) Position both the upper and lower shrouds onto
the steering column (Fig. 29). Be certain that the
locating tabs for the left and right multi-function
switch
control
stalk
watershields
are
properly
engaged in the openings of both the upper and lower
shrouds.
(10) Install and tighten the screws that secure the
lower steering column shroud to the upper shroud.
Tighten the screws to 2 N·m (17 in. lbs.).
(11) If the vehicle is equipped with the optional tilt
steering column, move the tilt steering column to the
fully raised position and secure it in place by moving
the tilt release lever back to the locked (up) position.
(12) Reinstall the steering column opening cover
onto the instrument panel. (Refer to 23 - BODY/IN-
STRUMENT PANEL/STEERING COLUMN OPEN-
ING COVER - INSTALLATION).
(13) Reconnect the battery negative cable.
SIDE MARKER LAMP UNIT
REMOVAL
(1) Disconnect and isolate the battery negative cable.
(2) From underside of the fender flare, remove the
nut that secures the side marker lamp housing to the
front fender flare.
(3) Remove the lamp housing from the fender flare.
(4) Rotate the socket one-third turn counterclockwise
and separate the socket and lamp from the housing.
INSTALLATION
(1) Install the socket and lamp into the housing
and rotate the socket one-third turn clockwise.
(2) Position the side marker lamp housing into the
front fender flare.
(3) Install the nut that secures the side marker
lamp housing to the fender flare. Tighten the nut
securely.
(4) Reconnect battery negative cable.
SIDE MARKER LAMP
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) From underside of the fender flare, rotate the
side marker lamp socket one-third turn counterclock-
wise and separate it from the side marker lamp
housing.
(3) Remove the lamp from the socket by pulling it
straight out of the socket.
INSTALLATION
(1) Install the side marker lamp into the socket by
pushing it straight into the socket.
(2) Install the socket into the housing and rotate
the socket one-third turn clockwise.
(3) Reconnect the battery negative cable.
REPEATER LAMP
DESCRIPTION
Some
export
models
are
equipped
with
side
repeater lamps instead of side marker lamps. The
side repeater lamp operates with the turn signals
and has an amber colored lens and a clear lamp. For
Removal and Installation procedures, refer to Side
Marker Lamps within this Group.
OPERATION
The side repeater lamps operate in series with the
front and rear turn signal lamps and are controlled
by
the
steering
column
mounted
multi-function
switch.
DIAGNOSIS AND TESTING - SIDE REPEATER
LAMP
The following chart is designed to diagnosis a
faulty side repeater lamp with the turn signals oper-
ating normally. Refer to Wiring Diagrams for a com-
plete system schematic.
Fig. 29 Shroud Remove/Install
1 - UPPER SHROUD
2 - LOWER SHROUD
8L - 28
LAMPS/LIGHTING - EXTERIOR
TJ
LEFT MULTI-FUNCTION SWITCH (Continued)
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