wiring CHRYSLER VOYAGER 2001 Service Manual

REMOTE KEYLESS ENTRY
MODULE
DESCRIPTION
The RKE module is capable of retaining up to four
different Vehicle Access Codes.
OPERATION
Whenever the vehicle battery power is interrupted
the RKE Module will retain all vehicle access codes
in its memory. When replacing or adding a key fob
transmitter (maximum 4) a DRB IIItscan tool is
required to program the RKE Module to accept the
new Vehicle Access Code if a customer owned trans-
mitter is not available. Refer to Electrical, Remote
Keyless Entry Module, Standard Procedure - Pro-
gramming RKE Module or the Proper Body Diagnos-
tic Procedures manual.
DIAGNOSIS AND TESTING - REMOTE KEYLESS
ENTRY
Refer to the appropriate wiring information. The
wiring information includes wiring diagrams, proper
wire and connector repair procedures, further details
on wire harness routing and retention, as well as
pin-out and location views for the various wire har-
ness connectors, splices and grounds. Refer to the
proper Body Diagnostic Procedures Manual for test-
ing the Remote Keyless Entry system using a DRB
IIItscan tool. Also refer to other interrelated sys-
tems groups within this manual:
²Vehicle Theft Security System
²Power Seats
²Power Mirrors
STANDARD PROCEDURE - PROGRAMMING
RKE MODULE
(1) Using a functional key fob transmitter, unlock
the vehicle and disarm the Vehicle Theft Security
System.
(2) Insert ignition key into the ignition switch.
(3) Turn the ignition switch to RUN position with-
out starting engine.
(4) Using a functional key fob transmitter, press
and hold the UNLOCK button for a minimum five
seconds (maximum ten seconds).
(5) While still holding UNLOCK button, and
before ten seconds passes, press the PANIC button
and release both at the same time. A single chime
will sound to verify that the RKE module is set to
receive the new Vehicle Access Code(s).
(6) Within 30 seconds of the chime, press and
release the ªLOCKº and ªUNLOCKº buttons on the
transmitter at the same time. Then press any one of
the buttons. The BCM will sound an abbreviatedchime to acknowledge that the programming of the
transmitter has been completed and was successful.
(7) Repeat step 6 for all transmitters that will be
used with this vehicle (up to 4 total).
(8) Programming mode will last for 30 seconds. To
get out of programming mode sooner, turn the igni-
tion OFF. A single chime will sound to verify that the
RKE module will no longer accept additional Vehicle
Access Code(s).
(9) When Vehicle Access Code(s) programming is
complete, turn the ignition switch to the OFF posi-
tion and verify RKE system operation using each key
fob.
NOTE:
Only the two key fob transmitters that have been
programmed to the memory seat and mirror system
will operate it. If any key fob is replaced, the mem-
ory seat and mirror module will require program-
ming. (Refer to 8 - ELECTRICAL/POWER SEATS -
DIAGNOSIS AND TESTING).
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove instrument panel top cover (Refer to
23 - BODY/INSTRUMENT PANEL/INSTRUMENT
PANEL TOP PAD - REMOVAL).
(3) Remove screws holding RKE module to instru-
ment panel.
(4) Disconnect wire connector from RKE module
(Fig. 4).
(5) Remove the RKE module from vehicle.
Fig. 4 RKE MODULE
1 - REMOTE KEYLESS ENTRY MODULE
2 - INSTRUMENT PANEL
3 - DEMISTER DUCT
RSPOWER LOCKS8N-43

POWER MIRRORS
TABLE OF CONTENTS
page page
POWER MIRRORS
DESCRIPTION...........................45
OPERATION.............................45
DIAGNOSIS AND TESTING.................45
POWER MIRRORS......................45
AUTOMATIC DAY / NIGHT MIRROR
DESCRIPTION...........................46
OPERATION.............................46
DIAGNOSIS AND TESTING.................47AUTOMATIC DAY/NIGHT MIRROR..........47
REMOTE SWITCH
DIAGNOSIS AND TESTING.................48
REMOTE SWITCH......................48
REMOVAL..............................48
INSTALLATION...........................48
SIDEVIEW MIRROR
REMOVAL..............................48
POWER MIRRORS
DESCRIPTION
If equipped with power mirrors, the control switch
is located on the instrument panel to the left of the
headlamp switch.
OPERATION
The power mirrors are connected to battery feed at
all times. Each mirror head contains two electric
motors, two drive mechanisms, an electric heating
element, and the mirror glass. If the vehicle is
equipped with the optional memory system, each
mirror head also contains both a horizontal and a
vertical motor position sensor. One motor and drive
controls mirror up-and-down movement, and the
other controls right-and-left movement.
An optional driver side outside electrochromic mir-
ror is able to automatically change its reflectance
level. This mirror is controlled by the circuitry of the
automatic day/night inside rear view mirror. A thin
layer of electrochromic material between two pieces
of conductive glass make up the face of the mirror.
Two photocell sensors on the inside rear view mirror
are used to monitor light levels and adjust the reflec-tance of both the inside and driver side outside mir-
rors. This change in reflectance helps to reduce the
glare of headlamps approaching the vehicle from the
rear. (Refer to 8 - ELECTRICAL/POWER MIRRORS/
AUTOMATIC DAY / NIGHT MIRROR - DESCRIP-
TION) for more information on this system.
The motors which operate the mirrors are part of
the mirror assembly and cannot be serviced sepa-
rately.
DIAGNOSIS AND TESTING - POWER MIRRORS
(1) Remove Power Mirror Switch. (Refer to 8 -
ELECTRICAL/POWER MIRRORS/POWER MIRROR
SWITCH - REMOVAL).
(2) Disconnect wiring harness connector to the
power mirror switch and headlamp switch.
(3) Using two jumper wires:
²Connect one to a 12-volt source
²Connect the other to a good body ground
²Refer to the Mirror Test Chart for wire hookups
at the switch connector (Fig. 1).
(4) If results shown in table are not obtained,
check for broken or shorted circuit, or replace mirror
assembly as necessary.
RSPOWER MIRRORS8N-45

The driver side automatic dimming mirror is stan-
dard with the automatic dimming inside mirror. The
signal to control the dimming of that mirror is gen-
erated by the automatic day/night inside rear view
mirror circuitry. That signal is then delivered to the
driver side outside rear view mirror on a hard wired
circuit.
The automatic day/night mirror cannot be
repaired. If faulty or damaged, the entire inside rear
view mirror assembly must be replaced.
DIAGNOSIS AND TESTING - AUTOMATIC
DAY/NIGHT MIRROR
For circuit descriptions and diagrams, refer to the
appropriate wiring information. The wiring informa-
tion includes wiring diagrams, proper wire and con-
nector repair procedures, details of wire harness
routing and retention, connector pin-out information
and location views for the various wire harness con-
nectors, splices and grounds.
(1) Check the fuse in the intelligent power module.
If OK, go to Step 2. If not OK, repair the shorted cir-
cuit or component as required and replace the faulty
fuse.
(2) Turn the ignition switch to the On position.
Check for battery voltage at the fuse in the intelli-
gent power module. If OK, go to Step 3. If not OK,
repair the open circuit to the ignition switch as
required.
(3) Unplug the wire harness connector from the
automatic day/night mirror. Check for battery voltage
at the fused ignition switch output circuit cavity of
the automatic day/night mirror wire harness connec-
tor. If OK, go to Step 4. If not OK, repair the open
circuit to the junction block as required.
(4) Turn the ignition switch to the Off position.
Check for continuity between the ground circuit cav-
ity of the automatic day/night mirror wire harness
connector and a good ground. There should be conti-
nuity. If OK, go to Step 5. If not OK, repair the cir-
cuit to ground as required.
(5) Turn the ignition switch to the On position. Set
the parking brake. Place the transmission gear selec-
tor lever in the Reverse position. Check for battery
voltage at the backup lamp switch output circuit cav-ity of the automatic day/night mirror wire harness
connector. If voltage is present, reinstall the auto-
matic day/night mirror wire harness connector and
go to Step 6. If not OK, repair the open circuit as
required.
(6) Place the transmission gear selector lever in
the Neutral position. Place the automatic day/night
mirror switch in the On (LED in the switch is
lighted) position. Cover the forward facing ambient
photocell sensor to keep out any ambient light.
NOTE: The ambient photocell sensor must be cov-
ered completely, so that no light reaches the sen-
sor. Use a finger pressed tightly against the sensor,
or cover the sensor completely with electrical tape.
(7) Shine a light into the rearward facing head-
lamp photocell sensor. The automatic day/night mir-
ror should darken. The automatic day/night mirror
should darken within 2 minutes if testing for the
first time. For immediate response, turn the vehicle
OFF and back ON with the forward-facing light sen-
sor still covered. This defeats the day-detect logic. If
OK, go to Step 8. If not OK, replace the faulty mirror
unit.
(8) With the mirror darkened, place the transmis-
sion gear selector lever in the Reverse position. The
automatic day/night mirror should return to its nor-
mal reflectance. If not OK, replace the faulty mirror
unit.
Bench testing both mirrors can be done, of care is
exercised. For an inside mirror, the pin closest to he
mount is 12V (+), the next is 12V (-). The third is
reverse override. The fourth is outside mirror (+),
and the fifth is outside mirror (-).Do not apply 12
volts to the fourth and fifth pins.With 12 volts
on pins 1 and 2, the mirror can be tested by blocking
the rear sensor and shining a light into the forward
sensor. For an outside mirror, there is a 2±pin con-
nector. Applying 1.2 volts will cause the mirror to
dim. If the mirror does not dim, the entire glass
assembly can be replaced just as it is when the glass
is broken.
WARNING: Do not apply 12 volts to the outside mir-
ror. Damage to the mirror will result.
RSPOWER MIRRORS8N-47
AUTOMATIC DAY / NIGHT MIRROR (Continued)

REMOTE SWITCH
DIAGNOSIS AND TESTING - REMOTE SWITCH
(1) Remove power mirror switch. (Refer to 8 -
ELECTRICAL/POWER MIRRORS/POWER MIRROR
SWITCH - REMOVAL).
(2) Disconnect wiring harness at switch connector.
(3) Using a ohmmeter, test for continuity between
the terminals of the switch (Fig. 2).
(4) If results shown in the table are not obtained,
replace the switch.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove instrument panel lower cover.
(3) From behind headlamp switch assembly,
depress retaining tabs and push switch from instru-
ment panel.
(4) Disconnect wire connector from power mirror
switch.
(5) Disengage lock tabs above and below the mir-
ror switch.
(6) Remove power mirror switch from headlamp
switch bezel.
INSTALLATION
(1) Install power mirror switch to the headlamp
switch bezel.
(2) Connect wire connector to the power mirror
switch.
(3) Insert headlamp switch assembly into instru-
ment panel.
(4) Install instrument panel lower cover.
(5) Connect battery negative cable.
SIDEVIEW MIRROR
REMOVAL
For service procedures, (Refer to 23 - BODY/EXTE-
RIOR/SIDE VIEW MIRROR - REMOVAL).
Fig. 2 Mirror Switch Test
MIRROR SWITCH CONTINUITY
MIRROR SELECT SWITCH IN ªLEFTº POSITION
Move Button Continuity Between
UP PIN 9 - PIN 12,
PIN 6 - PIN 11,
PIN 9 - PIN 13
LEFT PIN 9 - PIN 7,
PIN 6 - PIN 11,
PIN 9 - PIN 8
DOWN PIN 9 - PIN 6,
PIN 12 - PIN 11,
PIN 13 - PIN 11
RIGHT PIN 9 - PIN 6,
PIN 7 - PIN 11,
PIN 8 - PIN 11
MIRROR SELECT SWITCH IN ªRIGHTº POSITION
Move Button Continuity Between
UP PIN 9 - PIN 13,
PIN 1 - PIN 11,
PIN 9 - PIN 12
LEFT PIN 9 - PIN 8,
PIN 1 - PIN 11,
PIN 9 - PIN 7
DOWN PIN 9 - PIN 1,
PIN 13 - PIN 11,
PIN 12 - PIN 11
RIGHT PIN 9 - PIN 1,
PIN 8 - PIN 11,
PIN 7 - PIN 11
LAMP PIN5-PIN11
8N - 48 POWER MIRRORSRS

A eight-way power seat is standard on highline
models and optional on others. This option includes a
six-way adjustable seat cushion track and a two-way
power seat back.
The eight-way power seat is also available with the
heated seat and memory seat system that automati-
cally positions the power seat for two different driv-
ers. Refer toHeated Seat Systemfor more
information on the heated seat option. Refer toMem-
ory Systemin the Memory System section of this
group for more information on the memory system.
The power seat system includes the following com-
ponents:
²Power seat recliner
²Power seat switch
²Power seat track.
The power seat system with memory and heated
seat options includes the following components:
²Power seat recliner
²Power seat switch
²Power seat track.
²Memory Heated Seat Module (MHSM)
²Memory set switch
²Heated seat switch
²Electronic Vehicle Information Center (EVIC)
²Programmable Communications Interface (PCI)
data bus network
Refer to Wiring Diagrams for complete circuit dia-
grams. Following are general descriptions and opera-
tions for the major components in the power seat
system and memory seat system.
DESCRIPTION - MEMORY SEAT SYSTEM
An electronic memory and heated seat system is
available on some models. The memory system is
able to store and recall the driver side power seat
positions (including the power recliner position), and
both outside power mirror positions for two drivers.
For vehicles with a radio and heated / memory seat
system connected to the Programmable Communica-
tions Interface (PCI) data bus network, the memory
system is also able to store and recall radio station
presets for two drivers. The memory system also will
store and recall the last station listened to for each
driver, even if it is not one of the preset stations.
The memory system will automatically return to
all of these settings when the corresponding num-
bered and button of the memory switch on the driver
side seat side shield is depressed, or when the doors
are unlocked using the Remote Keyless Entry (RKE)
transmitter. A customer programmable feature of the
memory system allows the RKE recall of memory fea-
tures to be disabled in cases where there are more
than two drivers of the vehicle.
A Memory Heated Seat Module (MHSM) is used on
some models to control and integrate the many elec-tronic functions and features included in the memory
/ heated seat system.
The memory system includes the following compo-
nents:
²Heated seat switch
²Memory heated seat module (MHSM)
²Memory switch
²Position potentiometers on both outside power
mirrors
²Position potentiometers on the driver side power
seat track and power seat recliner motors.
²Radio receiver (if PCI data bus capable).
Certain functions and features of the memory system
rely upon resources shared with other electronic mod-
ules in the vehicle over the Programmable Communica-
tions Interface (PCI) J1850 data bus network. The PCI
data bus network allows the sharing of sensor informa-
tion. This helps to reduce wire harness complexity,
internal controller hardware, and component sensor cur-
rent loads. At the same time, this system provides
increased reliability, enhanced diagnostics, and allows
the addition of many new feature capabilities. For diag-
nosis of these electronic modules or of the PCI data bus
network, the use of a DRBtscan tool and the proper
Diagnostic Procedures manual are recommended.
The other electronic modules that may affect mem-
ory system operation are as follows:
²Body Control Module (BCM)- Refer toBody
Control Modulein Electronic Control Modules for
more information.
²
Electronic Vehicle Information Center (EVIC)
- Refer toElectronic Vehicle Information Center
in Overhead Console Systems for more information.
²Powertrain Control Module (PCM)- Refer to
Powertrain Control Modulein Electronic Control
Modules for more information.
²Radio Receiver- Refer toRadio Receiverin
Audio Systems for more information.
Refer toHeated Seat Systemfor more informa-
tion on the heated seat system. Refer toRemote
Keyless Entry Systemin Power Lock Systems for
more information on the RKE system. Refer to
Power Mirrorin Power Mirrors for more informa-
tion on the mirror position potentiometers. Refer to
Power Seat TrackandPower Seat Reclinerin
the Power Seat System section of this group for more
information on the driver side power seat position
potentiometers.
Refer toPower Seatin the Contents of Wiring
Diagrams for complete circuit diagrams. Following
are general descriptions of the remaining major com-
ponents in the factory-installed memory system.
OPERATION - POWER SEAT SYSTEM
The power seat system allows the driver and/or
front passenger seating positions to be adjusted elec-
8N - 50 POWER SEATSRS
POWER SEATS (Continued)

trically and independently using the separate power
seat switches found on the outboard seat cushion
side shield of each front seat. See the owner's manual
in the vehicle glove box for more information on the
features, use and operation of the power seat system.
OPERATION - MEMORY SYSTEM
The Memory Seat/Mirror Module (MSMM) will
drive a maximum of 2 motors at a time in a given
direction. If conflicting directions are requested, the
priority for response will be as follows:
²Seat Track Rearward
²Seat Front Down
²Seat Rear Down
²Recliner Rearward
²Seat Track Forward
²Seat Front Up
²Seat Rear Up
²Recliner Forward
The inputs from these switches to the MSMM is a
current limited battery source fed by the MSMM.
This protects the MSMM printed circuit board traces
from acting as fuses. All of these switch contact
inputs to the MSMM are normally closed to ground,
except when actuated.
Soft stops are incorporated to prevent the motor
from being driven into a stall. Should the seat have
restricted travel, refer to Resetting Soft Stops in this
section.
See the owner's manual in the vehicle glove box for
more information on the features, use and operation
of the memory system. For diagnosis of the MSM, the
PCI data bus, or the other electronic modules on the
PCI data bus that provide inputs and outputs for the
memory system, the use of a DRBtscan tool and the
proper Diagnostic Procedures manual are recom-
mended.
ELECTRONIC VEHICLE INFORMATION CENTER
The Electronic Vehicle Information Center (EVIC)
serves as the user interface for the memory system.
It displays memory system status messages and pro-
vides the user with the means for enabling and dis-
abling the many customer programmable features
available on the vehicle, including those for the mem-
ory system.
See the owner's manual in the vehicle glove box for
more information on the features, use and operation
of the EVIC. Refer toElectronic Vehicle Informa-
tion Centerin Overhead Console Systems for more
information on the EVIC.
DIAGNOSIS AND TESTING - POWER SEAT
SYSTEM
Following are tests that will help to diagnose the
hard wired components and circuits of the power seatsystem. However, if the vehicle is also equipped with
the optional memory system, these tests may not
prove conclusive in the diagnosis of the driver side
power seat. In order to obtain conclusive testing of
the driver side power seat with the memory system
option, the Programmable Communications Interface
(PCI) data bus network and all of the electronic mod-
ules that provide inputs to, or receive outputs from
the memory system components must be checked.
The most reliable, efficient, and accurate means to
diagnose the driver side power seat with the memory
system option requires the use of a DRBtscan tool
and the proper Diagnostic Procedures manual. The
DRBtscan tool can provide confirmation that the
PCI data bus is functional, that all of the electronic
modules are sending and receiving the proper mes-
sages on the PCI data bus, and that the memory sys-
tem is receiving the proper hard wired inputs and
relaying the proper hard wired outputs to perform its
driver side power seat functions.
WARNING: SOME VEHICLES ARE EQUIPPED WITH
SEATBACK MOUNTED AIRBAGS (Fig. 1). BEFORE
ATTEMPTING TO DIAGNOSE OR SERVICE ANY
SEAT OR POWER SEAT SYSTEM COMPONENT
YOU MUST FIRST DISCONNECT AND ISOLATE THE
BATTERY NEGATIVE CABLE. THEN WAIT TWO MIN-
UTES FOR THE SYSTEM CAPACITOR TO DIS-
CHARGE BEFORE FURTHER SYSTEM SERVICE.
THIS IS THE ONLY SURE WAY TO DISABLE THE
AIRBAG SYSTEM. FAILURE TO DO SO COULD
RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.
Before any testing of the power seat system is
attempted, the battery should be fully-charged and
all of the power seat system wire harness connections
and pins cleaned and tightened to ensure proper cir-
cuit continuity and ground paths. For complete cir-
cuit diagrams, refer toPower Seatin Wiring
Diagrams.
With the dome lamp on, apply the power seat
switch in the direction of the failure. If the dome
lamp dims, the seat may be jamming. Check under
and behind the seat for binding or obstructions. If
the dome lamp does not dim, proceed with testing of
the individual components and circuits.
DIAGNOSIS AND TESTING - MEMORY SYSTEM
CHECK AND RESET SOFT STOPS
To check and reset the power memory seat soft
stops, use the power seat control switches to move
the seat in one direction to the end of travel, allow a
couple of seconds before re-energizing the seat in the
same direction until it stops and for three additional
seconds after it stops. (The amount the seat moved
RSPOWER SEATS8N-51
POWER SEATS (Continued)

upon the second energizing is the amount the soft
stops have been reprogrammed.
Repeat this procedure for each direction of seat
movement (One at a time).
NOTE: Checking and resetting of the power mem-
ory seat soft stops will not affect the customer's
programmed positions.
DIAGNOSIS AND TESTING MEMORY SYSTEM
In order to obtain conclusive testing of the memory
system, the Programmable Communications Interface
(PCI) data bus network and all of the electronic mod-
ules that provide inputs to, or receive outputs from
the memory system components must be checked.
The most reliable, efficient, and accurate means to
diagnose the memory system requires the use of a
DRB IIItscan tool and the proper Diagnostic Proce-
dures manual. The DRB IIItscan tool can provide
confirmation that the PCI data bus is functional, that
all of the electronic modules are sending and receiv-
ing the proper messages on the PCI data bus, and
that the memory system is receiving the proper hard
wired inputs and relaying the proper hard wired out-
puts to perform its functions.
Following are diagnostic routines that are built
into the module which can be performed without the
use of a diagnostic scan tool. Refer to Wiring Dia-
grams for complete circuit schematic or connector
pin-out information.
DIAGNOSTIC MODE 1
Diagnostic Mode 1 clears soft limits and sets mem-
ory selector switches (1 and 2) to predetermined val-
ues.
ACTIVATION-Press and hold the S and 1 buttons
for 5 seconds to enter diagnostic mode 1. This mode
is exited at the completion of the mode 1 tasks or
upon grounding the DATA G87 circuit input to the
module.
Mode 1 will:
²Clear all soft limits to their default hard limit
values
²Load memory 1 with default settings corre-
sponding to horizontal rearward, front down, rear
down, and recliner rearward positions
²Load memory 2 with default settings corre-
sponding to horizontal forward, front up, rear up,
and recliner forward positions
DIAGNOSTIC MODE 2
Diagnostic mode 2 provides a way to determine if
the seat/mirror motors and position sensors are con-
nected properly.
ACTIVATION-Press and hold the S and 2 buttons
for 5 seconds to enter diagnostic mode 2. This modeis exited after 5 seconds of switch inactivity or upon
grounding the DATA G87 circuit input by moving the
transmission out of the PARK position.
Mode 2 will:
²Place the seat and mirror motors at their mid-
point
²When a single axis of seat or mirror motion is
requested by pressing a switch, the corresponding
motor is energized. This tests switch input and motor
output
DRIVER SEAT SWITCH
DESCRIPTION
Vehicles equipped with power seats utilize a eight-
way power seat switch. This eight-way power seat
switch features two knobs ganged together on the
outboard seat cushion side shield (Fig. 2).
The switch is secured to the back of the seat cush-
ion side shield with two screws. However, the control
knobs for the seat switch unit must be removed
before the seat switch can be removed from the side
shield.
The power seat switch cannot be repaired. If one
switch is damaged or faulty, the entire power seat
switch unit must be replaced.
OPERATION
The power seat tracks can be adjusted in eight dif-
ferent ways using the power seat switches. See the
owner's manual in the vehicle glove box for more
information on the power seat switch functions and
the seat adjusting procedures.
When a power seat switch control knob or knobs
are actuated, a battery feed and a ground path are
applied through the switch contacts to the power seat
track or recliner adjuster motor. The selected
adjuster motor operates to move the seat track or
recliner through its drive unit in the selected direc-
tion until the switch is released, or until the travel
Fig. 2 Power Seat Switch - Typical
8N - 52 POWER SEATSRS
POWER SEATS (Continued)

(7) Remove the power seat switch from the out-
board seat cushion side shield.
INSTALLATION
(1) Position the power seat switch onto the out-
board seat cushion side shield.
(2) Install and tighten the screws that secure the
power seat switch to the inside of the outboard seat
cushion side shield. Tighten the screws to 1.5 N´m
(14 in. lbs.).
(3) Reconnect the power seat wire harness connec-
tor to the power seat switch connector receptacle.
(4) Position the outboard seat cushion side shield
onto the seat cushion frame
(5) Install and tighten the screws that secure the
outboard seat cushion side shield to the seat cushion
frame. Tighten the screws to 1.5 N´m (14 in. lbs.).
(6) Reconnect the battery negative cable.
MEMORY SET SWITCH
DESCRIPTION
Vehicles equipped with the memory system have a
memory switch mounted to the driver side front door
trim panel. This switch is used to set and recall all of
the memory system settings for up to two drivers.
The memory switch is a resistor multiplexed unit
that is hard wired to the Body Control Module
(BCM). The BCM sends out the memory system set
and recall requests to the other electronic modules
over the Programmable Communications Interface
(PCI) data bus.
The memory switch cannot be adjusted or repaired
and, if faulty or damaged, it must be replaced. For
complete circuit diagrams, refer toWiring Dia-
grams.
OPERATION
The memory switch has three momentary switch
buttons labeled Set, 1 and 2. The Driver 1 and Driver
2 buttons are back-lit with Light-Emitting Diodes
(LED) for visibility, and are also color-coded to coin-
cide with the color-coded Driver 1 and Driver 2
Remote Keyless Entry (RKE) transmitters. The
Driver 1 memory switch button and RKE transmitter
are black, and the Driver 2 memory switch button
and RKE transmitter are gray. The memory switch
Set button also has an LED that will illuminate and
flash to indicate that the memory system is in the set
mode. This LED will automatically be extinguished
when a set request has been successfully completed.
See the owner's manual in the vehicle glove box for
more information on the features, use and operation
of the memory switch.
DIAGNOSIS AND TESTING - MEMORY SWITCH
For complete circuit diagrams, refer toWiring
Diagrams.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the driver side front door trim panel
switch bezel. Using a small thin bladed pry tool, gen-
tly pry the switch bezel away from the door trim
panel.
(3) Disconnect the memory switch wire harness
connector from the memory switch.
(4) Use an ohmmeter to test the resistances of the
memory switch in each switch position. See the Mem-
ory Switch Test chart. If OK, refer toMemory Sys-
temin the Diagnosis and Testing section of this
group. If not OK, replace the faulty memory switch.
MEMORY SWITCH TEST
MEMORY
SWITCH
POSITIONRESISTANCE
BETWEEN
PINSRESISTANCE
RANGE
(OHMS)
NEUTRAL 1&2 24560   1%
(24.56 k)
MEMORY 1 1&2 6830   1%
(6.83 k)
MEMORY 2 1&2 2090   1%
(2.09 k)
SET 1&2 4490   1%
(4.49 k)
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the front door trim panel switch bezel
from the driver side front door. Using a thin flat-
bladed pry tool, gently pry the switch bezel away
from the drivers door trim panel.
(3) Disconnect the memory switch wire harness
connector from the memory switch.
(4) Remove the two screws that secure the memory
switch to the back of the driver side front door trim
panel switch bezel.
(5) Remove the memory switch.
INSTALLATION
(1)Position the memory switch and install and
tighten the two screws that secure the memory switch
to the back of the driver side front door trim panel
switch bezel. Tighten the screws to 2.2 N´m (20 in. lbs.).
(2) Reconnect the memory switch wire harness
connector to the memory switch.
(3) Install the trim panel switch bezel onto the
driver side front door.
(4) Reconnect the battery negative cable.
8N - 54 POWER SEATSRS
DRIVER SEAT SWITCH (Continued)

DIAGNOSIS AND TESTING - POWER SEAT
RECLINER
Following are tests that will help to diagnose the
hard wired components and circuits of the power seat
system. However, if the vehicle is also equipped with
the optional memory system, these tests may not
prove conclusive in the diagnosis of the driver side
power seat. In order to obtain conclusive testing of
the driver side power seat with the memory system
option, the Programmable Communications Interface
(PCI) data bus network and all of the electronic mod-
ules that provide inputs to, or receive outputs from
the memory system components must be checked.The most reliable, efficient, and accurate means to
diagnose the driver side power seat with the memory
system option requires the use of a DRBtscan tool
and the proper Diagnostic Procedures manual. The
DRBtscan tool can provide confirmation that the
PCI data bus is functional, that all of the electronic
modules are sending and receiving the proper mes-
sages on the PCI data bus, and that the memory sys-
tem is receiving the proper hard wired inputs and
relaying the proper hard wired outputs to perform its
driver side power seat functions.
Actuate the power seat recliner switch to move the
power seat recliner adjuster in each direction. The
power seat recliner adjuster should move in both
directions. If the power seat recliner adjuster fails to
operate in only one direction, move the adjuster a
short distance in the opposite direction and test
again to be certain that the adjuster is not at its
travel limit. If the power seat recliner adjuster still
fails to operate in only one direction, refer toPower
Seat Switchin the Diagnosis and Testing section of
this group. If the power recliner adjuster fails to
operate in either direction, perform the following
tests. For complete circuit diagrams, refer toPower
Seatin Wiring Diagrams.
(1) Check the power seat circuit breaker under the
seat. If OK, go to Step 2. If not OK, replace the
faulty power seat circuit breaker.
(2) Check for battery voltage at the power seat cir-
cuit breaker under the seat. If OK, go to Step 3. If
not OK, repair the open fused B(+) circuit to the fuse
in the Intelligent Power Module as required.
(3) Remove the outboard seat cushion side shield
from the seat. Disconnect the seat wire harness con-
nector from the power seat switch connector recepta-
cle. Check for battery voltage at the fused B(+)
circuit cavity of the power seat wire harness connec-
tor for the power seat switch. If OK, go to Step 4. If
not OK, repair the open fused B(+) circuit to the
power seat circuit breaker under the seat as
required.
(4) Check for continuity between the ground cir-
cuit cavity of the power seat wire harness connector
for the power seat switch and a good ground. There
should be continuity. If OK, go to Step 5. If not OK,
repair the open ground circuit to ground as required.
(5) Test the power seat switch. Refer toPower
Seat Switchin the Diagnosis and Testing section of
this group. If the switch tests OK, test the circuits of
the power seat wire harness between the power seat
recliner adjuster motor and the power seat switch for
shorts or opens. If the circuits check OK, replace the
faulty power seat recliner unit. If the circuits are not
OK, repair the power seat wire harness as required.
Fig. 8 Power Seat Recliner and Track - Typical
1 - SEAT BACK FRAME
2 - SEAT CUSHION PAD
3 - POWER RECLINER
4 - SEAT CUSHION FRAME
5 - SHIELD
6 - POWER SEAT TRACK ADJUSTER
RSPOWER SEATS8N-57
RECLINER MOTOR (Continued)

fails to operate in more than one direction, perform
the following tests. For complete circuit diagrams,
refer toPower Seatin Wiring Diagrams.
(1) Check the power seat circuit breaker under the
seat. If OK, go to Step 2. If not OK, replace the
faulty power seat circuit breaker.
(2) Check for battery voltage at the power seat cir-
cuit breaker under the seat. If OK, go to Step 3. If
not OK, repair the open fused B(+) circuit to the fuse
in the Intelligent Power Module as required.
(3) Remove the outboard seat cushion side shield
from the seat. Disconnect the seat wire harness con-
nector from the power seat switch connector recepta-
cle. Check for battery voltage at the fused B(+)
circuit cavity of the power seat wire harness connec-
tor for the power seat switch. If OK, go to Step 4. If
not OK, repair the open fused B(+) circuit to the
power seat circuit breaker under the seat as
required.
(4) Check for continuity between the ground cir-
cuit cavity of the power seat wire harness connector
for the power seat switch and a good ground. There
should be continuity. If OK, go to Step 5. If not OK,
repair the open ground circuit to ground as required.
(5) Test the power seat switch. Refer toPower
Seat Switchin the Diagnosis and Testing section of
this group. If the switch tests OK, test the circuits of
the power seat wire harness between the inoperative
power seat track adjuster motor and the power seat
switch for shorts or opens. If the circuits check OK,
replace the faulty power seat track unit. If the cir-
cuits are not OK, repair the power seat wire harness
as required.
REMOVAL
WARNING: SOME VEHICLES ARE EQUIPPED WITH
SEATBACK MOUNTED AIRBAGS. BEFORE
ATTEMPTING TO DIAGNOSE OR SERVICE ANY
SEAT OR POWER SEAT SYSTEM COMPONENT
YOU MUST FIRST DISCONNECT AND ISOLATE THE
BATTERY NEGATIVE CABLE. THEN WAIT TWO MIN-
UTES FOR THE SYSTEM CAPACITOR TO DIS-
CHARGE BEFORE FURTHER SYSTEM SERVICE.
THIS IS THE ONLY SURE WAY TO DISABLE THE
AIRBAG SYSTEM. FAILURE TO DO SO COULD
RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.(1) Remove the appropriate seat from the vehicle.
Refer to Body for the procedure.
(2) Remove two seat back mounting bolts and also
remove two seat back recliner bolts (Fig. 10).
(3) Remove four seat track mounting bolts from
cushion pan.
(4) Remove the seat track from seat.
INSTALLATION
(1) Position the seat track and install the retaining
bolts in the seat cushion pan. Torque the bolts to
45-60 N´m.
(2) Install the two seat back mounting bolts.
Torque the bolts to 45-60 N´m.
(3) Install the two seat back recliner bolts. Torque
the bolts to 45-60 N´m.
(4) Install the seat in the vehicle. Refer to the
Body section of the service manual for the procedure.
Fig. 10 Seat Adjuster Removal
1 - TRACK TO SEAT CUSHION BOLTS
2 - FRONT
3 - SEAT BACK RECLINER BOLTS
4-VIEWED FROM TOP OF TRACK
RSPOWER SEATS8N-59
POWER SEAT TRACK (Continued)