manual radio set CHRYSLER CARAVAN 2003 Service Manual

CONDITION POSSIBLE CAUSE CORRECTION
NO MEMORY. 1. FUSE FAULTY. 1. CHECK IGNITION-OFF DRAW FUSE. REPLACE FUSE, IF
REQUIRED.
2. RADIO CONNECTOR
FAULTY.2. CHECK FOR LOOSE OR CORRODED RADIO CONNECTOR.
REPAIR, IF REQUIRED.
3. WIRING FAULTY. 3. CHECK FOR BATTERY VOLTAGE AT RADIO CONNECTOR.
REPAIR WIRING, IF REQUIRED.
4. GROUND FAULTY. 4. CHECK FOR CONTINUITY BETWEEN RADIO CHASSIS AND
A KNOWN GOOD GROUND. THERE SHOULD BE
CONTINUITY. REPAIR GROUND, IF REQUIRED.
5. RADIO FAULTY. 5. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
POOR RADIO
RECEPTION.1. ANTENNA OR CABLE
FAULTY.1. SEE ANTENNA DIAGNOSIS, IN THIS GROUP. REPAIR OR
REPLACE ANTENNA, IF REQUIRED.
2. GROUND FAULTY. 2. CHECK FOR CONTINUITY BETWEEN RADIO CHASSIS AND
A KNOWN GOOD GROUND. THERE SHOULD BE
CONTINUITY. REPAIR GROUND, IF REQUIRED.
3. RADIO FAULTY. 3. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
4. POOR ANTENNA
CONNECTION AT
RADIO OR IN LINE.4. SEAT CONNECTOR.
NO/POOR TAPE
OPERATION.1. FAULTY TAPE. 1. INSERT KNOWN GOOD TAPE AND TEST OPERATION.
2. FOREIGN OBJECTS
BEHIND TAPE DOOR.2. REMOVE FOREIGN OBJECTS AND TEST OPERATION.
3. DIRTY CASSETTE
TAPE HEAD.3. CLEAN HEAD WITH MOPAR CASSETTE HEAD CLEANER.
4. FAULTY TAPE DECK. 4. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
NO COMPACT
DISC
OPERATION1. FAULTY CD. 1. INSERT KNOWN GOOD CD AND TEST OPERATION.
2. FOREIGN MATERIAL
ON CD.2. CLEAN CD AND TEST OPERATION.
3. CONDENSATION ON
CD OR OPTICS.3. ALLOW TEMPERATURE OF VEHICLE INTERIOR TO
STABILIZE AND TEST OPERATION.
4. FAULTY CD PLAYER. 4. EXCHANGE OR REPLACE RADIO, IF REQUIRED.
RSAUDIO8A-3
AUDIO/VIDEO (Continued)
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grid can be repaired using a Mopar Rear Window
Defogger Repair Kit (Part Number 4267922) or
equivalent. (Refer to 8 - ELECTRICAL/HEATED
GLASS/WINDSHIELD GRID - STANDARD PROCE-
DURE).
RADIO
DESCRIPTION
Available factory-installed radio receivers for this
model include:
²AM/FM/cassette/CD (RAZ sales code)
²AM/FM/CD with CD changer control (RBK sales
code)
²AM/FM/cassette with CD changer control fea-
ture (RBB sales code)
²AM/FM/cassette/CD with rear audio (RBU sales
code)
All factory-installed radio receivers can communi-
cate on the Programmable Communications Interface
(PCI) data bus network. All factory-installed receiv-
ers are stereo Electronically Tuned Radios (ETR) and
include an electronic digital clock function.
These radio receivers can only be serviced by an
authorized radio repair station. See the latest War-
ranty Policies and Procedures manual for a current
listing of authorized radio repair stations.
OPERATION
The radio receiver operates on ignition switched
battery current that is available only when the igni-
tion switch is in the On or Accessory/Accessory Delay
positions. The electronic digital clock function of the
radio operates on fused battery current supplied
through the IOD fuse, regardless of the ignition
switch position.
For more information on the features, setting pro-
cedures, and control functions for each of the avail-
able factory-installed radio receivers, refer to the
owner's manual. For complete circuit diagrams, refer
to the appropriate wiring information. The wiring
information includes wiring diagrams, proper wire
and connector repair procedures, details of wire har-
ness routing and retention, connector pin-out infor-
mation and location views for the various wire
harness connectors, splices and grounds.
DIAGNOSIS AND TESTING - RADIO
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO ELECTRICAL, RESTRAINTS
BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, OR INSTRUMENT PANEL
COMPONENT DIAGNOSIS OR SERVICE. FAILURE
TO TAKE THE PROPER PRECAUTIONS COULDRESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.
Any diagnosis of the Audio system should
begin with the use of the DRB IIItdiagnostic
tool. For information on the use of the DRB
IIIt, refer to the appropriate Diagnostic Service
Manual.
Refer to the appropriate wiring information. The
wiring information includes wiring diagrams, proper
wire and connector repair procedures, details of wire
harness routing and retention, connector pin-out
information and location views for the various wire
harness connectors, splices and grounds.
If the vehicle is equipped with remote radio
switches located on the back of the steering wheel
spokes, and the problem being diagnosed is related to
one of the symptoms listed below, be certain to check
the remote radio switches and circuits as described
in this group, prior to attempting radio diagnosis or
repair.
²Stations changing with no remote radio switch
input
²Radio memory presets not working properly
²Volume changes with no remote radio switch
input
²Remote radio switch buttons taking on other
functions
²CD player skipping tracks
²Remote radio switch inoperative.
CAUTION: The speaker output of the radio is a
ªfloating groundº system. Do not allow any speaker
lead to short to ground, as damage to the radio
may result.
(1) Check the fuse(s) in the junction block and the
Integrated Power Module (IPM). If OK, go to Step 2.
If not OK, repair the shorted circuit or component as
required and replace the faulty fuse(s).
(2) Check for battery voltage at the fuse in the
(IPM). If OK, go to Step 3. If not OK, repair the open
circuit to the battery as required.
(3) Turn the ignition switch to the ON position.
Check for battery voltage at the fuse in the junction
block. If OK, go to Step 4. If not OK, repair the open
circuit to the ignition switch as required.
(4) Turn the ignition switch to the OFF position.
Remove the radio, but do not unplug the wire har-
ness connectors. Check for continuity between the
radio chassis and a good ground. There should be
continuity. If OK, go to Step 5. If not OK, repair the
open radio chassis ground circuit as required.
(5) Connect the battery negative cable. Turn the
ignition switch to the ON position. Check for battery
voltage at the fused ignition switch output circuit
cavity of the radio wire harness connector. If OK, go
8A - 10 AUDIORS
QUARTER GLASS INTEGRAL ANTENNA - EXPORT (Continued)
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motors, and fuel pumps that have been found to be
potential sources of RFI or EMI.
OPERATION
There are two common strategies that can be used
to suppress Radio Frequency Interference (RFI) and
ElectroMagnetic Interference (EMI) radio noise. The
first suppression strategy involves preventing the
production of RFI and EMI electromagnetic signals
at their sources. The second suppression strategy
involves preventing the reception of RFI and EMI
electromagnetic signals by the audio system compo-
nents.
The use of braided ground straps in key locations
is part of the RFI and EMI prevention strategy.
These ground straps ensure adequate ground paths,
particularly for high current components such as
many of those found in the starting, charging, igni-
tion, engine control and transmission control sys-
tems. An insufficient ground path for any of these
high current components may result in radio noise
caused by induced voltages created as the high cur-
rent seeks alternative ground paths through compo-
nents or circuits intended for use by, or in close
proximity to the audio system components or circuits.
Preventing the reception of RFI and EMI is accom-
plished by ensuring that the audio system compo-
nents are correctly installed in the vehicle. Loose,
corroded or improperly soldered wire harness connec-
tions, improperly routed wiring and inadequate audio
system component grounding can all contribute to
the reception of RFI and EMI. A properly grounded
antenna body and radio chassis, as well as a shielded
antenna coaxial cable with clean and tight connec-
tions will each help reduce the potential for reception
of RFI and EMI.
REMOTE SWITCHES
DESCRIPTION
A remote radio control switch option is available on
some models. Two rocker-type switches are mounted
on the back (instrument panel side) of the steering
wheel spokes (Fig. 12). The switch on the left spoke
is the seek switch and has seek up, seek down, and
preset station advance functions. The switch on the
right spoke is the volume control switch and has vol-
ume up, and volume down functions. The switch on
the right spoke also includes a ªmodeº control that
allows the driver to sequentially select AM radio, FM
radio, cassette player, CD player or CD changer (if
equipped).
OPERATION
These switches are resistor multiplexed units that
are hard-wired to the Body Control Module (BCM)
through the clockspring. The BCM sends the proper
messages on the Programmable Communications
Interface (PCI) data bus network to the radio
receiver. For diagnosis of the BCM or the PCI data
bus, the use of a DRB IIItscan tool and the proper
Diagnostic Procedures manual are recommended. For
more information on the operation of the remote
radio switch controls, refer to the owner's manual in
the vehicle glove box.
DIAGNOSIS AND TESTING - REMOTE
SWITCHES
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO ELECTRICAL, RESTRAINTS
BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, OR INSTRUMENT PANEL
COMPONENT DIAGNOSIS OR SERVICE. FAILURE
TO TAKE THE PROPER PRECAUTIONS COULD
RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.
Any diagnosis of the Audio system should
begin with the use of the DRB IIItdiagnostic
tool. For information on the use of the DRB
IIIt, refer to the appropriate Diagnostic Service
Manual.
Refer to the appropriate wiring information. The
wiring information includes wiring diagrams, proper
wire and connector repair procedures, details of wire
Fig. 12 Remote Radio Switch Operational View
1 - PRESET SEEK
2 - SEEK UP
3 - VOLUME UP
4 - MODE
5 - VOLUME DOWN
6 - SEEK DOWN
8A - 12 AUDIORS
RADIO NOISE SUPPRESSION COMPONENTS (Continued)
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harness routing and retention, connector pin-out
information and location views for the various wire
harness connectors, splices and grounds.
(1) Disconnect and isolate the battery negative
cable. Wait two minutes for the airbag system capac-
itor to discharge before further service.
(2) Remove the remote radio switch(es) from the
steering wheel (Fig. 13). (Refer to 8 - ELECTRICAL/
AUDIO/REMOTE SWITCHES - REMOVAL).
(3) Use an ohmmeter to check the switch resis-
tance as shown in the Remote Radio Switch Test
table.
REMOTE RADIO SWITCH TEST
Switch Switch Position Resistance
Right
(White)Volume Up 1.210 Kilohms
Right
(White)Volume Down 3.010 Kilohms
Right
(White)Mode Advance 0.0511 Kilohms
Left
(Black)Seek Up 0.261 Kilohms
Left
(Black)Seek Down 0.681 Kilohms
Left
(Black)Pre-Set Station
Advance0.162 Kilohms
NOTE: The right remote radio switch back is white
in color. The left switch back is black in color. The
right/left remote radio switch orientation is with the
steering wheel installed, and driver in drivers seat.(4) If the switch resistance checks OK, go to Step
5. If not OK, replace the faulty switch.
(5) Check for continuity between the ground cir-
cuit cavity of the switch wire harness connector and
a good ground. There should be continuity. If OK, go
to Step 6. If not OK, repair the open circuit as
required.
(6) Unplug the 24-way white wire harness connec-
tor from the Body Control Module (BCM). Check for
continuity between the radio control circuit cavity of
the remote radio switch wire harness connector and a
good ground. There should be no continuity. If OK, go
to Step 7. If not OK, repair the short circuit as
required.
(7) Check for continuity between the radio control
circuit cavities of the remote radio switch wire har-
ness connector and the BCM wire harness connector.
There should be continuity. If OK, refer to the proper
Diagnostic Procedures manual to test the BCM and
the PCI data bus. If not OK, repair the open circuit
as required.
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO ELECTRICAL, RESTRAINTS
BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, OR INSTRUMENT PANEL
COMPONENT DIAGNOSIS OR SERVICE. FAILURE
TO TAKE THE PROPER PRECAUTIONS COULD
RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND POSSIBLE PERSONAL INJURY.
(1) Disconnect and isolate the battery negative
cable. Wait two minutes for the airbag system capac-
itor to discharge before further service.
(2) Remove the driver side airbag module from the
vehicle. Refer to ELECTRICAL/RESTRAINTS/
DRIVER AIR BAG.
(3) Remove the steering wheel from the steering
column. Refer to STEERING/COLUMN/STEERING
WHEEL.
(4) Unplug the wire harness connector from the
remote radio switch (s).
(5) Remove three screws securing steering wheel
rear cover.
(6) Remove the remote radio switch from the steer-
ing wheel by depressing tabs on each side of each
switch.
NOTE: The right remote radio switch back is white
in color. The left switch back is black in color. The
right/left remote radio switch orientation is with the
steering wheel installed, and driver in drivers seat.
Fig. 13 REMOTE RADIO SWITCHES
1 - BLACK (LEFT) SWITCH
2 - WHITE (RIGHT) SWITCH
RSAUDIO8A-13
REMOTE SWITCHES (Continued)
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CONVENTIONAL BATTERY CHARGING TIME TABLE
Charging
Amperage5 Amps10
Amps20 Amps
Open Circuit
VoltageHours Charging @ 21É C
(70É F)
12.25 to 12.49 6 hours 3 hours 1.5
hours
12.00 to 12.24 10 hours 5 hours 2.5
hours
10.00 to 11.99 14 hours 7 hours 3.5
hours
Below 10.00 18 hours 9 hours 4.5
hours
STANDARD PROCEDURE - OPEN-CIRCUIT
VOLTAGE TEST
A battery open-circuit voltage (no load) test will
show the approximate state-of-charge of a battery.
This test can be used if no other battery tester is
available.
Before proceeding with this test, completely charge
the battery. Refer to Standard Procedures for the
proper battery charging procedures.
(1) Before measuring the open-circuit voltage, the
surface charge must be removed from the battery.
Turn on the headlamps for fifteen seconds, then
allow up to five minutes for the battery voltage to
stabilize.
(2) Disconnect and isolate both battery cables, neg-
ative cable first.
(3) Using a voltmeter connected to the battery
posts (see the instructions provided by the manufac-
turer of the voltmeter), measure the open-circuit volt-
age (Fig. 9).
See the Open-Circuit Voltage Table. This voltage
reading will indicate the battery state-of-charge, but
will not reveal its cranking capacity. If a battery has
an open-circuit voltage reading of 12.4 volts orgreater, it may be load tested to reveal its cranking
capacity. Refer to Standard Procedures for the proper
battery load test procedures.
OPEN CIRCUIT VOLTAGE TABLE
Open Circuit Voltage Charge Percentage
11.7 volts or less 0%
12.0 volts 25%
12.2 volts 50%
12.45 volts 75%
12.65 volts or more 100%
STANDARD PROCEDURE - IGNITION-OFF
DRAW TEST
The term Ignition-Off Draw (IOD) identifies a nor-
mal condition where power is being drained from the
battery with the ignition switch in the Off position. A
normal vehicle electrical system will draw from fif-
teen to twenty-five milliamperes (0.015 to 0.025
ampere) with the ignition switch in the Off position,
and all non-ignition controlled circuits in proper
working order. Up to twenty-five milliamperes are
needed to enable the memory functions for the Pow-
ertrain Control Module (PCM), digital clock, electron-
ically tuned radio, and other modules which may
vary with the vehicle equipment.
A vehicle that has not been operated for approxi-
mately twenty-one days, may discharge the battery
to an inadequate level. When a vehicle will not be
used for twenty-one days or more (stored), remove
the IOD fuse from the Integrated Power Module
(IPM). This will reduce battery discharging.
Excessive IOD can be caused by:
²Electrical items left on.
²Faulty or improperly adjusted switches.
²Faulty or shorted electronic modules and compo-
nents.
²An internally shorted generator.
²Intermittent shorts in the wiring.
If the IOD is over twenty-five milliamperes, the
problem must be found and corrected before replac-
ing a battery. In most cases, the battery can be
charged and returned to service after the excessive
IOD condition has been corrected.
(1) Verify that all electrical accessories are off.
Turn off all lamps, remove the ignition key, and close
all doors. If the vehicle is equipped with an illumi-
nated entry system or an electronically tuned radio,
allow the electronic timer function of these systems
to automatically shut off (time out). This may take
up to twenty minutes.
(2) Disconnect the battery negative cable.
(3) Set an electronic digital multi-meter to its
highest amperage scale. Connect the multi-meter
Fig. 9 Testing Open-Circuit Voltage - Typical
RSBATTERY SYSTEM8F-13
BATTERY (Continued)
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DIAGNOSIS AND TESTING - COMPASS
MINI-TRIP COMPUTER
Compass Mini-Trip Computer (CMTC) and Com-
pass Temperature (CT) data is obtained from the
Body Control Module (BCM) on the J1850 Data Bus
circuit. The CMTC and CT will display dashes (- -)
for any of the screens it did not receive the bus mes-
sages. The label corresponding to the missing infor-
mation will be lit. If no compass mini-trip computer
data is displayed, check the J1850 Data Bus circuit
communications and the BCM. If the brightness level
is improper check the J1850 Data Bus circuit.
The DRB IIItis recommended for checking the
J1850 Data Bus circuit and the BCM. Perform the
CMTC, CT self diagnosis before replacing the CMTC
or CT module.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove overhead console(Refer to 8 - ELEC-
TRICAL/OVERHEAD CONSOLE - REMOVAL).
(3) Remove the screws holding Compass Mini-Trip
Computer module in the overhead console.
(4) Remove CMTC module from console assembly.
INSTALLATION
(1) Position the compass mini-trip computer mod-
ule in the overhead console.
(2) Install the ten screws holding the compass
mini-trip computer module in the overhead console.
(3) Install the overhead console (Refer to 8 -
ELECTRICAL/OVERHEAD CONSOLE - INSTALLA-
TION).
(4) Connect the battery negative cable.
NOTE: If a new EVIC module has been installed, the
compass will have to be calibrated and the variance
set. Refer to compass variation adjustment and
compass calibration in standard procedures.
UNIVERSAL TRANSMITTER
DESCRIPTION
On some RS models a Universal Transmitter trans-
ceiver is standard factory-installed equipment. The
universal transmitter transceiver is integral to the
Electronic Vehicle Information Center (EVIC) and the
Compass Mini-Trip Computer (CMTC) modules,
which is located in the overhead console. The only
visible component of the universal transmitter are
the three transmitter push buttons centered between
the modules push buttons located just rearward of
the display screen in the overhead console. The threeuniversal transmitter push buttons are identified
with one, two or three light indicators so that they be
easily identified by sight or by feel.
Each of the three universal transmitter push but-
tons controls an independent radio transmitter chan-
nel. Each of these three channels can be trained to
transmit a different radio frequency signal for the
remote operation of garage door openers, motorized
gate openers, home or office lighting, security sys-
tems or just about any other device that can be
equipped with a radio receiver in the 286 to 399
MegaHertz (MHz) frequency range for remote opera-
tion. The universal transmitter is capable of operat-
ing systems using either rolling code or non-rolling
code technology.
The electronics module displays messages and a
small house-shaped icon with one, two or three dots
corresponding to the three transmitter buttons to
indicate the status of the universal transmitter. The
EVIC messages are:
²Cleared Channels- Indicates that all of the
transmitter codes stored in the universal transmitter
have been successfully cleared.
²Training- Indicates that the universal trans-
mitter is in its transmitter learning mode.
²Trained- Indicates that the universal transmit-
ter has successfully acquired a new transmitter code.
²Transmit- Indicates that a trained universal
transmitter button has been depressed and that the
universal transmitter is transmitting.
The universal transmitter cannot be repaired, and
is available for service only as a unit with the EVIC
or CMTC modules. If any of these components is
faulty or damaged, the complete EVIC or CMTC
module must be replaced.
OPERATION
The universal transmitter operates on a non-
switched source of battery current so the unit will
remain functional, regardless of the ignition switch
position. For more information on the features, pro-
gramming procedures and operation of the universal
transmitter, see the owner's manual in the vehicle
glove box.
DIAGNOSIS AND TESTING - UNIVERSAL
TRANSMITTER
If the Universal Transmitter is inoperative, but the
Electronic Vehicle Information Center (EVIC) is oper-
ating normally, see the owner's manual in the vehicle
glove box for instructions on training the Transmit-
ter. Retrain the Transmitter with a known good
transmitter as instructed in the owner's manual and
test the Transmitter operation again. If the unit is
still inoperative, test the universal transmitter with
Radio Frequency Detector special tool. If both the
8M - 10 MESSAGE SYSTEMSRS
COMPASS/MINI-TRIP COMPUTER (Continued)
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Transmitter and the EVIC module are inoperative,
refer toElectronic Vehicle Information Center
Diagnosis and Testingin this group for further
diagnosis. For complete circuit diagrams, refer to
Wiring Diagrams. (Fig. 5) as described below:
(1) Turn the Radio Frequency (RF) Detector ON. A
ªchirpº will sound and the green power LED will
light. If the green LED does not light, replace the
battery.
(2) Hold the RF detector within one inch of the
TRAINED universal transmitter and press any of the
transmitters buttons.
(3) The red signal detection LEDs will light and
the tool will beep if a radio signal is detected. Repeat
this test three times.
STANDARD PROCEDURE
STANDARD PROCEDURE - SETTING
TRANSMITTER CODES
(1) Turn off the engine.
(2) Erase the codes by pressing the two outside
buttons. Release the buttons when the display con-
firms the operation (about 20 seconds).
(3) Choose one of the three buttons to train. Place
the hand-held transmitter within one inch of the uni-
versal transmitter and push the buttons on both
transmitters.(4) Release both buttons. Your universal transmit-
ter is now ªtrainedº. To train the other buttons,
repeat Step 3 and Step 4. Be sure to keep your hand-
held transmitter in case you need to retrain the uni-
versal transmitter.
STANDARD PROCEDURE - ERASING
TRANSMITTER CODES
To erase the universal transmitter codes, simply
hold down the two outside buttons until the display
confirms the operation.
NOTE: Individual channels cannot be erased. Eras-
ing the transmitter codes will erase ALL pro-
grammed codes.
REMOVAL
(1) For universal transmitter removal and installa-
tion procedure, (Refer to 8 - ELECTRICAL/OVER-
HEAD CONSOLE/COMPASS/MINI-TRIP
COMPUTER - REMOVAL and INSTALLATION).
AMBIENT TEMP SENSOR
DESCRIPTION
Ambient air temperature is monitored by the over-
head console through ambient temperature messages
received from the Front Control Module (FCM) over
the Programmable Communications Interface (PCI)
J1850 data bus circuit. The FCM receives a hard
wired input from the ambient temperature sensor.
The ambient temperature sensor is a variable resis-
tor mounted to a bracket that is secured with a screw
to the right side of the headlamp mounting module
grille opening, behind the radiator grille and in front
of the engine compartment.
For more information on the Front Control Module
refer to the Electronic Control Modules section of this
manual. For complete circuit diagrams, refer to the
appropriate wiring information. The ambient temper-
ature sensor cannot be adjusted or repaired and, if
faulty or damaged, it must be replaced.
OPERATION
The ambient temperature sensor is a variable
resistor that operates on a five-volt reference signal
sent to it by the Front Control Module. The resis-
tance in the sensor changes as temperature changes,
changing the temperature sensor signal circuit volt-
age to the Front Control Module. Based upon the
resistance in the sensor, the Front Control Module
senses a specific voltage on the temperature sensor
signal circuit, which it is programmed to correspond
to a specific temperature. The Front Control Module
Fig. 5 RADIO FREQUENCY DETECTOR
1 - SIGNAL DETECTION LED'S
2 - POWER LED
3 - ON/OFF SWITCH
4 - 9V BATTERY
RSMESSAGE SYSTEMS8M-11
UNIVERSAL TRANSMITTER (Continued)
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The power seat system includes the following com-
ponents:
²Power seat recliners
²Power seat switches
²Power seat tracks
²Circuit breaker
The power seat system with memory and heated
seat options includes the following components:
²Power seat recliner
²Power seat switch
²Power seat track.
²Memory Seat Mirror Module (MSMM)
²Memory set switch
²Heated Seat Module (HSM)
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 SYSTEM
An electronic memory 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 side
view mirrors positions for two drivers. On vehicles
equipped with a factory radio, the memory system is
also able to store and recall radio station presets fortwo 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
its preset settings when the corresponding numbered
button of the memory switch is depressed, or when
the doors are unlocked using the corresponding
Remote Keyless Entry (RKE) transmitter. A customer
programmable feature of the memory system allows
the RKE recall of memory features to be disabled, if
desired. This programmable feature is internal in the
EVIC module, which is located in the overhead con-
sole.
A Memory Seat Mirror Module (MSMM) is used on
some models to control and integrate the many elec-
tronic functions and features included in the memory
seat and mirror systems.
The memory system includes the following compo-
nents:
²Memory Seat Mirror Module (MSMM)
²Memory set switch
²Position potentiometers on both outside side
view mirrors
²Position potentiometers on the driver side power
seat track and power seat recliner motors.
²Electronic Vehicle Information Center (EVIC)
²Radio receiver (if PCI data bus capable).
Certain functions of the memory system rely upon
resources shared with other electronic modules in the
vehicle over the Programmable Communications
Interface (PCI) J1850 data bus network. The PCI
data bus network allows the sharing of sensor infor-
mation. This helps to reduce wire harness complexity,
internal controller hardware, and component sensor
current loads. At the same time, this system provides
increased reliability, enhanced diagnostics, and
allows the addition of many new feature capabilities.
Initial diagnosis of these electronic modules or the
PCI data bus network requires the use of a DRBIIIt
scan tool and the proper Diagnostic Procedures man-
ual. If this method does not prove conclusive, the use
of a automotive meter such as the Fluket, the proper
wiring schematics and the service manual diagnostic
routines are required.
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.
²Powertrain Control Module (PCM)- Refer to
Powertrain Control Modulein Electronic Control
Modules for more information.
²Transmission Control Module (TCM)- Refer
toTransmission Control Modulein Electronic
Control Modules for more information.
Fig. 1 Identifying a Side Airbag Equipped Seat
1 - Airbag Label
RSPOWER SEAT SYSTEM8N-51
POWER SEAT SYSTEM (Continued)
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Component Page
Leak Detection Pump................... 8W-30
License Lamp...................... 8W-51, 61
Lift Pump Motor....................... 8W-30
Lift Pump Relay....................... 8W-30
Liftgate Ajar Switch.................. 8W-39, 61
Liftgate Cinch/Release Motor.............. 8W-61
Liftgate Cylinder Lock Switch............. 8W-39
Liftgate Flood Lamps................... 8W-44
Liftgate Left Pinch Sensor................ 8W-61
Liftgate Right Pinch Sensor............... 8W-61
Low Beam Lamps...................... 8W-50
Manifold Absolute Pressure Sensor......... 8W-30
Mass Air Flow Sensor................... 8W-30
Memory Seat/Mirror Module............ 8W-62, 63
Memory Set Switch..................... 8W-63
Message Center........................ 8W-46
Mid Reading Lamps.................... 8W-44
Mode Door Actuator..................... 8W-42
Multi-Function Switch............. 8W-50, 52, 53
Name Brand Speaker Relay............... 8W-47
Natural Vacuum Leak Detection Assembly.... 8W-30
Output Speed Sensor.................... 8W-31
Overhead Console................... 8W-43, 49
Oxygen Sensors........................ 8W-30
Park Lamp Relay...................... 8W-10
Park Lamps.......................... 8W-50
Park/Turn Signal Lamps................. 8W-50
Parking Brake Switch................... 8W-40
Passenger Airbag...................... 8W-43
Passenger Folding Mirror Relay............ 8W-62
Power Folding Mirror Switch.............. 8W-62
Power Liftgate Module.................. 8W-61
Power Liftgate Motor.................... 8W-61
Power Mirror Switch.................... 8W-62
Power Mirrors......................... 8W-62
Power Outlet.......................... 8W-41
Power Seat Circuit Breaker............... 8W-10
Power Seat Front Riser Motors............ 8W-63
Power Seat Front Riser Position Sensors..... 8W-63
Power Seat Horizontal Motors............. 8W-63
Power Seat Horizontal Position Sensors...... 8W-63
Power Seat Rear Riser Motors............. 8W-63
Power Seat Rear Riser Position Sensors...... 8W-63
Power Seat Recliner Motors............... 8W-63
Power Seat Recliner Position Sensors........ 8W-63
Power Seat Switches.................... 8W-63
Power Window Circuit Breaker............ 8W-10
Power Window Motor................... 8W-60
Power Window Switch................... 8W-60
Powertrain Control Module............... 8W-30
PTC's............................... 8W-10
Radiator Fans......................... 8W-42
Radiator Fan Relays.................... 8W-42
Radio............................... 8W-47
Reading Lamps........................ 8W-44
Rear A/C-Heater Unit................... 8W-42
Component Page
Rear Auto Temp Control Switch............ 8W-42
Rear Blower Front Control Switch.......... 8W-42
Rear Blower Motor Power Module.......... 8W-42
Rear Blower Motor Relay................. 8W-42
Rear Blower Motor..................... 8W-42
Rear Blower Rear Control Switch........... 8W-42
Rear Dome Lamp...................... 8W-44
Rear Intrusion Sensor................... 8W-39
Rear Mode Motor...................... 8W-42
Rear Power Outlet...................... 8W-41
Rear Temperature Motor................. 8W-42
Rear Washer Pump Motor................ 8W-53
Rear Window Defogger Grid............... 8W-48
Rear Wiper Motor...................... 8W-53
Recirculation Door Actuator............... 8W-42
Remote Keyless Entry Antenna............ 8W-61
Remote Keyless Entry Module............. 8W-61
Remote Radio Switches.................. 8W-47
Repeater Lamps....................... 8W-52
Splices.............................. 8W-70
Seat Airbags.......................... 8W-43
Seat Belt Tensioner..................... 8W-43
Sentry Key Immobilizer Module............ 8W-39
Side Impact Airbag Control Modules........ 8W-43
Siren............................... 8W-39
Sliding Door Control Modules........... 8W-43, 61
Sliding Door Latch Sensing Switches........ 8W-61
Sliding Door Lock Motors................ 8W-61
Sliding Door Lock Motor/Ajar Switches...... 8W-61
Sliding Door Motors.................... 8W-61
Solenoid/Pressure Switch Assy............. 8W-31
Speakers............................. 8W-47
Speed Control Servo.................... 8W-33
Speed Control Switches.................. 8W-33
Starter Motor Relay.................... 8W-21
Starter Motor......................... 8W-21
Stop/Turn Signal Relays................. 8W-54
Sunroof Module........................ 8W-64
Sunroof Switch........................ 8W-64
Thatcham Alarm Indicator................ 8W-39
Thatcham Alarm Module................. 8W-39
Throttle Position Sensor................. 8W-30
Traction Control Switch.................. 8W-35
Trailer Tow Connector................... 8W-54
Transmission Control Module.............. 8W-31
Transmission Control Relay............... 8W-31
Transmission Range Sensor............... 8W-31
Turn Signal Lamps..................... 8W-52
Vehicle Speed Sensor.................... 8W-30
Vent Motors.......................... 8W-60
Visor/Vanity Lamps..................... 8W-44
Washer Fluid Level Switch............... 8W-53
Water In Fuel Sensor................... 8W-30
Wheel Speed Sensors.................... 8W-35
8W - 02 - 2 8W-02 COMPONENT INDEXRS
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8W-45 BODY CONTROL MODULE
Component Page
A/C-Heater Control............... 8W-45-16, 19
Auto Temp Control............... 8W-45-16, 19
Automatic Day/Night Mirror........... 8W-45-11
Body Control Module....... 8W-45-2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 15,
16, 17, 18, 19, 20
CD Changer....................... 8W-45-17
Center Dome Lamp................. 8W-45-13
Center Dome Lamp.................. 8W-45-9
Clockspring........................ 8W-45-17
Controller Antilock Brake............. 8W-45-13
Driver Door Courtesy Lamp........... 8W-45-15
Driver Door Lock Switch............. 8W-45-12
Driver Door Lock Switch............. 8W-45-15
Driver Heated Seat Module........... 8W-45-11
DVD/CD.......................... 8W-45-17
Floor Console Lamp................. 8W-45-13
Front Cigar Lighter................. 8W-45-17
Front Control Module................. 8W-45-3
Front Reading Lamps/Switch....... 8W-45-13, 15
Fuel Pump Module.................. 8W-45-15
Fuse 14............................ 8W-45-3
Fuse 19............................ 8W-45-2
Fuse 20............................ 8W-45-2
Fuse 24............................ 8W-45-2
G301............................ 8W-45-2, 8
Headlamp Switch............. 8W-45-11, 16, 20
Hood Ajar Switch................... 8W-45-12
Ignition Switch...................... 8W-45-3
Instrument Cluster............ 8W-45-16, 18, 19
Instrument Panel Switch
Bank.................. 8W-45-10, 11, 17, 19
Integrated Power Module..... 8W-45-2, 3, 5, 6, 13
Left B-Pillar Switch.................. 8W-45-9
Left Cylinder Lock Switch............ 8W-45-10
Left Front Door Lock Motor/Ajar
Switch........................ 8W-45-4, 7
Left Liftgate Flood Lamp............. 8W-45-12
Left Mid Reading Lamp............ 8W-45-9, 14
Left Power Mirror................... 8W-45-20
Left Rear Lamp Assembly........... 8W-45-5, 6
Left Rear Reading Lamp........... 8W-45-9, 14
Left Remote Radio Switch............ 8W-45-17
Left Repeater Lamp................. 8W-45-20
Left Sliding Door Control Module..... 8W-45-8, 10
Left Sliding Door Lock Motor........... 8W-45-7Component Page
Left Sliding Door Lock Motor/Ajar
Switch........................ 8W-45-7, 8
Left Stop/Turn Signal Relay............ 8W-45-5
Left Visor/Vanity Lamp.............. 8W-45-13
License Lamp....................... 8W-45-8
Liftgate Ajar Switch................. 8W-45-12
Liftgate Cinch/Release Motor.......... 8W-45-12
Liftgate Cylinder Lock Switch.......... 8W-45-9
Memory Set Switch.................. 8W-45-4
Message Center.................... 8W-45-18
Multi-Function Switch............... 8W-45-16
Name Brand Speaker Relay............ 8W-45-3
Overhead Console................. 8W-45-4, 11
Passenger Door Courtesy Lamp........ 8W-45-15
Passenger Door Lock Switch........ 8W-45-12, 15
Passenger Folding Mirror Relay........ 8W-45-20
Passenger Heated Seat Module........ 8W-45-11
Power Folding Mirror Switch.......... 8W-45-20
Power Liftgate Module............. 8W-45-8, 12
Radio............................ 8W-45-17
Rear Auto Temp Control Switch..... 8W-45-10, 19
Rear Blower Rear Control Switch....... 8W-45-10
Rear Dome Lamp.................... 8W-45-9
Rear Wiper Motor.................... 8W-45-8
Remote Keyless Entry Module....... 8W-45-4, 16
Right B-Pillar Switch................. 8W-45-9
Right Combination Relay.............. 8W-45-5
Right Cylinder Lock Switch........... 8W-45-10
Right Front Door Lock Motor/Ajar
Switch........................ 8W-45-7, 9
Right Liftgate Flood Lamp............ 8W-45-12
Right Mid Reading Lamp........... 8W-45-9, 14
Right Power Mirror................. 8W-45-20
Right Rear Lamp Assembly.......... 8W-45-5, 6
Right Rear Reading Lamp.......... 8W-45-9, 14
Right Remote Radio Switch........... 8W-45-17
Right Repeater Lamp................ 8W-45-20
Right Sliding Door Control Module.... 8W-45-8, 10
Right Sliding Door Lock Motor.......... 8W-45-7
Right Sliding Door Lock Motor/Ajar
Switch........................ 8W-45-7, 8
Right Visor/Vanity Lamp............. 8W-45-13
Sentry Key Immobilizer Module......... 8W-45-3
Thatcham Alarm Module............. 8W-45-10
Traction Control Switch.............. 8W-45-17
RS8W-45 BODY CONTROL MODULE8W-45-1
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