2000 DODGE NEON engine

disarming. The rolling code algorithm ensures secu-
rity by preventing an override of the SKIS through
the unauthorized substitution of the SKIM or the
PCM. However, the use of this strategy also means
that replacement of either the SKIM or the PCM
units will require a system initialization procedure to
restore system operation.
When the ignition switch is turned to the ON or
START positions, the SKIM transmits an RF signal
to excite the Sentry Key transponder. The SKIM then
listens for a return RF signal from the transponder
of the Sentry Key that is inserted in the ignition lock
cylinder. If the SKIM receives an RF signal with
valid ªSecret Keyº and transponder identification
codes, the SKIM then sends a ªvalid keyº message to
the PCM over the PCI bus. If the SKIM receives an
invalid RF signal or no response, it sends ªinvalid
keyº messages to the PCM. The PCM will enable or
disable engine operation based upon the status of the
SKIM messages.
The SKIM also sends messages to the instrument
cluster over the PCI bus network to control the VTSS
indicator LED. The SKIM sends messages to the
instrument cluster to turn the LED on for about
three seconds when the ignition switch is turned to
the ON position as a bulb test. After completion of
the bulb test, the SKIM sends bus messages to keep
the LED off for a duration of about one second. Then
the SKIM sends messages to turn the LED on or off
based upon the results of the SKIS self-tests. If the
VTSS indicator LED comes on and stays on after the
bulb test, it indicates that the SKIM has detected a
system malfunction and/or that the SKIS has become
inoperative.
If the SKIM detects an invalid key when the igni-
tion switch is turned to the ON position, it sends
messages to the instrument cluster to flash the VTSS
indicator LED. The SKIM can also send messages to
the instrument cluster to flash the LED and to gen-
erate a single audible chime tone. These functions
serve as an indication to the customer that the SKIS
has been placed in its ªCustomer Learnº program-
ming mode. See Sentry Key Immobilizer System
Transponder Programming in this group for more
information on the ªCustomer Learnº programming
mode.
For diagnosis or initialization of the SKIM and the
PCM, a DRB IIItscan tool and the proper Body
Diagnostic Procedures Manual are required. The
SKIM cannot be repaired, and if faulty or damaged,
the unit must be replaced.
SENTRY KEY IMMOBILIZER SYSTEM
TRANSPONDER
The Sentry Key Immobilizer System (SKIS) uses a
transponder that is integral to each of three ignitionkey that are supplied with the vehicle when it is
shipped from the factory. The transponder chip is
insulated within a nylon mount inserted in the head
of the key, and invisible beneath a molded rubber cap
(Fig. 2).
Each Sentry Key transponder has a unique tran-
sponder identification code programmed into it by the
manufacturer. The Sentry Key Immobilizer Module
(SKIM) has a unique ªSecret Keyº code programmed
into it by the manufacturer. When a Sentry Key
transponder is programmed into the memory of the
SKIM, the SKIM learns the transponder identifica-
tion code from the transponder, and the transponder
learns the ªSecret Keyº code from the SKIM. Each of
these codes is stored within the transponder and in
the nonvolatile memory of the SKIM. Therefore,
blank keys for the SKIS must be programmed by and
into the SKIM, in addition to being cut to match the
mechanical coding of the ignition lock cylinder. See
Sentry Key Immobilizer System Transponder Pro-
gramming in this group for more information.
The Sentry Key transponder is within the range of
the SKIM transceiver antenna ring when it is
inserted in the ignition lock cylinder. When the igni-
tion switch is turned to the START or RUN positions,
the SKIM transceiver issues a Radio Frequency (RF)
signal that excites the transponder chip. The tran-
sponder chip responds by issuing an RF signal con-
taining its transponder identification code and the
ªSecret Keyº code. The SKIM transceiver compares
the transponder codes with the codes stored in its
Fig. 2 Sentry Key Immobilizer Transponder
1 ± MOLDED CAP
2 ± TRANSPONDER
3 ± MOLDED CAP REMOVED
4 ± SENTRY KEY
PLVEHICLE THEFT/SECURITY SYSTEM 8Q - 3
DESCRIPTION AND OPERATION (Continued)

TERMINOLOGY
This a list of terms with there definitions used in
the wiring diagrams.
Built-Up-Export....... Vehicles Built For Sale In
Markets Other Than North America
Except-Built-Up-Export . Vehicles Built For Sale In
North America
LHD ................Left Hand Drive Vehicles
RHD ...............Right Hand Drive Vehicles
ATX . . Automatic Transmission-Front Wheel Drive
MTX ....Manual Transmission-Front Wheel Drive
AT ....Automatic Transmission-Rear Wheel Drive
MT......Manual Transmission-Rear Wheel Drive
SOHC...........Single Over Head Cam Engine
DOHC............Dual Over Head Cam Engine
CONNECTOR INFORMATION
CAUTION: Not all connectors are serviced. Some
connectors are serviced only with a harness. A typ-
ical example might be the Supplemental Restraint
System connectors. Always check parts availability
before attempting a repair.
IDENTIFICATION
In-line connectors are identified by a number, as
follows:
²In-line connectors located on theengine com-
partment harnessareC100series numbers.
²Connectors located on theinstrument panel
harnessareC200series numbers.
²Connectors located on thebody harnessare
C300series numbers.
²Jumper harness connectorsareC400series
numbers.
²Grounds and ground connectorsare identi-
fied with aªGºand follow the same series number-
ing as the in-line connector.
Component connectors are identified by the compo-
nent name instead of a number. Multiple connectors
on a component use a C1, C2, etc. identifier.
LOCATIONS
Section 8W-90 contains connector/ground location
illustrations. The illustrations contain the connector
name (or number)/ground number and component
identification. Connector/ground location charts in
Section 8W-90 reference the illustration number for
components and connectors.
Section 8W-80 shows each connector and the cir-
cuits involved with that connector. The connectors
are identified using the name/number on the Dia-
gram pages.
SPLICE LOCATIONS
Splice Location charts in Section 8W-70 show the
entire splice, and provide references to other sections
the splice serves.
Section 8W-95 contains illustrations that show the
general location of the splices in each harness. The
illustrations show the splice by number, and provide
a written location.
NOTES, CAUTIONS, and WARNINGS
Throughout this group additional important infor-
mation is presented in three ways; Notes, Cautions,
and Warnings.
NOTESare used to help describe how switches or
components operate to complete a particular circuit.
They are also used to indicate different conditions
that may appear on the vehicle. For example, an
up-to and after condition.
CAUTIONSare used to indicate information that
could prevent making an error that may damage the
vehicle.
WARNINGSprovide information to prevent per-
sonal injury and vehicle damage. Below is a list of
general warnings that should be followed any time a
vehicle is being serviced.
WARNING: ALWAYS WEAR SAFETY GLASSES FOR
EYE PROTECTION.
WARNING: USE SAFETY STANDS ANYTIME A PRO-
CEDURE REQUIRES BEING UNDER A VEHICLE.
WARNING: BE SURE THAT THE IGNITION SWITCH
ALWAYS IS IN THE OFF POSITION, UNLESS THE
PROCEDURE REQUIRES IT TO BE ON.
WARNING: SET THE PARKING BRAKE WHEN
WORKING ON ANY VEHICLE. AN AUTOMATIC
TRANSMISSION SHOULD BE IN PARK. A MANUAL
TRANSMISSION SHOULD BE IN NEUTRAL.
WARNING: OPERATE THE ENGINE ONLY IN A
WELL-VENTILATED AREA.
WARNING: KEEP AWAY FROM MOVING PARTS
WHEN THE ENGINE IS RUNNING, ESPECIALLY THE
FAN AND BELTS.
WARNING: TO PREVENT SERIOUS BURNS, AVOID
CONTACT WITH HOT PARTS SUCH AS THE RADIA-
TOR, EXHAUST MANIFOLD(S), TAIL PIPE, CATA-
LYTIC CONVERTER, AND MUFFLER.
PL8W - 01 GENERAL INFORMATION 8W - 01 - 7
DESCRIPTION AND OPERATION (Continued)

8W-02 COMPONENT INDEX
Component Page
A/C Compressor Clutch Relay............8W-42
A/C Compressor Clutch.................8W-42
A/C Cycling Switch....................8W-42
A/C Heater Blower Motor...............8W-42
A/C Heater Control....................8W-42
A/C Pressure Switches..................8W-42
Airbag Control Module.................8W-43
Airbags.............................8W-43
Antenna.............................8W-47
Automatic Shut Down Relay.............8W-30
Back-Up Lamp Switch..................8W-51
Back-Up Lamps.......................8W-51
Battery.............................8W-20
Blower Motor Resistor Block.............8W-42
Brake Lamp Switch....................8W-30
Brake Shift Interlock Solenoid...........8W-30
Brake Warning Indicator Switch..........8W-40
Camshaft Position Sensor...............8W-30
Cargo Lamp..........................8W-44
Center High Mounted Stop Lamp.........8W-51
Center Stack Lamp....................8W-44
Cigar Lighter/Power Outlet..............8W-41
Circuit Breakers (FB)..................8W-11
City Lamps..........................8W-50
Clockspring.....................8W-33, 41, 43
Clutch Interlock Switch.................8W-30
Combination Flasher...................8W-52
Controller Anti-Lock Brake..............8W-35
Crankshaft Position Sensor..............8W-30
Data Link Connector...................8W-30
Decklid Release Switch.................8W-44
Decklid Solenoid......................8W-61
Diode No. 1..........................8W-42
Dome Lamp..........................8W-44
Dome Lamp/Intrusion Sensor............8W-44
Door Ajar Switches....................8W-40
Door Lock Motors.....................8W-61
Engine Coolant Temperature Sensor.......8W-30
Engine Oil Pressure Switch..............8W-30
Engine Starter Motor Relay.............8W-21
Engine Starter Motor..................8W-21
Fog Lamps........................8W-50, 51
Front Fog Lamp Switch.................8W-50
Fuel Injectors........................8W-30
Fuel Pump Module....................8W-30
Fuel Pump Relay......................8W-30
Fuel Tank...........................8W-30
Fuses (FB)...........................8W-11
Fuses (PDC).........................8W-10
Fuse Block...........................8W-11
Fusible Link A11...................8W-20, 21
Grounds.............................8W-15Component Page
Generator...........................8W-20
Glove Box Lamp/Switch.................8W-44
Headlamp Beam Select..............8W-40, 50
Headlamp Leveling Motors..............8W-50
Headlamp Leveling Switch Illumination....8W-50
Headlamp Leveling Switch..............8W-50
Headlamp Switch...................8W-50, 51
Headlamps..........................8W-50
Horns..............................8W-41
Horn Relay..........................8W-41
Horn Switch.........................8W-41
Hood Ajar Switch......................8W-39
Idle Air Control Motor..................8W-30
Ignition Coil.........................8W-30
Ignition Switch.......................8W-10
Indicators...........................8W-40
Indicator Drivers......................8W-40
Inlet Air Temperature Sensor............8W-30
Instrument Cluster....................8W-40
Instrument Panel Drivers...............8W-40
Knock Sensor.........................8W-30
Leak Detection Pump..................8W-30
License Lamps........................8W-51
Manifold Absolute Pressure Sensor........8W-30
Map/Reading Lamps...................8W-44
Multi- Function Switch.........8W-40, 50, 51, 52
Noise Suppressor......................8W-30
Oxygen Sensors.......................8W-30
Park Brake Switch....................8W-40
Park/Neutral Position Switch............8W-51
Park/Turn Signal Lamps................8W-52
Power Distribution Center...............8W-10
Power Mirror Switch...................8W-62
Power Steering Pressure Switch..........8W-30
Powertrain Control Module..............8W-30
PRNDL Lamp........................8W-44
Proportional Evap/Purge Solenoid.........8W-30
Radiator Fan Motor....................8W-42
Radiator Fan Relay....................8W-42
Radio...............................8W-47
Rear Window Defogger Switch...........8W-48
Rear Window Defogger.................8W-48
Remote Keyless Entry Module............8W-39
Repeater Lamps......................8W-52
Seat Belt Switch......................8W-40
Sentry Key Immobilizer Module..........8W-39
Side Marker Lamps....................8W-50
Siren...............................8W-39
Speakers............................8W-47
Splice Information.....................8W-70
Sunroof Control Module................8W-64
Sunroof Motor........................8W-64
PL8W - 02 COMPONENT INDEX 8W - 02 - 1

8W-10 POWER DISTRIBUTION
Component Page
A/C Compressor Clutch Relay........8W-10-7, 16
Automatic Shut Down Relay...........8W-10-16
Battery............................8W-10-7
Brake Lamp Switch................8W-10-7, 18
Cargo Lamp.......................8W-10-12
Center High Mounted Stop Lamp.......8W-10-18
Cigar Lighter/Power Outlet............8W-10-8
Circuit Breaker No. 1 (FB).............8W-10-9
Circuit Breaker No. 2 (FB).............8W-10-9
Combination Flasher.................8W-10-13
Controller Anti-Lock Brake.......8W-10-7, 11, 18
Data Link Connector.................8W-10-16
Dome Lamp.......................8W-10-12
Dome Lamp/Intrusion Sensor..........8W-10-12
Engine Starter Motor.................8W-10-8
Engine Starter Motor Relay........8W-10-7, 8, 10
Front Fog Lamp Switch..............8W-10-14
Fuel Injector No. 1..................8W-10-17
Fuel Injector No. 2..................8W-10-17
Fuel Injector No. 3..................8W-10-17
Fuel Injector No. 4..................8W-10-17
Fuel Pump Module..................8W-10-16
Fuel Pump Relay...................8W-10-16
Fuse 1 (FB)........................8W-10-10
Fuse 2 (FB)........................8W-10-10
Fuse 5 (PDC).......................8W-10-7
Fuse 6 (FB).........................8W-10-9
Fuse 6 (PDC).....................8W-10-7, 11
Fuse 7 (FB).........................8W-10-9
Fuse 8 (FB).........................8W-10-9
Fuse 8 (PDC).....................8W-10-7, 11
Fuse 9 (FB)........................8W-10-10
Fuse 9 (PDC)......................8W-10-7, 8
Fuse 10 (FB).......................8W-10-10
Fuse 10 (PDC)....................8W-10-7, 11
Fuse 11 (FB).......................8W-10-10
Fuse 12 (FB).......................8W-10-10
Fuse 13 (PDC)....................8W-10-7, 12
Fuse 14 (FB)........................8W-10-9
Fuse 14 (PDC).....................8W-10-7, 8
Fuse 15 (FB)........................8W-10-9
Fuse 15 (PDC)....................8W-10-7, 13
Fuse 16 (FB)........................8W-10-9Component Page
Fuse 18 (PDC)....................8W-10-7, 13
Fuse 20 (FB).......................8W-10-11
Fuse 20 (PDC)....................8W-10-7, 14
Fuse 21 (PDC)....................8W-10-7, 16
Fuse 22 (PDC)....................8W-10-7, 16
Fuse 23 (PDC)....................8W-10-7, 18
Fuse Block....................8W-10-9, 10, 11
Generator.........................8W-10-17
Glove Box Lamp/Switch..............8W-10-12
Headlamp Switch...................8W-10-14
High Note Horn....................8W-10-13
Horn Relay......................8W-10-7, 13
Ignition Coil.......................8W-10-17
Ignition Switch................8W-10-7, 8, 9, 10
Instrument Cluster.............8W-10-8, 12, 14
Instrument Panel Drivers.............8W-10-14
Left Front Fog Lamp..............8W-10-14, 15
Left Tail/Stop Lamp.................8W-10-18
Left Tail/Stop/Turn Signal Lamp........8W-10-19
Left Visor/Vanity Lamp...............8W-10-12
Low Note Horn.....................8W-10-13
Map/Reading Lamps.................8W-10-12
Multi-Function Switch......8W-10-7, 13, 14, 15, 19
Noise Suppressor...................8W-10-17
Oxygen Sensor 1/1 Upstream..........8W-10-17
Oxygen Sensor 1/2 Downstream........8W-10-17
Power Distribution Center.....8W-10-2, 3, 4, 7, 8,
9, 11, 12, 13, 14, 16, 18
Powertrain Control Module.........8W-10-16, 17
Radiator Fan Motor.................8W-10-11
Radiator Fan Relay................8W-10-7, 11
Radio.............................8W-10-12
Rear Window Defogger...............8W-10-11
Rear Window Defogger Switch.........8W-10-11
Remote Keyless Entry Module.........8W-10-12
Right Front Fog Lamp...............8W-10-15
Right Rear Fog Lamp................8W-10-14
Right Tail/Stop Lamp................8W-10-18
Right Tail/Stop/Turn Signal Lamp......8W-10-19
Right Visor/Vanity Lamp..............8W-10-12
Sentry Key Immobilizer Module........8W-10-12
Siren.............................8W-10-12
Underhood Lamp...................8W-10-12
PL8W - 10 POWER DISTRIBUTION 8W - 10 - 1

POWER DISTRIBUTION CENTER
NOT
USED
FAN RADIATOR
RELAY
USEDNOT NOT
USEDFUEL
PUMP
NOT
USED
USEDNOT
RELAYHORN RELAY
USEDNOT
NOT
USED FUSE
10 FUSE 22 FUSE 23
FUSE 20 FUSE 21
FUSE 18 FUSE 19
FUSE 16 FUSE 17
FUSE 14 FUSE 15
FUSE 12 FUSE 13
11 FUSE
9 FUSE FUSE
8
FUSE
67FUSE
FUSE
45FUSE
FUSE
23FUSE
ENGINE
STARTER
MOTOR
RELAY RELAY CLUTCH COMPRESSORA/C RELAY SHUT DOWNAUTOMATIC
8W - 10 - 2 8W-10 POWER DISTRIBUTIONPL
008W-10PLI01002

-
CIRCUIT CAVITY FUNCTION
-
33
FUSED B(+) A14 18RD/WT
34
IGNITION SWITCH OUTPUT (START) A41 14YL 24AUTOMATIC SHUT DOWN RELAY CONTROL K51 18DB/YL 38FUSED IGNITION SWITCH OUTPUT (ST-RUN) F12 18DB/WT
ENGINE STARTER MOTOR RELAY CONTROL 28 K90 20TNFUSED B(+) 25 A1 14RD 29 A/C COMPRESSOR CLUTCH RELAY CONTROL
C3 20DB/BK 31 A/C COMPRESSOR CLUTCH RELAY OUTPUT
A14 18RD/WT 35 FUSED B(+)
36A142 18DG/OR
T40 14BR ENGINE STARTER MOTOR RELAY OUTPUT 26 30C28 18DB/OR
A17 20RD/BK FUSED B(+)
AUTOMATIC SHUT DOWN RELAY OUTPUT
CAVITYFUNCTION CIRCUIT
--
- -
CIRCUIT FUNCTIONCAVITY
32
37
27
AUTOMATIC
SHUT
DOWN
RELAY RELAY CLUTCH COMPRESSORA/C
RELAY MOTOR STARTERENGINE
PL8W-10 POWER DISTRIBUTION 8W - 10 - 5
PLI01005008W-10

POWER
DISTRIBUTION
CENTER
18FUSE15A23FUSE15A
20A
FUSE
14
8FUSE
40A
40A
FUSE
1013FUSE15A 30A
FUSE
9
8RD A0
5FUSE30A 30A
FUSE
64FUSE40A 40A
FUSE
3
BATTERY
A3
12
RD/WTA2
12
PK/BKA20
12
RD/DBA16
14
GY
A1
14
RDA4
10
BK/RDF1
16
DBM1
20
PK
WT18 A15
15FUSE15A
F32
18
PK/DBF62
18
RDF62
18
RD
RD/WT14 A14
21FUSE20A20A
FUSE
22
A17
20
RD/BK
IGNITION
SWITCH
TO
ENGINE
STARTER
MOTOR
RELAY
TO TO
S224 IGNITION
SWITCH
TOTOBRAKE ANTI-LOCK CONTROLLER RADIATOR
FAN
RELAY
TO TO
BRAKE ANTI-LOCK CONTROLLER
RD/DG12 A10
TO
S132
TO
S103 IGNITION
SWITCH
TO
HORN
RELAY
TO TO
RELAYHORN
TO
RELAY CLUTCH COMPRESSORA/C
3456 8
C23C104C1042322
C22
(IN PDC)
910131415
C10324
B24
(IN PDC)
C104 C1037
C7 B66
23 18 21 22
(IN PDC) (IN PDC)
(IN PDC)
PK/BK12 A2
TO
SWITCH FUNCTIONMULTI- BRAKE
LAMP
SWITCH
TO TOS106
20
F61
16
WT/OR
C14C10414
20FUSE
25A
A15
20
WT
BUILT-
UP-EXPORT UP-EXPORTBUILT- EXCEPT
MULTI-
FUNCTION
SWITCH
TO
NOT
USED14C104
(8W-10-2)
(8W-10-3)
(8W-10-13)(8W-10-18)(8W-10-8)(8W-10-11)
(8W-10-11) (8W-10-12) (8W-10-8)(8W-10-11) (8W-10-11) (8W-10-8) (8W-10-9) (8W-20-2)
(8W-10-13)
(8W-10-16) (8W-10-16) (8W-10-8)
(8W-21-2) (8W-10-9)
(8W-10-8)(8W-35-2)
(8W-42-5)(8W-35-2)
(8W-10-11)
(8W-10-12)
(8W-10-8)
(8W-41-2)
(8W-41-3)(8W-41-2)
(8W-41-3)
(8W-42-2)(8W-52-3)
(8W-52-4) (8W-30-13) (8W-10-16) (8W-10-14)
(8W-50-4)
PL8W-10 POWER DISTRIBUTION 8W - 10 - 7
PLI01007008W-10

9FUSE30A4FUSE40A
94
POWER
DISTRIBUTION
CENTER BATT A0
T40
14
BR
4C102
T40
14
BR
ENGINE
STARTER
MOTOR
A1
14
RD
B24C103
A1
14
RD
9
8 1
72
SWITCH IGNITION
A31
14
BK/WT
RUN-ACC A31
ST-RUN A21
A21
14
DBA22
12
BK/OR
RUN A22
6
A41
14
YL3
4
3 LOCK 0 OFF
1 START
2 RUN ENGINE
STARTER
MOTOR
RELAY
14
20A
FUSE
14
24
227C104
A1
14
RDA2
12
PK/BK
A2
12
PK/BKF1
16
DB
F1
16
DB
5G26
22
LB
23
OUTLET POWER
LIGHTER/
CIGAR
C103B23
1
CLUSTER INSTRUMENT
F30
16
RD
SWITCH IGNITION
KEY-IN C22 C7
234 ACC
ST A41
25
26
3
0 2
14 41
2
033
0 2
144 1
2
03
(8W-21-2)
(8W-10-9) (8W-10-7)
(8W-10-2)
(8W-10-3)
(8W-10-10)(8W-10-10)(8W-21-2)
(8W-41-4)(8W-40-7)
(8W-40-8)
(8W-10-10)
8W - 10 - 8 8W-10 POWER DISTRIBUTIONPL
008W-10PLI01008