1997 DODGE NEON sensor
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14
13
BATT A0
SPEEDOMETERCHIMELOW
FUEL
LEVEL
INDICATOR
LAMP
TACHOMETER
DRIVERODOMETER
DRIVER
000000
TACHOMETERODOMETER
M1
18
PK
M1
22
PK
S203
13C103
7366 TACHOMETER
SIGNAL
POWERTRAIN
CONTROL
MODULE
G21
20
GY/LB
G21
22
GY/LB
G7
20
WT/OR
G7
22
WT/OR
85C103
G7
20
WT/ORG7
18
WT/OR
3
2C160VEHICLE
SPEED
SENSOR
C2
5
HEADLAMP
SWITCH
0 OFF
1 PARK
2 HEAD
C110C17C16
VEHICLE
SPEED
SENSOR
SIGNAL
0
12
6 51 2
KEY-IN
SWITCH
LEFT
FRONT
DOOR
JAMB
SWITCH
M1
22
PK
POWER
DISTRIBUTION
CENTER
INSTRUMENT
CLUSTER
G26
20
LB
G26 20LB
G16 20BK/LBG16
20
BL/LB
9C230
BL/LB20 G16
C1 C1
SIGNAL SENSORSPEED VEHICLE
(8W-10-8)
(8W-10-8)(8W-30-8)
(8W-30-11)(8W-30-8)
(8W-50-2) (8W-10-4) (8W-10-4)
PL-RHD8W-40 INSTRUMENT CLUSTER 8W - 40 - 3
PLR04002978W-1
Page 98 of 256
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FUEL
LEVEL
SENSOR
SIGNAL
INSTRUMENT
CLUSTER
G5
20
DB/WT
G20
22
VT/YL
G20
20
VT/YL
G20
20
VT/YL
G4
20
DB
G4
20
DB
Z3
16
BK/OR
Z3
14
BK/OR
G6
22
GY
G6
20
GY
G6
18
GY
S201
SWITCH PRESSURE
OIL
ENGINE
BLOCK
FUSE
G4
20
DB
G204
8C161
4C103
1C28C1
6C230
3C160
23
10C25C1
1
10
31
POWERTRAIN
CONTROL
MODULE
FUEL
PUMP
MODULE SENSOR TEMPERATURE
COOLANT
ENGINE
3G4
18
DB
C1609
C10311
BK/PK20 G3
BK/PK22 G3
BK/PK20 G3
MODULE CONTROL
POWERTRAIN
8
3C2
CHECK
ENGINE
LAMP
DRIVER
C
6
C160
7C103
4C2
5A FUSE
11
SENSOR
SIGNAL
ENGINE
COOLANT
TEMPERATURE
GAUGELAMP ENGINE
CHECK
FUEL
GAUGE
LAMP PRESSURE
OIL
LOW FUEL
TANK
SENDING
UNIT
DB/WT20 G5
6
NO
CONNECTIONG4
20
DB
7C105
C2
C2
(8W-15-7)(8W-11-2)
(8W-15-7)(8W-30-10)
(8W-30-10) (8W-30-7)
(8W-30-11) (8W-11-10)(8W-10-12)
8W - 40 - 6 8W-40 INSTRUMENT CLUSTERPL-RHD
978W-1PLR04005
Page 99 of 256
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INDEX
page page
DESCRIPTION AND OPERATION
AIRBAG WARNING LAMP.................. 8
ANTI-LOCK WARNING LAMP............... 9
BRAKE WARNING INDICATOR LAMP......... 8
CHARGE INDICATOR LAMP................ 8
ENGINE COOLANT TEMPERATURE GAUGE . . . 7
FUEL GAUGE........................... 7
HEADLAMP ON CHIME.................... 8
HELPFUL INFORMATION.................. 9
HIGH BEAM INDICATOR LAMP.............. 8
INSTRUMENT CLUSTER.................. 7KEY-IN CHIME.......................... 8
LOW FUEL LAMP........................ 8
LOW OIL PRESSURE LAMP................ 8
ODOMETER............................ 8
RIGHT AND LEFT TURN
SIGNAL INDICATORS................... 8
SEAT BELT WARNING INDICATOR........... 8
SERVICE ENGINE SOON LAMP............. 8
SPEEDOMETER......................... 7
TACHOMETER.......................... 7
DESCRIPTION AND OPERATION
INSTRUMENT CLUSTER
The Instrument Cluster, located on the right side
of the instrument panel, provides the operator with
gauges and warning lamps relating to vehicle opera-
tion. All gauges in the standard and optional cluster
are magnetic type and logic driven.
Battery voltage for the clusters warning lamps and
gauges is provided on the G5 circuit. This circuit con-
nects from the fuse block and is protected bya5amp
fuse located in cavity 11. The cluster is powered only
when the ignition switch is in the START or RUN
position. The cluster is also powered on initial driv-
er's door opening.
Illumination lamps, internal to the cluster, receive
battery voltage on the E2 circuit from the 4 amp fuse
located in cavity 12 of the fuse block. This circuit is
HOT only when the headlamp switch is in the ON
position. Grounding for the cluster is provided on the
Z3 circuit and terminates at the instrument panel
left center support.
The M1 circuit also feeds the cluster through a 10
amp fuse in the Power Distribution Center (PDC).
This fuse is HOT at all times and also used to power
the underhood lamp, and the interior lamps. The
fuse is also lifted OPEN during vehicle shipping to
reduce battery draw.
SPEEDOMETER
The speedometer and odometer receive their infor-
mation on the G7 circuit from the Vehicle Speed Sen-
sor (VSS) on manual and 3±spd automatic
transmission applications. The G7 circuit also pro-
vides a signal to the Powertrain Control Module
(PCM).Logic internal to the instrument cluster adjusts the
position of the gauge pointer to the correct vehicle
speed using the signal on the G7 circuit.
TACHOMETER
The tachometer is connected to the Powertrain
Control Module (PCM) on the G21 circuit. It uses
solid state circuity to decode the ignition pulses
received from the PCM to adjust the gauge pointer to
the proper position.
ENGINE COOLANT TEMPERATURE GAUGE
The temperature gauge is connected to the engine
coolant temperature sensor on the G20 circuit. The
engine coolant temperature sensor for the gauge is a
combination unit. One side of the unit is used for the
Powertrain Control Module (PCM) and the other side
for the cluster. The sending unit is case grounded to
the engine.
The logic driven gauge moves in response to the
measured resistance of the engine coolant tempera-
ture sending unit.
FUEL GAUGE
The fuel level gauge is connected to the fuel pump
module on the G4 circuit. The fuel pump module con-
tains the fuel pump and a variable resistor for the
gauge. Grounding for the fuel pump module is pro-
vided on the Z2 circuit and terminates at the left
rear wheel house.
The logic driven gauge moves in response to the
measured resistance of the fuel tank sending unit.
The fuel level sensor contains a variable resistor.
As the position of the float arm on the level sensor
changes, the resistor changes the current flow
through the fuel gauge circuit. A change in current
flow alters the magnetic field in the fuel gauge which
changes the pointer position.
PL8W - 40 INSTRUMENT CLUSTER 8W - 40 - 7
Page 115 of 256
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INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
DESCRIPTION AND OPERATION.......................................................... 5
Component Page
Airbag Control Module............8W-43-2, 3, 4
Airbag Warning Lamp.................8W-43-3
Data Link Connector..................8W-43-2
Driver Side Airbag...................8W-43-4
Fuse 12 (FB)........................8W-43-2
Fuse Block.........................8W-43-2Component Page
G202..............................8W-43-2
Instrument Cluster...................8W-43-3
Left Airbag Impact Sensor.............8W-43-3
Passenger Side Airbag.................8W-43-4
Right Airbag Impact Sensor............8W-43-3
8W - 43 - 2 8W - 43 AIRBAG SYSTEMPL
Page 117 of 256
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CLUSTER INSTRUMENT
1FRONT
RIGHT
IMPACT
SENSOR SENSORIMPACTRIGHT FRONT
2
SENSOR IMPACT
AIRBAG
RIGHT LEFT
AIRBAG
IMPACT
SENSOR
2LEFT
RIGHT
IMPACT
SENSOR SENSORIMPACTRIGHTLEFT
1
3
LINE 1
LEFT
IMPACT
SENSORAIRBAG
WARNING
LAMP
DRIVER LINE 2
48
LINE 2
SENSORIMPACTRIGHTLINE 1
79
AIRBAG
CONTROL
MODULE
R47
18
DB/LB
R47
18
DB/LB
151678C101
R49
18
LB
R49
18
LB
R46
18
BR/LB
R46
18
BR/LB
R48
18
TN
R48
18
TNR41
18
BK/TN
SENSORIMPACTLEFT RIGHT
IMPACT
SENSOR
AIRBAG
WARNING
LAMP(8W-40-5)
(8W-40-5)
PL-RHD8W-43 AIRBAG SYSTEM 8W - 43 - 3
PLR04302978W-1
Page 119 of 256
Downloaded from www.Manualslib.com manuals search engine 8W-43 AIRBAG SYSTEM
DESCRIPTION AND OPERATION
AIRBAG CONTROL MODULE (ACM)
Two different circuits supply battery voltage from
the fuse block to the Airbag Control Module (ACM),
F15 and F25. The F15 and F25 circuits are connected
to separate bus bars internal to the fuse block. Dif-
ferent circuits from the Power Distribution Center
(PDC) and ignition switch supply battery voltage to
the fuse block bus bars.
The F25 circuit supplies battery voltage to the
ACM only when the ignition switch is in the RUN
position. The F15 circuit powers the ACM when the
ignition switch is in either the START or RUN posi-
tion.
An internal bus bar in the ignition switch connects
the A1 circuit from the PDC to the A21 circuit when
the switch is either the START or RUN position. The
A21 circuit supplies battery voltage to the bus bar in
the fuse block that feeds the F15 circuit. A 30 amp
fuse in the PDC protects the A1 and A21 circuits. A
10 amp fuse in the fuse block, cavity 9, protects the
F15 circuit.
When the ignition switch is in the RUN position, it
connects the A2 circuit from the PDC to the A22 cir-
cuit. The A22 circuit supplies battery voltage to the
fuse block bus bar that feeds the F25 circuit. A 40
amp fuse in the PDC protects the A2 and A22 cir-
cuits. A 10 amp fuse in the fuse block, cavity 5, pro-
tects the F25 circuit.
Circuits D1 and D2 are connected to the CCD Bus
and the ACM. The CCD bus is used to provide com-
munications between modules and the universal data
link connector.
The ACM has a case ground and an external dedi-
cated ground, circuit Z6. The dedicated ground con-
nects to the instrument panel right center support.
AIRBAG IMPACT SENSOR
The Airbag system uses a sensor internal to the
Airbag Control Module (ACM) to detect impact. For
information regarding operation of this sensor, refer
to the appropriate group of the Service Manual.
AIRBAG SQUIB (AIRBAG IGNITER)
DRIVERS SIDE AIRBAG
Two circuits, R43 and R45, connect the ACM to the
drivers side airbag module squib (igniter) after pass-
ing through the clock spring connector. Circuit R43
from cavity 3 of the ACM 4-way connector connects
to the squib. Circuit R45 from cavity 4 of the ACM
4-way connector connects to the squib. R43 and R45
are a twisted pair of wires.
PASSENGERS SIDE AIRBAG
Two circuits, R42 and R44, connect the ACM to the
passengers side airbag module squib (igniter). Circuit
R42 from cavity 1 of the ACM 4-way connector con-
nects to the squib. Circuit R44 from cavity 2 of the
ACM 4- way connector connects to the squib. R42
and R44 are a twisted pair of wires.
Circuits R50 and R51 are connected from the ACM
to the passangers airbag. These circuits are used to
monitor the pressure switch.
AIRBAG WARNING LAMP
The Airbag Warning lamp is used to alert the oper-
ator of a problem with the Airbag system. The lamp
is illuminated when the Airbag Control Module
(ACM) grounds the R41 circuit. Refer to the appro-
priate section of the Service Manual or Diagnostic
Test Procedures Manual to diagnosis this system.
HELPFUL INFORMATION
²Check for blown fuses in the circuit that connect
to the ignition switch and those that connect to the
ACM.
²While the bus bars in the fuse block power the
ACM, they also feed additional components on sepa-
rate fuse protected circuits.
²The ACM has a case ground and an external
dedicated ground. The dedicated ground connects to
the instrument panel right center support.
PL8W - 43 AIRBAG SYSTEM 8W - 43 - 5
Page 186 of 256
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SENSOR OXYGEN
HEATED
DOWNSTREAMCRANKSHAFT
POSITION
SENSOR
SENSOR OXYGEN
HEATED
UPSTREAM VEHICLE
SPEED
SENSOR
S118
K4
20
BK/LBK4
20
BK/LBK4
20
BK/LBK4
18
BK/LB
K4
18
BK/LB
CAMSHAFT
POSITION
SENSORSENSOR
KNOCK
BATTERY
TEMPERATURE
SENSOR
SENSOR TEMPERATURE
COOLANT
ENGINETHROTTLE
POSITION
SENSOR
122
AA1
K4
20
BK/LB
K4
20
BK/LBK4
20
BK/LBK4
20
BK/LBK4
20
BK/LB
K4
20
BK/LB
10C161
K4
20
BK/RDK4
20
BK/LB
2.0L
SOHC DOHC2.0L
S120
K4
20
BK/LB
S110
SENSOR IAT/
MAP
(8W-30-3)(8W-30-7)
(8W-30-3)(8W-30-8)
(8W-30-7)(8W-30-6)
(8W-30-7)
(8W-30-7)(8W-30-6)
(8W-30-3)
(8W-30-6)
8W - 70 - 2 8W-70 SPLICE INFORMATIONPL-RHD
978W-1PLR07001
Page 189 of 256
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INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
Component Page
A/C Compressor Clutch................8W-80-4
A/C Cycling switch...................8W-80-4
A/C-Heater Blower Motor..............8W-80-4
A/C-Heater Control Switch.............8W-80-4
A/C High Pressure Switch..............8W-80-4
A/C Low Ptressure Switch..............8W-80-5
ABS Hydraulic Modulator..............8W-80-5
ABS Relay Box......................8W-80-5
Airbag Control Module................8W-80-5
Ash Receiver lamp...................8W-80-6
Back-Up Lamp Switch (MTX)...........8W-80-6
Battery Temperature Sensor............8W-80-6
Blower Motor Resister Block............8W-80-6
Brake Warning Lamp Switch...........8W-80-6
C101..............................8W-80-7
C102..............................8W-80-7
C103..............................8W-80-7
C105..............................8W-80-8
C108..............................8W-80-8
C160..............................8W-80-8
C161..............................8W-80-8
C203..............................8W-80-9
C205..............................8W-80-9
C206..............................8W-80-9
C225..............................8W-80-9
C230.............................8W-80-10
C231.............................8W-80-10
C241.............................8W-80-10
C301.............................8W-80-11
C303.............................8W-80-11
C309.............................8W-80-11
C315.............................8W-80-11
C323.............................8W-80-11
C324.............................8W-80-11
C325.............................8W-80-12
C340.............................8W-80-12
C341.............................8W-80-12
Camshaft Position Sensor.............8W-80-12
Clockspring........................8W-80-12
Clutch Pedal Position Switch (MTX).....8W-80-12
Controller Anti-Lock Brake............8W-80-13
Crankshaft Position Sensor............8W-80-14
Data Link Connector.................8W-80-14
Dome Lamp........................8W-80-14
Downstream Heated Oxygen Sensor.....8W-80-15Component Page
Driver Side Airbag..................8W-80-15
Duty Cycle Evap/Purge Solenoid........8W-80-15
EGR Transducer solenoid.............8W-80-15
Engine Coolant Temperature
Sensor (ECT).....................8W-80-15
Engine Oil Pressure Switch............8W-80-16
Front Fog Lamp Switch...............8W-80-16
Fuel Injector No.1...................8W-80-16
Fuel Injector No.2...................8W-80-16
Fuel Injector No.3...................8W-80-16
Fuel Injector No.4...................8W-80-16
Fuel Pump Module..................8W-80-17
Generator.........................8W-80-17
Glove Box Lamp and Switch...........8W-80-17
Headlamp Dimmer and Optical
Horn Switch.....................8W-80-17
Headlamp Leveling Switch............8W-80-17
Headlamp Switch...................8W-80-17
Horn No.1.........................8W-80-18
Horn No.2.........................8W-80-18
(IAT/Map) Sensor...................8W-80-18
Idle Air Control Motor (IAC)...........8W-80-18
Ignition Coil Pack...................8W-80-18
Ignition Switch.....................8W-80-19
Immobilizer Engine Sensor............8W-80-19
Immobilizer Sensor..................8W-80-19
Instument Cluster - C1...............8W-80-19
Instument Cluster - C2...............8W-80-19
Intermittent Wipe/Wash Switch........8W-80-20
Key-In Switch......................8W-80-20
Knock Sensor......................8W-80-20
Left Airbag Impact Sensor.............8W-80-20
Left Back-Up Lamp..................8W-80-20
Left Door Lock Switch................8W-80-21
Left Door Window Motor..............8W-80-21
Left Fog Lamp......................8W-80-21
Left Front Door Lock Motor...........8W-80-21
Left Front Door Speaker..............8W-80-21
Left Front Wheel Speed Sensor.........8W-80-22
Left Headlamp.....................8W-80-22
Left Headlamp Leveling Motor.........8W-80-22
Left Instrument Panel Speaker
(Premium).......................8W-80-22
Left License Lamp...................8W-80-22
Left Park/Turn Signal Lamp...........8W-80-22
8W - 80 - 2 8W - 80 CONNECTOR PIN-OUTSPL