1998 DODGE RAM 1500 Cluster gauges

²Actuator Test- Each time the cluster is put
through the actuator test, the engine coolant temper-
ature gauge needle will be swept to several calibra-
tion points on the gauge scale in a prescribed
sequence in order to confirm the functionality of the
gauge and the cluster control circuitry.
On vehicles with a gasoline engine, the PCM con-
tinually monitors the engine coolant temperature
sensor to determine the engine operating tempera-
ture. On vehicles with a diesel engine, the ECM con-
tinually monitors the engine coolant temperature
sensor to determine the engine operating tempera-
ture. The PCM or ECM then sends the proper engine
coolant temperature messages to the instrument
cluster. For further diagnosis of the engine coolant
temperature gauge or the instrument cluster cir-
cuitry that controls the gauge, (Refer to 8 - ELEC-
TRICAL/INSTRUMENT CLUSTER - DIAGNOSIS
AND TESTING). If the instrument cluster turns on
the check gauges indicator due to a high engine tem-
perature gauge reading, it may indicate that the
engine or the engine cooling system requires service.
For proper diagnosis of the engine coolant tempera-
ture sensor, the PCM, the ECM, the PCI data bus, or
the electronic message inputs to the instrument clus-
ter that control the engine coolant temperature
gauge, a DRBIIItscan tool is required. Refer to the
appropriate diagnostic information.
ETC INDICATOR
DESCRIPTION
An Electronic Throttle Control (ETC) indicator is
standard equipment on all gasoline engine instru-
ment clusters (Fig. 16). However, on vehicles not
equipped with the optional 5.7 liter gasoline engine,
this indicator is electronically disabled. The ETC
indicator is located on the right side of the instru-
ment cluster, to the right of the engine temperature
gauge. The ETC indicator consists of a stencil-like
cutout of the International Control and Display Sym-
bol icon for ªElectronic Throttle Controlº in the
opaque layer of the instrument cluster overlay. The
dark outer layer of the overlay prevents the indicator
from being clearly visible when it is not illuminated.
A red Light Emitting Diode (LED) behind the cutout
in the opaque layer of the overlay causes the icon to
appear in red through the translucent outer layer of
the overlay when the indicator is illuminated from
behind by the LED, which is soldered onto theinstrument cluster electronic circuit board. The ETC
indicator is serviced as a unit with the instrument
cluster.
OPERATION
The Electronic Throttle Control (ETC) indicator
gives an indication to the vehicle operator when the
ETC system is faulty or inoperative. The ETC indi-
cator is controlled by a transistor on the instrument
cluster circuit board based upon cluster programming
and electronic messages received by the cluster from
the Powertrain Control Module (PCM) over the Pro-
grammable Communications Interface (PCI) data
bus. The ETC indicator Light Emitting Diode (LED)
is completely controlled by the instrument cluster
logic circuit, and that logic will only allow this indi-
cator to operate when the instrument cluster receives
a battery current input on the fused ignition switch
output (run-start) circuit. Therefore, the LED will
always be off when the ignition switch is in any posi-
tion except On or Start. The LED only illuminates
when it is provided a path to ground by the instru-
ment cluster transistor. The instrument cluster will
turn on the ETC indicator for the following reasons:
²Bulb Test- Each time the ignition switch is
turned to the On position the ETC indicator is illu-
minated for about six seconds. The entire six second
bulb test is a function of the PCM.
²ETC Lamp-On Message- Each time the clus-
ter receives a lamp-on message from the PCM, the
ETC indicator will be illuminated. The indicator can
be flashed on and off, or illuminated solid, as dic-
tated by the PCM message. The indicator remains
illuminated solid or continues to flash for about
twelve seconds or until the cluster receives a lamp-off
message from the PCM, whichever is longer. If the
indicator is illuminated solid with the engine run-
ning the vehicle will usually remain drivable. If the
indicator is flashing with the engine running the
vehicle may require towing. A flashing indicator
means the ETC system requires immediate service.
²Communication Error- If the cluster receives
no ETC lamp messages for three consecutive seconds,
the ETC indicator is illuminated. The indicator
remains illuminated until the cluster receives a sin-
gle lamp-off message from the PCM.
²Actuator Test- Each time the cluster is put
through the actuator test, the ETC indicator will be
turned on, then off again during the bulb check por-
tion of the test to confirm the functionality of the
LED and the cluster control circuitry. The actuator
test illumination of the ETC indicator is a function of
the PCM.
The PCM continually monitors the ETC system cir-
cuits and sensors to decide whether the system is in
good operating condition. The PCM then sends the
Fig. 16 ETC Indicator
DRINSTRUMENT CLUSTER 8J - 25
ENGINE TEMPERATURE GAUGE (Continued)

²Engine Oil Pressure Low Message- Each
time the cluster receives a message from the PCM or
ECM indicating the engine oil pressure is below
about 41 kPa (6 psi), the gauge needle is moved to
the graduation at the far left end of the gauge scale,
the check gauges indicator is illuminated, and a sin-
gle chime tone is generated. The gauge needle
remains at the left end of the gauge scale and the
check gauges indicator remains illuminated until the
cluster receives a message from the PCM or ECM
indicating that the engine oil pressure is above about
41 kPa (6 psi), or until the ignition switch is turned
to the Off position, whichever occurs first. The clus-
ter will only turn the check gauges indicator on in
response to an engine oil pressure low message if the
engine speed message is greater than zero.
²Communication Error- If the cluster fails to
receive an engine oil pressure message, it will hold
the gauge needle at the last indication about five sec-
onds or until the ignition switch is turned to the Off
position, whichever occurs first. After five seconds,
the cluster will move the gauge needle to the left end
of the gauge scale.
²Actuator Test- Each time the cluster is put
through the actuator test, the oil pressure gauge nee-
dle will be swept to several calibration points on the
gauge scale in a prescribed sequence in order to con-
firm the functionality of the gauge and the cluster
control circuitry.
On vehicles with a gasoline engine, the PCM con-
tinually monitors the engine oil pressure sensor to
determine the engine oil pressure. On vehicles with a
diesel engine, the ECM continually monitors the
engine oil pressure sensor to determine the engine oil
pressure. The PCM or ECM then sends the proper
engine oil pressure messages to the instrument clus-
ter. For further diagnosis of the oil pressure gauge or
the instrument cluster circuitry that controls the
gauge, (Refer to 8 - ELECTRICAL/INSTRUMENT
CLUSTER - DIAGNOSIS AND TESTING). If the
instrument cluster turns on the check gauges indica-
tor due to a low oil pressure gauge reading, it may
indicate that the engine or the engine oiling system
requires service. For proper diagnosis of the engine
oil pressure sensor, the PCM, the ECM, the PCI data
bus, or the electronic message inputs to the instru-
ment cluster that control the oil pressure gauge, a
DRBIIItscan tool is required. Refer to the appropri-
ate diagnostic information.
SEATBELT INDICATOR
DESCRIPTION
A seatbelt indicator is standard equipment on all
instrument clusters (Fig. 25). The seatbelt indicatoris located on the upper edge of the instrument clus-
ter, between the tachometer and the speedometer.
The seatbelt indicator consists of a stencil-like cutout
of the International Control and Display Symbol icon
for ªSeat Beltº in the opaque layer of the instrument
cluster overlay. The dark outer layer of the overlay
prevents the indicator from being clearly visible
when it is not illuminated. A red Light Emitting
Diode (LED) behind the cutout in the opaque layer of
the overlay causes the icon to appear in red through
the translucent outer layer of the overlay when the
indicator is illuminated from behind by the LED,
which is soldered onto the instrument cluster elec-
tronic circuit board. The seatbelt indicator is serviced
as a unit with the instrument cluster.
OPERATION
The seatbelt indicator gives an indication to the
vehicle operator of the status of the driver side front
seatbelt. This indicator is controlled by a transistor
on the instrument cluster circuit board based upon
cluster programming and a hard wired input from
the seatbelt switch in the driver side front seatbelt
buckle through the seat belt indicator driver circuit.
The seatbelt indicator also includes a programmable
enhanced seatbelt reminder or ªbeltminderº feature
that is enabled when the vehicle is shipped from the
factory. This beltminder feature can be disabled and
enabled by the customer using a specific program-
ming event sequence, or by the dealer using a
DRBIIItscan tool. The seatbelt indicator Light Emit-
ting Diode (LED) is completely controlled by the
instrument cluster logic circuit, and that logic will
only allow this indicator to operate when the instru-
ment cluster receives a battery current input on the
fused ignition switch output (run-start) circuit.
Therefore, the LED will always be off when the igni-
tion switch is in any position except On or Start. The
LED only illuminates when it is provided a path to
ground by the instrument cluster transistor. The
instrument cluster will turn on the seatbelt indicator
for the following reasons:
²Seatbelt Reminder Function- Each time the
cluster receives a battery current input on the fused
ignition switch output (run-start) circuit, the indica-
tor will be illuminated as a seatbelt reminder for
about six seconds, or until the ignition switch is
turned to the Off position, whichever occurs first.
This reminder function will occur regardless of the
status of the seatbelt switch input to the cluster.
²Driver Side Front Seatbelt Not Buckled -
Beltminder Active- Following the seatbelt
Fig. 25 Seatbelt Indicator
8J - 34 INSTRUMENT CLUSTERDR
OIL PRESSURE GAUGE (Continued)

OPERATION
The voltage gauge gives an indication to the vehi-
cle operator of the electrical system voltage. This
gauge is controlled by the instrument cluster circuit
board based upon cluster programming and elec-
tronic messages received by the cluster from the
Powertrain Control Module (PCM) on vehicles
equipped with a gasoline engine, or from the Engine
Control Module (ECM) on vehicles equipped with a
diesel engine over the Programmable Communica-
tions Interface (PCI) data bus. The voltage gauge is
an air core magnetic unit that receives battery cur-
rent on the instrument cluster electronic circuit
board through the fused ignition switch output (run-
start) circuit whenever the ignition switch is in the
On or Start positions. The cluster is programmed to
move the gauge needle back to the left end of the
scale after the ignition switch is turned to the Off
position. The instrument cluster circuitry controls
the gauge needle position and provides the following
features:
²System Voltage Message- Each time the clus-
ter receives a system voltage message from the PCM
or ECM indicating the system voltage is between
about 9.5 volts and about 15 volts, the gauge needle
is moved to the relative voltage position on the gauge
scale.
²System Voltage Low (Charge Fail) Message
- Each time the cluster receives three consecutive
messages from the PCM or ECM indicating the elec-
trical system voltage is less than about 9 volts
(charge fail condition), the gauge needle is moved to
the graduation on the far left end of the gauge scale
and the check gauges indicator is illuminated. The
gauge needle remains at the far left end of the gauge
scale and the check gauges indicator remains illumi-
nated until the cluster receives a single message
from the PCM or ECM indicating the electrical sys-
tem voltage is greater than about 9.5 volts (but less
than about 15.5 volts), or until the ignition switch is
turned to the Off position, whichever occurs first. On
vehicles equipped with the optional diesel engine, the
ECM is programmed to restrict the voltage gauge
needle to a position above the graduation on the far
left end of the gauge scale and suppress the check
engine indicator operation until after the engine
intake manifold air heater has completed a pre-heat
or post-heat cycle.²System Voltage High Message- Each time
the cluster receives three consecutive messages from
the PCM or ECM indicating the electrical system
voltage is greater than about 15.5 volts, the gauge
needle is moved to the graduation on the far right
end of the gauge scale and the check gauges indica-
tor is illuminated. The gauge needle remains at the
right end of the gauge scale and the check gauges
indicator remains illuminated until the cluster
receives a message from the PCM or ECM indicating
the electrical system voltage is less than about 15.0
volts (but greater than about 9.5 volts), or until the
ignition switch is turned to the Off position, which-
ever occurs first.
²Communication Error- If the cluster fails to
receive a system voltage message, it will hold the
gauge needle at the last indication for about five sec-
onds or until the ignition switch is turned to the Off
position, whichever occurs first. After five seconds,
the cluster will move the gauge needle to the far left
end of the gauge scale.
²Actuator Test- Each time the cluster is put
through the actuator test, the voltage gauge needle
will be swept to several calibration points on the
gauge scale in a prescribed sequence in order to con-
firm the functionality of the gauge and the cluster
control circuitry.
On vehicles with a gasoline engine, the PCM con-
tinually monitors the system voltage to control the
generator output. On vehicles with a diesel engine,
the ECM continually monitors the system voltage to
control the generator output. The PCM or ECM then
sends the proper system voltage messages to the
instrument cluster. For further diagnosis of the volt-
age gauge or the instrument cluster circuitry that
controls the gauge, (Refer to 8 - ELECTRICAL/IN-
STRUMENT CLUSTER - DIAGNOSIS AND TEST-
ING). If the instrument cluster turns on the check
gauges indicator due to a charge fail or voltage high
condition, it may indicate that the charging system
requires service. For proper diagnosis of the charging
system, the PCM, the ECM, the PCI data bus, or the
electronic message inputs to the instrument cluster
that control the voltage gauge, a DRBIIItscan tool is
required. Refer to the appropriate diagnostic infor-
mation.
DRINSTRUMENT CLUSTER 8J - 43
VOLTAGE GAUGE (Continued)

CASE - NV271 - DESCRIPTION,
TRANSFER.........................21-447
CASE - NV271 - DIAGNOSIS AND
TESTING, TRANSFER.................21-448
CASE - NV271 - DISASSEMBLY,
TRANSFER.........................21-450
CASE - NV271 - INSPECTION, TRANSFER . 21-459
CASE - NV271 - INSTALLATION,
TRANSFER.........................21-473
CASE - NV271 - OPERATION, TRANSFER . 21-448
CASE - NV271 - REMOVAL, TRANSFER . . 21-450
CASE - NV273 - ASSEMBLY, TRANSFER . . 21-556
CASE - NV273 - CLEANING, TRANSFER . . 21-554
CASE - NV273 - DESCRIPTION,
TRANSFER.........................21-542
CASE - NV273 - DIAGNOSIS AND
TESTING, TRANSFER.................21-543
CASE - NV273 - DISASSEMBLY,
TRANSFER.........................21-544
CASE - NV273 - INSPECTION, TRANSFER . 21-554
CASE - NV273 - INSTALLATION,
TRANSFER.........................21-568
CASE - NV273 - OPERATION, TRANSFER . 21-543
CASE - NV273 - REMOVAL, TRANSFER . . 21-544
CASE BEARINGS - INSTALLATION,
DIFFERENTIAL.....3-106,3-134,3-161,3-48,3-75
CASE BEARINGS - REMOVAL,
DIFFERENTIAL.....3-105,3-134,3-161,3-48,3-75
CASE CONTROL MODULE -
DESCRIPTION, TRANSFER.............8E-16
CASE CONTROL MODULE - OPERATION,
TRANSFER..........................8E-16
CASE, NV241 GENII - TRANSFER.......21-438
CASE, NV241/NV243 - TRANSFER......21-439
CASE, NV243 - TRANSFER......21-505,21-506
CASE, NV244 GENII - TRANSFER.......21-535
CASE, NV271 - TRANSFER............21-473
CASE NV271/NV273, SPECIAL TOOLS -
TRANSFER...................21-474,21-569
CASE, NV273 - TRANSFER............21-568
CASE SKID PLATE - INSTALLATION,
TRANSFER..........................13-26
CASE SKID PLATE - REMOVAL,
TRANSFER..........................13-26
CASTER ADJUSTMENT - STANDARD
PROCEDURE, CAMBER..................2-4
CASTER AND TOE ADJUSTMENT -
STANDARD PROCEDURE, CAMBER........2-4
CATALYTIC CONVERTER - DESCRIPTION . . . 11-6
CATALYTIC CONVERTER - OPERATION.....11-6
CATCH - INSTALLATION, LATCH STRIKER
/ SECONDARY.......................23-48
CATCH - REMOVAL, LATCH STRIKER /
SECONDARY........................23-47
CAUTION - A/C SYSTEM...............24-43
CAUTION, HALF SHAFT.................3-20
CAUTION, INTERIOR..................23-62
CENTER - DESCRIPTION, ELECTRONIC
VEHICLE INFO.......................8M-7
CENTER - DIAGNOSIS AND TESTING,
ELECTRONIC VEHICLE INFORMATION.....8M-8
CENTER - INSTALLATION, ELECTRONIC
VEHICLE INFO.......................8M-9
CENTER & LEFT OUTBOARD -
INSTALLATION......................8O-50
CENTER & LEFT OUTBOARD - REMOVAL
. . 8O-48
CENTER - OPERATION, ELECTRONIC
VEHICLE INFO
.......................8M-7
CENTER - REMOVAL, ELECTRONIC
VEHICLE INFO
.......................8M-9
CENTER ANCHOR & RIGHT OUTBOARD -
INSTALLATION
......................8O-50
CENTER ANCHOR & RIGHT OUTBOARD -
REMOVAL
..........................8O-49
CENTER ARMREST / SEAT BACK -
INSTALLATION
.......................23-77
CENTER ARMREST / SEAT BACK -
REMOVAL
..........................23-76
CENTER BEARING - ADJUSTMENTS
........3-9
CENTER BEARING - INSTALLATION
........3-9
CENTER BEARING - REMOVAL
............3-9
CENTER BEZEL - INSTALLATION,
INSTRUMENT PANEL
..................23-57
CENTER BEZEL - REMOVAL,
INSTRUMENT PANEL
..................23-57
CENTER HIGH MOUNTED STOP LAMP -
INSTALLATION
.......................8L-11CENTER HIGH MOUNTED STOP LAMP -
REMOVAL..........................8L-11
CENTER HIGH MOUNTED STOP LAMP
UNIT - INSTALLATION.................8L-11
CENTER HIGH MOUNTED STOP LAMP
UNIT - REMOVAL....................8L-11
CENTER PROGRAMMING - STANDARD
PROCEDURE, ELECTRONIC VEHICLE
INFORMATION.......................8M-8
CENTER SEAT - INSTALLATION..........23-76
CENTER SEAT - REMOVAL.............23-75
CENTER SEAT BACK HINGE -
INSTALLATION.......................23-79
CENTER SEAT BACK HINGE - REMOVAL . . . 23-78
CENTER SEAT BACK INERTIA HINGE
COVER - INSTALLATION...............23-77
CENTER SEAT BACK INERTIA HINGE
COVER - REMOVAL...................23-77
CENTER SEAT BACK LID - INSTALLATION . 23-79
CENTER SEAT BACK LID - REMOVAL.....23-79
CENTER SEAT BELT - INSTALLATION,
FRONT.............................8O-31
CENTER SEAT BELT - REMOVAL, FRONT . . 8O-30
CENTER SEAT BELT & RETRACTOR -
INSTALLATION, FRONT................8O-29
CENTER SEAT BELT & RETRACTOR -
INSTALLATION, REAR.................8O-45
CENTER SEAT BELT & RETRACTOR -
REMOVAL, FRONT....................8O-29
CENTER SEAT BELT & RETRACTOR -
REMOVAL, REAR....................8O-44
CENTER SEAT CUSHION - INSTALLATION . . . 23-79
CENTER SEAT CUSHION - REMOVAL.....23-79
CENTER SEAT CUSHION COVER -
INSTALLATION.......................23-79
CENTER SEAT CUSHION COVER -
REMOVAL..........................23-79
CENTERING - STANDARD PROCEDURE,
CLOCKSPRING......................8O-19
CERTIFICATION LABEL - DESCRIPTION,
VEHICLE.........................Intro.-11
CHAIN COVER(S) - INSTALLATION,
TIMING BELT....................9-171,9-81
CHAIN COVER(S) - REMOVAL, TIMING
BELT ..........................9-170,9-81
CHAIN WEAR - STANDARD PROCEDURE,
MEASURING TIMING..................9-167
CHAIN WEAR, STANDARD PROCEDURE -
MEASURING TIMING...................9-77
CHAIN/TENSIONER - DESCRIPTION,
TIMING............................9-229
CHAIN/TENSIONER - OPERATION,
TIMING............................9-229
CHANNEL - INSTALLATION, GLASS RUN . . 23-22,
23-31
CHANNEL - REMOVAL, GLASS RUN . 23-21,23-30
CHARGE - STANDARD PROCEDURE,
REFRIGERANT SYSTEM...............24-47
CHARGE AIR COOLER AND PLUMBING -
CLEANING..........................11-17
CHARGE AIR COOLER AND PLUMBING -
DESCRIPTION.......................11-16
CHARGE AIR COOLER AND PLUMBING -
INSPECTION........................11-17
CHARGE AIR COOLER AND PLUMBING -
INSTALLATION.......................11-17
CHARGE AIR COOLER AND PLUMBING -
OPERATION
.........................11-16
CHARGE AIR COOLER AND PLUMBING -
REMOVAL
..........................11-17
CHARGE AIR COOLER SYSTEM - LEAKS
- DIAGNOSIS AND TESTING
............11-16
CHARGING - DESCRIPTION
.............8F-19
CHARGING - OPERATION
..............8F-19
CHARGING - STANDARD PROCEDURE,
BATTERY
............................8F-8
CHARGING SYSTEM - DIAGNOSIS AND
TESTING
...........................8F-19
CHARGING SYSTEM - SPECIFICATIONS,
TORQUE - GENERATOR
................8F-20
CHART - SPECIFICATIONS, TORQUE
........5-8
CHART, SPECIFICATIONS - TORQUE
.......5-46
CHART, SPECIFICATIONS - TORQUE
.....19-19,
19-23,19-35,19-42
CHART, SPECIFICATIONS - TORQUE
. . 2-10,2-29,
2-42
CHART, SPECIFICATIONS - TORQUE
......22-13CHARTS - DIAGNOSIS AND TESTING,
DIAGNOSIS........................21-145
CHARTS - DIAGNOSIS AND TESTING,
SMOKE DIAGNOSIS...................9-236
CHECK - STANDARD PROCEDURE,
COOLANT LEVEL......................7-17
CHECK - STANDARD PROCEDURE, FLUID
LEVEL......................21-202,21-366
CHECK - STANDARD PROCEDURE, OIL
PUMP VOLUME.....................21-387
CHECK CABLE - INSTALLATION.........23-15
CHECK CABLE - REMOVAL.............23-15
CHECK GAUGES INDICATOR -
DESCRIPTION.......................8J-21
CHECK GAUGES INDICATOR -
OPERATION.........................8J-21
CHECK VALVE - DESCRIPTION...........8R-7
CHECK VALVE - INSTALLATION..........8R-8
CHECK VALVE - OPERATION.............8R-8
CHECK VALVE - REMOVAL..............8R-8
CHILD RESTRAINT ANCHOR -
DESCRIPTION.......................8O-15
CHILD RESTRAINT ANCHOR -
INSTALLATION......................8O-18
CHILD RESTRAINT ANCHOR -
OPERATION.........................8O-17
CHILD RESTRAINT ANCHOR - REMOVAL . . 8O-17
CHIME WARNING SYSTEM -
DESCRIPTION........................8B-1
CHIME WARNING SYSTEM - DIAGNOSIS
AND TESTING........................8B-3
CHIME WARNING SYSTEM - OPERATION . . . 8B-1
CIGAR LIGHTER OUTLET -
DESCRIPTION.....................8W-97-2
CIGAR LIGHTER OUTLET - DIAGNOSIS
AND TESTING.....................8W-97-2
CIGAR LIGHTER OUTLET - OPERATION . 8W-97-2
CIRCUIT - DIAGNOSIS AND TESTING,
AMBIENT TEMPERATURE SENSOR......8M-10
CIRCUIT - OPERATION, FUEL DRAIN.....14-67
CIRCUIT ACTUATION TEST MODE -
DESCRIPTION........................25-1
CIRCUIT FUNCTIONS - DESCRIPTION . . 8W-01-6
CIRCUIT INFORMATION - DESCRIPTION . 8W-01-5
CIRCUIT SENSE - DESCRIPTION,
IGNITION...........................8E-10
CIRCUIT SENSE - OPERATION, IGNITION . . 8E-11
CIRCUITS - OPERATION, NON-
MONITORED.........................25-8
CLAMPS - DESCRIPTION, HOSE...........7-3
CLAMPS - OPERATION, HOSE.............7-5
CLEANING/REVERSE FLUSHING -
STANDARD PROCEDURE, COOLING
SYSTEM............................7-17
CLEARANCE - STANDARD PROCEDURE,
CONNECTING ROD BEARING AND
CRANKSHAFT JOURNAL...............9-272
CLEARANCE - STANDARD PROCEDURE,
MAIN BEARING......................9-274
CLEARANCE LAMP - INSTALLATION, CAB . 8L-12
CLEARANCE LAMP - REMOVAL, CAB.....8L-11
CLOCKSPRING - DESCRIPTION.........8O-18
CLOCKSPRING - INSTALLATION.........8O-21
CLOCKSPRING - OPERATION...........8O-19
CLOCKSPRING - REMOVAL............8O-20
CLOCKSPRING CENTERING - STANDARD
PROCEDURE........................8O-19
CLUSTER - ASSEMBLY, INSTRUMENT....8J-15
CLUSTER - DESCRIPTION, INSTRUMENT . . . 8J-2
CLUSTER - DIAGNOSIS AND TESTING,
INSTRUMENT........................8J-10
CLUSTER - DISASSEMBLY, INSTRUMENT . . 8J-14
CLUSTER - INSTALLATION, INSTRUMENT . 8J-16
CLUSTER - OPERATION, INSTRUMENT.....8J-6
CLUSTER - REMOVAL, INSTRUMENT.....8J-14
CLUSTER BEZEL - INSTALLATION........23-49
CLUSTER BEZEL - REMOVAL...........23-49
CLUTCH - 5.9L DIESEL - DESCRIPTION,
FAN DRIVE VISCOUS...................7-52
CLUTCH - 5.9L DIESEL - OPERATION,
FAN DRIVE VISCOUS...................7-52
CLUTCH - ASSEMBLY, FRONT..........21-207
CLUTCH - ASSEMBLY, LOW/REVERSE . . . 21-385
CLUTCH - ASSEMBLY, REAR
...........21-249
CLUTCH - CLEANING, LOW/REVERSE
....21-385
CLUTCH - CLEANING, REAR
...........21-248
CLUTCH - DESCRIPTION, FRONT
.......21-205
CLUTCH - DESCRIPTION, OVERDRIVE
. . . 21-217
6 INDEXDR
Description Group-Page Description Group-Page Description Group-Page

IGNITION CIRCUIT SENSE -
DESCRIPTION.......................8E-10
IGNITION CIRCUIT SENSE - OPERATION . . 8E-11
IGNITION COIL - DESCRIPTION..........8I-11
IGNITION COIL - INSTALLATION.........8I-14
IGNITION COIL - OPERATION............8I-12
IGNITION COIL - REMOVAL.............8I-13
IGNITION COIL CAPACITOR -
DESCRIPTION........................8I-21
IGNITION COIL CAPACITOR -
INSTALLATION.......................8I-21
IGNITION COIL CAPACITOR - OPERATION . . 8I-21
IGNITION COIL CAPACITOR - REMOVAL . . . 8I-21
IGNITION COIL RESISTANCE, 3.7L V-6.....8I-5
IGNITION COIL RESISTANCE, 4.7L V-8.....8I-5
IGNITION COIL RESISTANCE, 5.7L V-8.....8I-5
IGNITION CONTROL - DESCRIPTION.......8I-1
IGNITION SWITCH - DESCRIPTION........19-9
IGNITION SWITCH - DESCRIPTION,
KEY-IN.............................19-11
IGNITION SWITCH - DIAGNOSIS AND
TESTING............................19-9
IGNITION SWITCH - INSTALLATION......19-11
IGNITION SWITCH - OPERATION.........19-9
IGNITION SWITCH - REMOVAL..........19-10
IGNITION SWITCH AND KEY LOCK
CYLINDER - DIAGNOSIS AND TESTING . . . 19-11
IGNITION TIMING, SPECIFICATIONS.......8I-5
IGNITION-OFF DRAW TEST - STANDARD
PROCEDURE........................8F-11
IMMOBILIZER MODULE - DESCRIPTION,
SENTRY KEY........................8E-13
IMMOBILIZER MODULE - INSTALLATION,
SENTRY KEY........................8E-15
IMMOBILIZER MODULE - OPERATION,
SENTRY KEY........................8E-13
IMMOBILIZER MODULE - REMOVAL,
SENTRY KEY........................8E-15
IMMOBILIZER MODULE (SKIM) -
DESCRIPTION, SENTRY KEY.............8Q-1
IMMOBILIZER MODULE (SKIM) -
OPERATION, SENTRY KEY..............8Q-2
IMMOBILIZER SYSTEM INDICATOR
LAMP - DESCRIPTION, SENTRY KEY......8Q-5
IMMOBILIZER SYSTEM INDICATOR
LAMP - OPERATION, SENTRY KEY........8Q-5
IMMOBILIZER SYSTEM INITIALIZATION,
STANDARD PROCEDURE - SENTRY
KEY................................8Q-3
IMMOBILIZER SYSTEM (SKIS) -
DESCRIPTION, SENTRY KEY.............8Q-1
IMMOBILIZER SYSTEM (SKIS) -
OPERATION, SENTRY KEY..............8Q-2
IMMOBILIZER SYSTEM TRANSPONDER
PROGRAMMING, STANDARD
PROCEDURE - SENTRY KEY.............8Q-4
IMPACT SENSOR - DESCRIPTION, SIDE . . 8O-59
IMPACT SENSOR - OPERATION, SIDE....8O-59
INCORRECT FLUID LEVEL - DIAGNOSIS
AND TESTING, EFFECTS OF......21-201,21-366
INDEPENDENT FRONT SUSPENSION -
DESCRIPTION, GEAR..................19-17
INDEPENDENT FRONT SUSPENSION -
INSTALLATION, GEAR.................19-18
INDEPENDENT FRONT SUSPENSION -
REMOVAL, GEAR.....................19-17
INDICATOR - DESCRIPTION, ABS........8J-17
INDICATOR - DESCRIPTION, AIRBAG.....8J-18
INDICATOR - DESCRIPTION, BRAKE/
PARK BRAKE........................8J-19
INDICATOR - DESCRIPTION, CARGO
LAMP
..............................8J-20
INDICATOR - DESCRIPTION, CHECK
GAUGES
............................8J-21
INDICATOR - DESCRIPTION, CRUISE
.....8J-22
INDICATOR - DESCRIPTION, DOOR AJAR
. . 8J-23
INDICATOR - DESCRIPTION, ETC
........8J-25
INDICATOR - DESCRIPTION, GEAR
SELECTOR
..........................8J-27
INDICATOR - DESCRIPTION, HIGH BEAM
. . 8J-28
INDICATOR - DESCRIPTION, LAMP OUT
. . . 8J-29
INDICATOR - DESCRIPTION, LOW FUEL
. . . 8J-30
INDICATOR - DESCRIPTION, SEATBELT
. . . 8J-34
INDICATOR - DESCRIPTION, SECURITY
. . . 8J-35
INDICATOR - DESCRIPTION, SERVICE
4WD
...............................8J-36
INDICATOR - DESCRIPTION, TOW/HAUL
. . . 8J-39INDICATOR - DESCRIPTION, TRANS
TEMP..............................8J-40
INDICATOR - DESCRIPTION, TURN
SIGNAL............................8J-40
INDICATOR - DESCRIPTION, UPSHIFT....8J-41
INDICATOR - DESCRIPTION, WAIT-TO-
START .............................8J-44
INDICATOR - DESCRIPTION, WASHER
FLUID..............................8J-44
INDICATOR - DESCRIPTION, WATER-IN-
FUEL..............................8J-45
INDICATOR - DIAGNOSIS AND TESTING,
BRAKE.............................8J-20
INDICATOR - OPERATION, ABS..........8J-17
INDICATOR - OPERATION, AIRBAG.......8J-18
INDICATOR - OPERATION, BRAKE/PARK
BRAKE.............................8J-19
INDICATOR - OPERATION, CARGO LAMP . . 8J-20
INDICATOR - OPERATION, CHECK
GAUGES............................8J-21
INDICATOR - OPERATION, CRUISE.......8J-22
INDICATOR - OPERATION, DOOR AJAR . . . 8J-23
INDICATOR - OPERATION, ETC..........8J-25
INDICATOR - OPERATION, GEAR
SELECTOR..........................8J-27
INDICATOR - OPERATION, HIGH BEAM....8J-28
INDICATOR - OPERATION, LAMP OUT....8J-29
INDICATOR - OPERATION, LOW FUEL.....8J-30
INDICATOR - OPERATION, SEATBELT.....8J-34
INDICATOR - OPERATION, SECURITY......8J-36
INDICATOR - OPERATION, SERVICE 4WD . . 8J-37
INDICATOR - OPERATION, TOW/HAUL....8J-39
INDICATOR - OPERATION, TRANS TEMP . . 8J-40
INDICATOR - OPERATION, TURN SIGNAL . . 8J-41
INDICATOR - OPERATION, UPSHIFT......8J-42
INDICATOR - OPERATION, WAIT-TO-
START .............................8J-44
INDICATOR - OPERATION, WASHER
FLUID..............................8J-44
INDICATOR - OPERATION, WATER-IN-
FUEL..............................8J-45
INDICATOR LAMP - DESCRIPTION,
SENTRY KEY IMMOBILIZER SYSTEM......8Q-5
INDICATOR LAMP - OPERATION,
SENTRY KEY IMMOBILIZER SYSTEM......8Q-5
INDICATOR LAMP (MIL) - DESCRIPTION,
MALFUNCTION.......................8J-31
INDICATOR LAMP (MIL) - OPERATION,
MALFUNCTION.......................8J-31
INDICATOR TEST - STANDARD
PROCEDURE, BUILT-IN................8F-10
INDICATORS - DIAGNOSIS AND
TESTING, TREAD WEAR................22-8
INERTIA HINGE COVER - INSTALLATION,
CENTER SEAT BACK..................23-77
INERTIA HINGE COVER - REMOVAL,
CENTER SEAT BACK..................23-77
INFLATION PRESSURES - DESCRIPTION,
TIRE................................22-7
INFO CENTER - DESCRIPTION,
ELECTRONIC VEHICLE.................8M-7
INFO CENTER - INSTALLATION,
ELECTRONIC VEHICLE.................8M-9
INFO CENTER - OPERATION,
ELECTRONIC VEHICLE.................8M-7
INFO CENTER - REMOVAL, ELECTRONIC
VEHICLE............................8M-9
INITIAL OPERATION - STANDARD
PROCEDURE, POWER STEERING
PUMP.............................19-40
INITIALIZATION, STANDARD PROCEDURE
- SENTRY KEY IMMOBILIZER SYSTEM....8Q-3
INJECTED RINGS - ASSEMBLY, WITH......3-13
INJECTED RINGS - DISASSEMBLY, WITH . . . 3-11
INJECTION PUMP - DESCRIPTION, FUEL . . 14-53
INJECTION PUMP - INSTALLATION, FUEL . 14-55
INJECTION PUMP - OPERATION, FUEL....14-53
INJECTION PUMP - REMOVAL, FUEL.....14-54
INJECTION PUMP TIMING - DIAGNOSIS
AND TESTING, FUEL..................14-53
INJECTOR - DESCRIPTION, FUEL . . . 14-26,14-74
INJECTOR - INSTALLATION, FUEL........14-77
INJECTOR - OPERATION, FUEL
.....14-26,14-74
INJECTOR - REMOVAL, FUEL
...........14-75
INJECTOR FIRING ORDER, DIESEL -
FUEL
..............................14-48
INJECTOR RAIL - DESCRIPTION, FUEL
....14-78
INJECTOR RAIL - INSTALLATION, FUEL
. . . 14-78INJECTOR RAIL - OPERATION, FUEL.....14-78
INJECTOR RAIL - REMOVAL, FUEL.......14-78
INLET AIR TEMPERATURE SENSOR/
PRESSURE SENSOR - DESCRIPTION.....14-79
INLET AIR TEMPERATURE SENSOR/
PRESSURE SENSOR - INSTALLATION.....14-79
INLET AIR TEMPERATURE SENSOR/
PRESSURE SENSOR - OPERATION.......14-79
INLET AIR TEMPERATURE SENSOR/
PRESSURE SENSOR - REMOVAL........14-79
INLET FILTER - INSTALLATION..........14-20
INLET FILTER - REMOVAL..............14-20
INLET HOSE - INSTALLATION, HEATER....24-64
INLET HOSE - REMOVAL, HEATER.......24-64
INNER BELT MOLDING - INSTALLATION,
FRONT DOOR.......................23-93
INNER BELT MOLDING - INSTALLATION,
REAR DOOR........................23-94
INNER BELT MOLDING - REMOVAL,
FRONT DOOR.......................23-93
INNER BELT MOLDING - REMOVAL,
REAR DOOR........................23-94
INPUT - OPERATION, ASD SENSE - PCM . . . 8I-5
INPUT CLUTCH ASSEMBLY - ASSEMBLY . 21-378
INPUT CLUTCH ASSEMBLY -
DESCRIPTION......................21-373
INPUT CLUTCH ASSEMBLY -
DISASSEMBLY......................21-374
INPUT CLUTCH ASSEMBLY - OPERATION . 21-373
INPUT SHAFT SEAL - INSTALLATION,
STEERING GEAR.......................19-29
INPUT SHAFT SEAL - REMOVAL,
STEERING GEAR.....................19-27
INPUT SPEED SENSOR - DESCRIPTION . . 21-382
INPUT SPEED SENSOR - INSTALLATION . 21-382
INPUT SPEED SENSOR - OPERATION....21-382
INPUT SPEED SENSOR - REMOVAL.....21-382
INSERTS - INSTALLATION, SPRING TIP....2-45
INSERTS - REMOVAL, SPRING TIP........2-44
INSIDE HANDLE ACTUATOR -
INSTALLATION..................23-22,23-32
INSIDE HANDLE ACTUATOR - REMOVAL . . 23-22,
23-31
INSTRUMENT CLUSTER - ASSEMBLY.....8J-15
INSTRUMENT CLUSTER - DESCRIPTION . . . 8J-2
INSTRUMENT CLUSTER - DIAGNOSIS
AND TESTING.......................8J-10
INSTRUMENT CLUSTER - DISASSEMBLY . . 8J-14
INSTRUMENT CLUSTER - INSTALLATION . . 8J-16
INSTRUMENT CLUSTER - OPERATION.....8J-6
INSTRUMENT CLUSTER - REMOVAL.....8J-14
INSTRUMENT PANEL ANTENNA CABLE -
INSTALLATION.......................8A-7
INSTRUMENT PANEL ANTENNA CABLE -
REMOVAL...........................8A-7
INSTRUMENT PANEL ASSEMBLY -
INSTALLATION.......................23-55
INSTRUMENT PANEL ASSEMBLY -
REMOVAL..........................23-52
INSTRUMENT PANEL CENTER BEZEL -
INSTALLATION.......................23-57
INSTRUMENT PANEL CENTER BEZEL -
REMOVAL..........................23-57
INSTRUMENT PANEL DEMISTER DUCTS
- INSTALLATION.....................24-37
INSTRUMENT PANEL DEMISTER DUCTS
- REMOVAL.........................24-36
INSTRUMENT PANEL DRIVER SIDE
BEZEL - INSTALLATION................23-58
INSTRUMENT PANEL DRIVER SIDE
BEZEL - REMOVAL...................23-58
INSTRUMENT PANEL DUCTS -
INSTALLATION.......................24-37
INSTRUMENT PANEL DUCTS - REMOVAL . 24-37
INSTRUMENT PANEL HEADLAMP
SWITCH BEZEL - INSTALLATION.........23-56
INSTRUMENT PANEL HEADLAMP
SWITCH BEZEL - REMOVAL............23-56
INSTRUMENT PANEL LOWER
SURROUND - INSTALLATION...........23-59
INSTRUMENT PANEL LOWER
SURROUND - REMOVAL
...............23-59
INSTRUMENT PANEL TOP COVER -
INSTALLATION
.......................23-59
INSTRUMENT PANEL TOP COVER -
REMOVAL
..........................23-58
INTAKE AIR HEATER - DESCRIPTION
.....14-80
INTAKE AIR HEATER - INSTALLATION
.....14-80
DRINDEX 17
Description Group-Page Description Group-Page Description Group-Page