1995 JEEP CHEROKEE dash

EMISSION CONTROLS
INDEX
page page
Crankcase Ventilation System................. 5
EVAP (Evaporation) Control System............ 4
EVAP Canister............................ 4Fuel Tank Filler Tube Cap.................... 4
Oxygen (O2S) Sensor....................... 6
Pressure Relief/Rollover Valve................. 6
EVAP (EVAPORATION) CONTROL SYSTEM
GENERAL INFORMATION
The function of the EVAP control system is to pre-
vent the emissions of gasoline vapors from the fuel
tank into the atmosphere. When fuel evaporates in
the fuel tank, the vapors pass through vent hoses or
tubes to a carbon filled EVAP canister. They are tem-
porarily held in the canister until they can be drawn
into the intake manifold when the engine is running.
The EVAP canister is a feature on all models for
the storage of fuel vapors from the fuel tank.
The hoses used in this system are specially
manufactured. If replacement becomes neces-
sary, it is important to use only fuel resistant
hose.
EVAP CANISTER
A sealed, maintenance free, EVAP canister is used
on all vehicles. On XJ models, the EVAP canister is
located in the engine compartment on the passenger
side frame rail (Fig. 4). On YJ models, the EVAP can-
ister is located in the engine compartment on the
dash panel and below the brake master cylinder (Fig.
5). The EVAP canister is filled with granules of an
activated carbon mixture. Fuel vapors entering the
EVAP canister are absorbed by the charcoal granules.
CANISTER OPERATION
Vacuum is used to control and operate the
EVAP canister. No electrical circuitry is used to
control or operate the EVAP system.
The EVAP canister is equipped with a vacuum con-
trolled purge shutoff switch (orifice) (Figs. 4 or 5)
that controls canister purge operation. The switch is
open when manifold vacuum is applied to it. When
the engine is operating, the EVAP canister purge
function draws fresh air through the top of the can-
ister. This causes the stored vapors to be drawn out
of the canister and into the airstream in the air
cleaner snorkel (Fig. 6).
The air cleaner contains a venturi in the air
cleaner cover used as a purge line vacuum source
(Fig. 6). The venturi effect increases the speed of the
intake air flowing by the slots in the venturi wall.
This creates a low pressure area around the slots.
When the purge shutoff switch is open, vapors from
the canister are drawn through slots and into the air-
stream flowing through the venturi (Fig. 7). The va-
pors pass through the intake manifold into the
engine combustion chambers where they are con-
sumed during engine combustion.
FUEL TANK FILLER TUBE CAP
The fuel tank filler tube cap (fuel tank cap) incor-
porates a two-way pressure/relief valve that is closed
to atmosphere during normal operating conditions.Fig. 4 EVAP Canister LocationÐXJ Models
Fig. 5 EVAP Canister LocationÐYJ Models
25 - 4 EMISSION CONTROL SYSTEMSJ

The relief valve used in fuel filler caps of all models
is calibrated at a pressure of 10 kPa (1.5 psi) or a
vacuum of 6 kPa (1.8 in. Hg). When the pressure or
vacuum is relieved, the valve returns to the normally
closed position.
CAUTION: The fuel filler cap must be removed prior
to disconnecting any fuel system component.
CRANKCASE VENTILATION SYSTEM
All 2.5L 4 cylinder and 4.0L 6 cylinder engines are
equipped with a Crankcase Ventilation (CCV) system(Figs. 8 or 9). The CCV system performs the same
function as a conventional PCV system, but does not
use a vacuum controlled valve.
On 4.0L 6 cylinder engines, a molded vacuum tube
connects manifold vacuum to top of cylinder head
(valve) cover at dash panel end. The vacuum tube
contains a fixed orifice of a calibrated size. It meters
the amount of crankcase vapors drawn out of the en-
gine.
On 2.5L 4 cylinder engines, a fitting on drivers side
of cylinder head (valve) cover contains the metered
orifice. It is connected to manifold vacuum.
A fresh air supply hose from the air cleaner is con-
nected to front of cylinder head cover on 4.0L en-
gines. It is connected to rear of cover on 2.5L
engines.
When the engine is operating, fresh air enters the
engine and mixes with crankcase vapors. Manifold
vacuum draws the vapor/air mixture through the
fixed orifice and into the intake manifold. The vapors
are then consumed during combustion.
Fig. 6 EVAP SystemÐTypical
Fig. 7 Air Cleaner VenturiÐTypical
Fig. 8 CCV SystemÐ2.5L EngineÐTypical
Fig. 9 CCV SystemÐ4.0L EngineÐTypical
JEMISSION CONTROL SYSTEMS 25 - 5

COMPONENT REMOVAL/INSTALLATION
INDEX
page page
Air Cleaner Element........................ 7
Coolant Temperature Sensor.................. 7
EVAP Canister............................ 7
Fuel Tank Filler Tube Cap.................... 7Oxygen (O2S) Sensor....................... 7
Powertrain Control Module (PCM).............. 7
Pressure Relief/Rollover Valve................. 7
AIR CLEANER ELEMENT
For removal and installation procedures of both the
air cleaner housing and the air cleaner element, refer
to the Group 14, Fuel System.
COOLANT TEMPERATURE SENSOR
For description, operation, diagnosis and removal/
installation procedures of the engine coolant temper-
ature sensor, refer to Group 14, Fuel Systems.
EVAP CANISTER
On XJ models, the EVAP canister is located in the
engine compartment on the passenger side frame rail
(Fig. 1). On YJ models, the EVAP canister is located
in the engine compartment on the dash panel and be-
low the brake master cylinder (Fig. 2).
REMOVAL/INSTALLATION
(1) Disconnect the vacuum lines at the EVAP can-
ister. Note location of lines before removal.(2) Remove canister retaining strap bolt.
(3) Remove canister from vehicle.
Reverse the procedure for installation.
FUEL TANK FILLER TUBE CAP
If replacement of the fuel filler tube cap (fuel tank
cap) is necessary, it must be replaced with aniden-
tical capto be sure of correct system operation.
OXYGEN (O2S) SENSOR
For description, operation, diagnosis and removal/
installation procedures of the O2S sensor, refer to
Group 14, Fuel Systems.
POWERTRAIN CONTROL MODULE (PCM)
For removal and installation procedures, refer to
Group 14, Fuel Systems.
PRESSURE RELIEF/ROLLOVER VALVE
For removal and installation procedures, refer to
the Fuel Tank section of Group 14, Fuel Systems.
Fig. 1 EVAP CanisterÐXJ Models
Fig. 2 EVAP CanisterÐYJ Models
JEMISSION CONTROL SYSTEMS 25 - 7

VEHICLE SAFETY CERTIFICATION LABEL
A vehicle safety certification label (Fig. 1) is at-
tached to every Jeep vehicle. The label certifies that
the vehicle conforms to all applicable Federal Motor
Vehicle Safety Standards. The label also lists:
²Gross vehicle weight rating (GVWR) and the gross
front and rear axle weight ratings (GAWR's) based on
a minimum tire rim size and a maximum cold tire
inflation pressure.
²Month and year of vehicle manufacture.
²Vehicle identification number (VIN).
²Type of vehicle.
²Month, day and hour (MDH) of final assembly.
The label is located on the driver-side door shut-
face.
VEHICLE IDENTIFICATION NUMBER (VIN) PLATE
The Vehicle Identification Number (VIN) plate islocated on the lower windshield fence near the left
A-pillar. The VIN contains 17 characters that provide
data concerning the vehicle. Refer to the VIN decod-
ing chart to determine the identification of a vehicle.
The Vehicle Identification Number is also imprinted
on the:
²Body Code Plate.
²Vehicle Safety Certification Label.
²Frame rail.
To protect the consumer from theft and possible
fraud the manufacturer is required to include a
Check Digit at the ninth position of the Vehicle Iden-
tification Number. The check digit is used by the
manufacturer and government agencies to verify the
authenticity of the vehicle and official documentation.
The formula to use the check digit is not released to
the general public.
VEHICLE CODE PLATE
A metal vehicle code plate is attached to the left
(driver) side of the dash panel in the engine compart-
ment (Fig. 2). There can be a maximum of seven rows
of vehicle information imprinted on the plate. The
information should be read from left to right, starting
with line 1 at the bottom of the plate up through line
7 (as applicable) at the top of the code plate.
Refer to the decoding chart to decode lines 1 up
through 3.
Lines 4 through 7 (if used) on the vehicle code plate
are imprinted on the plate (in sequence) according to
the following:
VEHICLE IDENTIFICATION NUMBER (VIN) DECODING
Fig. 1 Vehicle Safety Certification LabelÐTypical
4 INTRODUCTIONJ

CYLINDER COMBUSTION PRESSURE
LEAKAGE TEST DIAGNOSIS..............9-7
CYLINDER COMPRESSION PRESSURE
TEST................................9-5
CYLINDER DISPOSALÐXJ, LIFTGATE
SUPPORT ROD......................23-63
CYLINDER ENGINE, VACUUM ROUTING
SCHEMATICÐ2.5L 4...................25-3
CYLINDER ENGINE, VACUUM ROUTING
SCHEMATICÐ4.0L 6...................25-3
CYLINDER HEAD COVER, ENGINE....9-22,9-64
CYLINDER HEAD, ENGINE...........9-25,9-67
CYLINDER HEAD GASKET FAILURE
DIAGNOSIS, ENGINE....................9-5
CYLINDER INSTALLATION (NON-ABS),
MASTER............................5-16
CYLINDER INSTALLATION, WHEEL........5-58
CYLINDER OVERHAUL (4-CYLINDER
MODELS), MASTER....................5-16
CYLINDER OVERHAUL, WHEEL...........5-57
CYLINDER REMOVAL (NON-ABS),
MASTER............................5-15
CYLINDER REMOVAL, WHEEL...........5-57
CYLINDER SERVICE, IGNITION SWITCH
AND KEY...........................8D-26
CYLINDERÐCOMBINATION VALVE,
MASTER............................5-15
CYLINDERÐXJ, DOOR KEY LOCK.......23-47
CYLINDERÐXJ, LIFTGATE SUPPORT
ROD...............................23-62
CYLINDERÐYJ, FULL-METAL DOOR KEY
LOCK..............................23-139
CYLINDERÐYJ, TAILGATE LOCK.......23-122
CYLINDER/POWER BOOSTER TEST,
MASTER.............................5-8
CYLINDER/POWER BRAKE BOOSTER,
MASTER............................5-34
CYLINDER/STRIKERÐXJ, LIFTGATE
LATCH/KEY LOCK....................23-61
DAMAGED OR WORN THREADS, REPAIR....9-4
DAMPER, ENGINE.....................9-17
DAMPER, STEERING.............19-17,19-20
DAMPER, VIBRATION..............9-30,9-72
DASH PANEL INSULATOR PANELÐXJ....23-12
DATA LINK CONNECTOR; ANTI-LOCK
BRAKES (XJ)......................8W-32-2
DATA LINK CONNECTOR; ANTI-LOCK
BRAKES (XJ-RHD).................8W-32-2
DATA LINK CONNECTOR; ANTI-LOCK
BRAKES (YJ)......................8W-32-2
DATA LINK CONNECTOR; FUEL/IGNITION
(XJ).............................8W-30-5
DATA LINK CONNECTOR; FUEL/IGNITION
(YJ).............................8W-30-5
DATA LINK CONNECTOR;
TRANSMISSION CONTROLS (XJ-RHD) . . 8W-31-1
DATA LINK CONNECTOR; FUEL/IGNITION
(XJ-RHD).........................8W-30-4
DATA LINK CONNECTORÐPCM INPUT....14-22
DATA LINK CONNECTORÐPCM OUTPUT . . 14-27
DATA, VEHICLE DIMENSION.....Intro.-5,Intro.-6
DATA, VEHICLE LOAD................Intro.-5
DATAÐXJ, VEHICLE LOAD............Intro.-7
DATAÐYJ, VEHICLE LOAD............Intro.-8
DAYTIME RUNNING LAMP (DRL)
MODULE; FRONT LIGHTING (XJ)......8W-50-2
DAYTIME RUNNING LAMP (DRL)
MODULEÐCANADIAN VEHICLES ONLY;
FRONT LIGHTING (YJ)
..............8W-50-2
DAYTIME RUNNING LIGHTS (CANADA
ONLY)ÐXJ
.........................8L-15
DAYTIME RUNNING LIGHTS (CANADA
ONLY)ÐYJ
.........................8L-30
DECODING, VEHICLE CODE
...........Intro.-5
DECODING, VEHICLE IDENTIFICATION
NUMBER (VIN)
.....................Intro.-4
DEFLECTORÐXJ, COWL WEATHERSTRIP
SEAL/CROSSMEMBER AIR
.............23-11
DEFOGGER RELAY
....................8N-3
DEFOGGER RELAY/TIMER
...............8N-1
DEFOGGER RELAY/TIMER REMOVE/
INSTALL
............................8N-4
DEFOGGER SWITCH
...............8N-1,8N-3
DEFOGGER SWITCH REMOVE/INSTALL
....8N-4
DEFROSTER NOZZLE AND DUCT
........24-33
DELAY FUNCTION TROUBLE
DIAGNOSISÐXJ, HEADLAMP
...........8L-14DELAY MODULE, HEADLAMP; FRONT
LIGHTING (XJ)....................8W-50-2
DELAY MODULE, HEADLAMP; FRONT
LIGHTING (XJ-RHD)................8W-50-1
DELAY MODULE REPLACEMENTÐXJ,
HEADLAMP.........................8L-14
DELAY MODULEÐXJ, SENTINEL
HEADLAMP.........................8L-14
DELIVERY SYSTEM, FUEL...............14-3
DEMAGNETIZING, COMPASS............8C-5
DEPTH INFORMATION, PINION GEAR;
FRONT SUSPENSION AND AXLE..........2-39
DEPTH INFORMATION, PINION GEAR;
REAR SUSPENSION AND AXLES..........3-21
DEPTH VARIANCE, PINION GEAR; FRONT
SUSPENSION AND AXLE................2-40
DEPTH VARIANCE, PINION GEAR; REAR
SUSPENSION AND AXLES...........3-22,3-39
DESCRIPTION; HEATING AND AIR
CONDITIONING............24-19,24-23,24-32
DESCRIPTION; TRANSMISSION AND
TRANSFER CASE....................21-165
DESCRIPTION/SYSTEM OPERATION,
MULTI-PORT FUEL INJECTION
(MFI)ÐCOMPONENT..................14-19
DESIGNATIONS, LABELS/PLATES, CODES
AND DIMENSIONS..................Intro.-1
DESIGNATIONS, VEHICLE.............Intro.-1
DESIGNATIONS, VEHICLE CODE........Intro.-1
DETECTION AND REPAIRÐXJ,
STATIONARY GLASS WATER LEAK.......23-76
DETECTION AND REPAIRÐYJ,
STATIONARY GLASS WATER LEAK.......23-150
DEVICES, ELECTROSTATIC DISCHARGE
(ESD) SENSITIVE; WIRING
DIAGRAMSÐGENERAL INFORMATION
(XJ)...............................8W-2
DIAGNOSING PARKING BRAKE
MALFUNCTIONS.......................5-8
DIAGNOSIS; AUDIO SYSTEMS...........8F-2
DIAGNOSIS; BATTERY/STARTING/
CHARGING SYSTEMS DIAGNOSTICS.....8A-10,
8A-11,8A-17,8A-3
DIAGNOSIS; CHIME/BUZZER WARNING
SYSTEMS...........................8U-2
DIAGNOSIS; COOLING SYSTEM...........7-4
DIAGNOSIS; HORNS...................8G-2
DIAGNOSIS; INSTRUMENT PANEL AND
GAUGESÐXJ....................8E-27,8E-5
DIAGNOSIS; OVERHEAD CONSOLE........8C-2
DIAGNOSIS; POWER LOCKS.............8P-2
DIAGNOSIS; POWER MIRRORS..........8T-1
DIAGNOSIS; POWER SEATS.............8R-2
DIAGNOSIS; POWER WINDOWS..........8S-1
DIAGNOSIS; REAR WINDOW DEFOGGER . . . 8N-1
DIAGNOSIS; RESTRAINT SYSTEMS.......8M-2
DIAGNOSIS; STEERING................19-37
DIAGNOSIS; TURN SIGNAL AND HAZARD
WARNING SYSTEMS...................8J-3
DIAGNOSIS; VEHICLE SPEED CONTROL
SYSTEM............................8H-2
DIAGNOSIS, 2.5L STARTER NOISE.......8A-16
DIAGNOSIS, 30RH/32RH TRANSMISSION . 21-70
DIAGNOSIS, ABS BRAKE.................5-3
DIAGNOSIS, ANTILOCK ECU AND HCU......5-3
DIAGNOSIS, AW-4 TRANSMISSION.....21-176
DIAGNOSIS, AXLE NOISE/VIBRATION;
FRONT SUSPENSION AND AXLE..........2-18
DIAGNOSIS, AXLE NOISE/VIBRATION;
REAR SUSPENSION AND AXLES..........3-9
DIAGNOSIS, BATTERY..................8A-4
DIAGNOSIS, BELT.....................7-38
DIAGNOSIS, CHARGING SYSTEM........8A-19
DIAGNOSIS, CLUTCH...................6-3
DIAGNOSIS, COMPASS/THERMOMETER....8C-4
DIAGNOSIS (CONT.), COOLING SYSTEM . . . 7-10,
7-11,7-12,7-7,7-8,7-9
DIAGNOSIS (CONT.), SERPENTINE DRIVE
BELT ...............................7-40
DIAGNOSIS (CONT'D), DISCONNECT
AXLE/SHIFT MOTOR
...................2-30
DIAGNOSIS (CONT'D), SERVICE; FRONT
SUSPENSION AND AXLE
................2-21
DIAGNOSIS (CONT'D), SERVICE; REAR
SUSPENSION AND AXLES
...............3-12
DIAGNOSIS, CONVERTER HOUSING
LEAK
..............................21-75
DIAGNOSIS, COOLING SYSTEM
...........7-6DIAGNOSIS, CYLINDER COMBUSTION
PRESSURE LEAKAGE TEST...............9-7
DIAGNOSIS, DISCONNECT AXLE/SHIFT
MOTOR.............................2-29
DIAGNOSIS, ENGINE....................9-5
DIAGNOSIS, ENGINE CYLINDER HEAD
GASKET FAILURE......................9-5
DIAGNOSIS, EXHAUST SYSTEM..........11-2
DIAGNOSIS, FOG LAMP...........8L-21,8L-3
DIAGNOSIS, GEAR LEAKAGE............19-10
DIAGNOSIS, HEADLAMP...........8L-20,8L-2
DIAGNOSIS, HEATER..................24-17
DIAGNOSIS, HEATING SYSTEM..........24-18
DIAGNOSIS, IGNITION SECONDARY
CIRCUIT...........................8D-10
DIAGNOSIS INFORMATION, GENERAL;
CLUTCH..............................6-3
DIAGNOSIS INFORMATION, GENERAL;
TRANSMISSION AND TRANSFER CASE . . 21-176
DIAGNOSIS, INTAKE MANIFOLD
LEAKAGE.............................9-5
DIAGNOSIS, MANUAL STEERING
SYSTEM............................19-38
DIAGNOSIS, MULTI-PORT FUEL
INJECTION (MFI)ÐGENERAL...........14-35
DIAGNOSIS, NP231 SERVICE..........21-285
DIAGNOSIS, NP242 SERVICE..........21-308
DIAGNOSIS, PERFORMANCE............24-14
DIAGNOSIS, POWER STEERING SYSTEM . . 19-3,
19-4,19-5,19-6,19-7,19-8,19-9
DIAGNOSIS, PUMP LEAKAGE...........19-10
DIAGNOSIS, RADIO....................8F-3
DIAGNOSIS, SERPENTINE DRIVE BELT.....7-39
DIAGNOSIS, SERVICE; FRONT
SUSPENSION AND AXLE................2-20
DIAGNOSIS, SERVICE; PROPELLER
SHAFTS.............................16-3
DIAGNOSIS, SERVICE; REAR
SUSPENSION AND AXLES...............3-11
DIAGNOSIS, SERVICE; TRANSMISSION
AND TRANSFER CASE . 21-180,21-181,21-34,21-2
DIAGNOSIS, SERVICE BRAKE.............5-4
DIAGNOSIS, SPRING AND SHOCK;
FRONT SUSPENSION AND AXLE......2-13,2-15
DIAGNOSIS, SPRING AND SHOCK; REAR
SUSPENSION AND AXLES.............3-3,3-6
DIAGNOSIS, SPRING AND SHOCK
ABSORBER........................3-3,3-6
DIAGNOSIS, STARTER NOISE...........8A-16
DIAGNOSIS, STARTING SYSTEM........8A-12
DIAGNOSIS, SUSPENSION AND
STEERING SYSTEM.....................2-7
DIAGNOSIS, THERMOMETER............8C-2
DIAGNOSIS, TORQUE CONVERTER . 21-86,21-87,
21-88
DIAGNOSIS, TRANSMISSION . 21-78,21-79,21-80,
21-81,21-82,21-83,21-84,21-85
DIAGNOSIS, VIBRATION..........22-10,22-11
DIAGNOSISÐLUBRICATION SERVICE......9-12
DIAGNOSISÐXJ, DOME/COURTESY
LAMP TROUBLE.....................8L-16
DIAGNOSISÐXJ, HEADLAMP DELAY
FUNCTION TROUBLE..................8L-14
DIAGNOSISÐXJ, LIGHTED VANITY
MIRROR TROUBLE...................8L-16
DIAGNOSISÐYJ, DOME/COURTESY
LAMP TROUBLE.....................8L-31
DIAGNOSTIC CONNECTOR, ABS.......5-35,5-3
DIAGNOSTIC PROCEDURESÐXJ.........8L-1
DIAGNOSTIC PROCEDURESÐYJ........8L-19
DIAGNOSTIC SYSTEM, USING
ON-BOARD; BATTERY/STARTING/
CHARGING SYSTEMS DIAGNOSTICS.....8A-22
DIAGNOSTIC SYSTEM, USING
ON-BOARD; VEHICLE SPEED CONTROL
SYSTEM............................8H-5
DIAGNOSTIC TROUBLE CODE (DTC)......14-54
DIAGNOSTIC TROUBLE CODE,
GENERATOR........................8A-22
DIAGNOSTIC TROUBLE CODE, SPEED
CONTROL
...........................8H-5
DIAGNOSTICS (OBD), ON-BOARD;
COOLING SYSTEM
.....................7-4
DIAGNOSTICS (OBD), ON-BOARD; FUEL
SYSTEM
............................14-51
DIAGNOSTICS, ON-BOARD
.............8D-15
DIAGRAM INDEX; AIR CONDITIONING/
HEATER (XJ)
......................8W-42-2
JINDEX 7
Description Group-Page Description Group-Page Description Group-Page

INSTALLATION, DRUM BRAKESHOE.......5-55
INSTALLATION, FRONT WHEEL SENSOR . . . 5-38
INSTALLATION METHODS AND PARTS
USAGE...............................6-4
INSTALLATION (NON-ABS), MASTER
CYLINDER...........................5-16
INSTALLATION, ROTOR.................5-51
INSTALLATION, TRANSFER CASE . 21-288,21-309
INSTALLATION, TRANSMISSION.....21-36,21-5
INSTALLATION, TRANSMISSION AND
CONVERTER.......................21-117
INSTALLATION, TRANSMISSION AND
TORQUE CONVERTER................21-199
INSTALLATION, TRANSMISSION VALVE
BODY.............................21-187
INSTALLATION, VALVE BODY..........21-104
INSTALLATION, WHEEL.................22-6
INSTALLATION, WHEEL CYLINDER........5-58
INSTALLATION (WITH ABS), MASTER
CYLINDER AND COMBINATION VALVE.....5-20
INSTALLATION (XJ), HCU...............5-43
INSTALLATION (XJ MODELS), ECU........5-40
INSTALLATION (XJ), SHIFT LEVER......21-286,
21-309
INSTALLATION (XJ WITH ABS), POWER
BRAKE BOOSTER.....................5-27
INSTALLATION (XJ WITH FULL
CONSOLE), PARKING BRAKE LEVER.......5-64
INSTALLATION (XJ WITH MINI
CONSOLE), PARKING BRAKE LEVER.......5-63
INSTALLATION (XJ WITHOUT ABS),
POWER BRAKE BOOSTER...............5-30
INSTALLATION (XJ WITHOUT CONSOLE),
PARKING BRAKE LEVER................5-65
INSTALLATION (YJ), HCU...............5-44
INSTALLATION (YJ), PARKING BRAKE
PEDAL..............................5-66
INSTALLATION (YJ), POWER BRAKE
BOOSTER............................5-30
INSTALLATION (YJ), SHIFT LEVER......21-286
INSTRUMENT CLUSTER; INSTRUMENT
CLUSTER (XJ).....................8W-40-1
INSTRUMENT CLUSTER; INSTRUMENT
CLUSTER (XJ-RHD)................8W-40-1
INSTRUMENT CLUSTER; INSTRUMENT
CLUSTER (YJ).....................8W-40-1
INSTRUMENT CLUSTER AND GAUGE
HOUSINGSÐYJ.....................23-151
INSTRUMENT CLUSTER BEZELÐXJ......23-80
INSTRUMENT CLUSTER BEZELÐYJ.....23-151
INSTRUMENT CLUSTERS..........8E-24,8E-1
INSTRUMENT PANEL.............8E-24,8E-1
INSTRUMENT PANEL AND GAUGESÐYJ . . 8E-24
INSTRUMENT PANEL COMPONENTSÐYJ . 23-152
INSTRUMENT PANEL ILLUMINATION
LAMPS; INTERIOR LIGHTING (XJ).....8W-44-1
INSTRUMENT PANEL ILLUMINATION
LAMPS; INTERIOR LIGHTING (XJ-RHD) . 8W-44-1
INSTRUMENT PANEL REMOVE/INSTALL . . . 8E-20
INSTRUMENT PANELÐYJ.............23-151
INSULATOR PANELÐXJ, DASH PANEL....23-12
INSULATOR PANELÐYJ, HOOD........23-107
INTAKE AIR TEMPERATURE SENSOR;
FUEL/IGNITION (XJ)................8W-30-4
INTAKE AIR TEMPERATURE SENSOR;
FUEL/IGNITION (YJ)................8W-30-4
INTAKE AIR TEMPERATURE SENSOR;
FUEL/IGNITION (XJ-RHD)............8W-30-4
INTAKE DUCT, FRESH AIR..............24-34
INTAKE MANIFOLD...................14-63
INTAKE MANIFOLD AIR TEMPERATURE
SENSOR; FUEL SYSTEM...............14-60
INTAKE MANIFOLD AIR TEMPERATURE
SENSOR; IGNITION SYSTEMS......8D-23,8D-5
INTAKE MANIFOLD AIR TEMPERATURE
SENSOR TEST; FUEL SYSTEM..........14-46
INTAKE MANIFOLD AIR TEMPERATURE
SENSOR TEST; IGNITION SYSTEMS......8D-11
INTAKE MANIFOLD AIR TEMPERATURE
SENSORÐPCM INPUT................14-22
INTAKE MANIFOLD LEAKAGE DIAGNOSIS . . . 9-5
INTAKE MANIFOLDÐ2.5L ENGINE........11-7
INTAKE MANIFOLDÐ4.0L ENGINE
........11-8
INTERCHANGEABILITY, TRANSMISSION
CHANGES AND PARTS
................21-67
INTERFERENCE, RADIO FREQUENCY
......8F-5
INTERIOR COMPONENTS
........23-151,23-80
INTERIOR LAMPS
...............8L-16,8L-31INTERIOR LAMPSÐXJ................8L-18
INTERIOR LAMPSÐYJ................8L-32
INTERIOR REARVIEW MIRROR
SUPPORT BRACKET REPLACEMENTÐ
XJ ................................23-68
INTERIOR REARVIEW MIRRORÐXJ......23-66
INTERIOR TRIM PANELS AND SCUFF
PLATESÐXJ........................23-84
INTERLOCK CABLE ADJUSTMENT, PARK . 21-195
INTERLOCK CABLE ADJUSTMENT (XJ),
PARK .............................21-101
INTERLOCK MECHANISM, AUTOMATIC
TRANSMISSION SHIFTER/IGNITION......19-55
INTERMEDIATE (COUPLER) SHAFT.......19-45
INTERMEDIATEÐCOUPLING SHAFT......19-23
INTERMITTENT AND POOR
CONNECTIONS; WIRING DIAGRAMSÐ
GENERAL INFORMATION (XJ)...........8W-4
INTERMITTENT WIPE MODULE..........8K-4
INTERMITTENT WIPE SWITCH TESTING . . 8K-15
INTERMITTENT WIPERS; WIPERS
(XJ-RHD).........................8W-53-1
INTERNATIONAL SYMBOLS...............0-1
INTERNATIONAL VEHICLE CONTROL
AND DISPLAY SYMBOLS.............Intro.-5
INTRODUCTION; BODY COMPONENTSÐ
XJ VEHICLES.......................23-158
INTRODUCTION; LUBRICATION AND
MAINTENANCE.....................0-1,0-4
IN-VEHICLE SERVICE, 30RH/32RH.......21-99
IN-VEHICLE SERVICE, AW-4.............21-182
I/P ASH RECEIVER TRAY LAMPÐXJ.....23-80
JACK STORAGEÐXJ..................23-97
JAMB SWITCH, DRIVER'S DOOR.....8U-1,8U-2
JEEP BODY CODE LETTERS..............5-2
JOINT ANGLE MEASUREMENT,
UNIVERSAL..........................16-4
JOINT REPLACEMENT, UNIVERSAL.......16-10
JOINTS, UNIVERSAL...................16-2
JUMP STARTING PROCEDURE............0-9
JUMP STARTING, TOWING AND
HOISTING............................0-9
KEY CYLINDER SERVICE, IGNITION
SWITCH............................8D-26
KEY LOCK CYLINDERÐXJ, DOOR.......23-47
KEY LOCK CYLINDERÐYJ, FULL-METAL
DOOR............................23-139
KEY-IN SWITCH, IGNITION..........8U-1,8U-2
KEYLESS ENTRY MODULE..........8P-1,8P-7
KEYLESS ENTRY MODULE, REMOTE . . . 8W-61-1
KEYLESS ENTRY MODULE REMOVE/
INSTALL...........................8P-10
KEYLESS ENTRY RECEIVER.............8C-1
KEYLESS ENTRY RECEIVERÐXJ........23-93
KEYLESS ENTRY TRANSMITTER . 8P-1,8P-7,8P-8
KEYS ARE NOT AVAILABLE, TOWING
WHEN..............................0-13
KNOCK, LOW SPEED; FRONT
SUSPENSION AND AXLE................2-19
KNOCK, LOW SPEED; REAR
SUSPENSION AND AXLES...............3-10
KNUCKLE AND BALL STUDS, STEERING . . . 2-32
LABEL, VEHICLE EMISSION CONTROL
INFORMATION (VECI)..................25-1
LABEL, VEHICLE SAFETY CERTIFICATION . Intro.-4
LABELS AND PLATESÐXJ, VEHICLE....Intro.-2
LABELS AND PLATESÐYJ, VEHICLE....Intro.-3
LABELS/DECALS/PLATESÐXJ............23-1
LABELS/DECALS/PLATESÐYJ..........23-102
LABELS/PLATES, CODES AND
DIMENSIONS, DESIGNATIONS.........Intro.-1
LAG TEST, TIME....................21-178
LAMP, ABS WARNING; ANTI-LOCK
BRAKES (XJ)......................8W-32-2
LAMP, ABS WARNING; ANTI-LOCK
BRAKES (XJ-RHD).................8W-32-2
LAMP, ABS WARNING; ANTI-LOCK
BRAKES (YJ)......................8W-32-2
LAMP, ABS WARNING; INSTRUMENT
CLUSTER (XJ)
.....................8W-40-2
LAMP, ABS WARNING; INSTRUMENT
CLUSTER (XJ-RHD)
................8W-40-2
LAMP, ABS WARNING; INSTRUMENT
CLUSTER (YJ)
.....................8W-40-2
LAMP, ACCESSORY LAMP AND HEATER
CONTROL PANEL
..................8W-44-1
LAMP ADJUSTMENT USING ALIGNMENT
SCREENÐXJ, HEADLAMP/FOG
...........8L-7LAMP ADJUSTMENT USING ALIGNMENT
SCREENÐYJ, HEADLAMP/FOG..........8L-23
LAMP AND DOME LAMP, CARGO......8W-44-1
LAMP AND HEATER CONTROL PANEL
LAMP, ACCESSORY.................8W-44-1
LAMP, BRAKE WARNING; INSTRUMENT
CLUSTER (XJ).....................8W-40-2
LAMP, BRAKE WARNING; INSTRUMENT
CLUSTER (XJ-RHD)................8W-40-2
LAMP, BRAKE WARNING; INSTRUMENT
CLUSTER (YJ).....................8W-40-2
LAMP BULB REMOVE/INSTALL,
READING/COURTESY..................8C-8
LAMP BULB REPLACEMENTÐXJ,
BACK-UP/REAR TURN SIGNAL/TAIL......8L-12
LAMP BULB REPLACEMENTÐXJ, FRONT
PARK/TURN SIGNAL...................8L-9
LAMP BULB REPLACEMENTÐXJ, SIDE
MARKER...........................8L-10
LAMP BULB REPLACEMENTÐXJ,
UNDERHOOD........................8L-13
LAMP BULB REPLACEMENTÐYJ,
BACK-UP/REAR TURN SIGNAL/TAIL......8L-28
LAMP BULB REPLACEMENTÐYJ, FRONT
PARK/TURN SIGNAL..................8L-25
LAMP BULB REPLACEMENTÐYJ, SIDE
MARKER...........................8L-25
LAMP BULB REPLACEMENTÐYJ,
UNDERHOOD........................8L-29
LAMP BULB REPLACEMENTÐYJ
VEHICLES, HARDTOP DOME/CARGO.....8L-31
LAMP, CARGO LAMP AND DOME;
INTERIOR LIGHTING (XJ-RHD)........8W-44-1
LAMP, CARGO LAMP, COURTESY LAMPS
AND DOME; INTERIOR LIGHTING (XJ) . . 8W-44-1
LAMP, CHARGING SYSTEM INDICATOR;
INSTRUMENT CLUSTER (XJ).........8W-40-3
LAMP (CHMSL)ÐXJ, CENTER HIGH
MOUNTED STOP.....................8L-12
LAMP (CHMSL)ÐYJ, CENTER HIGH
MOUNTED STOP.....................8L-28
LAMP, COURTESY LAMPS AND DOME
LAMP, CARGO; INTERIOR LIGHTING
(XJ).............................8W-44-1
LAMP DIAGNOSIS, FOG...........8L-21,8L-3
LAMP (DRL) MODULE, DAYTIME
RUNNING; FRONT LIGHTING (XJ).....8W-50-2
LAMP (DRL) MODULEÐCANADIAN
VEHICLES ONLY, DAYTIME RUNNING;
FRONT LIGHTING (YJ)..............8W-50-2
LAMP, ENGINE COOLANT TEMPERATURE
WARNING; INSTRUMENT CLUSTER
(XJ).............................8W-40-1
LAMP, ENGINE COOLANT TEMPERATURE
WARNING; INSTRUMENT CLUSTER
(XJ-RHD).........................8W-40-1
LAMP, GLOVE BOX; INTERIOR LIGHTING
(XJ).............................8W-44-1
LAMP, GLOVE BOX; INTERIOR LIGHTING
(XJ-RHD).........................8W-44-1
LAMP, HIGH-BEAM INDICATOR;
INSTRUMENT CLUSTER (XJ).........8W-40-2
LAMP, HIGH-BEAM INDICATOR;
INSTRUMENT CLUSTER (XJ-RHD).....8W-40-2
LAMP HOUSINGÐXJ, LIFTGATE LICENSE
PLATE .............................23-65
LAMP, IGNITION SWITCH; INTERIOR
LIGHTING (XJ)....................8W-44-1
LAMP, IGNITION SWITCH; INTERIOR
LIGHTING (XJ-RHD)................8W-44-1
LAMP, LOW FUEL WARNING;
INSTRUMENT CLUSTER (XJ).........8W-40-1
LAMP, LOW WASHER FLUID WARNING;
INSTRUMENT CLUSTER (XJ).........8W-40-2
LAMP, LOW WASHER FLUID WARNING;
INSTRUMENT CLUSTER (XJ-RHD).....8W-40-2
LAMP, MANUAL TRANSMISSION
UP-SHIFT; INSTRUMENT CLUSTER (XJ) . 8W-40-2
LAMP (MIL), MALFUNCTION INDICATOR;
FUEL/IGNITION (XJ)
................8W-30-5
LAMP (MIL), MALFUNCTION INDICATOR;
FUEL/IGNITION (YJ)
................8W-30-5
LAMP (MIL), MALFUNCTION INDICATOR;
INSTRUMENT CLUSTER (XJ)
.........8W-40-2
LAMP (MIL), MALFUNCTION INDICATOR;
INSTRUMENT CLUSTER (XJ-RHD)
.....8W-40-1
LAMP (MIL), MALFUNCTION INDICATOR;
FUEL/IGNITION (XJ-RHD)
............8W-30-4
JINDEX 15
Description Group-Page Description Group-Page Description Group-Page

PANEL (GOP)ÐXJ, GRILLE AND GRILLE
OPENING............................23-3
PANEL ILLUMINATION LAMPS,
INSTRUMENT; INTERIOR LIGHTING
(XJ).............................8W-44-1
PANEL ILLUMINATION LAMPS,
INSTRUMENT; INTERIOR LIGHTING
(XJ-RHD).........................8W-44-1
PANEL, INSTRUMENT.............8E-24,8E-1
PANEL INSULATOR PANELÐXJ, DASH....23-12
PANEL LAMP, ACCESSORY LAMP AND
HEATER CONTROL; INTERIOR
LIGHTING (YJ)....................8W-44-1
PANEL OUTLET VACUUM MOTOR
REPLACEMENT, HEATER/DEFROSTER/
INSTRUMENT.......................24-26
PANEL REMOVE/INSTALL, INSTRUMENT . . 8E-20
PANELÐXJ, DASH PANEL INSULATOR....23-12
PANELÐXJ, DOOR TRIM..............23-31
PANELÐXJ, FRONT INNER SCUFF
PLATE/COWL SIDE TRIM...............23-86
PANELÐXJ, LIFTGATE TRIM............23-59
PANELÐYJ, FULL-METAL DOOR TRIM . . . 23-137
PANELÐYJ, HOOD INSULATOR........23-107
PANELÐYJ, INSTRUMENT............23-151
PANELS AND SCUFF PLATESÐXJ,
INTERIOR TRIM......................23-84
PANELSÐXJ, QUARTER AND
WHEELHOUSE TRIM..................23-87
PARK GEAR OVERHAUL, GOVERNOR....21-127
PARK GEAR SERVICE, GOVERNOR......21-105
PARK INTERLOCK CABLE ADJUSTMENT . 21-195
PARK INTERLOCK CABLE ADJUSTMENT
(XJ)..............................21-101
PARK LOCK COMPONENT OVERHAUL,
ADAPTER/EXTENSION HOUSING
INSPECTION.......................21-127
PARK LOCK COMPONENT
REPLACEMENT.....................21-108
PARK NEUTRAL SWITCH..............14-63
PARK ROD AND PAWL SERVICE........21-190
PARKING BRAKE CABLE TENSIONER
ADJUSTMENT (XJ/YJ)..................5-69
PARKING BRAKE CABLE TENSIONER
REPLACEMENT (XJ)...................5-66
PARKING BRAKE FRONT CABLE
REPLACEMENT (YJ)...................5-67
PARKING BRAKE HANDLE COVERÐXJ....23-94
PARKING BRAKE LEVER INSTALLATION
(XJ WITH FULL CONSOLE)..............5-64
PARKING BRAKE LEVER INSTALLATION
(XJ WITH MINI CONSOLE)..............5-63
PARKING BRAKE LEVER INSTALLATION
(XJ WITHOUT CONSOLE)...............5-65
PARKING BRAKE LEVER REMOVAL (XJ
WITH FULL CONSOLE).................5-63
PARKING BRAKE LEVER REMOVAL (XJ
WITH MINI CONSOLE).................5-62
PARKING BRAKE LEVER REMOVAL (XJ
WITHOUT CONSOLE)...................5-64
PARKING BRAKE MALFUNCTIONS,
DIAGNOSING..........................5-8
PARKING BRAKE OPERATION............5-60
PARKING BRAKE PEDAL INSTALLATION
(YJ)................................5-66
PARKING BRAKE PEDAL REMOVAL (YJ) . . . 5-66
PARKING BRAKE REAR CABLE
REPLACEMENT (XJ)...................5-67
PARKING BRAKE REAR CABLE
REPLACEMENT (YJ)...................5-68
PARKING BRAKE SWITCH...............5-68
PARKING BRAKES.....................5-60
PARKING LAMPS; FRONT LIGHTING
(XJ).............................8W-50-1
PARKING LAMPS; FRONT LIGHTING
(XJ-RHD).........................8W-50-2
PARKING LAMPS; FRONT LIGHTING
(YJ).............................8W-50-1
PARK/NEUTRAL POSITION SWITCH;
FUEL/IGNITION (XJ)
................8W-30-4
PARK/NEUTRAL POSITION SWITCH;
FUEL/IGNITION (YJ)
................8W-30-4
PARK/NEUTRAL POSITION SWITCH;
TRANSMISSION AND TRANSFER CASE
. . 21-183
PARK/NEUTRAL POSITION SWITCH;
FUEL/IGNITION (XJ-RHD)
............8W-30-4
PARK/NEUTRAL POSITION SWITCH
SERVICE
..........................21-109PARK/NEUTRAL SWITCHÐPCM INPUT . . . 14-24
PARK/TURN SIGNAL LAMP BULB
REPLACEMENTÐXJ, FRONT.............8L-9
PARK/TURN SIGNAL LAMP BULB
REPLACEMENTÐYJ, FRONT............8L-25
PARTS INTERCHANGEABILITY,
TRANSMISSION CHANGES.............21-67
PARTS RECOMMENDATION,
LUBRICATION AND REPLACEMENT........0-2
PASSENGER'S POWER LOCK SWITCH.....8P-6
PASSENGER'S POWER WINDOW
SWITCH.............................8S-6
PATTERN ANALYSIS, BACKLASH AND
CONTACT; FRONT SUSPENSION AND
AXLE...............................2-45
PATTERN ANALYSIS, BACKLASH AND
CONTACT; REAR SUSPENSION AND
AXLES..............................3-27
PATTERN, SHIFT......................21-2
PATTERN, TRANSMISSION SHIFT........21-34
PATTERNS, TIRE WEAR................22-4
PAWL SERVICE, PARK ROD...........21-190
PCM SYSTEM SCHEMATICS............14-41
PEDAL, ACCELERATOR................14-17
PEDAL AND THROTTLE CABLE,
ACCELERATOR.................14-17,14-58
PEDAL BUSHINGS, CLUTCH AND BRAKE . . . 0-22
PEDAL INSTALLATION, BRAKE...........5-31
PEDAL INSTALLATION, CLUTCH..........6-15
PEDAL INSTALLATION (YJ), PARKING
BRAKE...............................5-66
PEDAL REMOVAL, BRAKE...............5-31
PEDAL REMOVAL, CLUTCH..............6-15
PEDAL REMOVAL (YJ), PARKING BRAKE . . . 5-66
PEDAL TRAVEL SENSOR, BRAKE;
ANTI-LOCK BRAKES (YJ)............8W-32-1
PEDALÐBRAKELIGHT SWITCH, POWER
BRAKE BOOSTERÐBRAKE..............5-22
PERFORMANCE, ENGINE.................9-2
PERFORMANCE TEMPERATURE AND
PRESSURE CHART, XJ................24-13
PERFORMANCE TEMPERATURE AND
PRESSURE CHART, YJ................24-13
PERFORMANCE TEST, REFRIGERANT
SERVICE...........................24-11
PERFORMANCE TESTS, AIR
CONDITIONING......................24-12
PILLAR TRIM COVERSÐXJ, B/C-PILLAR
AND LIFTGATE.......................23-88
PILOT BEARING REPLACEMENT..........6-12
PIN REPLACEMENT, CAMSHAFT......9-34,9-75
PIN REPLACEMENTÐXJ, DOOR
HINGE/HINGE.......................23-52
PINION GEAR ASSEMBLY/INSTALLATION . . . 2-42
PINION GEAR DEPTH INFORMATION;
FRONT SUSPENSION AND AXLE..........2-39
PINION GEAR DEPTH INFORMATION;
REAR SUSPENSION AND AXLES..........3-21
PINION GEAR DEPTH VARIANCE; FRONT
SUSPENSION AND AXLE................2-40
PINION GEAR DEPTH VARIANCE; REAR
SUSPENSION AND AXLES...........3-22,3-39
PINION MEASUREMENT AND ASSEMBLY . . . 3-22
PINION MEASUREMENT, DIFFERENTIAL....2-40
PINION REMOVAL/DISASSEMBLY; FRONT
SUSPENSION AND AXLE................2-36
PINION REMOVAL/DISASSEMBLY; REAR
SUSPENSION AND AXLES...............3-19
PINION SEAL REPLACEMENT; FRONT
SUSPENSION AND AXLE................2-25
PINION SEAL REPLACEMENT; REAR
SUSPENSION AND AXLES...............3-33
PINION SHAFT SEAL REPLACEMENT......3-15
PIPEÐXJ VEHICLES, EXHAUST..........11-3
PIPEÐYJ VEHICLES, EXHAUST..........11-4
PISTON AND TRANSMISSION CASE
OVERHAUL, FIRST-REVERSE BRAKE....21-247
PISTON AND WORM SHAFT
REPLACEMENT, RACK.................19-32
PISTON CLEARANCE, AW-4 BUSHING . . . 21-339
PISTON SPECIFICATIONS, AW-4
RETAINER.........................21-340
PISTONS AND CONNECTING RODS
. . . 9-39,9-81
PISTONS AND SPRINGS, ACCUMULATOR
. 21-189
PITMAN ARM
..................19-17,19-20
PITMAN SHAFT AND SIDE COVER
REPLACEMENT
......................19-28
PITMAN SHAFT SEAL REPLACEMENT
.....19-37PITMAN SHAFT SEALS AND BEARING
REPLACEMENT......................19-34
PITMAN SHAFT SEALSÐIN CAR
REPLACEMENT......................19-23
PIVOTS REMOVE/INSTALL, WINDSHIELD
WIPER LINKAGE.....................8K-17
PLANETARY GEAR AND CLUTCH
OVERHAUL, OVERDRIVE..............21-218
PLANETARY GEAR OVERHAUL, FRONT . . . 21-237
PLANETARY GEAR TRAIN OVERHAUL . . . 21-141
PLASTIC COMPONENT INSPECTION,
RUBBER............................0-20
PLASTIC HOSES/TUBING, RUBBER........0-26
PLASTIC INSERTÐXJ, REAR QUARTER
WINDOW GLASS/REAR QUARTER.......23-73
PLASTIGAGE, MEASURING WITH..........9-3
PLATE, FRONT SKID...................13-1
PLATE, FUEL TANK SKID...........13-15,13-3
PLATE LAMP HOUSINGÐXJ, LIFTGATE
LICENSE...........................23-65
PLATE LAMPÐXJ, LICENSE............8L-12
PLATE LAMPS, TAIL LAMPS AND
LICENSE.........................8W-51-1
PLATE LAMPS, TAIL LAMPS AND REAR
LICENSE; REAR LIGHTING (XJ).......8W-51-1
PLATE LAMPS, TAIL LAMPS AND REAR
LICENSE; REAR LIGHTING (XJ-RHD) . . . 8W-51-1
PLATE REPLACEMENT, SUPPORT.........5-58
PLATE SCREW ANCHOR AND BUMPERÐ
XJ, LIFTGATE LICENSE................23-65
PLATE SERVICE, CONVERTERÐPUMP
SEALÐDRIVE......................21-116
PLATE SPECIFICATIONS, 30RH/32RH
SNAP RING/THRUST WASHER/THRUST . . 21-335
PLATE THICKNESS, AW-4 CLUTCH DISC . 21-338
PLATE, TRANSFER CASE SKID......13-15,13-3
PLATE, VEHICLE CODE...............Intro.-4
PLATE, VEHICLE IDENTIFICATION
NUMBER (VIN).....................Intro.-4
PLATE/COWL SIDE TRIM PANELÐXJ,
FRONT INNER SCUFF.................23-86
PLATESÐXJ, INTERIOR TRIM PANELS
AND SCUFF.........................23-84
PLATESÐXJ, OUTER SCUFF............23-89
PLATESÐXJ, VEHICLE, LABELS........Intro.-2
PLATESÐYJ, VEHICLE, LABELS........Intro.-3
PLATFORMÐXJ, BUCKET SEAT.........23-82
PLUG ASSEMBLY REPLACEMENT,
ADJUSTER..........................19-29
PLUG CABLE RESISTANCE, SPARK......8D-14
PLUG, HOUSING END.................19-28
PLUG LOCATIONS, TRANSMISSION
SWITCH............................21-34
PLUG SECONDARY CABLES, SPARK.....8D-14,
8D-24
PLUGS, SPARK; IGNITION SYSTEMS....8D-12,
8D-23,8D-32
PLUGS, SPARK; LUBRICATION AND
MAINTENANCE.......................0-20
POLISHING, WET SANDING,BUFFING....23-158
POOR CONNECTIONS, INTERMITTENT;
WIRING DIAGRAMSÐGENERAL
INFORMATION (XJ)
...................8W-4
POSITION SENSOR, CAMSHAFT; FUEL
SYSTEM
............................14-60
POSITION SENSOR, CAMSHAFT;
FUEL/IGNITION (XJ)
................8W-30-3
POSITION SENSOR, CAMSHAFT;
FUEL/IGNITION (YJ)
................8W-30-3
POSITION SENSOR, CAMSHAFT;
IGNITION SYSTEMS
..............8D-17,8D-2
POSITION SENSOR, CAMSHAFT;
FUEL/IGNITION (XJ-RHD)
............8W-30-3
POSITION SENSOR, CRANKSHAFT; FUEL
SYSTEM
............................14-60
POSITION SENSOR, CRANKSHAFT;
FUEL/IGNITION (XJ)
................8W-30-3
POSITION SENSOR, CRANKSHAFT;
FUEL/IGNITION (YJ)
................8W-30-3
POSITION SENSOR, CRANKSHAFT;
IGNITION SYSTEMS
..............8D-17,8D-3
POSITION SENSOR, CRANKSHAFT;
FUEL/IGNITION (XJ-RHD)
............8W-30-3
POSITION SENSOR TEST, CAMSHAFT;
FUEL SYSTEM
.......................14-46
POSITION SENSOR TEST, CAMSHAFT;
IGNITION SYSTEMS
...................8D-6
20 INDEXJ
Description Group-Page Description Group-Page Description Group-Page

module provides voltage to and receives input from.
Circuit B210 from cavity 41 of the ABS control mod-
ule provides voltage to the sensor. Circuit B258 car-
ries the signal from the sensor to cavity 16 of the
ABS module.
BRAKE SWITCH INPUT
Circuit L50 from the stop lamp provides the brake
switch input to the ABS control module. When the
brake pedal is pressed, the stop lamp switch closes to
supply battery voltage from circuit F32 to circuit
L50. Circuit L50 connects to cavity 32 of the ABS
control module. Circuit F32 originates at fuse 3 in
the fuse block.
Circuit A6 from Power Distribution Center (PDC)
fuse 3 supplies voltage to the fuse block for circuit
F32.
HYDRAULIC CONTROL UNIT
When the ABS power relay energizes, two branches
of circuit B15 splice to supply voltage to the isolation
and decay solenoids in the hydraulic control unit.
The hydraulic control unit contains three separate
isolation solenoids and three separate decay sole-
noids. The ABS control module activates the decay
and isolation solenoids by providing separate ground
paths for each.
The ABS module provides a ground path for the
rear isolation solenoid on circuit B251. Circuit B251
connects to cavity 54 of the ABS control module.
For the right front isolation solenoid, the ABS mod-
ule provides a ground path on circuit B249. Circuit
B249 connects to cavity 38 of the ABS control mod-
ule.
On circuit B245, the ABS module provides ground
for the left front isolation solenoid. Circuit B245 con-
nects to cavity 20 of the ABS control module.
The ABS module provides a ground path for the
rear decay solenoid on circuit B254. Circuit B254
connects to cavity 36 of the ABS control module.
For the right front decay solenoid, the ABS module
provides a ground path on circuit B248. Circuit B248
connects to cavity 21 of the ABS control module.
On circuit B243, the ABS module provides ground
for the left decay solenoid. Circuit B243 connects to
cavity 2 of the ABS control module.
ABS WARNING LAMP
Circuit G5 provides power for the ABS warning
lamp at the instrument cluster. Ground for the ABS
warning lamp is provided by either the ABS control
module or by the ABS power relay when the relay is
not energized. The ABS control module illuminates
the lamp by providing ground on circuit G19.
Circuit G19 splices to connect to circuit B15
through a diode. When the ABS power relay is notenergized, it connects circuit B15 to circuit Z12. The
ground path for the warning lamp is through the di-
ode to circuit B15, through the ABS power relay to
ground on circuit Z12.
The diode between circuit G19 and B15 prevents
voltage from flowing to the ABS control module when
the ABS power relay switches to supply power on cir-
cuit B15.
DATA LINK CONNECTOR
Circuit D11 from cavity 23 of the ABS control mod-
ule receives data from the DRB scan tool through the
data link connector. The ABS control module trans-
mits data to the scan tool through the connector on
circuit D12. Circuit D12 originates at cavity 42 of the
ABS control module.
Through the data link connector, circuit Z12 pro-
vides ground for the DRB scan tool. Circuit Z12 ter-
minates at the right rear of the dash panel.
Circuit A4 from fuse 8 in the Power Distribution
Center (PDC) supplies power to fuse 16 in the PDC.
Fuse 16 powers circuit M1 which supplies battery
voltage to the scan tool through the diagnostic con-
nector.
HELPFUL INFORMATION
²Check fuses 4, 9 and 10 in the PDC
²Check fuse 13 in the fuse block
DIAGRAM INDEX
Component Page
ABS Power Relay........................8W-32-4
ABS Pump Motor/Sensor...................8W-32-5
ABS Warning Lamp.......................8W-32-4
ABS Control Module..................8W-32-3 thru 7
ABS Pump Motor Relay....................8W-32-5
Brake Pedal Travel Sensor...................8W-32-6
Data Link Connector......................8W-32-6
Fuse 1 Fuse Block........................8W-32-4
Fuse 3 Fuse Block........................8W-32-6
Fuse 3 (PDC)...........................8W-32-6
Fuse 4 (PDC)...........................8W-32-4
Fuse 8 (PDC)...........................8W-32-6
Fuse 10 (PDC)..........................8W-32-4
Fuse 12 Fuse Block.......................8W-32-4
Fuse 12 (PDC)..........................8W-32-6
Fuse 13 (PDC)..........................8W-32-4
Hydraulic Actuation Unit....................8W-32-3
Ignition Switch..........................8W-32-4
Powertrain Control Module (PCM)..............8W-32-6
Stop Lamp Switch........................8W-32-6
Wheel Speed Sensors......................8W-32-7
8W - 32 - 2 8W-32 ANTI-LOCK BRAKESÐYJ VEHICLESJ