POSITION SENSOR TEST, CRANKSHAFT;
FUEL SYSTEM.......................14-47
POSITION SENSOR TEST, CRANKSHAFT;
IGNITION SYSTEMS...................8D-7
POSITION SENSOR TEST, THROTTLE.....8D-15
POSITION SENSOR, THROTTLE;
FUEL/IGNITION (XJ)................8W-30-4
POSITION SENSOR, THROTTLE;
FUEL/IGNITION (YJ)................8W-30-4
POSITION SENSOR, THROTTLE;
IGNITION SYSTEMS...................8D-5
POSITION SENSOR, THROTTLE;
FUEL/IGNITION (XJ-RHD)............8W-30-4
POSITION SENSOR (TPS) SERVICE,
THROTTLE.........................21-193
POSITION SENSOR (TPS) TEST,
THROTTLE..........................14-48
POSITION SENSOR (TPS), THROTTLE;
FUEL SYSTEM.......................14-65
POSITION SENSOR (TPS), THROTTLE;
IGNITION SYSTEMS..................8D-25
POSITION SENSOR (TPS)ÐPCM INPUT,
THROTTLE..........................14-25
POSITION SENSORÐPCM INPUT,
CAMSHAFT.........................14-22
POSITION SENSORÐPCM INPUT,
CRANKSHAFT.......................14-22
POSITION SWITCH, PARK/NEUTRAL;
FUEL/IGNITION (XJ)................8W-30-4
POSITION SWITCH, PARK/NEUTRAL;
FUEL/IGNITION (YJ)................8W-30-4
POSITION SWITCH, PARK/NEUTRAL;
TRANSMISSION AND TRANSFER CASE . . 21-183
POSITION SWITCH, PARK/NEUTRAL;
FUEL/IGNITION (XJ-RHD)............8W-30-4
POSITION SWITCH SERVICE, PARK/
NEUTRAL..........................21-109
POSITIONS, TRANSMISSION RANGES
AND SHIFT LEVER...................21-166
POWER ANTENNA; RADIO (XJ-RHD) . . . 8W-47-1
POWER BOOSTER CHECK VALVE TEST.....5-9
POWER BOOSTER VACUUM TEST.........5-9
POWER BRAKE BOOSTER INSTALLATION
(XJ WITH ABS).......................5-27
POWER BRAKE BOOSTER INSTALLATION
(XJ WITHOUT ABS)....................5-30
POWER BRAKE BOOSTER INSTALLATION
(YJ)................................5-30
POWER BRAKE BOOSTER OPERATION.....5-23
POWER BRAKE BOOSTER REMOVAL (XJ
WITH ABS)..........................5-24
POWER BRAKE BOOSTER REMOVAL (XJ
WITHOUT ABS).......................5-29
POWER BRAKE BOOSTER REMOVAL (YJ) . . 5-30
POWER BRAKE BOOSTERÐBRAKE
PEDALÐBRAKELIGHT SWITCH..........5-22
POWER BRAKE SYSTEM................0-30
POWER (DEVICE) GROUND; FUEL/
IGNITION (XJ).....................8W-30-5
POWER (DEVICE) GROUND; FUEL/
IGNITION (YJ).....................8W-30-5
POWER (DEVICE) GROUND; FUEL/
IGNITION (XJ-RHD)................8W-30-5
POWER DOOR LOCKS; POWER DOOR
LOCKS (XJ).......................8W-61-1
POWER DOOR LOCKS; POWER DOOR
LOCKS (XJ-RHD)..................8W-61-1
POWER GROUND....................14-24
POWER LOCK MOTOR.............8P-1,8P-7
POWER LOCK MOTOR REMOVE/INSTALL
. . 8P-8
POWER LOCK SWITCH
.................8P-1
POWER LOCK SWITCH, PASSENGER'S
....8P-6
POWER LOCK SWITCH REMOVE/
INSTALL
............................8P-8
POWER LOCK SWITCHÐ2-DOOR (LHD),
DRIVER'S
...........................8P-3
POWER LOCK SWITCHÐ2-DOOR (RHD),
DRIVER'S
...........................8P-4
POWER LOCK SWITCHÐ4-DOOR,
DRIVER'S
...........................8P-5
POWER LOCK SYSTEM
.................8P-2
POWER LOCK/UNLOCK RELAY
REMOVE/INSTALL
....................8P-12
POWER LOCK/UNLOCK RELAYS
..........8P-1
POWER MIRROR
......................8T-1
POWER MIRROR REMOVE/INSTALL
.......8T-4
POWER MIRROR SWITCH
...........8T-1,8T-2POWER MIRROR SWITCH CONTINUITY
(LEFT POSITION)......................8T-3
POWER MIRROR SWITCH CONTINUITY
(RIGHT POSITION)....................8T-3
POWER MIRROR SWITCH REMOVE/
INSTALL.............................8T-4
POWER MIRROR SYSTEM..............8T-1
POWER MIRRORS; POWER MIRRORS
(XJ).............................8W-62-1
POWER MIRRORS; POWER MIRRORS
(XJ-RHD).........................8W-62-1
POWER RELAY, ABS; ANTI-LOCK
BRAKES (XJ)......................8W-32-1
POWER RELAY, ABS; ANTI-LOCK
BRAKES (XJ-RHD).................8W-32-1
POWER RELAY, ABS; ANTI-LOCK
BRAKES (YJ)......................8W-32-1
POWER SEAT; POWER SEAT (XJ)......8W-63-1
POWER SEAT; POWER SEAT (XJ-RHD) . 8W-63-1
POWER SEAT ADJUSTER/MOTORS . . . 8R-1,8R-2
POWER SEAT ADJUSTER/MOTORS
REMOVE/INSTALL.....................8R-3
POWER SEAT SWITCH.............8R-1,8R-2
POWER SEAT SWITCH CONTINUITY......8R-2
POWER SEAT SWITCH REMOVE/INSTALL . . 8R-3
POWER STEERING GEAR..............19-78
POWER STEERING GEAR,
RECIRCULATING BALL................19-21
POWER STEERING GEAR
SPECIFICATIONS.....................19-36
POWER STEERING GEARS,
RECIRCULATING-BALL................19-74
POWER STEERING PRESSURE SWITCH;
FUEL/IGNITION (XJ)................8W-30-5
POWER STEERING PRESSURE SWITCH;
FUEL/IGNITION (YJ)................8W-30-4
POWER STEERING PRESSURE
SWITCHÐ2.5L ENGINE ONLY...........14-63
POWER STEERING PRESSURE
SWITCHÐPCM INPUT................14-24
POWER STEERING PUMP....19-11,19-74,19-78
POWER STEERING PUMPÐINITIAL
OPERATION.........................19-15
POWER STEERING SYSTEM.............0-29
POWER STEERING SYSTEM DIAGNOSIS . . . 19-3,
19-4,19-5,19-6,19-7,19-8,19-9
POWER WINDOW MOTOR..........8S-1,8S-2
POWER WINDOW MOTOR REMOVE/
INSTALL............................8S-7
POWER WINDOW SWITCH..........8S-1,8S-2
POWER WINDOW SWITCH,
PASSENGER'S........................8S-6
POWER WINDOW SWITCH REMOVE/
INSTALL............................8S-7
POWER WINDOW SWITCHÐ2-DOOR
(LHD), DRIVER'S......................8S-4
POWER WINDOW SWITCHÐ2-DOOR
(RHD), DRIVER'S.....................8S-5
POWER WINDOW SWITCHÐ4-DOOR,
DRIVER'S...........................8S-3
POWER WINDOWS; POWER WINDOWS
(XJ).............................8W-60-1
POWER WINDOWS; POWER WINDOWS
(XJ-RHD).........................8W-60-1
POWERTRAIN CONTROL MODULE....8H-1,8H-7
POWERTRAIN CONTROL MODULE
(PCM); EMISSION CONTROL SYSTEMS....25-7
POWERTRAIN CONTROL MODULE
(PCM); FUEL SYSTEM............14-20,14-64
POWERTRAIN CONTROL MODULE
(PCM); IGNITION SYSTEMS . . . 8D-11,8D-23,8D-5
POWERTRAIN CONTROL MODULE (PCM)
60-WAY CONNECTOR.................14-40
POWER-UP AND INITIALIZATION, ABS
SYSTEM............................5-35
PRE-ALIGNMENT INSPECTION............2-6
PRECAUTIONS...................16-10,16-8
PRECAUTIONS AND WARNINGS, SAFETY . . 13-10
PRECAUTIONS, BRAKE SAFETY...........5-2
PRECAUTIONS, CLUTCH SAFETY.........6-10
PRECAUTIONS, REFRIGERANT
HOSES/TUBES
.......................24-10
PRELIMINARY BRAKE CHECK
.............5-4
PRESSURE AND RETURN HOSE
REPLACEMENT
......................19-11
PRESSURE CAP, RADIATOR
.............7-25
PRESSURE CHART, XJ PERFORMANCE
TEMPERATURE
......................24-13PRESSURE CHART, YJ PERFORMANCE
TEMPERATURE......................24-13
PRESSURE, ENGINE OIL.................9-7
PRESSURE GAUGE, OIL; INSTRUMENT
CLUSTER (XJ).....................8W-40-2
PRESSURE LEAK DOWN TEST, FUEL......14-8
PRESSURE LEAKAGE TEST, CYLINDER
COMBUSTION.........................9-6
PRESSURE LEAKAGE TEST DIAGNOSIS,
CYLINDER COMBUSTION................9-7
PRESSURE (MAP) SENSOR, MANIFOLD
ABSOLUTE; FUEL SYSTEM.............14-63
PRESSURE (MAP) SENSOR, MANIFOLD
ABSOLUTE; FUEL/IGNITION (YJ)......8W-30-4
PRESSURE (MAP) SENSOR, MANIFOLD
ABSOLUTE; IGNITION SYSTEMS....8D-23,8D-5
PRESSURE (MAP) SENSOR TEST,
MANIFOLD ABSOLUTE; FUEL SYSTEM....14-47
PRESSURE (MAP) SENSOR TEST,
MANIFOLD ABSOLUTE; IGNITION
SYSTEMS..........................8D-11
PRESSURE (MAP) SENSORÐPCM
INPUT, MANIFOLD ABSOLUTE...........14-23
PRESSURE REGULATOR, FUEL.....14-33,14-61
PRESSURE RELEASE PROCEDURE, FUEL . . . 14-6
PRESSURE RELEASE PROCEDURE, FUEL
SYSTEM............................14-62
PRESSURE RELIEF/ROLLOVER VALVE . 25-6,25-7
PRESSURE RELIEF/ROLLOVER VALVE,
FUEL TANK....................14-16,14-62
PRESSURE SENSOR, MANIFOLD
ABSOLUTE; FUEL/IGNITION (XJ)......8W-30-4
PRESSURE SENSOR, MANIFOLD
ABSOLUTE; FUEL/IGNITION (XJ-RHD) . . 8W-30-4
PRESSURE SWITCH, POWER STEERING;
FUEL/IGNITION (XJ)................8W-30-5
PRESSURE SWITCH, POWER STEERING;
FUEL/IGNITION (YJ)................8W-30-4
PRESSURE SWITCHÐ2.5L ENGINE
ONLY, POWER STEERING..............14-63
PRESSURE SWITCHÐPCM INPUT,
POWER STEERING...................14-24
PRESSURE TEST, AIR.................21-74
PRESSURE TEST, CYLINDER
COMPRESSION........................9-5
PRESSURE TEST, FUEL SYSTEM....14-51,14-6
PRESSURE TEST SPECIFICATIONS,
30RH/32RH........................21-336
PRESSURE WARNING LAMP, OIL;
INSTRUMENT CLUSTER (XJ).........8W-40-2
PRESSURE WARNING LAMP, OIL;
INSTRUMENT CLUSTER (XJ-RHD).....8W-40-1
PRESSURES, TIRE INFLATION...........22-2
PRINTED CIRCUIT REMOVE/INSTALL....8E-19,
8E-40
PROBLEMS, TROUBLESHOOTING
WIRING; WIRING DIAGRAMSÐ
GENERAL INFORMATION (XJ)...........8W-5
PROBLEMS, WHEEL AND TIRE............5-7
PROCEDURESÐXJ, MULTI-FUNCTION
SWITCH TESTING.....................8L-4
PROPELLER SHAFTS...................16-1
PROPELLER SHAFTS AND U-JOINTS.....16-15
PROTECTOR STRIPÐXJ, DOOR EDGE
GUARD/EDGE.......................23-54
PROTECTOR/NOZZLEÐYJ, FUEL FILLER . 23-121
PULLEY REPLACEMENT, DRIVE.........19-13
PUMP CAPACITY TEST, FUEL............14-7
PUMP ELECTRICAL CONTROL, FUEL......14-5
PUMP LEAKAGE DIAGNOSIS............19-10
PUMP MODULE, FUEL; FUEL SYSTEM....14-61,
14-3
PUMP MODULE, FUEL; FUEL/IGNITION
(XJ).............................8W-30-2
PUMP MODULE, FUEL; FUEL/IGNITION
(YJ).............................8W-30-2
PUMP MODULE, FUEL; FUEL/IGNITION
(XJ-RHD).........................8W-30-2
PUMP MOTOR RELAY, ABS; ANTI-LOCK
BRAKES (XJ)
......................8W-32-1
PUMP MOTOR RELAY, ABS; ANTI-LOCK
BRAKES (XJ-RHD)
.................8W-32-1
PUMP MOTOR RELAY, ABS; ANTI-LOCK
BRAKES (YJ)
......................8W-32-1
PUMP MOTOR SPEED SENSOR;
ANTI-LOCK BRAKES (XJ)
............8W-32-2
PUMP MOTOR SPEED SENSOR;
ANTI-LOCK BRAKES (XJ-RHD)
........8W-32-2
JINDEX 21
Description Group-Page Description Group-Page Description Group-Page
WIRING DIAGRAMS
CONTENTS
page page
8W-01 GENERAL INFORMATIONÐWIRING
DIAGRAMS...................... 8W-01-1
8W-10 FUSE/FUSE BLOCK........... 8W-10-1
8W-11 POWER DISTRIBUTION........ 8W-11-1
8W-15 GROUND DISTRIBUTION....... 8W-15-1
8W-20 CHARGING SYSTEM.......... 8W-20-1
8W-21 STARTING SYSTEM........... 8W-21-1
8W-30 FUEL/IGNITION.............. 8W-30-1
8W-31 TRANSMISSION CONTROLS.... 8W-31-1
8W-32 ANTI-LOCK BRAKES.......... 8W-32-1
8W-40 INSTRUMENT CLUSTER....... 8W-40-1
8W-41 HORN/CIGAR LIGHTER........ 8W-41-18W-42 AIR CONDITIONING/HEATER.... 8W-42-1
8W-44 INTERIOR LIGHTING.......... 8W-44-1
8W-47 AUDIO SYSTEM.............. 8W-47-1
8W-48 HEATED REAR WINDOW....... 8W-48-1
8W-50 FRONT LIGHTING............ 8W-50-1
8W-51 REAR LIGHTING............. 8W-51-1
8W-52 TURN SIGNALS.............. 8W-52-1
8W-53 WIPERS.................... 8W-53-1
8W-70 SPLICE INFORMATION........ 8W-70-1
8W-80 CONNECTOR PIN OUTS....... 8W-80-1
8W-90 CONNECTOR LOCATIONS...... 8W-90-1
8W-95 SPLICE LOCATIONS........... 8W-95-1
HOW TO USE THIS GROUP
The purpose of this group is to show the electrical
circuits in a clear, simple fashion and to make trou-
bleshooting easier. Components that work together
are shown together. All electrical components used in
a specific system are shown on one diagram. The feed
for a system is shown at the top of the page. All
wires, connectors, splices, and components are shown
in the flow of current to the bottom of the page. Wir-
ing which is not part of the circuit represented is ref-
erenced to another page/section, where the complete
circuit is shown. In addition, all switches, compo-
nents, and modules are shown in theat rest posi-
tion with the doors closed and the key removed
from the ignition.
If a component is part of several different circuits,
it is shown in the diagram for each. For example, the
headlamp switch is the main part of the exterior
lighting, but it also affects the interior lighting and
the chime warning system.
It is important to realize that no attempt is
made on the diagrams to represent components
and wiring as they appear on the vehicle. For
example, a short piece of wire is treated the
same as a long one. In addition, switches and
other components are shown as simply as pos-
sible, with regard to function only.
The wiring diagram show circuits for all wheel-
bases. If there is a difference in systems or compo-
nents between wheel-bases, an identifier is placed
next to the component.
SECTION IDENTIFICATION
Sections in Group 8W are organized by sub-sys-
tems. The sections contain circuit operation descrip-
tions, helpful information, and system diagrams. The
intention is to organize information by system, con-
sistently from year to year.
CONNECTOR LOCATIONS
Section 8W-90 contains Connector Location illus-
trations. The illustrations contain the connector
number and component identification. Connector Lo-
cation charts in Section 8W-90 reference the illustra-
tion 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 number on the Diagram
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.
JWIRING DIAGRAMSÐÐYJ VEHICLES 8W - 1 - 1