2002 JEEP LIBERTY Vehicle speed sensor wiring

NOTE: Plastigage is available in a variety of clear-
ance ranges. Use the most appropriate range for
the specifications you are checking.
(4) Install the proper crankshaft bearings to
achieve the specified bearing clearances. (Refer to 9 -
ENGINE/ENGINE BLOCK/CRANKSHAFT MAIN
BEARINGS - STANDARD PROCEDURE) (Refer to 9
- ENGINE/ENGINE BLOCK/CONNECTING ROD
BEARINGS - STANDARD PROCEDURE)
REMOVAL - ENGINE ASSEMBLY
(1) Disconnect the battery negative cable.
(2) Remove hood. Mark hood hinge location for
reinstallation.
(3) Remove air cleaner assembly.
(4) Remove radiator core support bracket.
(5) Remove fan shroud with electric fan assembly.
(6) Remove drive belt.
NOTE: It is NOT necessary to discharge the A/C
system to remove the engine.
(7) Remove A/C compressor and secure away from
engine with lines attached.
(8) Remove generator and secure away from
engine.
NOTE: Do NOT remove the phenolic pulley from the
P/S pump. It is not required for P/S pump removal.
(9) Remove power steering pump with lines
attached and secure away from engine.
(10) Drain cooling system.
(11) Remove coolant bottle.
(12) Disconnect the heater hoses from the engine.
(13) Disconnect heater hoses from heater core and
remove hose assembly.
(14) Disconnect throttle and speed control cables.
(15) Remove upper radiator hose from engine.
(16) Remove lower radiator hose from engine.
(17) Disconnect the engine to body ground straps
at the left side of cowl.
(18) Disconnect the engine wiring harness at the
following points:
²Intake air temperature (IAT) sensor
²Fuel Injectors
²Throttle Position (TPS) Switch
²Idle Air Control (IAC) Motor
²Engine Oil Pressure Switch
²Engine Coolant Temperature (ECT) Sensor
²Manifold Absolute Pressure MAP) Sensor
²Camshaft Position (CMP) Sensor
²Coil Over Plugs
²Crankshaft Position Sensor
(19) Remove coil over plugs.
(20) Release fuel rail pressure.(21) Remove fuel rail and secure away from
engine.
(22) Remove the PCV hose.
(23) Remove the breather hoses.
(24) Remove the vacuum hose for the power brake
booster.
(25) Disconnect knock sensors.
(26) Secure the left and right engine wiring har-
nesses away from engine.
(27) Raise vehicle.
(28) Disconnect oxygen sensor wiring.
(29) Disconnect crankshaft postion sensor.
(30) Disconnect the engine block heater power
cable, if equipped.
(31) Disconnect the front propshaft at the front
differential and secure out of way.
(32) Remove the starter.
(33) Remove the ground straps from the engine
(34) Disconnect the exhaust pipes at the manifold.
(35) Remove the structural cover, if equipped.
(36) Remove torque convertor bolts, and mark
location for reassembly.
(37) Remove transmission bellhousing to engine
bolts.
(38) Loosen left and right engine mount thru bolts.
NOTE: It is not necessary to completely remove
engine mount thru bolts, for engine removal.
(39) Lower the vehicle.
(40) Support the transmission with a suitable jack.
(41) Connect a suitable engine hoist to the engine.
CAUTION: The 2.4L engine with manual transmis-
sions, can be removed without removing the man-
ual transmission. Use caution when attempting this
procedure as the clearance is tight.
(42) Remove engine from vehicle.
INSTALLATION - ENGINE ASSEMBLY
(1) Position the engine in the vehicle.
CAUTION: Use caution when installing 2.4L engine
into vehicle equipped with manual transmission, as
clearance is tight.
(2) Install both left and right side engine mounts
into the frame mounts.
(3) Raise the vehicle.
(4) Install the transmission bellhousing to engine
mounting bolts. Tighten the bolts to 41 N´m (30ft.
lbs.).
(5) Tighten the engine mount thru bolts.
(6) Install the torque convertor bolts.
(7) Connect the ground straps on the left and right
side of the engine.
9s - 12 ENGINEKJ
ENGINE - 2.4L (Continued)

(8) Install the starter.
(9) Connect the crankshaft position sensor.
(10) Install the engine block heater power cable, if
equipped.
CAUTION: The structural cover requires a specific
torque sequence. Failure to follow this sequence
may cause severe damage to the cover.
(11) Install the structural cover.
(12) Install the exhaust pipe.
(13) Connect the oxygen sensors.
(14) Lower vehicle.
(15) Connect the knock sensors.
(16) Connect the engine to body ground straps.
(17) Install the power brake booster vacuum hose.
(18) Install the breather hoses.
(19) Install the PCV hose.
(20) Install the fuel rail.
(21) Install the coil over plugs.
(22) Reconnect the engine wiring harness at the
following points:
²Intake air temperature (IAT) sensor
²Fuel Injectors
²Throttle Position (TPS) Switch
²Idle Air Control (IAC) Motor
²Engine Oil Pressure Switch
²Engine Coolant Temperature (ECT) Sensor
²Manifold Absolute Pressure MAP) Sensor
²Camshaft Position (CMP) Sensor
²Coil Over Plugs
²Crankshaft Position Sensor
(23) Connect lower radiator hose.
(24) Connect upper radiator hose.
(25) Connect throttle and speed control cables.
(26) Install the heater hose assembly.
(27) Install coolant recovery bottle.
(28) Install the power steering pump.
(29) Install the generator.
(30) Install the A/C compressor.
(31) Install the drive belt.
(32) Install the fan shroud with the electric fan
assembly.
(33) Install the radiator core support bracket.
(34) Install the air cleaner assembly.
(35) Refill the engine cooling system.
(36) Install the hood.
(37) Check and fill engine oil.
(38) Connect the battery negative cable.
(39) Start the engine and check for leaks.SPECIFICATIONS
SPECIFICATIONS - 2.4L ENGINE
DESCRIPTION SPECIFICATION
General Specification
Type In-Line OHV, DOHC
Number of Cylinders 4
Displacement 2.4 Liters
(148 cu. in.)
Bore 87.5 mm
(3.445 in.)
Stroke 101.0 mm
(3.976 in.)
Compression Ratio 9.4:1
Firing Order 1-3-4-2
Compression Pressure 690 kPa (Minimum)
(100 psi Minimum)
Max. Variation Between
Cylinders25%
Cylinder Block
Cylinder Bore Diameter 87.4924±87.5076 mm
(3.4446±3.4452 in.)
Out-of-Round (Max.) 0.051 mm
(0.002 in.)
Taper (Max.) 0.051 mm
(0.002 in.)
Pistons
Piston Diameter 87.463±87.481 mm
(3.4434±3.4441 in.)
Clearance @ 14 mm
(9/16 in.) from bottom of
skirt0.024±0.057 mm
(0.0009±0.0022 in.)
Weight 346±356 grams
(12.20±12.56 oz.)
Land Clearance
(Diametrical)0.614±0.664 mm
(0.024±0.026 in.)
Piston Length 66.25 mm
(2.608 in.)
Piston Ring Groove
Depth No. 14.640±4.784 mm
(0.182±0.188 in.)
Piston Ring Groove
Depth No. 24.575±4.719 mm
(0.180±0.185 in.)
KJENGINE9s-13
ENGINE - 2.4L (Continued)

TANK - REMOVAL, FUEL...............14-25
TANK CHECK VALVE - DESCRIPTION,
FUEL..............................14-28
TANK CHECK VALVE - INSTALLATION,
FUEL..............................14-28
TANK CHECK VALVE - OPERATION, FUEL . . 14-28
TANK CHECK VALVE - REMOVAL, FUEL . . . 14-28
TANK SKID PLATE - INSTALLATION,
FUEL...............................13-9
TANK SKID PLATE - REMOVAL, FUEL......13-9
TASK MANAGER - DESCRIPTION........25-17
TASK MANAGER - OPERATION..........25-21
TCM QUICK LEARN - STANDARD
PROCEDURE........................8E-21
TEMP INDICATOR - DESCRIPTION,
TRANS.............................8J-33
TEMP INDICATOR - OPERATION, TRANS . . 8J-34
TEMP SENSOR - DESCRIPTION,
AMBIENT...........................8M-9
TEMP SENSOR - OPERATION, AMBIENT . . . 8M-9
TEMPERATURE GAUGE - DESCRIPTION,
ENGINE............................8J-18
TEMPERATURE GAUGE - OPERATION,
ENGINE............................8J-18
TEMPERATURE SENSOR - DESCRIPTION,
BATTERY...........................8F-24
TEMPERATURE SENSOR - DESCRIPTION,
ENGINE COOLANT.....................7-19
TEMPERATURE SENSOR - DESCRIPTION,
INTAKE AIR .........................14-36
TEMPERATURE SENSOR - DESCRIPTION,
TRANSMISSION.....................21-170
TEMPERATURE SENSOR - DIAGNOSIS
AND TESTING, AMBIENT...............8M-9
TEMPERATURE SENSOR -
INSTALLATION, BATTERY..............8F-24
TEMPERATURE SENSOR -
INSTALLATION, ENGINE COOLANT........7-21
TEMPERATURE SENSOR -
INSTALLATION, INTAKE AIR............14-38
TEMPERATURE SENSOR - OPERATION,
BATTERY...........................8F-24
TEMPERATURE SENSOR - OPERATION,
ENGINE COOLANT.....................7-20
TEMPERATURE SENSOR - OPERATION,
INTAKE AIR .........................14-36
TEMPERATURE SENSOR - OPERATION,
TRANSMISSION.....................21-170
TEMPERATURE SENSOR - REMOVAL,
BATTERY...........................8F-24
TEMPERATURE SENSOR - REMOVAL,
ENGINE COOLANT.....................7-20
TEMPERATURE SENSOR - REMOVAL,
INTAKE AIR .........................14-37
TEMPERATURE SENSOR CIRCUIT -
DIAGNOSIS AND TESTING, AMBIENT.....8M-9
TENSIONER - DESCRIPTION, SEAT BELT . . 8O-36
TENSIONER - OPERATION, SEAT BELT....8O-36
TERMINAL - INSTALLATION.........8W-01-14
TERMINAL - REMOVAL.............8W-01-14
TEST - DIAGNOSIS AND TESTING, FUEL
PRESSURE LEAK DOWN................14-3
TEST - DIAGNOSIS AND TESTING, FUEL
PUMP AMPERAGE....................14-16
TEST - DIAGNOSIS AND TESTING, FUEL
PUMP CAPACITY.....................14-15
TEST - DIAGNOSIS AND TESTING, FUEL
PUMP PRESSURE....................14-15
TEST - DIAGNOSIS AND TESTING,
HYDRAULIC PRESSURE...............21-79
TEST - DIAGNOSIS AND TESTING, ROAD . . . 8P-2
TEST - STANDARD PROCEDURE,
BUILT-IN INDICATOR..................8F-10
TEST - STANDARD PROCEDURE,
HYDROMETER.......................8F-11
TEST - STANDARD PROCEDURE,
IGNITION-OFF DRAW..................8F-14
TEST - STANDARD PROCEDURE, LOAD . . . 8F-12
TEST - STANDARD PROCEDURE,
OPEN-CIRCUIT VOLTAGE
...............8F-12
TEST - STANDARD PROCEDURE,
VERIFICATION
........................8O-8
TEST MODE - DESCRIPTION, CIRCUIT
ACTUATION
..........................25-2
TEST MODE - DESCRIPTION, STATE
DISPLAY
............................25-2
TESTER - STANDARD PROCEDURE,
USING MIDTRONICS ELECTRICAL
.......8F-15TETHER ANCHOR - DESCRIPTION, CHILD . 8O-13
TETHER ANCHOR - OPERATION, CHILD . . . 8O-13
THEFT SECURITY - DESCRIPTION,
VEHICLE............................8Q-1
THEFT SECURITY - OPERATION, VEHICLE . . 8Q-3
THEFT SECURITY SYSTEM - DIAGNOSIS
AND TESTING, VEHICLE................8Q-6
THERMAL GUARD - DESCRIPTION.......8F-20
THERMAL GUARD - INSTALLATION......8F-20
THERMAL GUARD - OPERATION.........8F-20
THERMAL GUARD - REMOVAL..........8F-20
THERMOSTAT - DIAGNOSIS AND
TESTING............................7-21
THERMOSTAT - OPERATION, ENGINE
COOLANT............................7-21
THREAD REPAIR - STANDARD
PROCEDURE, ALUMINUM..............21-81
THREADED HOLE REPAIR -
DESCRIPTION......................Intro.-4
THREADS - STANDARD PROCEDURE,
REPAIR DAMAGED OR WORN............9-9
THROTTLE BODY - DESCRIPTION........14-43
THROTTLE BODY - INSTALLATION.......14-44
THROTTLE BODY - OPERATION.........14-43
THROTTLE BODY - REMOVAL...........14-43
THROTTLE CONTROL CABLE -
INSTALLATION.......................14-46
THROTTLE CONTROL CABLE - REMOVAL . . 14-45
THROTTLE POSITION SENSOR -
DESCRIPTION.........................14-47
THROTTLE POSITION SENSOR -
INSTALLATION.......................14-48
THROTTLE POSITION SENSOR -
OPERATION.........................14-47
THROTTLE POSITION SENSOR -
REMOVAL..........................14-47
TIE ROD END - INSTALLATION..........19-16
TIE ROD END - REMOVAL..............19-16
TIE ROD END REMOVAL TOOL, SPECIAL
TOOLS - OUTER.....................19-15
TIME INDICATOR - DESCRIPTION, FULL . . . 8J-29
TIME INDICATOR - DESCRIPTION, PART . . 8J-29
TIME INDICATOR - OPERATION, FULL....8J-30
TIME INDICATOR - OPERATION, PART....8J-29
TIMING - DESCRIPTION, VALVE..........9-71
TIMING - OPERATION, VALVE............9-71
TIMING - SPECIFICATIONS, IGNITION......8I-2
TIMING BELT / CHAIN COVER(S) -
INSTALLATION........................9-76
TIMING BELT / CHAIN COVER(S) -
REMOVAL...........................9-74
TIMING CHAIN WEAR, STANDARD
PROCEDURE - MEASURING.............9-71
TIRE - INSTALLATION, SPARE...........22-9
TIRE - REMOVAL, SPARE...............22-8
TIRE INFLATION - DIAGNOSIS AND
TESTING............................22-7
TIRE NOISE OR VIBRATION - DIAGNOSIS
AND TESTING........................22-8
TIRE ROTATION - STANDARD
PROCEDURE.........................22-2
TIRE &TEMPORARY - DESCRIPTION,
SPARE..............................22-6
TIRE WEAR PATTERNS - DIAGNOSIS
AND TESTING........................22-8
TIRES - DESCRIPTION.................22-6
TIRES - DESCRIPTION, RADIAL-PLY.......22-6
TIRES - DESCRIPTION, REPLACEMENT....22-7
TIRES AND WHEEL RUNOUT -
DIAGNOSIS AND TESTING..............22-1
TO GROUND - STANDARD PROCEDURE,
TESTING FOR A SHORT.............8W-01-9
TO GROUND ON FUSES POWERING
SEVERAL LOADS - STANDARD
PROCEDURE, TESTING FOR A SHORT . . 8W-01-9
TO USE WIRING DIAGRAMS -
DESCRIPTION, HOW................8W-01-1
TOE ADJUSTMENT - STANDARD
PROCEDURE..........................2-5
TOE ADJUSTMENT - STANDARD
PROCEDURE, CAMBER, CASTER..........2-5
TOOL, SPECIAL TOOLS - OUTER TIE
ROD END REMOVAL..................19-15
TOOLS - 3.7L ENGINE, SPECIAL
..........9-15
TOOLS - 8 1/4 AXLE, SPECIAL
...........3-98
TOOLS - BASE BRAKES, SPECIAL
.........5-7
TOOLS - BODY, SPECIAL
................23-5
TOOLS - COOLING, SPECIAL
.............7-14TOOLS - FRONT AXLE, SPECIAL..........3-34
TOOLS - FRONT SUSPENSION, SPECIAL....2-8
TOOLS - FUEL SYSTEM, SPECIAL........14-6
TOOLS - OUTER TIE ROD END REMOVAL
TOOL, SPECIAL......................19-15
TOOLS - POWER DISTRIBUTION
SYSTEMS, SPECIAL................8W-97-2
TOOLS - POWER STEERING PUMP,
SPECIAL...........................19-20
TOOLS - REAR AXLE, SPECIAL...........3-63
TOOLS - RFE TRANSMISSION, SPECIAL . . 21-120
TOOLS - STEERING COLUMN, SPECIAL....19-8
TOOLS - WIRING/TERMINAL, SPECIAL . 8W-01-10
TOOLS, BATTERY SYSTEM - SPECIAL.....8F-7
TOOLS, SPECIFICATIONS - SPECIAL....3-12,3-6
TOOLS, SPECIFICATIONS - SPECIAL......8F-24
TOP COVER - INSTALLATION,
INSTRUMENT PANEL.................23-153
TOP COVER - REMOVAL, INSTRUMENT
PANEL............................23-152
TORQUE - SPECIFICATIONS.............13-6
TORQUE CHART, SPECIFICATIONS . . 19-15,19-19,
19-8
TORQUE CHART, SPECIFICATIONS.....2-17,2-8
TORQUE CONVERTER - DESCRIPTION . . . 21-162
TORQUE CONVERTER - INSTALLATION . . . 21-167
TORQUE CONVERTER - OPERATION.....21-166
TORQUE CONVERTER - REMOVAL......21-167
TORQUE, EXCEPT DIESEL..............8F-23
TORQUE, GAS POWERED..............8F-38
TORQUE, IGNITION SYSTEM.............8I-3
TORQUE REFERENCES - DESCRIPTION . . Intro.-7
TORQUE, SPECIFICATIONS...............5-7
TORQUE, SPECIFICATIONS..............7-13
TORQUE, SPECIFICATIONS.............25-26
TORQUE, SPECIFICATIONS..............9-12
TORQUE, SPECIFICATIONS..............14-5
TORQUE, SPEED CONTROL.............8P-2
TOUCH-UP - DESCRIPTION, PAINT......23-163
TOW CONNECTOR - INSTALLATION,
TRAILER...........................8L-61
TOW CONNECTOR - REMOVAL, TRAILER . . 8L-61
TOW HOOK - INSTALLATION, FRONT......13-8
TOW HOOK - INSTALLATION, REAR.......13-8
TOW HOOK - REMOVAL, FRONT..........13-8
TOW HOOK - REMOVAL, REAR...........13-8
TOW RELAY - DESCRIPTION, TRAILER....8L-61
TOW RELAY - DIAGNOSIS AND TESTING,
TRAILER...........................8L-62
TOW RELAY - INSTALLATION, TRAILER . . . 8L-64
TOW RELAY - OPERATION, TRAILER.....8L-62
TOW RELAY - REMOVAL, TRAILER.......8L-63
TOW WIRING - DESCRIPTION, TRAILER . . 8L-64
TOWING - STANDARD PROCEDURE........0-6
TRACK - DESCRIPTION, SEAT..........8N-15
TRACK - DIAGNOSIS AND TESTING,
SEAT ..............................8N-16
TRACK - INSTALLATION, SEAT.........23-168
TRACK - INSTALLATION, SEAT..........8N-16
TRACK - OPERATION, SEAT............8N-15
TRACK - REMOVAL, SEAT.............23-168
TRACK - REMOVAL, SEAT..............8N-16
TRAC-LOK - ASSEMBLY, DIFFERENTIAL . . . 3-109,
3-77
TRAC-LOK - CLEANING, DIFFERENTIAL . . . 3-109,
3-77
TRAC-LOK - DISASSEMBLY,
DIFFERENTIAL...................3-107,3-75
TRAC-LOK - INSPECTION, DIFFERENTIAL . 3-109,
3-77
TRAC-LOKT- DIAGNOSIS AND TESTING . . 3-106,
3-74
TRAILER HITCH - INSTALLATION.........13-9
TRAILER HITCH - REMOVAL.............13-9
TRAILER TOW CONNECTOR -
INSTALLATION.......................8L-61
TRAILER TOW CONNECTOR - REMOVAL . . 8L-61
TRAILER TOW RELAY - DESCRIPTION....8L-61
TRAILER TOW RELAY - DIAGNOSIS AND
TESTING...........................8L-62
TRAILER TOW RELAY - INSTALLATION . . . 8L-64
TRAILER TOW RELAY - OPERATION......8L-62
TRAILER TOW RELAY - REMOVAL
.......8L-63
TRAILER TOW WIRING - DESCRIPTION
. . . 8L-64
TRANS COOLER - DESCRIPTION
.........7-32
TRANS TEMP INDICATOR -
DESCRIPTION
.......................8J-33
TRANS TEMP INDICATOR - OPERATION
. . . 8J-34
KJINDEX 27
Description Group-Page Description Group-Page Description Group-Page