ENGINE PERFORMANCE – Jeep Wrangler Sport 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sport 2002

List of elements for 2.5L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sport 2002:

• (near breakout at right rear of engine block)
• (near breakout on top right side of transmission)
• (on left side of transmission) park/neutral position switch
• (right side of eng) ignition coil
• A/t
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• Automatic shutdown relay
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• B31
• B32
• C10
• Cam pos sns
• Camshaft position sensor
• Coil driver
• Crnk pos sns
• Distributor
• Dnstrm ho2s
• Ect sens sig
• Engine oil pressure sensor (right side of engine block)
• Engine starter motor relay
• Exterior lights system (back-up lamps)
• F15
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fused b(+)
• G105 (right rear of engine block)
• G60
• Gen field
• Ground
• Headlights system
• Hot at all times
• Iat sens sig
• Idle air 1
• Idle air 2
• Idle air 3
• Idle air 4
• Ign power
• Inj 1 driver
• Inj 2 driver
• Inj 3 driver
• Inj 4 driver
• K10
• K11
• K12
• K13
• K14
• K141
• K19
• K20
• K21
• K22
• K24
• K39
• K40
• K41
• K44
• K59
• K60
• M/t
• Map sens sig
• Nca
• Oil press sns
• P/n
• P/s switch
• Pnp sw sens
• Power distribution center (on right side of eng compt, on inner fender panel)
• Powertrain control module (in right rear of engine compt, on firewall)
• S101 (near breakout for pdc)
• S123
• S126 (near breakout for c104, rear of engine compt)
• S128 (between fuel injectors 2 & 3)
• S130
• S132
• S134
• S135 (near breakout for ho2s)
• Sensor gnd
• Starting/ charging system
• T23
• T41
• Tan
• Torque converter clutch solenoid (on transmission valve body)
• Tps sens sig
• Trans l/o sol
• Upstrm ho2s
• Vehicle speed sensor (vss) (on extension housing of transfer case)
• Vss sig
• Z12

2.5L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sport 2002

List of elements for 2.5L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sport 2002:

• (near break- out for c104, rear of engine compt) s129
• (near breakout at right rear of engine block) s124
• (near breakout for iac motor) s127
• (near breakout for underhood lamp, rear of engine compt) s147
• (top right side of transmission)
• Crankshaft position sensor (on transmission bellhousing, at left rear side of engine block)
• Cruise control system
• Driver iac 2
• Engine coolant temperature sensor (on thermostat housing)
• Fuel pump module (on fuel tank)
• Fuse 10a
• Fuse block (under right side of dash)
• G105 (right rear of engine block)
• Heated oxygen sensor (ho2s) (upstream) (on exhaust downpipe)
• Heated oxygen sensor h02s (downstream) (on rear of catalytic converter)
• Hot in run or start
• Iac 1 driver
• Iac 3 driver
• Iac 4 driver
• Idle air control motor (on side of throttle body assembly)
• Intake air temperature sensor (on intake manifold plenum, near throttle body)
• Manifold absolute pressure (map) sensor (on side of throttle body assembly)
• Nca
• S102
• S132
• S133
• Sensor gnd
• Sensor signal

2.5L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sport 2002

List of elements for 2.5L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sport 2002:

• (left side of steering column) brake transmission shift interlock solenoid
• (not used)
• A/c comp rly
• A/c compressor clutch relay
• A/c select in
• A/c sw sense
• A/c system
• A10
• A142
• Asd relay sens
• Auto sht rly
• Batt temp sens
• Battery temperature sensor (on bottom of battery tray)
• Brake sw sense
• C10
• C107
• C108
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C202
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C32
• C90
• Controller anti-lock brake (at left rear corner of engine compt)
• Cruise control system
• Cruise sw in
• Cruise sw sens
• Cruise vac sol
• Cruise vnt sol
• D21
• D25
• D32
• Data link connector (dlc) (partial) (bottom left side of dash)
• Evap sol drvr
• Evap/purge solenoid (on left fender side shield)
• Fuel level sens
• Fuel pmp rly
• Fuse 10a
• Fuse block (under right side of dash)
• G105 (right rear of engine block)
• G300 (left kick panel)
• Generator
• H02s down cntl
• H02s up cntl
• Hot in run or start
• Instrument cluster
• K106
• K107
• K118
• K125
• K226
• K29
• K299
• K31
• K51
• K52
• K99
• Leak detct pmp
• Leak detect pmp
• Leak detect sw
• Leak detection pump (in left side of engine compt, near evap canister)
• Mil ind
• Pci bus
• Pnk
• Power steering pressure switch (behind power steering pump)
• Powertrain control module (in right rear of engine compt, on firewall)
• S113 (near breakout for ground at rear center of engine compt)
• S132
• S209 (near breakout on left kick panel)
• Sci receive
• Sci transmit
• Starting/ charging system
• Stoplight switch (top of brake pedal bracket)
• Tan/red
• Throttle position sensor (on throttle body assembly)
• V32
• V35
• V36
• V37
• W/ abs
• W/o abs

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sport 2002

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sport 2002:

• (between fuel injectors 2 & 3) s128
• (cali only)
• (near break- out for pdc) s101
• (near breakout at right rear of engine block) s123
• (near breakout for camshaft position sensor)
• (near breakout for ho2s) s135
• (near breakout on top right side of transmission)
• (w/ drl)
• 5 v
• A/t
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• Automatic shutdown relay
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• B31
• B32
• C10
• Cam pos sns
• Capacitor
• Crnk pos sns
• Dnstrm ho2s
• Ect sens sig
• Engine starter motor relay
• Exterior lights system (back-up lamps)
• F15
• Fuel injectors
• Fuel pump relay
• Fuse 20a
• Fuse 30a
• Fused b(+)
• G105 (right rear of engine block)
• G60
• Gen field
• Gnd
• Ground
• Headlights system
• Hot at all times
• Iat sens sig
• Idle air 1
• Idle air 2
• Idle air 3
• Idle air 4
• Ign coil 1 drv
• Ign coil 2 drv
• Ign coil 3 drv
• Ign power
• Ignition coil pack
• Inj 1 driver
• Inj 2 driver
• Inj 3 driver
• Inj 4 driver
• Inj 5 driver
• Inj 6 driver
• K11
• K12
• K13
• K14
• K141
• K16
• K17
• K18
• K19
• K20
• K21
• K22
• K24
• K241
• K341
• K38
• K39
• K40
• K41
• K44
• K59
• K60
• M/t
• Map sens sig
• Nca
• Oil press sns
• P/n
• Park/neutral position switch (on left side of transmission)
• Pnp sw sens
• Power distribution center (on right side of engine compt, on inner fender panel)
• Powertrain control module (in right rear of engine compt, on firewall)
• S126 (near break- out for c104, rear of engine compt)
• S130
• S132
• S134
• S153
• Sensor gnd
• Starting/ charging system
• T23
• T41
• Tan
• To spark plugs
• Torque converter clutch solenoid (on transmission valve body)
• Tps sens sig
• Trans l/o sol
• Upstrm ho2s
• Vehicle speed sensor (vss) (on extension housing of transfer case)
• Vss in
• Vss sig
• Z12

4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sport 2002

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sport 2002:

• (near breakout for c104)
• (near breakout for c104, rear of engine compt) s129
• (near breakout for iac motor) s127
• (near breakout for pcm conn c2) s121
• (on exhaust downpipe) heated oxygen sensor (ho2s) (upstream) (ex california)
• (on exhaust manifold) heated oxygen sensor (ho2s) 1 (upstream) (california only)
• (on exhaust manifold) heated oxygen sensor (ho2s) 2 (upstream) (california only)
• (on outlet end of mini-catalytic converter) heated oxygen sensor (ho2s) 1 (downstream) (california only)
• (on outlet end of mini-catalytic converter) heated oxygen sensor (ho2s) 2 (downstream) (california only)
• (on rear of catalytic converter) heated oxygen sensor (ho2s) (downstream) (ex california)
• (top right side of transmission) s133
• (w/ abs)
• (w/o abs)
• 5 v
• B11
• B12
• B13
• B15
• Cali
• Camshaft position sensor (on right side of engine, near oil filter)
• Crankshaft position sensor (on transmission bellhousing, at left rear side of engine block)
• Driver iac 3
• Driver iac 4
• Engine coolant temperature sensor (on thermostat housing)
• Engine oil pressure sensor (right side of engine block)
• Ex cali
• Fuse 10a
• Fuse 15a
• Fuse block (under right side of dash)
• G105 (right rear of engine block)
• Gnd
• Hot in run or start
• Iac 1 driver
• Iac 2 driver
• Idle air control motor (on side of throttle body assembly)
• Intake air temperature sensor (on intake manifold plenum, near throttle body)
• Manifold absolute pressure sensor (on side of throttle body assembly)
• Nca
• Oxygen sensor downstream heater relay (california only)
• Power distribution center (on right side of engine compt, on inner fender panel)
• S102
• S124 (near breakout at right rear of engine block)
• S132
• S137
• S140
• Signal
• Tan

4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sport 2002

List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sport 2002:

• (cali only)
• (left side of steering column) brake transmission shift interlock solenoid
• (near breakout for underhood lamp, rear of engine compt)
• (not used)
• (w/ abs)
• (w/o abs)
• A/c comp rly
• A/c compressor clutch relay
• A/c select in
• A/c sw sense
• A/c system
• A10
• A142
• Asd relay out
• Auto sht rly
• Batt temp sens
• Battery temperature sensor (on bottom of battery tray)
• Brake sw sense
• C10
• C107
• C108
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C202
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C32
• C90
• Cali
• Controller anti-lock brake (at left rear corner of engine compt)
• Cruise control system
• Cruise sw in
• Cruise sw sense
• Cruise vac sol
• Cruise vnt sol
• D21
• D25
• D32
• Data link connector (dlc) (partial) (bottom left side of dash)
• Evap/purge sol
• Evap/purge solenoid (on left fender side shield)
• Ex cali
• Fuel level sens
• Fuel pmp rly
• Fuel pump module (on fuel tank)
• Fuse 10a
• Fuse block (under right side of dash)
• G105 (right rear of engine block)
• G300 (left kick panel)
• Generator
• Ho2s dn rly ctrl
• Ho2s up ctrl
• Hot in run or start
• Instrument cluster
• K106
• K107
• K118
• K125
• K226
• K29
• K299
• K31
• K51
• K512
• K52
• K99
• Leak detect pmp
• Leak detect sw
• Leak detection pump (in left side of engine compt, near evap canister)
• Mil ind
• Pci bus
• Pnk
• Powertrain control module (in right rear of engine compt, on firewall)
• S113 (near breakout for ground at rear center of engine compt)
• S132
• S147
• S209 (near break- out on left kick panel)
• Sci receive
• Sci transmit
• Starting/ charging system
• Stoplight switch (top of brake pedal bracket)
• Tan/red
• Throttle position sensor (on throttle body assembly)
• V32
• V35
• V36
• V37