ENGINE PERFORMANCE – Jeep Wrangler Unlimited X 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L, Engine Performance Wiring Diagram (1 of 5) for Jeep Wrangler Unlimited X 2009

List of elements for 3.8L, Engine Performance Wiring Diagram (1 of 5) for Jeep Wrangler Unlimited X 2009:

• (in engine harness)
• (in engine harness) s121
• (left rear of engine) oxygen sensor 2/2
• (right rear of engine) oxygen sensor 1/2
• (top of cylinder banks)
• 87a
• A209
• A804
• Asd rly out
• B (+)
• Bus (+)
• Bus (-)
• Camshaft position sensor (right front of engine)
• Can c bus (+)
• Can c bus (-)
• Computer data lines system
• D64
• D65
• Egr valve assembly (top left rear of engine)
• Electronics
• Eop sig
• F202
• F342
• F856
• Fuel injector
• Fuse m28 10a
• Fuse m33 10a
• Fused b(+)
• G100 (left rear of engine compt)
• G104 (rear of engine)
• Gen sense
• Gnd
• Ground
• Hot at all times
• Ign sw out
• Ign sw out (unlk-run- start)
• K141
• K243
• K904
• Map sensor (top front of engine)
• O2 1/2 sig
• O2 2/2 sig
• O2 rtn (dn)
• Powertrain control module (left side of engine compartment)
• Red
• Rly out
• Run/ start relay
• Run/ start rly ctrl
• S102
• S122 (in engine harness)
• S128
• S131 (in engine harness)
• S143
• Totally integrated power module (right side of engine compt)
• Z903

3.8L, Engine Performance Wiring Diagram (2 of 5) for Jeep Wrangler Unlimited X 2009

List of elements for 3.8L, Engine Performance Wiring Diagram (2 of 5) for Jeep Wrangler Unlimited X 2009:

• (in engine harness) s138
• (top of fuel tank) fuel pump module
• 87a
• A/c clutch ctrl
• Auto shut down relay
• C13
• Ckp sig
• Cmp sig
• Coil 1 ctrl
• Coil 2 ctrl
• Coil 3 ctrl
• Ect sig
• Egr ctrl
• Egr sig
• Electronics
• Engine coolant temperature sensor (top front of engine)
• Etc motor (+)
• Etc motor (-)
• F855
• Fuel level signal
• Fuel pump ctrl
• Fuel pump output
• Fuse m19 30a
• Fuse m25 20a
• G103 (right side of engine compt)
• Gen field ctrl
• Gen sns
• Generator
• Hot at all times
• Iat sig
• Ignition coil (top of cyl banks)
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• K11
• K12
• K122
• K124
• K125
• K126
• K13
• K14
• K17
• K18
• K19
• K199
• K21
• K22
• K24
• K31
• K34
• K35
• K38
• K41
• K42
• K43
• K44
• K58
• K900
• K902
• K91
• K922
• K942
• K99
• Ks return
• Ks sig
• Map sig
• O2 1/1 htr ctrl
• O2 1/1 sig
• O2 2/1 htr ctrl
• O2 2/1 sig
• O2 rtn (up)
• Oil pressure switch (lower left front of engine)
• Powertrain control module (left side of engine compartment)
• S169
• S308 s307 (base)
• Sens gnd
• Sensor gnd
• Totally integrated power module (right side of engine compt)
• Tp 1 sig
• Tp sens gnd
• Tp sig 2

3.8L, Engine Performance Wiring Diagram (3 of 5) for Jeep Wrangler Unlimited X 2009

List of elements for 3.8L, Engine Performance Wiring Diagram (3 of 5) for Jeep Wrangler Unlimited X 2009:

• (in engine harness)
• (on engine) s137
• C1 p/n
• Crankshaft position sensor (lower right side of engine)
• G104 (rear of engine)
• Input speed sensor (left side of transmission)
• Intake air temperature sensor (top of engine)
• Knock sensor (on engine)
• Output speed sensor (left side of transmission)
• Oxygen sensor 1/1 (right rear of engine)
• Oxygen sensor 2/1 (left rear of engine)
• S132 (engine harness)
• S133
• Throttle body (top of engine)
• Transmission range sensor (top of transmission)
• Transmission temperature sensor

3.8L, Engine Performance Wiring Diagram (4 of 5) for Jeep Wrangler Unlimited X 2009

List of elements for 3.8L, Engine Performance Wiring Diagram (4 of 5) for Jeep Wrangler Unlimited X 2009:

• (left side of transmission) transmission solenoid/trs assembly
• (on engine) s136
• 2/4 ctrl
• 2/4 press sig
• 2/4 press sw
• Electronics
• Fuse j18 20a
• G100 (rear engine compt)
• Ground
• Hot at all times
• Input speed sig
• L/r ctrl
• L/r press sig
• L/r press sw
• Line press ctrl
• Line press sig
• Line pressure sensor/variable force solenoid assembly
• Od ctrl
• Od press sig
• Od press sw
• Out speed sig
• Powertrain control module (left side of engine compt)
• S143
• Sens gnd
• T118
• T13
• T14
• T15
• T16
• T19
• T20
• T38
• T41
• T42
• T47
• T50
• T52
• T54
• T59
• T60
• Totally integrated power module (right side of engine compt)
• Trans ctrl
• Trans ctrl out
• Transmission control relay
• Transmission ctrl
• Trs t1 sig
• Trs t3 sig
• Trs t41 sig
• Trs t42 sig
• Tts sig
• Ud ctrl
• Z903

3.8L, Engine Performance Wiring Diagram (5 of 5) for Jeep Wrangler Unlimited X 2009

List of elements for 3.8L, Engine Performance Wiring Diagram (5 of 5) for Jeep Wrangler Unlimited X 2009:

• (base of accelerator pedal) accelerator pedal position sensor
• (except base)
• (rear of engine compt)
• A/c cltch ctrl
• App 1 sens gnd
• App 1 sig
• App 2 sens gnd
• App 2 sig
• Asd rly ctrl
• B15
• B16
• Brake sig 1
• Brake sig 2
• C13
• Clutch
• Clutch interlk sig
• Clutch interlock switch (m/t)
• Esm sig
• Evap purge ctrl
• Evap purge rtn
• Evap system monitor switch (on evap canister, near fuel tank)
• Evap/purge solenoid (right rear of engine compt)
• F342
• Fuel pmp ctrl
• Fused asd rly out
• G103 (right side of engine compt)
• Gnd
• Interlk switch
• K107
• K167
• K23
• K29
• K299
• K31
• K399
• K400
• K51
• K52
• K70
• O2 1/2 htr ctrl
• O2 2/2 htr ctrl
• Pnk
• Powertrain control module (left side of engine compt)
• S/c rtn
• S/c sig 1
• S/c sig 2
• S308 s307 (base)
• Sc sig 2
• Speed control switch
• Starter rly ctrl
• Starting/ charging system
• Steering control module
• Stop lamp switch (base of brake pedal)
• T141
• T752
• V71
• V72
• V937