ENGINE PERFORMANCE – Jeep Grand Cherokee Limited 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L TURBO DIESEL

3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (1 of 8) for Jeep Grand Cherokee Limited 2014:

• (top center of engine, in engine harness) sp1939
• (top of right cylinder bank) glow plug 5
• 5v sply
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Air tmp rtn
• Air tmp sig
• App sig 1
• App sig 2
• App snsr gnd 1
• App snsr gnd 2
• Asd ctrl o/p
• Asd rly ctrl
• Auto shut down relay
• C818
• C918
• Can c (+)
• Can c (-)
• Computer data lines system
• Cooling fans system
• D27
• D28
• D468
• D469
• Def lvl/temp sig
• Eng air intake tmp sig
• Eng air tmp out rtn
• Eng air tmp out sig
• Eop snsr gnd
• Exhaust 5v sply
• Exhaust deferential pressure sensor
• Exhaust diff
• Exhaust snsr gnd
• F342
• F344
• Fuse 15a
• Fuse 20a
• Fuse 25a
• G909a (left rear of engine compt)
• Glow plug 5 ctrl
• Gnd
• Hot at all times
• I3000
• I9030
• I9050
• Inlet air press sig
• Inlet air snsr sig
• Intake air temperature sensor (top center of engine)
• K110
• K142
• K167
• K175
• K188
• K354
• K362
• K400
• K414
• K49
• K50
• K51
• K648
• K68
• K69
• K757
• K79
• K852
• K854
• K923
• K936
• K951
• Maf sply
• Mass air low sig
• Mass air low sig 2
• O2 1/1 htr ctrl
• Oil press snsr 5v sply
• Power distribution center (right side of engine compt)
• Powertrain control module (right front of engine compt)
• Press 5v sply
• Press sig
• Press snsr gnd
• Prvt can (+)
• Prvt can (-)
• Rad fan ctrl
• Scr relay 2
• Snsr gnd
• Sp2388 (right front of engine compt, in headlamp & dash harness)
• Starting/ charging system
• Strt rly ctrl
• T752
• Watr in fuel snsr gnd
• Z909

3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (2 of 8) for Jeep Grand Cherokee Limited 2014:

• (in exhaust, upstream of catalytic converter) oxygen sensor 1/1
• (left front of engine compt) a/c pressure transducer
• (left rear of engine compt, in headlamp & dash harness) sp1936
• (top of left cylinder bank) glow plug 4
• 5v vref
• A/c clutch ctrl
• A/c press sig
• Air conditioning system
• App sig 1
• App sig 2
• C13
• C18
• Catalyst sig
• Computer data lines system
• Crankcase press snsr sig
• Crankcase vent htr ctrl
• Currnt ctrl
• D509
• Def lvl/temp rtn
• Def sply pmp ctrl
• Eng air intake temp rtn
• Exhaust diffrnt press sig
• Exhaust gas temperature catalyst sensor
• Exhaust gas temperature sensor 1/1
• Exhaust gas temperature sensor 1/2
• Exhaust temp snsr 1 sig
• Exhaust temp snsr 2 sig
• F942
• Fsd asd rly o/p
• Fsd ign sw o/p (run-strt)
• Fuel pmp ctrl
• Fuel temp sig
• Fuel temp snsr rtn
• G123
• Glow plug 4 ctrl
• I9050
• K137
• K156
• K159
• K23
• K29
• K302
• K31
• K352
• K355
• K372
• K384
• K385
• K401
• K402
• K41
• K420
• K482
• K64
• K89
• K900
• K902
• K914
• Lin bus
• N116
• O2 1/1 htr ctrl
• O2 1/1 post curnt ctrl
• O2 1/1 postv o2 1/1 sig
• O2 1/1 sig
• O2 rtn (upstream)
• O2 rtn upstrm
• Powertrain control module (right front of engine compt)
• Press rtn
• Press sig
• Scr rly 1 ctrl
• Scr rly 2 ctrl
• Snsr 1
• Snsr 2
• Snsr gnd
• Temp snsr catalyst sig
• Wastegate sol ctrl
• Wif snsr 1 sig

3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (3 of 8) for Jeep Grand Cherokee Limited 2014:

• (left rear of engine) boost pressure servo motor
• (lower left rear of engine block) crankcase vent heater
• (on air intake duct) mass air flow sensor
• (right front of engine compt, in headlamp & dash harness)
• (top of left cylinder bank) glow plug 2
• (top of right cylinder bank) glow plug 1
• (top of right cylinder bank) glow plug 3
• 5v sply
• Air flow temp sig
• Air hmdty snsr sig
• Air temp rtn
• Air temp sig
• Can (+)
• Can (-)
• Crankcase sensor (lower left front of engine block)
• Fsd asd rly o/p
• G909a (left rear of engine compt)
• Glow plug 1 ctrl
• Glow plug 2 ctrl
• Glow plug 3 ctrl
• Gnd
• Htr ctrl crankcase vent
• I6602a
• I6604a
• I9030
• Inlet air press sig
• Inlet air temperature sensor (top rear of engine)
• Jumper harness)
• Mass air flow sig 2
• Mass air flow sply
• Nox sensor 1/2 (in selective catalytic reduction catalyst)
• Particulate matter sensor (on diesel particulate filter assembly)
• Press snsr sig
• Prvt
• Prvt can (+)
• Prvt can (-)
• Red
• S8801a
• S8801b (under center of vehicle, in rear sensor jumper harness)
• Snsr gnd
• Snsr rtn
• Sp1917
• Sp1922
• Sp1932 (right kick panel, in under body harness)
• Sp2580
• Sw o/p fsd ign
• Wastegate sol ctrl

3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (4 of 8) for Jeep Grand Cherokee Limited 2014:

• (right rear of engine) glow plug module
• A202
• A203
• A204
• A208
• A211
• A216
• A29
• Body control module (right end of dash)
• Can ihs (+)
• Can ihs (-)
• Computer data lines system
• D145
• D146
• D509
• Diesel fuel heater relay
• F343
• F817
• Fsd asd ryl o/p
• Fsd b(+)
• Fuel lve snsr rtn
• Fuel lve snsr sig
• Fuel lvl sig 2
• Fuel pmp ctrl o/p
• Fuel pmp sig
• Fuel pump control module (top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G109
• G123
• G909a (left rear of engine compt)
• G917a (base of left "c" pillar)
• Glow plug 1 ctrl
• Glow plug 2 ctrl
• Glow plug 3 ctrl
• Glow plug 4 ctrl
• Glow plug 5 ctrl
• Glow plug 6 ctrl
• Gnd
• Hot at all times
• Hot w/ run/start relay energized
• I3000
• I4000
• I4100
• I4300
• I9030
• K156
• K159
• K923
• Lin bus
• Power distribution center (right side of engine compt)
• Red
• Snsr gnd
• Snsr sig
• Sp2025
• Sp2580
• Sw batt 17
• Temp snsr rtn
• Z909
• Z917

3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (5 of 8) for Jeep Grand Cherokee Limited 2014:

• (behind rear of left quarterpanel) heater control module
• (behind right end of rear fascia, in under body harness) sp1943
• (under center rear of vehicle, in under body harness) sp2576
• A914
• Auxiliary power distribution center (left rear of engine compt)
• B13
• B14
• B15
• B17
• C1 htr sply scr module
• C2 gnd
• D468
• D469
• Def lvl/
• Def purge
• Def sply
• Def tank
• F343
• Fsd asd
• Fsd b (+)
• Fsd ign
• Fsd sply
• Fuse 30a
• G909a (left rear of engine compt)
• G917a (base of left "c" pillar)
• Gnd
• Hot at all times
• Htr sply
• I3000
• I6602b
• K403
• K404
• Line htr sply
• Nox sensor 1/1 (in diesel oxidation catalyst/ particulate filter inlet elbow)
• Pmp ctrl
• Prvt can (+)
• Prvt can (-)
• Pvrt can (+)
• Pvrt can (-)
• Red
• Rly o/p
• Scr module
• Scr relay 1
• Sp1913
• Sp1918 (base of right "a" pillar, in under body harness)
• Sp2583
• Sw o/p
• Tank htr sply
• Temp rtn
• Temp sig
• Urea line pressure heater 1
• Urea quality sensor (on urea tank assembly)
• Urea tank assembly (under center rear of vehicle)
• Z909

3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (6 of 8) for Jeep Grand Cherokee Limited 2014:

• (top center of engine) egr cooling bypass actuator
• (top center rear of engine) boost pressure sensor
• 5v actutr swirl end postn
• 5v sply
• Actutr swirl end postn rtn
• Boost press sig
• Camshaft postn 5v sply
• Camshaft postn gnd
• Camshaft postn sig
• Combo press & temp snsr rtn
• Crank postn 5v sply
• Def injector positive
• Def injectr postve
• Def purge pmp ctrl
• Diesel exhaust fluid injector
• Egr 5v sply
• Egr air flow ctrl sply
• Egr bypass vlv sig
• Egr ctrl 2
• Egr sig
• Egr snsr gnd
• Exhaust differential temperature sensor
• Exhaust gas sig
• Exhaust gas temperature sensor 1/3
• Fsd asd rly o/p
• Fuel press 12v sply
• Fuel press 5v sply
• Fuel press snsr gnd
• Fuel qunty ctrl
• Fuse 60a
• Hot at all times
• I3000
• I9030
• I9070
• Inj 1 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj ctrl 2
• Inj ctrl 5
• Inj hi side drv bnk 1
• Inj hi side drv bnk 2
• Intake swirl servo mtr ctrl
• K12
• K22
• K227
• K229
• K313
• K315
• K350
• K351
• K359
• K365
• K369
• K37
• K38
• K388
• K426
• K428
• K44
• K481
• K611
• K613
• K614
• K668
• K670
• K683
• K684
• K690
• K834
• K844
• K853
• K915
• K922
• K934
• K944
• K945
• Left feed
• Left rtn
• N117
• N121
• N122
• N123
• N124
• Oil press sig
• Oil pressure switch (lower left rear of engine)
• Powertrain control module (right front of engine compt)
• Red
• Remote jump positive post (right rear of engine compt)
• Right feed
• Right rtn
• Snsr 3
• Snsr gnd
• Sp2578
• Temp snsr rtn combo press &
• Tp 1 sig
• Tp snsr rtn
• Ttva mtr (-)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (7 of 8) for Jeep Grand Cherokee Limited 2014:

• (right front of engine compt, in engine harness) sp1971
• (right rear of engine) throttle valve actuator
• (right side of engine) egr temperature sensor
• (right side of engine) egr valve assembly
• (top front of engine) swirl valve position sensor 1
• (top of left cylinder bank)
• (top of right cylinder bank)
• (top right side of engine) swirl actuator
• 5v actutr swirl end postn
• Actutr swirl end postn rtn
• Drv bnk 1
• Drv bnk 2
• Egr 5v sply
• Egr air flow ctrl sply
• Egr ctrl 1
• Egr ctrl 2
• Egr sig
• Egr snsr gnd
• Egr temp snsr sig
• Fsd asd rly o/p
• Fuel injector 1
• Fuel injector 3
• Fuel injector 4
• Fuel injector 6
• Fuel press
• Fuel press 12v sply
• Fuel pressure solenoid (top left front of engine)
• I9300
• Inj 1 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 6 ctrl
• Inj hi side
• Intake swirl servo mtr ctrl
• Left feed
• Left rtn
• Regultr ctrl
• Right feed
• Right rtn
• Snsr gnd
• Sp1970 (right front of engine compt, in engine harness)
• Swirl act left sig
• Swirl act right sig
• Swirl valve position sensor 2 (top right rear of engine)
• Tp 1 sig
• Tp snsr rtn
• Ttva mtr (+)
• Ttva mtr (-)

3.0L Turbo Diesel, Engine Performance Wiring Diagram (8 of 8) for Jeep Grand Cherokee Limited 2014

List of elements for 3.0L Turbo Diesel, Engine Performance Wiring Diagram (8 of 8) for Jeep Grand Cherokee Limited 2014:

• (front of left cylinder head) camshaft position sensor
• (left side of engine block) crankshaft position sensor
• (rear of fuel rail assembly) fuel pressure sensor
• (top of left cylinder bank) fuel injector 2
• (top of right cylinder bank) fuel injector 5
• 12v sply
• Camshaft postn 5v sply
• Camshaft postn gnd
• Camshaft postn sig
• Crank postn 5v sply
• Crank postn gnd
• Crank postn sig
• Egr ctrl 1
• Egr temp snsr sig
• Eng colnt temp
• Eng colnt temp sig
• Eng colnt temp snsr rtn
• Engine coolant temperature sensor (top center front of engine)
• Exhaust gas press snsr sig
• Exhaust temp snsr 3 sig
• Fuel press 5v sply
• Fuel press regultr ctrl
• Fuel press sig
• Fuel press snsr gnd
• Fuel qunty ctrl
• Fuel qunty sol
• Fuel qunty sol 12v sply
• Fuel volume control solenoid (top right front of engine)
• G224
• G924
• Glow plug 6 (top of left cylinder bank)
• Glow plug 6 ctrl
• I9070
• Inj 2 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj ctrl 2
• Inj ctrl 5
• K181
• K200
• K24
• K314
• K366
• K373
• K386
• K612
• K638
• K646
• K658
• K682
• K925
• K935
• N118
• N119
• Oil temp snsr gnd
• Oil temp snsr sig
• Oil temperature sensor (lower left rear of engine)
• Powertrain control module (right front of engine compt)
• Snsr rtn
• Swirl act left sig
• Swirl act right sig
• Ttva mtr (+)

3.6L

3.6L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Limited 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Limited 2014:

• (in left exhaust, downstream of catalytic converter) oxygen sensor 1/2
• (in right exhaust, downstream of catalytic converter) oxygen sensor 2/2
• (right rear of engine, in engine harness)
• (top of right cylinder bank, in engine harness) sp2191
• (under intake manifold, in left cylinder head) knock sensor 1
• (under intake manifold, in right cylinder head) knock sensor 2
• 1/1 sig
• 1/2 sig
• 2/1 sig
• 2/2 sig
• 5v sply
• A804
• Coil 1 ctrl
• Coil 2 ctrl
• Coil 3 ctrl
• Dnstrm o2 rtn
• Ect sig
• Engine coolant temperature sensor (rear of left cylinder head)
• Eot sig
• Etc mtr (+)
• Etc mtr (-)
• G24
• G903a (right front of engine compt)
• Gen fld ctrl
• Gen sens
• Gnd
• Htr ctrl
• Htr ctrl sply
• I9200
• Iat sig
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Intake air temperature sensor (right rear of engine)
• K11
• K12
• K13
• K14
• K141
• K17
• K18
• K19
• K20
• K21
• K242
• K243
• K276
• K299
• K41
• K42
• K43
• K447
• K448
• K76
• K902
• K904
• K924
• K942
• K99
• Ks 1 rtn
• Ks 1 sig
• Ks 2 rtn
• Ks 2 sig
• Map sig
• Oil press sig
• Oil temperature sensor (top center rear of engine)
• Powertrain control module (right front of engine compt)
• Sens gnd
• Sp2192
• Starting/charging system
• Throttle body (right rear of engine)
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn
• Upstrm o2 rtn
• Vvt ext 1/2 ctrl
• Vvt int 1/1 ctrl

3.6L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Limited 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Limited 2014:

• (in left exhaust, upstream of catalytic converter) oxygen sensor 1/1
• (in right exhaust, upstream of catalytic converter) oxygen sensor 2/1
• (rear of left cylinder head) camshaft position sensor 2
• (rear of right cylinder bank, in engine harness) sp2186
• (rear of right cylinder bank, in engine harness) sp2470
• (rear of right cylinder head) camshaft position sensor 1
• (right front of engine compt, in engine harness) sp2176
• (right side of engine block) crankshaft position sensor
• (top center rear of engine, in engine harness) sp2190
• 1/1 sig
• 2/1 sig
• 5v sply
• Cnkshft pos gnd
• Cnkshft pos sig
• Coil 4 ctrl
• Coil 5 ctrl
• Coil 6 ctrl
• F855
• F856
• Fsd asd rly o/p
• G62
• G903a (right front of engine compt)
• Gnd
• Htr ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• K10
• K122
• K15
• K16
• K199
• K22
• K24
• K277
• K38
• K399
• K44
• K441
• K444
• K445
• K58
• K78
• K900
• K915
• K922
• K925
• Map sig
• Mass absolute pressure sensor
• Oil press sol ctrl
• Pos sig cnkshft
• Powertrain control module (right front of engine compt)
• Rly o/p fsd asd
• Sens 2 sig
• Sens 3 sig
• Sens 4 sig
• Sens gnd
• Sens sig
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn
• Upstrm o2 rtn
• Vvt ext 2/2 ctrl
• Vvt int 2/1 ctrl

3.6L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Limited 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Limited 2014:

• (front of left cylinder bank) camshaft position solenoid 2/1
• (front of left cylinder bank) camshaft position solenoid 2/2
• (front of right cylinder bank) camshaft position solenoid 1/1
• (front of right cylinder bank) camshaft position solenoid 1/2
• (lower right front of engine) oil pump solenoid
• (on oil filter bracket) oil pressure sensor
• (right end of dash) body control module
• (top of fuel tank) fuel pump module
• 2/1 ctrl vvt intake
• 2/2 ctrl vvt ext
• 5v sply
• Can c (+)
• Can c (-)
• Coil 1 ctrl
• Coil 2 ctrl
• Coil 3 ctrl
• Coil 4 ctrl
• Coil 5 ctrl
• Coil 6 ctrl
• Computer data lines system
• Ctrl o/p fuel pump
• D45
• D46
• Esim sig
• Evap system monitor switch (under left rear of vehicle)
• Fsd asd rly o/p
• Fuel lvl sens rtn
• Fuel lvl sens sig
• G109
• G903a (right front of engine compt)
• G917a (base of left "c" pillar)
• Gnd
• I3000
• I4000
• I6602a
• I9000a
• I9200
• Ignition capacitor (rear of left cylinder bank)
• Ignition capacitor 2 (rear of right cylinder bank)
• Ignition coil 1 (top of right cylinder bank)
• Ignition coil 2 (top of left cylinder bank)
• Ignition coil 3 (top of right cylinder bank)
• Ignition coil 4 (top of left cylinder bank)
• Ignition coil 5 (top of right cylinder bank)
• Ignition coil 6 (top of left cylinder bank)
• Oil press sig
• S344 (top center rear of engine, in injector harness)
• Sens gnd
• Sens rtn fuel lvl
• Sens sig fuel lvl
• Sol ctrl oil press
• Vvt ext 1/2 ctrl
• Vvt intake 1/1 ctrl
• Z916

3.6L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Limited 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Limited 2014:

• (right front of engine compt, in headlamp & dash harness) sp2389
• 5v sply
• A/c cltch coil
• A209
• Air conditioning system
• App sens 1 gnd
• App sens 2 gnd
• App sig 1
• App sig 2
• Asd ctrl output
• Asd rly ctrl
• Auto shutdown relay
• C13
• Can c(+)
• Computer data lines system
• Ctrl
• D27
• Esim sig
• Evap prg
• Evap/purge solenoid (top right side of engine)
• F342
• Fuel pmp ctrl
• Fuel pump relay
• Fuel tank pres sens rtn
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fused b (+)
• G903a (right front of engine compt)
• G909b (right front of engine compt)
• Gnd
• Hi spd rad fan ctrl
• Hot at all times
• Hot w/ run/start relay energized
• I4300
• I9000a
• I9030
• K108
• K167
• K23
• K29
• K31
• K400
• K51
• K52
• K852
• K854
• N10
• N112
• Power distribution center (right side of engine compt)
• Powertrain control module (right front of engine compt)
• Pwm prg sig
• Red
• Sp2169 (right side of engine compt, in engine harness)
• Starter rly ctrl
• Starting/ charging system
• T752
• Z909

3.6L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Limited 2014

List of elements for 3.6L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Limited 2014:

• (left front of engine compt) a/c pressure transducer
• (right rear of engine, in injector harness) s342
• (right side of engine compt, in headlamp & dash harness) sp1846
• (top of accelerator pedal assembly) accelerator pedal position sensor
• (top of left cylinder bank)
• (top of right cylinder bank)
• 5v sply
• A fuel tank
• A/c pres sig
• Air conditioning system
• Anti-lock brakes system
• App sens 1 gnd
• App sens 2 gnd
• App sig 1
• App sig 2
• B fuel tank
• C fuel tank press
• C18
• Can c (-)
• Computer data lines system
• D28
• F344
• F942
• Fsd asd rly output
• Fsd ign sw output
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel pressure sensor (rear of fuel rail assembly)
• Fuel tank press sens sply
• Fuel tank press sig
• I3000
• I6602a
• I9030
• K914
• N201
• Powertrain control module (right front of engine compt)
• Press sens rtn
• Press sig
• Rad fan rly ctrl
• Sens gnd
• Sens sply
• T110
• Vcm pmp rly ctrl

5.7L

5.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 5.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Limited 2014:

• (right side of engine compt, in headlamp & dash harness) sp1846
• 5v sply
• 87a
• A fuel tank
• A/c press sig
• A/c pressure transducer (left front of engine compt)
• Auto shut down relay
• B fuel tank
• C fuel tank
• C18
• Can c (-)
• Computer data lines system
• Cooling fans system
• D28
• F942
• Fuel pump relay
• Fuel tank press snsr sply
• Fuel tank pressure sensor (rear of fuel rail assembly)
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Hot at all times
• Hot w/ run/start relay energized
• I3000
• I6602a
• I9030
• K175
• K914
• Power distribution center (right side of engine compt)
• Powertrain control module (right front of engine compt)
• Press sens rtn
• Press sens sig
• Press snsr sply
• Rad fan rly ctrl
• Red
• Run start rly out fuel tank press sens sig
• Snsr gnd
• T110
• Vacuum pump relay
• Vacuum pump rly ctrl

5.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Limited 2014:

• (right end of dash) body control module
• (top center front of engine) vacuum pump
• (top of accelerator pedal assembly) accelerator pedal position sensor
• 5v sply
• App sens gnd 1
• App sens gnd 2
• App sig 1
• App sig 2
• Can c (+)
• Can c (-)
• Computer data lines system
• D45
• D46
• Esim sig
• Evap system monitor switch (under left rear of vehicle)
• Fuel lvl sens rtn
• Fuel lvl sens sig
• Fuel pmp ctrl out
• Fuel pump module (top of fuel tank)
• G109
• G906a (right front of engine compt)
• G917a (base of left "c" pillar)
• Gnd
• I3000
• I4000
• I4300
• I6602a
• Red
• Snsr gnd
• Vacuum pump rly ctrl fd
• Z917

5.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Limited 2014:

• (right rear of engine compt, in headlamp & dash harness) sp2386
• (right side of engine compt, in engine harness) sp2169
• (top center front of engine) variable camshaft timing solenoid
• (under intake manifold, at 1, 4, 7 & 6 cylinders)
• 5v sply
• A/c cltch coil
• A209
• Air conditioning system
• App sens gnd 1
• App sens gnd 2
• App sig 1
• App sig 2
• Asd ctrl out
• Asd rly ctrl
• C13
• Can c (+)
• Computer data lines system
• Cooling fans system
• D27
• Esim sig
• Evap prge ctrl
• F342
• Fsd b +)
• Fuel pump ctrl
• G903a (right front of engine compt)
• G909b (right front of engine compt)
• Gnd
• I9030
• I9100
• K108
• K167
• K23
• K29
• K31
• K400
• K51
• K52
• K852
• K854
• Loe spd rad fan ctrl
• Multi displacement system cylinder solenoid 1
• Multi displacement system cylinder solenoid 4
• Multi displacement system cylinder solenoid 6
• Multi displacement system cylinder solenoid 7
• N10
• N112
• Powertrain control module (right front of engine compt)
• Press sens rtn fuel tank gnd
• Red
• Sol ctrl 1
• Sol ctrl 4
• Sol ctrl 6
• Sol ctrl 7
• Starting/ charging system
• Strtr rly ctrl
• T752
• Vct sig
• Z909

5.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Limited 2014:

• (front of left cylinder head) engine coolant temperature sensor
• (front of right cylinder head) camshaft position sensor
• (right side of engine block) crankshaft position sensor
• (top center front of engine, in engine harness) sp2170
• (top center rear of engine) manifold absolute pressure sensor
• (top left side of engine, in engine harness) sp2173
• (top of left cylinder bank)
• (top of right cylinder bank)
• (top of right cylinder bank, in engine harness) sp2186
• 5v sply
• Crkshft postn gnd
• Crkshft postn sig
• Ect sig
• Evap purge solenoid (left rear of engine)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• G903a (right front of engine compt)
• Gnd
• I9030
• Map sig
• Sens gnd
• Sens sig
• Sig evap prge
• Sp2470 (front of right cylinder bank, in engine harness)

5.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 5.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Limited 2014:

• (center of
• (in left exhaust, upstream of catalytic converter) oxygen sensor 1/1
• (in right exhaust, upstream of catalytic converter) oxygen sensor 2/1
• (lower right front of engine) oil temperature sensor
• (on oil filter bracket) oil pressure sensor
• (rear of right cylinder bank, in engine harness) sp2190
• (top left front of engine) intake air temperature sensor
• 1/1 sig
• 2/1 sig
• 5v sply
• A804
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Ect sig
• Eot sig
• Etc mtr (+)
• G24
• G903a (right front of engine compt)
• Gen field ctrl
• Gen sens
• Gnd
• Htr ctrl
• Htr ctrl sply
• Iat sig
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• K11
• K12
• K13
• K14
• K141
• K17
• K18
• K19
• K20
• K21
• K242
• K243
• K299
• K41
• K42
• K43
• K442
• K447
• K448
• K451
• K452
• K453
• K902
• K904
• K924
• K942
• K99
• Ks 1 rtn
• Ks 1 sig
• Ks 2 rtn
• Ks 2 sig
• Left side of engine block) knock sensor 1
• Map sig
• O2 1/2 sig
• O2 2/2 sig
• O2 rtn (dnstrm)
• O2 rtn (upstrm)
• Oil press sens
• Powertrain control module (right front of engine compt)
• Right side of engine block) knock sensor 2
• Sens gnd
• Sol ctrl 1
• Sol ctrl 4
• Sol ctrl 6
• Sp1725
• Starting/ charging system
• Vct ctrl

5.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 5.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Limited 2014:

• (in left exhaust, downstream of catalytic converter) oxygen sensor 1/2
• (in right exhaust, downstream of catalytic converter) oxygen sensor 2/2
• (left front of engine) throttle body
• (rear of engine, in engine harness) sp2558
• (right front of engine compt, in engine harness) sp2176
• (top center rear of engine, in engine harness.) sp2191
• (top of left cylinder bank)
• (top of right cylinder bank)
• (top of right cylinder bank, in engine harness) sp1939
• 5v sply
• Cmp sig
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Coil ctrl 7
• Coil ctrl 8
• Crkshft postn gnd
• Crkshft postn sig
• Etc mtr (+)
• Etc mtr (-)
• F855
• F856
• Fsd asd rly out
• G903a (right front of engine compt)
• Gnd
• Htr ctrl
• Htr ctrl sply
• Ignition capacitor
• Ignition capacitor 2 (rear of right cylinder bank)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Inj ctrl 5
• Inj ctrl 6
• Inj ctrl 7
• Inj ctrl 8
• K10
• K122
• K15
• K16
• K199
• K22
• K24
• K26
• K28
• K38
• K399
• K44
• K454
• K58
• K900
• K915
• K922
• K925
• K97
• K98
• O2 1/2 sig
• O2 2/2 htr ctrl
• O2 2/2 sig
• O2 rtn (dnstrm)
• Powertrain control module (right front of engine compt)
• Sens gnd
• Snsr gnd
• Sol ctrl 7
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn

6.4L

6.4L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 6.4L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Limited 2014:

• (right side of engine compt, in headlamp & dash harness) sp1846
• 5v sply
• 87a
• A fuel tank
• A/c press sig
• A/c pressure transducer (left front of engine compt)
• Auto shut down relay
• B fuel tank
• C fuel tank
• C18
• Can c (-)
• Computer data lines system
• Cooling fans system
• D28
• F942
• Fuel pump relay
• Fuel tank press snsr sply
• Fuel tank pressure sensor (rear of fuel rail assembly)
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Hot at all times
• Hot w/ run/ start relay energized
• I3000
• I6602a
• I9030
• K175
• K914
• Power distribution center (right side of engine compt)
• Powertrain control module (right front of engine compt)
• Press sens rtn
• Press sens sig
• Press snsr sply
• Rad fan rly ctrl
• Red
• Run start rly out fuel tank press sens sig
• Snsr gnd
• T110
• Vacuum pump relay
• Vacuum pump rly ctrl

6.4L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 6.4L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Limited 2014:

• (right end of dash) body control module
• (top center front of engine) vacuum pump
• (top of accelerator pedal assembly) accelerator pedal position sensor
• 5v sply
• App sens gnd 1
• App sens gnd 2
• App sig 1
• App sig 2
• Can c (+)
• Can c (-)
• Computer data lines system
• D45
• D46
• Esim sig
• Evap system monitor switch (under left rear of vehicle)
• Exhaust differential pressure sensor
• Exhst gas
• Fuel lvl sens rtn
• Fuel lvl sens sig
• Fuel pmp ctrl out
• Fuel pump module (top of fuel tank)
• G109
• G906a (right front of engine compt)
• G917a (base of left "c" pillar)
• Gnd
• I3000
• I4000
• I4300
• I6602a
• I8200
• I9030
• Red
• Sens sig
• Snsr gnd
• Vacuum pump rly ctrl fd
• Z917

6.4L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 6.4L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Limited 2014:

• (right rear of engine compt, in headlamp & dash harness) sp2386
• (right side of engine compt, in engine harness) sp2169
• (top center front of engine) variable camshaft timing solenoid
• (under intake manifold, at 1, 4, 7 & 6 cylinders)
• 5v sply
• A/c cltch coil
• A209
• Air conditioning system
• App sens gnd 1
• App sens gnd 2
• App sig 1
• App sig 2
• Asd ctrl out
• Asd rly ctrl
• C13
• Can c (+)
• Computer data lines system
• Cooling fans system
• D27
• Esim sig
• Evap prge ctrl
• F342
• Fsd b +)
• Fuel pump ctrl
• Fuel tank gnd
• G903a (right front of engine compt)
• G909b (right front of engine compt)
• Gnd
• I9030
• I9100
• K108
• K167
• K23
• K29
• K31
• K400
• K51
• K52
• K852
• K854
• Loe spd rad fan ctrl
• Multi displacement system cylinder solenoid 1
• Multi displacement system cylinder solenoid 4
• Multi displacement system cylinder solenoid 6
• Multi displacement system cylinder solenoid 7
• N10
• N112
• Powertrain control module (right front of engine compt)
• Press sens rtn
• Red
• Sol ctrl 1
• Sol ctrl 4
• Sol ctrl 6
• Sol ctrl 7
• Starting/ charging system
• Strtr rly ctrl
• T752
• Vct sig
• Z909

6.4L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 6.4L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Limited 2014:

• (front of left cylinder head) engine coolant temperature sensor
• (front of right cylinder head) camshaft position sensor
• (right side of engine block) crankshaft position sensor
• (top center rear of engine) manifold absolute pressure sensor
• (top left side of engine, in engine harness) sp2173
• (top of left cylinder bank)
• (top of right cylinder bank)
• (top of right cylinder bank, in engine harness) sp2186
• (top right rear of engine, in engine harness) sp2170
• 5v sply
• Crkshft postn gnd
• Crkshft postn sig
• Ect sig
• Evap purge solenoid (left rear of engine)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• G903a (right front of engine compt)
• Gnd
• I9030
• Map sig
• Sens gnd
• Sens sig
• Sig evap prge
• Sp2470 (front of right cylinder bank, in engine harness)

6.4L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 6.4L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Limited 2014:

• (center of left side of engine block) knock sensor 1
• (center of right side of engine block) knock sensor 2
• (in left exhaust, upstream of catalytic converter) oxygen sensor 1/1
• (in right exhaust, upstream of catalytic converter) oxygen sensor 2/1
• (lower right front of engine) oil temperature sensor
• (on oil filter bracket) oil pressure sensor
• (rear of right cylinder bank, in engine harness) sp2190
• (top left front of engine) intake air temperature sensor
• 1/1 sig
• 2/1 sig
• 5v sply
• A804
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Ect sig
• Eot sig
• Etc mtr (+)
• G24
• G903a (right front of engine compt)
• Gen field ctrl
• Gen sens
• Gnd
• Htr ctrl
• Htr ctrl sply
• Iat sig
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• K11
• K12
• K13
• K14
• K141
• K17
• K18
• K19
• K20
• K21
• K242
• K243
• K299
• K41
• K42
• K43
• K442
• K447
• K448
• K451
• K452
• K453
• K902
• K904
• K924
• K942
• K99
• Ks 1 rtn
• Ks 1 sig
• Ks 2 rtn
• Ks 2 sig
• Map sig
• O2 1/2 sig
• O2 2/2 sig
• O2 rtn (dnstrm)
• O2 rtn (upstrm)
• Oil press sens
• Powertrain control module (right front of engine compt)
• Sens gnd
• Sol ctrl 1
• Sol ctrl 4
• Sol ctrl 6
• Sp1725
• Starting/ charging system
• Vct ctrl

6.4L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Limited 2014

List of elements for 6.4L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Limited 2014:

• (center rear of engine) short runner valve solenoid
• (in left exhaust, downstream of catalytic converter) oxygen sensor 1/2
• (in right exhaust, downstream of catalytic converter) oxygen sensor 2/2
• (left front of engine) throttle body
• (rear of engine, in engine harness) sp2558
• (right front of engine compt, in engine harness) sp2176
• (top center rear of engine, in engine harness) sp2191
• (top of left cylinder bank)
• (top of right cylinder bank)
• (top of right cylinder bank, in engine harness) sp1939
• 5v sply
• Cmp sig
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Coil ctrl 7
• Coil ctrl 8
• Crkshft postn gnd
• Crkshft postn sig
• Ctrl sig srv actuator
• Etc mtr (+)
• Etc mtr (-)
• Exhst gas press sens sig
• F855
• F856
• Fsd asd rly out
• G903a (right front of engine compt)
• Gnd
• Htr ctrl
• Htr ctrl sply
• Ignition capacitor (rear of left cylinder bank)
• Ignition capacitor 2 (rear of right cylinder bank)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Inj ctrl 5
• Inj ctrl 6
• Inj ctrl 7
• Inj ctrl 8
• K10
• K122
• K15
• K16
• K199
• K22
• K237
• K238
• K24
• K26
• K28
• K373
• K38
• K399
• K44
• K454
• K58
• K900
• K915
• K922
• K925
• K97
• K98
• O2 1/2 sig
• O2 2/2 htr ctrl
• O2 2/2 sig
• O2 rtn (dnstrm)
• Powertrain control module (right front of engine compt)
• Sens gnd
• Snsr gnd
• Sol ctrl 7
• Srv actuator ctrl sig
• Srv sens out
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn