ENGINE PERFORMANCE — Hyundai Sonata LX 2003 — SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.4L

2.4L, Engine Performance Wiring Diagram, A/T (1 of 5) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, A/T (1 of 5) for Hyundai Sonata LX 2003:

• (on top right side of engine) egr solenoid valve
• 5v sens power
• A/c press sw in
• A/c rly ctrl
• A/c system
• A/t rly ctrl
• Acc
• Afs
• Air temp sens
• Airflow sens sig
• Ats
• Battery
• C42
• C44-1
• C44-2
• Camshaft position sensor (on left rear of cyl head)
• Ccv ctrl
• Charging system
• Check engine ind
• Ckp sens sig
• Closing
• Cmp sens sig
• Cooling fans system
• Crankshaft position sensor (on front of engine, above crank- shaft sprocket)
• Ect sens
• Egr sol vlv ctrl
• Engine coolant temperature sensor (on rear of cyl head)
• Engine ctrl rly
• F temp sens sig
• Fan rly hi ctrl
• Fan rly lo ctrl
• Frt o2s heating
• Fuel injectors
• Fuel pump ctrl
• Fuel sender sig
• Fuel temperature sensor
• Fuse 10a
• G13 (under center console)
• Gen "fr"
• Gen "g"
• Gnd
• Hot at all times
• Ign coil cyl 1,4
• Ign coil cyl 2,3
• Ign detect sig
• Ignition switch
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Joint connector c42 (behind center of dash)
• Lock
• Mass airflow sensor (at left side of engine compt, in air duct)
• Memory power
• Nca
• Opening
• Passenger compartment junction block (behind left side of dash)
• Pcm (behind lower center of dash)
• Pcs vlv ctrl
• Pnk
• Ps sw input
• Red
• Rr o2s heating
• Sens gnd
• Spark timing adj
• Start
• Start sig
• Starting system
• Tan
• W/ immobilizer
• W/o immobilizer
• °elete meui/p-d
• °elete meui/p-m
• °elete meum03

2.4L, Engine Performance Wiring Diagram, A/T (2 of 5) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, A/T (2 of 5) for Hyundai Sonata LX 2003:

• (behind instrument cluster) joint connector i22
• (center of dash, on bracket under radio) engine control relay
• C11
• Canister close valve (under left rear of vehicle)
• Condenser
• Ecm fuse 10a
• Engine compartment junction block (at left front corner of engine compt)
• G11 (on firewall, near surge tank)
• Hot at all times
• I21-2
• I22
• Idle speed control actuator (on throttle body assembly)
• Ignition coil 1 (on top rear of engine)
• Ignition coil 2 (on top front of engine)
• Ignition coil fuse 20a
• Ignition failure sensor (on top rear of engine)
• Instrument cluster
• Jc01
• Jm09
• Main fuse 30a
• Mil
• Nca
• Pnk
• Power steering pressure switch
• Purge control solenoid valve (on lower front of intake manifold)
• Spark plugs
• Tan
• To a/t lcd illum (diagram 5 of 5)

2.4L, Engine Performance Wiring Diagram, A/T (3 of 5) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, A/T (3 of 5) for Hyundai Sonata LX 2003:

• (under dash, left of steering column) data link connector
• (under dash, to left of steering column) multipurpose check connector
• B10
• C10
• C41
• D10
• D11
• E10
• Egr fuse 15a
• Engine compartment junction block (at left front corner of engine compt)
• F10
• Front oxygen sensor (on exhaust manifold)
• Fuel sender & fuel pump motor (on top of fuel tank)
• Fuse 10a
• G07 (at center of left seat crossmember)
• G13 (under center console, left of shift cable)
• Hot in on or start
• I/p-b
• I/p-e
• I/p-l
• Immobilzer control module
• Injector fuse 10a
• Jc01
• Jm09
• Joint connector c41 (behind center of dash)
• Nca
• Oxygen sensor fuse 15a
• Passenger compartment junction block (behind left side of dash)
• Pnk
• Rear oxygen sensor (on outlet of front catalytic converter)
• Tan
• W/ immobilizer
• W/o immobilizer

2.4L, Engine Performance Wiring Diagram, A/T (4 of 5) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, A/T (4 of 5) for Hyundai Sonata LX 2003:

• (at base of crash pad center support bracket) a/t control relay
• (behind center of dash) joint connector c41
• A/t fuse 20a
• A/t pulse generator "a" (on top of transaxle)
• A/t pulse generator "b" (on top of transaxle)
• A11
• C41
• Engine compartment junction block (at left front corner of engine compt)
• Fuel tank pressure sensor (under rear of vehicle, above rear crossmember)
• G11 (on firewall, near surge tank)
• G13 (under center console, left of shift cable)
• G14 (under center console, right of shift cable)
• Hot at all times
• Jc01
• Jm09
• Knock sensor (on left side of engine block)
• Map sensor (on right side of intake manifold)
• Nca
• Pnk
• Red
• Starting system
• Tan
• Throttle position sensor (on throttle body assembly)
• Transaxle range switch (on top of transaxle)

2.4L, Engine Performance Wiring Diagram, A/T (5 of 5) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, A/T (5 of 5) for Hyundai Sonata LX 2003:

• 1 input
• 2 input
• 2nd
• 3 input
• 4 input
• A/c sig input
• A/c system
• A/t lcd illum
• A/t solenoid assembly (in transaxle valve body)
• Auto cruise
• Battery
• C44-3
• C44-4
• Computer data lines system
• Cruise control system
• D input
• Dcc
• Down shift
• Exterior lights system
• Flash source
• From mil a (diagram 2 of 5)
• Frt o2s sig
• Ftp sens sig
• Fuel send
• G14 (under center console, right of shift cable)
• Gnd
• I21-1
• I21-2
• I21-3
• Instrument cluster
• Interior lights system
• K-line
• Knock sens sig
• Map sens sig
• Mcu
• N input
• Normal
• O/t
• Oil temp sensor
• P input
• Pcm (behind lower center of dash)
• Pnk
• Pulse gen a
• Pulse gen b
• R input
• Red
• Rr o2s sig
• Select
• Select switch
• Sport mode switch
• Start/on input
• Stoplamp sw in
• Tachometer
• Tan
• Tp sens sig
• Up shift
• Vehicle speed in

2.4L, Engine Performance Wiring Diagram, M/T (1 of 3) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, M/T (1 of 3) for Hyundai Sonata LX 2003:

• (on lower front of intake manifold) purge control solenoid valve
• (on throttle body assembly) idle speed control actuator
• (on top right side of engine) egr solenoid valve
• A/c press sw in
• A/c rly ctrl
• A/c sig in
• A/c system
• Acc
• Battery
• C45-1
• C45-2
• Charging system
• Check engine ind
• Closing
• Condenser
• Cooling fans system
• Ecm (behind lower center of dash)
• Egr sol vlv ctrl
• Engine rly ctrl
• Fan rly hi ctrl
• Fan rly lo ctrl
• Fuel injectors
• G13 (under center console, left of shift cable)
• Gen "fr"
• Gen "g"
• Gnd
• Hot at all times
• Ign coil cyl 1,4
• Ign coil cyl 2,3
• Ignition coil 1 (on top rear of engine)
• Ignition coil 2 (on top front of engine)
• Ignition switch
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Lock
• M03
• Nca
• Opening
• Pcs vlv ctrl
• Pnk
• Power steering pressure switch
• Ps sw in
• Puel pump ctrl
• Red
• Spark plugs
• Start
• Tan
• W/ immobilizer
• W/o immobilizer

2.4L, Engine Performance Wiring Diagram, M/T (2 of 3) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, M/T (2 of 3) for Hyundai Sonata LX 2003:

• (behind instrument cluster) joint connector i22
• (center of dash, on bracket under radio) engine control relay
• (on top of fuel tank) fuel sender & fuel pump motor
• Canister close valve (under left rear of vehicle)
• Front oxygen sensor (on exhaust manifold)
• Fuel sender
• Fuel tank pressure sensor (under rear of vehicle, above rear crossmember)
• Fuse 10a
• G07 (at center of left seat crossmember)
• G11 (on firewall near surge tank)
• G13 (under center console, left of shift cable)
• I/p-d
• I/p-m
• I21-2
• I21-3
• I22
• Ignition failure sensor (on top rear of engine)
• Instrument cluster
• Knock sensor (on left side of engine block)
• Map sensor (on right side of intake manifold)
• Mil
• Nca
• Passenger compartment junction block (behind left side of dash)
• Pnk
• Rear oxygen sensor (on outlet of front catalytic converter)
• Tachometer
• Tan

2.4L, Engine Performance Wiring Diagram, M/T (3 of 3) for Hyundai Sonata LX 2003

List of elements for 2.4L, Engine Performance Wiring Diagram, M/T (3 of 3) for Hyundai Sonata LX 2003:

• (under dash, left of steering column) data link connector
• (under dash, to left
• 5v sens power
• Afs
• Air temp sens
• Airflow sens sig
• Ats
• B10
• C10
• C11
• C41
• C42
• C45-3
• C45-4
• Camshaft position sensor (on left rear of cyl head)
• Ccv ctrl
• Ckp sens sig
• Cmp sens sig
• Computer data lines system
• Crankshaft position sensor (on front of engine, above crank- shaft sprocket)
• D10
• D11
• E10
• Ecm (behind lower center of dash)
• Ecm fuse 10a
• Ect sens
• Egr fuse 15a
• Engine compartment junction block (at left front corner of engine compt)
• Engine coolant temperature sensor (on rear of cyl head)
• F temp sens sig
• F10
• Flash source
• Frt o2s heating
• Frt o2s sig
• Ftp sens sig
• Fuel sender sig
• Fuel temperature sensor
• G11 (on firewall near surge tank)
• G13 (under center console, left of shift cable)
• Gnd
• Hot at all times
• Ign detect sig
• Ignition coil fuse 20a
• Immobilzer control module
• Injector fuse 10a
• Jc01
• Jm09
• Joint connector c41 & c42 (behind center of dash)
• K-line
• Knock sens sig
• Main fuse 30a
• Map sens sig
• Mass airflow sensor (at left side of engine compt, in air duct)
• Memory power
• Nca
• Of steering column) multipurpose check connector
• Oxygen sensor fuse 15a
• Pnk
• Rr o2s heating
• Rr o2s sig
• Sens gnd
• Spark timing adj
• Start sig
• Start/on input
• Starting system
• Tan
• Throttle position sensor (on throttle body assembly)
• Tp sens sig
• Vehicle speed in
• W/ immobilizer
• W/o immobilizer

2.7L

2.7L, Engine Performance Wiring Diagram (1 of 4) for Hyundai Sonata LX 2003

List of elements for 2.7L, Engine Performance Wiring Diagram (1 of 4) for Hyundai Sonata LX 2003:

• Air temperature sensor (near upper right side of intake manifold)
• At sens gnd
• At sens sig
• Battery
• C11
• C94-1
• C94-2
• C94-3
• Ckp sens gnd
• Ckp sens sig
• Crankshaft position sensor (on rear of engine)
• Ecm (behind lower center of dash)
• Ecm fuse 10a
• Ect sens gnd
• Ect sens sig
• Engine compartment junction block (at left front corner of engine compt)
• Engine control relay (center of dash, on bracket under radio, above fuel pump relay)
• Engine coolant temperature sensor (on rear of left cyl head, below ignition coil)
• Engine rly ctrl
• Fuel gnd
• G18 (under center console, left of shift cable)
• Gnd
• Hot at all times
• Hot in on or start
• Ignition coil fuse 20a
• Inj sig
• Jc02
• K-line
• Knock sens 1 in
• Knock sens 2 in
• Knock sensor 1 (on engine block)
• Knock sensor 2 (on engine block)
• Maf sens gnd
• Maf sens sig
• Main fuse 30a
• Memory power
• Nca
• O2s (b1/s1) gnd
• O2s (b1/s1) heat
• O2s (b1/s1) sig
• O2s (b1/s2) gnd
• O2s (b1/s2) heat
• O2s (b1/s2) sig
• O2s (b2/s1) gnd
• O2s (b2/s1) heat
• O2s (b2/s1) sig
• O2s (b2/s2) gnd
• O2s (b2/s2) heat
• O2s (b2/s2) sig
• Pnk
• Power steering pressure switch
• Ps sw input
• Start/on input
• Tan
• Throttle position sensor (on throttle body assembly)
• Tp sens gnd
• Tp sens power
• Tp sens sig

2.7L, Engine Performance Wiring Diagram (2 of 4) for Hyundai Sonata LX 2003

List of elements for 2.7L, Engine Performance Wiring Diagram (2 of 4) for Hyundai Sonata LX 2003:

• Front oxygen sensor (bank 1/sensor 1) (on bottom of right exhaust manifold)
• Front oxygen sensor (bank 2/sensor 1) (near top of left exhaust manifold)
• Fuel gnd
• Fuel sender
• Fuse 10a
• Hot in on or start
• I/p-g
• I/p-m
• I21-2
• I21-3
• Injector time
• Instrument cluster
• Joint connector i22 (behind instrument cluster) i22
• Joint connector m39 (behind left side of dash) m39
• Mass airflow sensor (at left side of engine compt, in air duct)
• Mil
• Nca
• Passenger compartment junction block (behind left side of dash)
• Pnk
• Rear oxygen sensor (bank 1/sensor 2) (on bottom of right exhaust manifold downpipe)
• Rear oxygen sensor (bank 2/sensor 2) (on front of exhaust pipe, upstream of catalytic converter)
• Tachometer
• Tan

2.7L, Engine Performance Wiring Diagram (3 of 4) for Hyundai Sonata LX 2003

List of elements for 2.7L, Engine Performance Wiring Diagram (3 of 4) for Hyundai Sonata LX 2003:

• (under dash, left of steering column) data link connector
• (under dash, to left of steering column) multipurpose check connector
• B10
• C10
• C93-3
• Camshaft position sensor (on rear of right cyl head)
• Canister close valve (under left rear of vehicle)
• D10
• D11
• Diode zo7
• E10
• Egr fuse 15a
• Engine compartment junction block (at left front corner of engine compt)
• F10
• F11
• Fuel pump fuse 20a
• Fuel pump relay (center of dash, on bracket under radio, under engine control relay)
• Fuel sender & fuel pump motor (on top of fuel tank)
• Fuel tank pressure sensor (under rear of vehicle, above rear crossmember)
• G07 (at center of left seat crossmember)
• Hot at all times
• Immobilizer control module
• Injector fuse 10a
• Jc02
• Jm09
• Nca
• Oxygen sensor fuse 15a
• Pnk
• Red
• Tcm (behind lower center of dash)
• W/ immobilizer
• W/o immobilizer

2.7L, Engine Performance Wiring Diagram (4 of 4) for Hyundai Sonata LX 2003

List of elements for 2.7L, Engine Performance Wiring Diagram (4 of 4) for Hyundai Sonata LX 2003:

• (near top right side of intake manifold) purge control solenoid valve
• (on throttle body assembly) idle speed control actuator
• A/c on input
• A/c press sw in
• A/c rly ctrl
• A/c sig input
• A/c system
• Abs control module (at right rear side of engine compt, on strut tower)
• C94-3
• C94-4
• C94-5
• Ccv ctrl
• Check engine ind
• Closing
• Cmp sens gnd
• Cmp sens sig
• Comm network hi
• Comm network lo
• Condenser
• Cooling fans system
• Ecm (behind lower center of dash)
• Engine speed sig
• Fan rly hi ctrl
• Fan rly lo ctrl
• Ftp sens gnd
• Ftp sens power
• Ftp sens sig
• Fuel injectors
• Fuel pump ctrl
• Fuel sender
• G18 (under center console, left of shift cable)
• G24 (at rear of left cylinder head)
• Gnd
• Ign coil cyl 1,4
• Ign coil cyl 2,5
• Ign coil cyl 3,6
• Ignition coil
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Nca
• Opening
• Pcs vlv ctrl
• Pnk
• Red
• Right front wheel sensor (w/o abs)
• Spark plugs
• Vehicle speed in
• Wheel speed sens