All Wiring Diagrams for Hyundai Sonata 2003

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Hyundai Sonata 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Hyundai Sonata 2003:

(2.4l)
(2.7l)
(behind right side of dash) blower relay
(under center of dash, behind ignition switch) g04
A/c compressor
A/c compressor fuse 10a
A/c control module (behind center of dash)
A/c on output
A/c output
A/c relay
A10
Amb temp sensor
Aqs sensor
B/l
Blend door actuator (behind center of dash, on left end of hvac housing)
Blnd dr actuator
Blower fuse 30a
Blower motor (behind right side of dash, on bottom of hvac housing)
Blr feed back
D12 jm09
Def
Defogger sw
Defogger system
Engine compartment junction block (at left front corner of engine compartment)
Engine compartment junction block (at left front corner of engine compt)
Etacm
Evap sensor in
F11 je01
Floor
Fre
Fuse 10a
Fuse 20a
G01 (at right front of engine compt, on inner fender panel)
G05 (under dash, on right lower ``a" pillar)
Ground
Hi speed cntrl
High blower relay (behind right side of dash, below blower assembly)
Hot at all times
Hot in on
Humidity sensor
I/p-a
I/p-g
I/p-l
I/p-m
I17-1
I17-2
Ill+
Ill-
In-car sens in
In-car sens out
Intake actuator (behind right side of dash, on right end of hvac housing)
Interior lights system
Jc01 b12
Jc02 b12
Je01 b6
Jm09 e7
Joint connector i20 (behind instrument cluster)
Joint connector mo8
M33-3
Memory power
Mix
Nca
On input
Passenger compartment junction block (behind left side of dash)
Photo sens +
Photo sensor (on top center of dash)
Pnk
Power transistor
Power transistor (behind right side of dash, on right end of hvac housing)
Rec
Red
Sensor +
Sensor ground
Temp act ccw
Temp actuator
Temp feed back
Temperature actuator (behind right side of dash, on evaporator unit)
To egr fuse (diagram 2 of 2)
Vent

Automatic A/C Wiring Diagram (2 of 2) for Hyundai Sonata 2003

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List of elements for Automatic A/C Wiring Diagram (2 of 2) for Hyundai Sonata 2003:

(2.4l)
(2.7l)
(2.7l) (2.4l)
(behind instrument cluster)
(center of dash, on bracket under radio, above fuel pump relay) engine control relay
2.4l
2.4l w/ a/t
2.4l w/ m/t
2.7l
A/c on input
A/c press sw in
A/c rly cntrl
A/c sig in
A10
A11
A12
Ambient temperature sensor (behind front bumper, near hood latch)
B10
B12
C10
C11
C44-1
C44-2
C44-3
C45-1
C45-2
C45-4
C94-3
C94-4
Condenser fan motor (behind right side of radiator)
Condenser fan relay (high 1)
Condenser fan relay (high 2)
Condenser fan relay (low)
Condenser fusible link 20a
D11
E10
E12
Ect sens
Ect sens gnd
Egr fuse 15a
Engine compartment junction block (at left front corner of engine compt)
Engine controls system
Engine coolant temperature sensor (2.4l: rear of cylinder head) (2.7l: on rear of left cylinder head, below ignition coil)
Evaporator temperature sensor (behind right side of dash, on evaporator unit)
F10
F12
From a/c relay (diagram 1 of 2)
G02 (at left front of engine compt, on inner fender panel)
G20 g15 (on left front shock tower)
Hi speed cntrl
High
Hot at all times
Humidity sensor
Jc01
Jc01 c2
Jc02
Jc02 c2
Je01
Je01 e6
Jeo1
Jm09
Joint connector c42 (behind center of dash)
Joint connector i22
Lo speed cntrl
Low
Main fuse 30a
Mid
Nca
Pcm/ecm (behind lower center of dash)
Pnk
Radiator fan motor (behind left side of radiator)
Radiator fan relay (high 1)
Radiator fan relay (high 2)
Radiator fan relay (low)
Radiator fusible link 30a
Red
Tan
Triple switch (on right side of a/c condenser, on top of receiver-drier assembly)

Manual A/C Wiring Diagram (1 of 2) for Hyundai Sonata 2003

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List of elements for Manual A/C Wiring Diagram (1 of 2) for Hyundai Sonata 2003:

(2.4l)
(2.7l)
(behind right side of dash) blower relay
(under center of dash, behind ignition switch) g04
A/c compressor
A/c compressor fuse 10a
A/c on out
A/c relay
A/c switch
B/l
Blend door actuator (behind center of dash,on left end of hvac housing)
Blend dr act
Blower fuse 30a
Blower motor (behind right side of dash, on bottom of hvac housing)
Blower resistor (behind right side of dash, on hvac housing)
Blower switch
Blr rly on in
D12 jm09
Def
Defog sw
Defogger system
Engine compartment junction block (at left front corner of engine compartment)
F11 je01
Floor
Fre
Fuse 10a
G05 (under dash, on right lower ``a" pillar)
Gnd
Ground
Hot at all times
Hot in on
Hot in on or start
I/p-a
I/p-g
I/p-l
I/p-m
Iii
Iiii
Illum +
Illum -
Intake actuator (behind right side of dash, on right end of hvac housing)
Interior lights system
Jc01 b12
Jc02 b12
Joint connector i20 (behind instrument cluster)
Joint connector i22 (behind instrument cluster)
Joint connector m08
Mem pwr
Mix
Nca
Off
On in
On input
Passenger compartment junction block (behind left side of dash)
Pnk
Rec
Red
Tan
Temp act
Temperature actuator (behind right side of dash, on evaporator unit)
Thermistor
Thermostatic switch (behind right side of dash, on evaporator unit)
To egr fuse (diagram 2 of 2)
Vent
Water temperature sensor (behind right side of dash, on heater core cover)

Manual A/C Wiring Diagram (2 of 2) for Hyundai Sonata 2003

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List of elements for Manual A/C Wiring Diagram (2 of 2) for Hyundai Sonata 2003:

(2.4l)
(2.4l) (2.7l)
(2.4l: on rear of cylender head)
(2.7l)
(2.7l) (2.4l)
(2.7l: on rear of left cylender
(center of dash, on bracket under radio, above fuel pump relay) engine control relay
2.4l
2.4l w/ a/t
2.4l w/ m/t
2.7l
A/c on input
A/c press sw in
A/c rly ctrl
A/c sig in
A10
A11
A12
B10
C10
C11
C44-1
C44-2
C44-3
C45-1
C45-2
C45-4
C94-3
C94-4
Condenser fan motor (behind right side of radiator)
Condenser fan relay (high 1)
Condenser fan relay (high 2)
Condenser fan relay (low)
Condenser fusible link 20a
E10
Ect sens
Ect sens gnd
Egr fuse 15a
Engine compartment junction block (at left front corner of engine compt)
Engine controls system
F10
F12
From a/c relay (diagram 1 of 2)
G02 (at left front of engine compt, on inner fender panel)
G20 g15 (on left front strut tower)
Head, below ignition coil) engine coolant temperature sensor
Hi speed ctrl
High
Hot at all times
Jc01
Jc01 c2 c2
Jc01 jc02
Jc02
Je01
Je01 e6
Jeo1
Jm09
Joint connector c42 (behind center of dash)
Lo speed ctrl
Low
Main fuse 30a
Mid
Nca
Pcm/ecm (behind lower center of dash)
Pnk
Radiator fan motor (behind left side of radiator)
Radiator fan relay (high 1)
Radiator fan relay (high 2)
Radiator fan relay (low)
Radiator fusible link 30a
Red
Tan
Triple switch (on right side of a/c condenser, on top of receiver-drier assembly)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Hyundai Sonata 2003

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List of elements for Anti-lock Brakes Wiring Diagram for Hyundai Sonata 2003:

(behind instrument cluster) joint connector i20
(on firewall, at right rear of engine compt)
(under center of dash, behind ignition switch) g04
2.7l
2.7l 2.4l
Abs control module (at right rear side of engine compartment, on strut tower)
Abs diagnosis
Abs fuse 10a
Abs fusible link 1 40a
Abs fusible link 2 20a
Abs ind
Abs indicator
Abs motor
Abs solenoid (b+)
Brake warning
C93-3
C94-4
Can (hi)
Can (high voltage)
Can (lo)
Can (low voltage)
Data link connector (under dash, left of steering column)
Diagnosis
E3 e3
E4 e4
Ebp ind
Ecm (behind lower center of dash)
Engine compartment junction block (at left front corner of engine compartment)
F6 f6
Fl (+)
Fl (-)
Fr (+)
Fr (-)
Fuse 10a
Fuse 15a
G11 (2.4l) (on firewall, near surge tank)
G12 (2.4l)
G16 (2.7l) (on center of firewall)
G17 (2.7l)
Ground
Hot at all times
Hot in on or start
I/p-b
I/p-m
I21-2
I21-3
Illum
Instrument cluster
Instrument cluster system
Interior lights system
Jc02 jc01
Joint connector m09 (behind center of dash)
Joint connector i22 (behind instrument cluster)
Joint connector m08
Left front wheel sensor
Left rear wheel sensor
Mcu
Nca
Note: abs control module contains: abs solenoids & abs pump motor
Off
Passenger compartment junction block (behind left side of dash)
Pnk
Red
Right front wheel sensor
Right rear wheel sensor
Rl (+)
Rl (-)
Rr (+)
Rr (-)
Start/on in
Stop sig
Stoplamp switch (on brake pedal bracket)
Tan
Tcm (behind lower center of dash)
Tcs ind
Tcs indicator
Tcs sw sig
Tcs switch (w/ tcs)
Wheel speed input
Wheel speed output

ANTI-THEFT

Forced Entry Wiring Diagram for Hyundai Sonata 2003

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List of elements for Forced Entry Wiring Diagram for Hyundai Sonata 2003:

(under dash, to left of steering column) multipurpose check connector
Alarm relay control
Burglar alarm relay
Code save
Door lock/unlock in
Door lock/unlock in m33-3
Drl fuse 15a
Engine compartment junction block (at left front corner of engine compartment)
Etacm (in passenger compt junction block)
Exterior lights system
Fuse 18 10a
Fuse 19 10a
Fuse 2 10a
Fuse 24 10a
G03 (under dash, on left lower "a" pillar)
G04 (under center of dash, behind ignition switch)
G05 (under dash, on right lower "a" pillar)
G07 (at center of left seat crossmember)
G09 (under trim, near top of right rear shock absorber)
G21 (at left rear of luggage compt, under trim panel)
Hazard relay
Hazard relay control
Hood switch (at right front corner of engine compartment)
Hood switch input
Hot at all times
Hot in acc or on
Hot in start
I/p-b
I/p-f
I/p-g
Je01
Jm09
Joint connector d12
Joint connector d13
Joint connector m08
Keyless entry control module (behind lower center of dash)
L dr unlock switch in
Left door unlock switch
Left front door lock actuator
Left rear door lock actuator
M33-1
M33-2
Nca
Passenger compartment junction block (behind left side of dash)
Right front door lock actuator
Right rear door lock actuator
Short connector
Siren (at right front corner of vehicle)
Siren control
Starting/ charging system
Tan
Trunk lid unlock switch

Immobilizer Wiring Diagram for Hyundai Sonata 2003

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List of elements for Immobilizer Wiring Diagram for Hyundai Sonata 2003:

(2.7l) (behind lower center of dash)
(under center of dash, behind ignition switch) g04
2.4l
2.7l
A/t
Antenna coil
Antenna(+)
Antenna(-)
C44-3
C45-3
C94-1
Code
Data link connector (under dash, left of steering column)
Diagnosis
Ecm
Ecm (behind lower center of dash)
Etacm (in passenger compartment junction block)
Fuse 10a
Ground
Hot at all times
Hot in on or start
I/p-g
I21-3
Immobilizer control module
Immobilizer indicator
Input
Instrument cluster
Joint connector m08
Joint connector m09 (behind center of dash)
K-line
M/t
M33-2
Memory
Multipurpose check connector (under dash, to left of steering column)
Nca
Passenger compartment junction block (behind left side of dash)
Pcm (behind lower center of dash)
Pnk
Signal
Tcm

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Hyundai Sonata 2003

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List of elements for Body Control Modules Wiring Diagram (1 of 2) for Hyundai Sonata 2003:

(under dash, on left lower ``a" pillar) g03
Anti-theft system
Burglar alarm relay control
Chime bell control
Code save
Door key input
Door locks system
Door warning switch input
Drl
Etacm (on rear of passenger compartment junction block)
Exterior lights system
Fuse 28 10a
Hazard relay ctrl
Headlights system
Hood switch input
Hot at all times
I/p-e
Ignition key illumination & door warning switch
Illum
Impact signal
Int
Int (time)
Interior lights system
Joint connector d12 (in front doors)
Key hole illumination control
Key ill
Left door unlock switch
Left door unlock switch input
Left front lock/unlock input
M33-1
M33-2
Passenger compartment junction block (behind left side of dash)
Right front lock/unlock input
Siren control
Starting/charging system
Tail lmp rly auto cut ctrl output
Tan
Trunk lid relay control
Trunk switch
Trunk unlock switch input
Trunk, tail gate, fuel doors system
W/ b alarm
W/o b alarm
Warning system
Washer input
Wiper relay control
Wiper/washer system

Body Control Modules Wiring Diagram (2 of 2) for Hyundai Sonata 2003

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List of elements for Body Control Modules Wiring Diagram (2 of 2) for Hyundai Sonata 2003:

(under dash, on left lower ``a" pillar) g03
Computer data lines system
Defogger relay control
Defogger switch input
Defogger system
Door key hole illumination
Door lock/unlock rly ctrl
Door locks system
Door switch
Engine running input
Etacm
Exterior lights system
Fuse 18 10a
Fuse 24 10a
Fuse 5 10a
Ground
Hot at all times
Hot in on
Hot in on or start
I/p-d
I/p-f
I/p-j
I/p-l
Illum
Interior lights system
Joint connector d12 (in front doors)
Junction block ground
M33-3
Memory power
Nca
On input
On/start input
Passenger compartment junction block (behind left side of dash)
Power window relay ctrl
Power windows system
Pre- excitation resistor
Rear door lock/unlock in
Room lamp control
Speedometer
Starting/ charging system
Tail lmp relay auto cut ctrl in

COMPUTER DATA LINES

2.4L

2.4L, Computer Data Lines Wiring Diagram for Hyundai Sonata 2003

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List of elements for 2.4L, Computer Data Lines Wiring Diagram for Hyundai Sonata 2003:

(behind left side of dash) joint connector m39
A/t
Abs control module (at right rear side of engine compt, on strut tower)
Abs diagnosis
C44-1
C44-3
C44-4
C45-3
C45-4
Cruise control module (at right side of engine compt, on strut tower)
Data input/ output
Data link connector (under dash, left of steering column)
Diag
E6 jc01
Ecm (behind lower center of dash)
Electronic power steering control module (behind center of dash)
Engine compartment junction block (at left front corner of engine compartment)
Engine control relay (center of dash, on bracket under radio, above fuel pump relay)
Etacm
Flash source
Fuel sender & fuel pump motor (on top of fuel tank)
Fuse 10a
G04 (under center of dash, behind ignition switch)
G11 (on firewall, near surge tank)
Hot at all times
Hot in on or start
I/p-b
I/p-e
I/p-g
I/p-k
I/p-l
I21-3
Immobilizer control module
Instrument cluster
Jm09 a11
Joint connector m08
K-line
Keyless entry control module (behind lower center of dash)
M/t
M33-3
Multipurpose check connector (under dash, to left of steering column)
Nca
Passenger compartment junction block (behind left side of dash)
Pcm (behind lower center of dash)
Pnk
Power distribution system
Spark timing
Srs control module (under floor console, rear of parking brake lever)
Sunroof fuse 15a
Vehicle speed sensor (on bottom of transaxle)
Vss in
W/ b/alarm
W/ immobilizer
W/o immobilizer

2.7L

2.7L, Computer Data Lines Wiring Diagram for Hyundai Sonata 2003

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List of elements for 2.7L, Computer Data Lines Wiring Diagram for Hyundai Sonata 2003:

(behind left side of dash) joint connector m39
A/t
Abs control module (at right rear side of engine compt, on strut tower)
Abs diagnosis
C93-1
C93-3
C94-1
C94-4
Cruise control module (at right side of engine compt, on strut tower)
Data input/ output
Data link connector (under dash, left of steering column)
Diag
Diode z07
Ecm (behind lower center of dash)
Electronic power steering control module (behind center of dash)
Engine compartment junction block (at left front corner of engine compartment)
Etacm
Flash source
Fuel pump relay (center of dash, on bracket under radio, under engine control relay)
Fuel sender & fuel pump motor (on top of fuel tank)
Fuse 10a
G04 (under center of dash, behind ignition switch)
G16 (on center of firewall)
Hot at all times
Hot in on or start
I/p-b
I/p-e
I/p-g
I/p-k
I/p-l
I21-3
Immobilizer control module
Instrument cluster
Jc02 e6
Jm09 a11
Joint connector m08
K-line
Keyless entry control module (behind lower center of dash)
M/t
M33-3
Multipurpose check connector (under dash, to left of steering column)
Nca
Passenger compartment junction block (behind left side of dash)
Pnk
Power distribution system
Srs control module (under floor console, rear of parking brake lever)
Sunroof fuse 15a
Tcm (behind lower center of dash)
Vehicle speed sensor (on top of transaxle)
Vss in
W/ b/alarm
W/ immobilizer
W/o immobilizer

COOLING FAN

Cooling Fan Wiring Diagram for Hyundai Sonata 2003

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List of elements for Cooling Fan Wiring Diagram for Hyundai Sonata 2003:

(2.4l)
(2.7l)
(center of dash, on bracket under radio, above fuel pump relay) engine control relay
2.4l
2.4l w/ a/t
2.4l w/ m/t
2.7l
A/c control module (behind center of dash)
A/c press sw in
A/c sig in
A10
A12
Auto a/c
B10
C10
C44-1
C44-2
C44-3
C45-1
C45-2
C45-4
C94-3
C94-4
Condenser fan motor (behind right side of radiator)
Condenser fan relay (high 1)
Condenser fan relay (high 2)
Condenser fan relay (low)
Condenser fusible link 20a
E10
Ect sens
Ect sens gnd
Engine compartment junction block (at left front corner of engine compartment)
Engine controls system
Engine coolant temperature sensor & sender (2.4l: on rear of cylinder head) (2.7l: on rear of left cylinder head, below ignition coil)
F10
F12
G02 (at left front of engine compt, on inner fender panel)
G15 (on left front strut tower)
G20
Hi speed cntrl
High
Hot at all times
I17-1
Jc01
Jc01 c2
Jc02
Jc02 c2
Je01
Je01 e6
Jeo1
Jm09
Joint connector c42 (behind center of dash)
Lo speed cntrl
Low
Main fuse 30a
Manual a/c
Nca
Pnk
Powertrain control module (pcm) or engine control module (ecm) (behind lower center of dash)
Radiator fan motor (behind left side of radiator)
Radiator fan relay (high 1)
Radiator fan relay (high 2)
Radiator fan relay (low)
Radiator fusible link 30a
Red
Tan
Thermostatic switch (behind right side of dash, on evaporator unit)
Triple switch (on right side of a/c condenser, on top of receiver- drier assembly) mid

CRUISE CONTROL

Cruise Control Wiring Diagram for Hyundai Sonata 2003

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List of elements for Cruise Control Wiring Diagram for Hyundai Sonata 2003:

(2.4l)
(2.4l) (2.7l)
(2.7l)
(2.7l) (2.4l)
(on brake pedal bracket) stoplamp switch
(on firewall, at right rear of engine compartment) g17 g12
(on left front strut tower) g20 g15
(under center of dash, behind ignition switch) g04
2.4l
2.4l a/t
2.7l
A/t
Actuator clutch
Auto cruise
Auto cruise (o/d ctrl)
C44-2
C44-3
C93-1
Cancel
Cruise
Cruise clutch pedal position switch (on clutch pedal bracket)
Cruise control module (at right side of engine compartment, on strut tower)
Cruise control switch
Cruise indicator on
Cruise remote control switch
Cruise sw ind on
Engine compartment junction block (at left front corner of engine compartment)
Engine controls system
Fuse 18 10a
Fuse 19 10a
Fuse 31 10a
Fuse 9 15a
G03
Ground
Hot at all times
Hot in on
Hot in on or start
Hot in start
I/p-b
I/p-e
I/p-g
I/p-m
I21-2
Illum
Ind
Instrument cluster
Interior lights system
Jc01
Jc02
Jm09
Joint connector i22 (behind instrument cluster)
Joint connector m08
Joint connector m09 (behind center of dash)
M/t
M01-3
Main/command sw input
Mm04
Multi-function switch
Nca
Note: actuator clutch & motor driver are inside cruise control module
O/d control
Off
P/n input
Park/neutral input
Passenger compartment junction block (behind left side of dash)
Pcm tcm (behind lower center of dash)
Pnk
Power source
Resume/ accel
Set/ coast
Slip ring connector
Start relay
Stoplamp sw input
Transaxle range switch (on top of transaxle)
Vehicle speed input

DEFOGGERS

Defoggers Wiring Diagram for Hyundai Sonata 2003

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List of elements for Defoggers Wiring Diagram for Hyundai Sonata 2003:

A/c control module (behind center of dash)
A/c switch
Automatic a/c
B12
Defogger defogger defogger defogger relay control relay control relay control relay control
Defogger relay
Defogger switch
Defogger switch input
Engine compartment junction block (at left front corner of engine compartment)
Engine input
Etacm
Fuse 1 10a
Fuse 10a
G03 (under dash, on left lower "a" pillar)
G04 (under center of dash, behind ignition switch)
G05 (under dash, on right lower "a" pillar)
G09 (under trim, near top of right rear shock absorber)
Hot at all times
Hot in on or start
I/p-b
I/p-c
I/p-l
I17-1
Indicator
Jm09
Joint connector d12 (in left front door)
Joint connector d13 (in right front door)
Joint connector i20 (behind instrument cluster)
Joint connector m08
Junction block ground
Left door mirror motor & defogger
M33-3
M91-1
M91-2
Manual a/c
Nca
Off
On/start input
Passenger compartment compartment compartment compartment junction junction junction junction block block block block (behind left side of dash)
Pre- excitation resistor
Rear defogger fuse 30a
Rear window defogger
Red
Right door mirror motor & defogger

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Hyundai Sonata 2003

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List of elements for Electronic Power Steering Wiring Diagram for Hyundai Sonata 2003:

2.4l
2.7l
Cruise control system
Data link connector (under dash, left of steering column)
Diagnosis
Electronic power steering control module (behind center of dash)
Electronic power steering solenoid (on power steering gear box)
Engine controls system
Fuse 31 10a
G11 (2.4l) (on firewall, near surge tank)
G16 (2.7l) (on center of firewall)
Ground
Hot in on
I/p-e
Instrument cluster system
Instrument cluster, cruise control, engine controls systems
On input
Passenger compartment junction block (behind left side of dash)
Solenoid ctrl
Vehicle speed sensor (2.4l: on bottom of transaxle) (2.7l: on top of transaxle)
Vss input

ENGINE PERFORMANCE

2.4L

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

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

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

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

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

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

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

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

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

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

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

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

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

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Hyundai Sonata 2003

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List of elements for Back-up Lamps Wiring Diagram for Hyundai Sonata 2003:

(2.4l) (2.7l)
(left rear of trunk) g21
A/t
A11
Back-up lamp switch (on top of transaxle)
Engine compartment junction block (at left front corner of engine compartment)
Fuse 17 10a
Hot in on or start
I/p-b
I/p-e
I/p-f
Jc01 jc02
Jm09
Left back-up lamp
Left rear combination lamp
M/t
Nca
Passenger compartment junction block (behind left side of dash)
Pnk
Right back-up lamp
Right rear combination lamp
Transaxle range switch (on top of transaxle)
Transmissions system

Exterior Lamps Wiring Diagram (1 of 2) for Hyundai Sonata 2003

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Hyundai Sonata 2003:

(at left front of engine compt, on inner fender panel)
(at left rear of luggage compartment, under trim panel)
(behind center of dash) g04
Control output
Dimmer/passing switch
Engine compartment junction block (at left front corner of engine compartment)
Etacm
Fuse 15a
Fuse 25 10a
Fuse 29 10a
G01 (at right front of engine compt, on inner fender panel)
G02
G07 (at center of left seat crossmember)
G21
Head
High mounted stop lamp
Hot at all times
I/p-a
I/p-b
I/p-e
I/p-f
I/p-g
Je01
Jm09
Joint connector m08
Joint connector m09 (behind center of dash)
Joint connector m67 (below left front seat)
Left front park/turn signal lamp
Left license lamp
Left rear combin- ation lamp
Left side marker lamp
Light switch
M01-1
M33-1
M33-3
Multifunction switch
Nca
Nca nca
Off
Park
Passenger compartment junction block (behind left side of dash)
Relay control
Right front park/turn signal lamp
Right license lamp
Right rear combination lamp
Right side marker lamp
Stop
Stoplamp switch (on brake pedal bracket)
Tail
Tail lamp relay
Taillamp fuse 20a
Turn
W/ cruise
W/o cruise

Exterior Lamps Wiring Diagram (2 of 2) for Hyundai Sonata 2003

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Hyundai Sonata 2003:

(under center of dash, behind ignition switch) g04
Coil control
Etacm (in passenger compartment junction block)
Flasher unit
Fuse 12 10a
Fuse 2 10a
Ground
Hazard relay (with b/alarm) (in passenger compartment relay box)
Hazard relay control
Hazard switch
Hot at all times
Hot in on or start
I/p-b
I/p-c
I/p-e
I/p-f
I/p-g
I/p-m
I21-2
I21-3
Illumination
Instrument cluster
Interior lights system
J/c i20 (behind instrument cluster)
J/c m08
Left
Left turn indicator
M01-1
M33-2
Multi- function switch
Off
Pasenger compartment junction block (behind left side of dash)
Passenger compartment junction block (behind left side of dash)
Passenger compartment relay box (behind left side of dash)
Pnk
Power
Right
Right turn indicator
Turn switch

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Hyundai Sonata 2003

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Hyundai Sonata 2003:

(at left front corner of engine compartment) engine compartment junction block
(auto a/c) power transistor
Aqs sensor
Auto a/c
Blower switch
C10
Cruise control module
Door key hole illumination
Drl control module
Electronic chrome mirror
Etacm
G01 (at right front of engine copmpt, on inner fender panel)
G02 (at left front of engine compt, on inner fender panel)
G03 (under dash, on left lower ``a" pillar)
G05 (under dash, on right lower ``a" pillar)
High blower relay
Home link controller
I/p-d
I/p-j
Je01
Joint connector d12 (in left door)
Joint connector d13 (in right door)
Joint connector m08
Junction block ground
Left door mirror motor & defogger
Left door unlock switch
Left front door lock actuator
Left front fog lamp
Left front park/ turn signal lamp
Left head lamp
Left horn
Left side marker lamp
Left vanity lamp
M01-2
M01-3
M33-3
Manual a/c
Map lamp
Multifunction switch
Nca
Overhead console assembly
Passenger compartment junction block (behind left side of dash)
Power door mirror switch
Power window main switch
Radiator fan relay (low)
Right door mirror motor & defogger
Right front door lock actuator
Right front fog lamp
Right front park/ turn signal lamp
Right front power window switch
Right head lamp
Right horn
Right side marker lamp
Right vanity lamp
Room lamp
W/ sunroof
W/o sunroof
Wiper motor relay

Ground Distribution Wiring Diagram (2 of 4) for Hyundai Sonata 2003

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Hyundai Sonata 2003:

(m/t w/ cruise) cruise clutch pedal position switch
(manual a/c) water temper- ature sensor
(w/o abs) instrument cluster
(w/o immobilizer) keyless entry control module
A/c control module
A/c switch
Accessory socket
Amp 2
Ashtray illumination
Audio
Auto a/c
Blend door actuator
Blower relay
Blower switch
Cigarette lighter
Condenser
Data link connector
Digital clock
Flasher unit
Front height adjuster
Fuel filler actuator
Fuel sender & fuel pump motor
G04 (under center of dash, behind ignition switch)
G07 (at center of left seat crossmember)
Glove box lamp switch
High mounted stop lamp
I17-1
I21-2
I21-3
Immobilizer control module
Instrument cluster
Joint connector i20 (behind instrument cluster)
Joint connector m08
Left front seat warmer
Left front seat warmer switch
Left rear door lock actuator
Left rear power window switch
M01-1
M01-2
Manual a/c
Multifunction switch
Multipurpose check connector
Nca
Passenger compartment relay box
Power antenna
Power seat adjuster switch
Rear height adjuster
Rheostat
Right front seat warmer
Right front seat warmer switch
Seat belt switch
Slide adjuster limit switch
Tcs switch
Thermostatic switch
W/ drl

Ground Distribution Wiring Diagram (3 of 4) for Hyundai Sonata 2003

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Hyundai Sonata 2003:

(a/t)
(m/t)
2.4l
A/t control relay
Abs control module
Abs diagnosis
Brake fluid level sensor
C12
C44-2
C44-3
C45-1
C45-4
C72
Camshaft position sensor
Condenser fan relay (high 1)
Condenser fan relay (low)
Crankshaft position sensor
Cruise control module
Driver seat buckle switch
Ecm (m/t) or pcm (a/t)
Electronic power steering control module
Engine compartment junction block (at left front corner of engine compartment)
Front oxygen sensor shield
G06 (under dash, on left lower "a" pillar)
G09 (under trim, near top of right rear shock absorber)
G10 (under center console, to the right of shift cable)
G11 (on firewall, near surge tank)
G12 (on firewall, at right rear of engine compt)
G13 (under center console, left of shift cable)
G14 (under center console, right of shift cable)
G15 (on left front strut tower)
G21 (at left rear of luggage compt, under trim panel)
I21-2
Ignition coil 1
Ignition coil 2
Ignition failure sensor
Instrument cluster
Jc01
Knock sensor
Knock sensor shield
Left license lamp
Left rear combination lamp
M91-2
Nca
Passenger presence detection sensor
Passenger seat buckle switch
Pcm
Radiator fan relay (high 1)
Rear oxygen sensor shield
Rear window defogger (-)
Right license lamp
Right rear combination lamp
Right rear door lock actuator
Right rear power window switch
Srs control module
Start relay
Trunk lid solenoid
Trunk lid unlock switch
Vehicle speed sensor
Wiper motor

Ground Distribution Wiring Diagram (4 of 4) for Hyundai Sonata 2003

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Hyundai Sonata 2003:

(a/t)
(m/t)
2.7l
A/t control relay
Abs control module
Abs diagnosis
Brake fluid level sensor
C72
C93-1
C93-3
C94-1
C94-5
Condenser fan relay (high 1)
Condenser fan relay (low)
Cruise control module
Ecm
Electronic power steering control module
Engine compartment junction block (at left front corner of engine compartment)
G16 (on center of firewall)
G17 (on firewall, at right rear of engine compt)
G18 (under center console, left of shift cable)
G19 (under center console, right of shift cable)
G20 (on left front strut tower)
G24 (at rear of left cylinder head)
Ignition coil shield
Jc02
Nca
Radiator fan relay (high 1)
Start relay
Tcm
Vehicle speed sensor
Wiper motor

HEADLIGHTS

Headlights Wiring Diagram, with DRL for Hyundai Sonata 2003

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List of elements for Headlights Wiring Diagram, with DRL for Hyundai Sonata 2003:

(2.4l)
(2.7l)
(at left front corner of engine compartment) engine compartment junction block
(at left front of engine compt, on inner fender panel) g02
(at right front of engine compt, on inner fender panel) g01
Battery
C12
D10
D11
D4 jm09
Dimmer/ passing switch
Diode z02
Drl control module (at right side of engine compartment, forward of strut tower)
Drl fuse 15a
Drl resistor
Drl resistor (at right side of engine compartment, forward of strut tower)
E12
Eng running
Etacm
Etacm (in passenger compartment junction block)
Flash
Front fog lamp ind
Front foglamp fuse 15a
Front foglamp relay
Front foglamp switch
Fuse 10a
Fuse 29 10a
G01 (at right front of engine compt, on inner fender panel)
G02 (at left front of engine compt, on inner fender panel)
G04 (under center of dash, behind ignition switch)
Generator
Ground
Head
Headlamp (high) fuse 15a
Headlamp relay (high)
Headlamp relay (low)
High
High beam ind
High relay
Hot at all times
Hot in on
I/p-a
I/p-g
I21-2
I21-3
Indicator
Instrument cluster
Instrument cluster system
Interior lights system
Jc01
Jc02
Je01
Jm09
Jm09 b10
Joint connector i20 (behind instrument cluster)
Joint connector m08
Left front foglamp
Left head lamp
Left headlamp (low) fuse 15a
Light switch
Low
Low relay
M01-1
M33-1
M33-3
Multifunction switch
Nca
Off
On input
Park
Park brk sw
Parking brake switch (at base of parking brake lever)
Passenger compartment junction block (behind left side of dash)
Right front foglamp
Right head lamp
Starting/ charging system
Tail lamp fuse 20a
Taillamp relay

Headlights Wiring Diagram, without DRL for Hyundai Sonata 2003

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List of elements for Headlights Wiring Diagram, without DRL for Hyundai Sonata 2003:

(at left front of engine compt, on inner fender panel) g02
(at right front of engine compt, on inner fender panel) g01
Dimmer/ passing switch
Engine compartment junction block (at left front corner of engine compartment)
Etacm
Flash
Front foglamp fuse 15a
Front foglamp ind
Front foglamp relay
Front foglamp switch
Fuse 10a
Fuse 29 10a
G02 (at left front of engine compt, on inner fender panel)
G04 (under center of dash, behind ignition switch)
Head
Headlamp (high) fuse 15a
Headlamp relay (high)
Headlamp relay (low)
High
High beam ind
Hot at all times
Hot in on
I/p-a
I/p-g
I21-2
I21-3
Instrument cluster
Interior lights system
Je01
Jm09
Joint connector i20 (behind instrument cluster)
Joint connector m08
Left front foglamp
Left headlamp
Left headlamp (low) fuse 15a
Light switch
Low
M01-1
M33-1
M33-3
Multifunction switch
Off
Park
Passenger compartment junction block (behind left side of dash)
Right front foglamp
Right headlamp
Tail lamp fuse 20a
Taillamp relay

HORN

Horn Wiring Diagram for Hyundai Sonata 2003

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List of elements for Horn Wiring Diagram for Hyundai Sonata 2003:

Engine compartment junction block (at left front corner of engine compartment)
G01 (at right front of engine compartment, on inner fender panel)
G02 (at left front of engine compartment, on inner fender panel)
Horn fuse 10a
Horn relay
Horn switch
Hot at all times
Je01
Jm09
Left horn
M01-3
Multifunction switch
Nca
Right horn
Slipring connector
Steering wheel

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Hyundai Sonata 2003

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List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Hyundai Sonata 2003:

2.4l
2.7l
A/t lcd illumi- nation
Abs indicator
Anti-theft system
Brake indicator
Brake warning indicator
C44-4
C93-1
Charge indicator
Cruise indicator
Digital clock
Dim input
Diode z03
Door ajar indi- cator
Ect gauge
Ect sensor
Engine controls
Engine controls system
Engine coolant temperature sensor & sender (2.4l: on rear of cylinder head) (2.7l: on rear of left cylinder head, below ignition coil)
Exterior lights system
Front fog indicator
Fuel gauge
Fuel ground
Fuel sender
Fuse 10a
G06 (left side of dash)
Ground
Headlights system
High beam indicator
Hot at all times
Hot in on or start
I/p-e
I/p-l
I/p-m
I21-1
I21-2
I21-3
Ignition switch) g04
Illumination
Immo- bilizer indi- cator
Injector input
Input
Instrument cluster
Interior lights system
Joint connector i20 (behind instrument cluster)
Joint connector i22 (behind instrument cluster)
Joint connector m08
Left turn indi- cator
Low fuel indicator
Low fuel signal
Mcu
Memory power
Meter control
Mil (check engine) indicator
Mode
Nca
Odo meter
Oil pressure indicator
On/start input
Passenger compartment junction block (behind left side of dash)
Pcm (2.4l) tcm (2.7l) (behind lower center of dash)
Pnk
Power signal
Red
Reset
Right turn indi- cator
Seat belt indi- cator
Signal
Speed warning input
Speedo- meter
Srs indicator
Start/on input
Starting/charging system
System
Tacho- meter
Tachometer
Tan
Tcs indicator
Trip meter
Trunk ajar indi- cator
Trunk room lamp
Trunk room lamp switch
Vehicle sensor input
Warninig system

Instrument Cluster Wiring Diagram (2 of 2) for Hyundai Sonata 2003

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List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Hyundai Sonata 2003:

(2.4l)
(2.7l)
(2.7l) (2.4l)
(at center of left seat crossmember) g07
(not used)
(on center of firewall) g16 g11 (on firewall near surge tank)
A11
Abs control module (at right rear side of engine compartment, on strut tower)
Abs indicator
B10
Brake fluid level sensor (in brake fluid reservoir)
Chime bell (behind left side of dash)
Chime bell ctrl
Cruise control module (at right side of engine compartment, on strut tower)
Cruise indicator on
D11
Diode z02
Drl control module (at right side of engine compartment, forward of strut tower)
Ebd ind
Empty
Engine compartment junction block (at left front corner of engine compartment)
Engine controls system
Etacm
Etacm (in passenger compartment junction block)
Fuel level float
Fuel sender
Fuel tank
Full
Gauge sender
I/p-b
I/p-f
I/p-l
Jc01
Jc02
Je01
Jm09
Joint connector m09 (behind center of dash)
M33-1
M33-2
Nca
Normal
Oil pressure switch (2.4l: on right side of engine block) (2.7l: near base of oil filter)
Parking brake switch
Parking brake switch (at base of parking brake lever)
Passenger compartment junction block (behind left side of dash)
Pnk
Red
Select
Select switch
Sport mode switch
Tan
Tcs indicator
Thermistor
Transaxle range switch (on top of transaxle)
Transmissions systems
W/ abs
W/o abs

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Hyundai Sonata 2003

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List of elements for Courtesy Lamps Wiring Diagram for Hyundai Sonata 2003:

Computer data lines system
Courtesy
Diode z03
Door
Engine compartment junction block (at left front corner of engine compt)
Etacm
Etacm (in passenger compt junction block)
Fuse 10a
G03 (under dash, on left lower ``a" pillar)
Hot at all times
I/p-b
I/p-d
I/p-e
I/p-f
I/p-g
I/p-j
I/p-l
I/p-m
I21-2
I21-3
Instrument cluster
Jm09
Junction block ground
Left door lamp
Left front door switch
Left rear door switch
Left vanity lamp
M33-2
M33-3
Map
Map lamp
Nca
Off
Overhead console assembly
Passenger compartment junction block (behind left side of dash)
Right door lamp
Right front door switch
Right rear door switch
Right vanity lamp
Room lamp
Short connector
Sunroof fuse 15a
Trunk ajar ind
Trunk room lamp
Trunk room lamp switch
W/ sunroof
W/o sunroof
Warning system

Instrument Illumination Wiring Diagram for Hyundai Sonata 2003

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List of elements for Instrument Illumination Wiring Diagram for Hyundai Sonata 2003:

(+)
(-)
(4 bulbs)
(behind left side of dash) joint connector m39
(behind left side of dash) passenger compartment junction block
(under center of dash, behind ignition switch) g04
(under trim, near top of right rear shock absorber) g09
A/c control module (automatic a/c) a/c switch (manual a/c)
A/t shift lever illumination
Ashtray illumination
Audio
Automatic a/c
Cigarette lighter
Control
Cruise control switch
Digital clock
Engine compartment junction block (at left front corner of engine compt)
Etacm
Fuse 29 10a
G03 (under dash, on left lower ``a" pillar)
G04 (under center of dash, behind ignition switch)
G05 (under dash, on right lower ``a" pillar)
G07 (at center of left seat crossmember)
Glove box lamp
Glove box switch
Hazard switch
Head
Hot at all times
I/p-a
I/p-b
I/p-f
I/p-g
I/p-m
I15
I17-1
I21-2
Ill
Illum
Input
Instrument cluster
Jm09
Joint connector d12 (in left front door)
Joint connector d13 (in right front door)
Joint connector i20
Joint connector i20 (behind instrument cluster)
Joint connector m08
Left front seat warmer switch
Left rear power window switch
Light switch
M01-1
M33-1
M33-3
Manual a/c
Multi- function switch
Nca
Off
Output
Park
Power window main switch
Rheostat
Right front power window switch
Right front seat warmer switch
Right rear power window switch
Sport mode switch
Tail lamp fuse 20a
Taillamp relay
Tcs switch

POWER ANTENNA

Power Antenna Wiring Diagram for Hyundai Sonata 2003

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List of elements for Power Antenna Wiring Diagram for Hyundai Sonata 2003:

Anti-theft system
Audio
Down
Fuse 10a
G07 (at center of left seat crossmember)
Hot at all times
I/p-f
I/p-g
Memory power
Nca
Passenger compartment junction block (behind left side of dash)
Power antenna
Relay
Relay control

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Hyundai Sonata 2003

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List of elements for Power Distribution Wiring Diagram (1 of 5) for Hyundai Sonata 2003:

(2.4l) (2.7l)
(at left front corner of engine compartment) engine compartment junction block
(not used)
Abs control module
Abs fusible link 1 40a
Abs fusible link 2 20a
Acc
Ashtray illumination
Audio
Battery
Battery ground
Cigarette lighter
Condenser fan motor
Condenser fan relay (high-2)
Condenser fusible link 20a
Cruise control switch
Drl control module
Electronic power steering control module
Engine compartment junction block (at left front corner of engine compartment)
F10
Front power outlet
Fuse 10 10a
Fuse 14 15a
Fuse 20 15a
Fuse 21 15a
Fuse 26 10a
Fuse 30 15a
Fuse 31 10a
Fusible link 120a
G04 (under center of dash, behind ignition switch)
Generator
Headlamp relay (high)
Headlamp relay (low)
I/p-a
I/p-b
I/p-d
I/p-e
I/p-f
I/p-g
Ignition switch
Ignition switch fusible link 1 30a
Ignition switch fusible link 2 30a
Ill
Interior lights system
Jco1 jc02
Je01
Jm09
Jm10
Lock
Nca
Passenger compartment junction block (behind left side of dash)
Pnk
Power door mirror switch
Power window fusible link 40a
Power window relay
Radiator fan motor
Radiator fan relay (high-2)
Radiator fusible link 30a
Red
Start
Start motor
Start relay
Start solenoid
To blower fuse, 30a (diagram 2 of 5)
To fuse 5, 1oa (diagram 5 of 5)
To passenger compartment junction block (fuse 17, 10a) (diagram 2 of 5)
To passenger compartment junction block (fuse 19, 10a) (diagram 5 of 5)

Power Distribution Wiring Diagram (2 of 5) for Hyundai Sonata 2003

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List of elements for Power Distribution Wiring Diagram (2 of 5) for Hyundai Sonata 2003:

(2.4l) (2.7l)
(2.7l) (2.4l)
(a/t) (m/t)
(at left front corner of engine compartment) engine compartment junction block
(m/t) (a/t)
(not used)
2.4l
2.7l
A/c compressor fuse 10a
A/c relay
A/t
A/t pulse generator "a"
A/t pulse generator "b"
A11
Abs control module
Abs fuse 10a
Amp 2
B10
Back-up lamp switch
Blower fuse 30a
Blower relay
C28-1
C28-2
C28-3
C28-4
C45-4 c44-3
C88-1
C88-2
C88-3
C88-4
C88-5
C88-6
C93-1
C94-1
Charging circuit
D12
Data link connector
Ecm
Ecm/pcm
Engine control relay
F10
F11
From abs fusible a link 2, 30a (diagram 1 of 5)
From ignition switch (diagram 1 of 5)
Fuse 11 10a
Fuse 12 10a
Fuse 17 10a
Fuse 22 15a
Fuse 23 15a
Hazard switch
Horn fuse 10a
Horn relay
I/p-d
I/p-e
I/p-f
I/p-g
I/p-j
I/p-l
I/p-m
I21-2
Ignition coil
Ignition coil fuse 20a
Ignition failure sensor
Injector
Injector fuse 10a
Instrument cluster
Jc01
Jc01 b4
Jc01 jc02
Jc02
Jm09
Left vanity lamp
M/t
Main fuse 30a
Passenger compartment junction block (behind left side of dash)
Pnk
Power amp fuse 20a
Pre- excitation resistor
Red
Right vanity lamp
Starting/ charging system
Sunroof fuse 15a
Sunroof relay
Tcm (2.7l)
To condenser fan relay (high-1) (diagram 4 of 5)
To drl fuse, 15a (diagram 3 of 5)
To fuse 18, 10a (diagram 5 of 5)
Transaxle range switch
Vehicle speed sensor
W/o sunroof

Power Distribution Wiring Diagram (3 of 5) for Hyundai Sonata 2003

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List of elements for Power Distribution Wiring Diagram (3 of 5) for Hyundai Sonata 2003:

(2.4l) (2.7l)
(at left front corner of engine compartment) engine compartment junction block
(behind left side of dash) joint connector m39
(not used)
2.4l
2.7l
A/c control module
A/c switch
A/t
A/t control relay
A/t fuse 20a
A/t shift lever illumination
Audio
Auto a/c
C11
C44-2
C45-4 c94-1
C93-2
Cigarette lighter
Cruise control switch
D12
Digital clock
Drl control module
Drl fuse 15a
Ecm
Ecm fuse 10a
Exterior lights system
From main fuse, 30a (diagram 2 of 5)
Front fog lamp fuse 15a
Front fog lamp relay
Fuel pump fuse 20a
Fuel pump relay
Fuse 25 10a
Fuse 29 10a
Generator
Glove box lamp
Hazard switch
Head lamp (high) fuse 15a
Headlamp washer fuse 20a
Headlight relay (high)
Headlight relay (low)
I/p-a
I/p-b
I/p-e
I/p-f
I/p-g
I/p-j
I/p-m
I17-1
I21-2
Instrument cluster
Jc01 jc02
Jc02
Je01
Jm09
Jm09 f8
Joint connector i20 (behind instrument cluster)
Left front park/ turn signal lamp
Left front seat warmer switch
Left head lamp (low) fuse 15a
Left license lamp
Left rear combination lamp
Left rear power window switch
Left side marker lamp
M/t
Manual a/c
Nca
Passenger compartment junction block (behind left side of dash)
Pcm
Power window main switch
Red
Rheostat
Right front park/ turn signal lamp
Right front power window switch
Right front seat warmer switch
Right head lamp (low) fuse 15a
Right license lamp
Right rear combination lamp
Right rear power window switch
Right side marker lamp
Siren (w/ burglar alarm)
Sport mode switch
Tail lamp fuse 20a
Tail light relay
Tcs switch
To passenger compartment junction block fuse 1, 30a (diagram 4 of 5)
Transmission control module (2.7l)

Power Distribution Wiring Diagram (4 of 5) for Hyundai Sonata 2003

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List of elements for Power Distribution Wiring Diagram (4 of 5) for Hyundai Sonata 2003:

(2.4l) (2.7l)
(at left front corner of engine compartment) engine compartment junction block
(diagram 3 of 5)
(not used)
2.4l
2.7l
A/c control module
A/c relay
A/c switch
A/t
Audio
Auto a/c
B12
C10
C44-2
C45-1
Camshaft position sensor
Condenser
Condenser fan relay (high-1)
Condenser fan relay (high-2)
Crankshaft position sensor
D10
D11
Defogger relay
Defogger system
Digital clock
Diode z03
Door key hole illumination
Door lock relay 1
Door lock relay 2
Door warning switch
E10
Ecm
Egr fuse 15a
Egr solenoid valve
Etacm
From fuel pump fuse, 20a h
From injector fuse, 10a (diagram 2 of 5)
Fuel filler door & trunk lid switch
Fuel pump relay
Fuse 1 10a
Fuse 10a
Fuse 15a
Fuse 24 10a
Fuse 25a
Fuse 6 15a
Hazard relay
Hazard switch
Home link controller
I/p-a
I/p-b
I/p-c
I/p-e
I/p-f
I/p-g
I/p-j
I/p-l
I/p-m
I17-1
I21-2
Idle speed control actuator
Immobilizer control module
Instrument cluster
Jc01
Jc02
Jm09
Keyless entry control module
Left door lamp
Left door mirror motor & defogger
Left vanity lamp
M/t
M33-3
Manual a/c
Map lamp
Mass airflow sensor
Multipurpose check connector
Nca
Overhead console assembly
Passenger compartment junction block (behind left side of dash)
Passenger compartment junction block fuse 1 30a
Passenger compartment junction block fuse 2 30a
Passenger compartment relay box (left side of dash)
Pcm
Pnk
Power antenna
Power seat adjuster switch
Purge control solenoid valve
Radiator fan relay (high-1)
Radiator fan relay (high-2)
Rear defogger fuse 30a
Rear oxygen sensor (bank 2/sensor 2)
Red
Right door lamp
Right door mirror motor & defogger
Right vanity lamp
Room lamp
Short connector
Stoplamp switch
To oxygen sensor fuse, 15a (diagram 5 of 5)
Trunk lid relay
Trunk room lamp
W/ burglar alarm
W/ sun roof
W/o immobilizer
W/o sun roof

Power Distribution Wiring Diagram (5 of 5) for Hyundai Sonata 2003

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List of elements for Power Distribution Wiring Diagram (5 of 5) for Hyundai Sonata 2003:

(2.4l) (2.7l)
(at left front corner of engine compartment) engine compartment junction block
(behind instrument cluster) joint connector i22
(behind left side of dash) passenger compartment junction block
(not used)
2.4l
2.7l
A/c control module
A/c control module (auto a/c)
A/c switch
A/t
Aqs sensor
Auto a/c
Blend door actuator
Blower relay
Burglar alarm relay
C45-4
Canister close valve
Cruise control module
Digital clock
Driver seat buckle switch
Ecm (2.4l)
Electronic chrome mirror
Etacm
From fuse 10, 10a (diagram 1 of 5)
From fuse 12, 10a (diagram 2 of 5)
From ignition switch (diagram 1 of 5)
From radiator fan relay (high-2) (diagram 4 of 5)
Front oxygen sensor
Front oxygen sensor (bank 2/sensor 1)
Fuse 10a
Fuse 15a
Fuse 19 10a
Fuse 20a
Fuse 5 10a
Home link controller
I/p-a
I/p-g
I/p-j
I/p-k
I/p-m
I17-1
I21-2
Instrument cluster
Jc01
Jc01 jc02
Je01
Jm09
Joint connector m09 (behind center of dash)
Left front seat warmer switch
M/t
M33-3
Manual a/c
Nca
Oxygen sensor fuse 15a
Passenger compartment relay box (behind left side of dash)
Passenger presence detection sensor
Passenger seat buckle switch
Pnk
Radiator fan relay (low)
Rear oxygen sensor
Rear oxygen sensor (bank 1/sensor 1)
Rear oxygen sensor (bank 1/sensor 2)
Right front seat warmer switch
Srs control module
Start relay
Starter clutch pedal position switch
Stop lamp switch
Sunroof relay
Transaxle range switch
W/ b/alarm
W/ clutch switch
W/o b/alarm
W/o clutch switch
Washer motor
Water temperature sensor (manual a/c)
Wiper motor
Wiper motor relay

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Hyundai Sonata 2003

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List of elements for Power Door Locks Wiring Diagram for Hyundai Sonata 2003:

(under dash, on left lower "a" pillar) g03
(under dash, on right lower "a" pillar) g05
87a
Check
Code save
Door lock
Door lock knob or door lock key
Door lock relay 1
Door lock relay 2
Door lock/unlock rly ctrl
Door unlock
Door unlock switch
Etacm
Etacm (in passenger compt junction block)
Fuse 10a
Fuse 15a
G04 (under center of dash, behind ignition switch)
G07 (at center of left seat crossmember)
G09 (under trim, near top of right rear shock absorber)
Ground
Hot at all times
I/p-e
I/p-f
I/p-g
Joint connector d12 (in front doors)
Joint connector d13 (in front doors)
Joint connector m08
Junction block ground
Keyless entry control module (behind lower center of dash)
Left front door lock actuator
Left front lock/unlock in
Left rear door lock actuator
Lock
M33-1
M33-2
M33-3
Memory power
Multipurpose check connector (under dash, to left of steering column)
Passenger compartment junction block (behind left side of dash)
Power window main switch
Rear door lock/unlock in
Right front door lock actuator
Right front lock/unlock in
Right rear door lock actuator
Short connector
Tan
Unlock
W/o immobilizer

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Hyundai Sonata 2003

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List of elements for Electrochromic Mirror Wiring Diagram for Hyundai Sonata 2003:

(2.4l)
(2.7l)
Back-up lamp switch (on top of transaxle)
Electronic chrome mirror
Engine compartment junction block (at left front corner of engine compartment)
Fuse 17 10a
Fuse 5 10a
G03 (under dash, on left lower ``a" pillar)
Hot in on
Hot in on or start
I/p-b
I/p-d
I/p-e
I/p-j
Jc01
Jc02
Jm09
Nca ground
Nca ``on" input
Passenger compartment junction block (behind left side of dash)
Pnk
Pnk a11
Transaxle nca range sw ``r" position
Transaxle range switch (on top of d transaxle)
Transmissions system
W/ automatic transaxle
W/ manual transaxle

Power Mirrors Wiring Diagram for Hyundai Sonata 2003

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List of elements for Power Mirrors Wiring Diagram for Hyundai Sonata 2003:

(in front doors) joint connector d12
Defogger system
Down
Down left
Fuse 30 15a
G03 (on left lower ``a" pillar)
Hot in acc or on
I/p-g
Left
Left door mirror motor & defogger
Left/ right switch
Left/right
Nca
Passenger compartment junction block (behind left side of dash)
Power door mirror switch
Red
Right
Right door mirror motor & defogger
Selector switch right
Up right
Up/ down switch
Up/down

POWER SEATS

Heated Seats Wiring Diagram for Hyundai Sonata 2003

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List of elements for Heated Seats Wiring Diagram for Hyundai Sonata 2003:

Back warmer
Cushion warmer
Fuse 15 15a
G04 (under center of dash, behind ignition switch)
G07 (at center of left seat crossmember)
Hot in on
I/p-g
Illum
Ind
Interior lights system
Left front seat warmer
Left front seat warmer switch
Nca
Passenger compartment junction block (behind left side of dash)
Pnk
Right front seat warmer
Right front seat warmer switch
Thermostat

Power Seat Wiring Diagram for Hyundai Sonata 2003

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List of elements for Power Seat Wiring Diagram for Hyundai Sonata 2003:

(at center of left seat crossmember) g07
Back
Condenser
Down
Forward
Front height
Front height adjuster
Fuse 7 25a
Hot at all times
I/p-c
Nca
Passenger compartment junction block (behind left side of dash)
Power seat adjuster switch
Rear height
Rear height adjuster
Reclining
Reclining adjuster
Red
Slide
Slide adjuster
Slide adjuster limit switch

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Hyundai Sonata 2003

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List of elements for Power Top/Sunroof Wiring Diagram for Hyundai Sonata 2003:

Close
Close/ tilt up
Computer data lines system
Engine compartment junction block (at left front corner of engine compartment)
Fuse 10a
G03 (under dash, on left lower "a" pillar)
Hot at all times
Hot at on
I/p-d
I/p-g
I/p-j
Jm09
Limit switch
Nca
Open
Open/tilt down
Overhead console assembly
Passenger compartment junction block (behind left side of dash)
Roof closed
Roof open
Sun roof motor (at front of sun roof opening)
Sun roof relay (at front of sun roof opening)
Sun roof switch
Sunroof fuse 15a
Tilt down
Tilt up

POWER WINDOWS

Power Windows Wiring Diagram for Hyundai Sonata 2003

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List of elements for Power Windows Wiring Diagram for Hyundai Sonata 2003:

Auto down/up control unit
Down
Electronic time & alarm control module (etacm)
Engine compartment junction block (at left front corner of engine compartment)
Express down
G03 (on lower left "a" pillar)
Hot at all times
I/p-b
Illum
Interior lights system
J/c d12 (in driver's door)
J/c m09 (behind center of dash)
J/c m67 (below left front seat)
Jm10
Left front power window motor
Left front window switch
Left rear power window motor
Left rear power window switch
Left rear window switch
Lock
Lock switch
M33-3
Nca
Off
Off down
Passenger compartment junction block (behind left side of dash)
Power window fusible link 40a
Power window main switch
Power window relay
Red
Right front power window motor
Right front power window switch
Right front window switch
Right rear power window motor
Right rear power window switch
Right rear window switch
Tan
Un- lock

RADIO

Radio Wiring Diagram, with Amplifier for Hyundai Sonata 2003

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List of elements for Radio Wiring Diagram, with Amplifier for Hyundai Sonata 2003:

Acc/on in
Amp 1
Amp 2
Amp ctrl
Audio
Audio cable
Engine compartment junction block (at left front corner of engine compartment)
Fuse 24 10a
Fuse 26 10a
Fuse on back of audio
G04 (under center of dash, behind ignition switch)
G07 (at center of left seat crossmember)
Ground
Hot at all times
Hot in acc or on
I/p-e
I/p-f
I/p-g
Ill (+)
Ill (-)
Interior lights system
Jm09
Joint connector m08
Left front speaker
Left rear speaker
Left tweeter speaker
Lf speaker
Lr speaker
Mem power
Nca
Passenger compartment junction block (behind left side of dash)
Power amp fuse 20a
Power antenna system
Red
Relay ctrl
Remote ctrl
Rf speaker
Right front speaker
Right rear speaker
Right tweeter speaker
Rr speaker
Tan

Radio Wiring Diagram, without Amplifier for Hyundai Sonata 2003

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List of elements for Radio Wiring Diagram, without Amplifier for Hyundai Sonata 2003:

Acc/on in
Audio
Fuse 24 10a
Fuse 26 10a
Fuse on back of audio
G04 (under center of dash, behind ignition switch)
Grd
Hot at all times
Hot in on or acc
I/p-g
Ill (+)
Ill (-)
Interior lights system
Joint connector m08
Left front speaker
Left rear speaker
Left tweeter speaker
Lf speaker
Lr speaker
Mem pwr
Nca
Passenger compartment junction block (behind left side of dash)
Power antenna system
Pwr ant ctrl
Red
Rf speaker
Right front speaker
Right rear speaker
Right tweeter speaker
Rr speaker
Tan

STARTING/CHARGING

Starting Wiring Diagram, A/T for Hyundai Sonata 2003

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List of elements for Starting Wiring Diagram, A/T for Hyundai Sonata 2003:

(2.4l) (2.7l)
(on left front strut tower) (2.4l) g15
(on left front strut tower) (2.7l) g20
2.4l
Acc
Battery
Battery ground
Burglar alarm relay
C44-2
Engine compartment junction block (at left front corner of engine compartment)
Etacm (in passenger compartment junction block)
Fuse 10a
I/p-a
I/p-d
I/p-g
Ignition switch
Ignition switch fusible link 1 30a
Ignition switch fusible link 2 30a
Jc01 jc02
Je01
Jm09
Jm10
Jmo9
Lock
M33-2
Motor
Park/neutral input
Passenger compartment junction block (behind left side of dash)
Passenger compartment relay box (behind left side of dash)
Pcm (behind lower center of dash)
Pnk
Red
Start
Start motor
Start relay
Start solenoid
Transaxle range switch (on top of transaxle)
W/ burglar alarm
W/o burglar alarm

Starting Wiring Diagram, M/T for Hyundai Sonata 2003

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List of elements for Starting Wiring Diagram, M/T for Hyundai Sonata 2003:

(2.4l) (2.7l)
(on left front strut tower) (2.4l) g15
(on left front strut tower) (2.7l) g20
2.4l
Acc
Battery
Battery ground
Burglar alarm relay
Burglar alarm relay control
C45-4
Ecm (behind lower center of dash)
Engine compartment junction block (at left front corner of engine compartment)
Etacm (in passenger compartment junction block)
Fuse 10a
I/p-a
I/p-d
I/p-g
Ignition switch
Ignition switch fusible link 1 30a
Ignition switch fusible link 2 30a
Jc01
Jc01 jc02
Je01
Jm09
Jm10
Jmo9
Lock
M33-2
Motor
Nca
Passenger compartment junction block (behind left side of dash)
Passenger compartment relay box (behind left side of dash)
Pnk
Red
Start
Start motor
Start relay
Start signal
Start solenoid
Starter clutch pedal position switch (closed w/ clutch pedal depressed) (on clutch pedal bracket)
W/ burglar alarm
W/ clutch switch
W/o burglar alarm
W/o clutch switch

2.4L

2.4L, Charging Wiring Diagram for Hyundai Sonata 2003

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List of elements for 2.4L, Charging Wiring Diagram for Hyundai Sonata 2003:

(at left front corner of engine compartment) engine compartment junction block
A/t
Battery
Battery ground
C11
C12
C44-1
C44-2
C45-2
Charge indicator
E11
E12
Ecm (behind lower center of dash)
Ecm fuse 10a
Etacm
Fuse 18 10a
Fusible link 120a
Generator b
Headlights system (drl control module) (if equipped)
Hot in on or start
I/p-g
I/p-m
I21-2
I21-3
Instrument cluster
Jc01
Je01
Jm09
Joint connector i22 (behind instrument cluster)
M/t
M33-3
Nca
Passenger compartment junction block (behind left side of dash)
Pcm (behind lower center of dash)
Pnk
Pre- excitation resistor
Red

2.7L

2.7L, Charging Wiring Diagram for Hyundai Sonata 2003

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List of elements for 2.7L, Charging Wiring Diagram for Hyundai Sonata 2003:

(at left front corner of engine compartment) engine compartment junction block
Battery
Battery ground
C11
C12
Charge indicator
E11
E12
Ecm fuse 10a
Etacm
Fuse 18 10a
Fusible link 120a
Generator b
Headlights system (drl control module) (if equipped)
Hot in on or start
I/p-g
I/p-m
I21-2
I21-3
Instrument cluster
Jc02
Je01
Jm09
Joint connector i22 (behind instrument cluster)
M33-3
Nca
Passenger compartment junction block (behind left side of dash)
Pnk
Pre- excitation resistor
Red

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Hyundai Sonata 2003

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List of elements for Supplemental Restraints Wiring Diagram for Hyundai Sonata 2003:

(under center console, to right of shift cable) g10
(under center console, to right shift cable) g10
Buckle switch
Clock spring
Data link connector (partial) (under dash, left of steering column)
Diagnosis
Driver air bag
Driver satellite sensor (at base of left "b" pillar)
Driver seat belt pretensioner
Driver seat buckle switch
Driver side air bag
Etacm
Fuse 10a
Fuse 15a
Ground
High
High side
Hot in on or start
I/p-b
I/p-e
I/p-k
I/p-l
I21-2
Ignition
Impact signal
Instrument cluster
Low
Low side
M33-2
Multi- function switch
Nca
Passenger air bag
Passenger compartment junction block (behind left side of dash)
Passenger detection
Passenger presence detection sensor (below front passenger's seat)
Passenger satellite sensor (at base of right "b" pillar)
Passenger seat belt pretensioner
Passenger seat buckle switch
Passenger side air bag
Pnk
Red
Signal
Srs control module (under floor console, rear of parking brake lever)
Srs indicator (air bag)
Srs warning ind ctrl
Steering wheel

TRANSMISSION

2.4L

2.4L, A/T Wiring Diagram for Hyundai Sonata 2003

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List of elements for 2.4L, A/T Wiring Diagram for Hyundai Sonata 2003:

(behind center of dash) j/c m09
(right side of driver's footwell) j/c c41
(top of transaxle) transaxle range switch
(under center console)
1 input
2 input
2nd
3 input
4 input
A/t control relay (base of crash pad center support bracket)
A/t fuse 20a
A/t lcd illum
A/t pulse generator a (on top of transaxle)
A/t pulse generator b (on top of transaxle)
A/t relay
A/t solenoid assembly (in transaxle valve body)
A11 jm09
Battery
C10
C44-2
C44-3
C44-4
Computer data lines system
Cruise control
Cruise control, elec pwr steering, instrument cluster, computer data lines, body computer systems
Crz ctrl
D input
Dcc
Down shift
Dwn shft
Ect sens
Egr fuse 15a
Engine compartment junction block (left front of engine compt)
Engine coolant temperature sensor (rear of cyl head)
Exterior lights
Fuse 10a
Fuse 15a
G11 (on firewall, near surge tank)
G14
G14 (under center console)
Gen a
Gen b
Ground
Hot at all times
Hot in on or start
Hot w/ engine control relay energized
I/p-b
I/p-e
I/p-l
I21-1
Ignition
Ignition coil fuse 20a
Instrument cluster
Interior lights system
J/c c42 (right side of driver's footwell)
Jc01
Jc01 d9
Kline diag
N input
Nca
Norm
Oil temp
Oil temp sensor
P input
Passenger compartment junction block (behind left side of dash)
Pnk
Powertrain control module (behind lower center of dash)
R input
Red
Select switch
Sens gnd
Sens pwr
Sport
Sport mode switch
Sport sw
Starting/ charging system
Stop sw
Stoplamp switch (on brake pedal bracket)
Throttle position sensor (on throttle body assembly)
Tps sig
Up shft
Up shift
Vehicle speed sensor (bottom of transaxle)
Vss