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Home >> Hyundai >> 2005 >> Sonata GL, 2.4 S, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4JS-GSL 2.4L) >> Gasoline Engine Control System >> ECM Terminal Layout >> With TCU (Vehicle With Automatic Transaxle)
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With TCU (Vehicle With Automatic Transaxle)

Fig 1: Identifying ECM Connectors - With TCU (Vehicle With Automatic Transaxle)
G03857097Courtesy of HYUNDAI MOTOR CO.

CONNECTOR [C44-1] 

CONNECTOR TERMINAL REFERENCE (CONNECTOR [C44-1])

TERMINAL SIGNAL CONNECTED TO
1 Injector 1 Control Injector 1
2 Injector 4 Control Injector 4
3 Front HO2S Heater Control (Bank 1) Front HO2S (Bank 1)
4 - -
5 - -
6 EGR Solenoid Valve Control EGR Solenoid Valve
7 - -
8 Alternator "G" Terminal Alternator
9 Injector 2 Control Injector 2
10 - -
11 Ignition Coil 1 (1 4) Control Ignition Coil 1
12 Ignition Coil 2 (2 3) Control Ignition Coil 2
13 - -
14 Idle Control Opening Coil Control Idle Speed Control Actuator (ISA)
15 - -
16 - -
17 Cooling Fan Relay High Control Fan Relay High
18 Cooling Fan Relay Low Control Fan Relay Low
19 - -
20 Fuel Pump Relay Control (A/C Relay Control)(1) Fuel Pump Relay (A/C Relay)(1)
21 A/C Relay Control (Fuel Pump Relay Control)(1) A/C Relay (Fuel Pump Relay)(1)
22 MIL Control MIL
23 Spark Timing Adjustment (+) Diagnosis Connector (20 pin)
24 Injector 3 Control Injector 3
25 - -
26 Rear HO2S Heater Control (Bank 1) Rear HO2S
27 - -
28 Idle Speed Control Closing Coil Control Idle Speed Control Actuator (ISA)
29 - -
30 Throttle Position Signal Output -
31 - -
32 - -
33 - -
34 Purge Control Solenoid Valve Control PCSV
35 Canister Control Valve (CCV) Control CCV
(1) For the vehicles with immobilizer.

CONNECTOR [C44-2] 

CONNECTOR TERMINAL REFERENCE CONNECTOR [C44-2])

TERMINAL SIGNAL CONNECTED TO
1 Battery Voltage Main Relay
2 Ground Chassis Ground
3 Ignition Failure Sensor (IFS) Signal Input IFS
4 Engine Coolant Temperature Sensor (ECTS) Signal Input ECTS
5 Crankshaft Position (CKP) Sensor Signal Input CKP Sensor
6 Sensor Reference Voltage (+5V) FTPS, MAP, AFS, TPS
7 Battery Voltage Main Relay
8 Ground Chassis Ground
9 Control Relay Control Main Relay
10 AT Control Relay Control Refer to  AUTOMATIC TRANSAXLE SYSTEM  . 
11 Fuel Temperature Sensor (FTS) Signal Input Fuel Temperature Sensor (FTS)
12 Power Steering Switch Input Power Steering Switch
13 - -
14 Alternator Terminal "FR" Alternator
15 Mass Air Flow Sensor (MAF) Signal Input Air Flow Sensor (AFS)
16 Camshaft Position (TDC) Sensor Signal Input TDC Sensor
17 Sensor Ground HO2S, FTPS, ECTS, MAP, AFS, TPS
18 Starter "ST" Signal Input Starter
19 - -
20 Fuel Level Sensor (FLS) Signal Input Fuel Level Sensor (FLS)
21 - -
22 A/C Pressure Switch Signal Input 1 A/C Pressure Switch
23 - -
24 Intake Air Temperature Sensor (ATS) Signal Input ATS
TERMINAL SIGNAL CONNECTED TO
25 - -
26 Battery Back Up Main Relay

CONNECTOR [C44-3] 

CONNECTOR TERMINAL REFERENCE (CONNECTOR [C44-3])

TERMINAL SIGNAL CONNECTED TO
1 Front HO2S Signal Input Front HO2S
2 - -
3 Rear HO2S Signal Input Rear HO2S
4 - -
5 Auto Cruise Control Switch Auto Cruise Unit
6 Ground Chassis Ground
7 AT Control Relay Control Refer to TRANSMISSION .
8 Throttle Position Sensor (TPS) Signal Input TPS
9 -  
10 Vehicle Speed Sensor (VSS) Signal Input VSS
11 - -
12 - -
13 A/C Pressure Switch Signal Input 2 A/C Pressure Switch
14 - -
15 Diagnosis K-Line Diagnosis Connector (20 pin, 16 pin)
16 - -
17 - -
18 Power Ground Chassis Ground
19 AT Solenoid Power Refer to TRANSMISSION .
20 Knock Sensor Signal Input Knock Sensor
21 Manifold Absolute Pressure (MAP) Sensor Signal Input MAP Sensor
22 Fuel Tank Pressure Sensor (FTPS) Signal Input FTPS
23 - -
24 - -
25 - -
26 - -
27 Power Ground Chassis Ground
28 Ignition Switch Ignition Switch
NOTE: Refer to TRANSMISSION .