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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 >> Without TCU (Vehicle With Manual Transaxle)
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Without TCU (Vehicle With Manual Transaxle)

Fig 1: Identifying ECM Connectors - Without TCU (Vehicle With Manual Transaxle)
G03857096Courtesy of HYUNDAI MOTOR CO.

CONNECTOR [C45-1] 

CONNECTOR TERMINAL REFERENCE (CONNECTOR [C45-1])

TERMINAL SIGNAL CONNECTED TO
1 Injector 1 Control Injector 1
2 Injector 3 Control Injector 2
3 - -
4 Idle Speed Control Opening Coil Control Idle Speed Control Actuator (ISA)
5 - -
6 EGR Solenoid Valve Control EGR Solenoid Valve
7 - -
8 Fuel Pump Relay Control (A/C Relay Control)(1) Fuel Pump Relay (A/C Relay)(1)
9 Evaporative Purge Solenoid Valve Control PCSV
10 Ignition Coil 1 (1 4) Control Ignition Coil 1
11 - -
12 Battery Voltage Main Relay
13 Power Ground Chassis Ground
14 Injector 2 Control Injector 2
15 Injector 4 Control Injector 4
16 - -
17 Idle Speed Control Closing Coil Control Idle Speed Control Actuator (ISA)
18 - -
19 - -
20 Cooling Fan Relay High Control Fan Relay High
21 Cooling Fan Relay Low Control Fan Relay Low
22 A/C Relay Control (Fuel Pump Relay Control)(1) A/C Relay (Fuel Pump Relay)(1)
23 Ignition Coil 2 (2 3) Control Ignition Coil 2
24 - -
25 Battery Voltage Main Relay
26 Power Ground Chassis Ground
(1) For the vehicles with immobilizer

CONNECTOR [C45-2] 

CONNECTOR TERMINAL REFERENCE (CONNECTOR [C45-2])

TERMINAL SIGNAL CONNECTED TO
1 - -
2 - -
3 Alternator Terminal "G" Alternator
4 Throttle Position Signal Input (PWM) -
5 - -
6 MIL Control MIL
7 Power Steering Switch Input Power Steering Switch
8 Control Relay Control Main Relay
9 - -
10 - -
11 Alternator Terminal "FR" Alternator
12 A/C Pressure Switch Signal Input 1 A/C Pressure Switch
13 - -
14 - -
15 A/C Pressure Switch Signal Input 2 A/C Pressure Switch
16 - -

CONNECTOR [C45-3] 

CONNECTOR TERMINAL REFERENCE (CONNECTOR [C45-3])

TERMINAL SIGNAL CONNECTED TO
1 - -
2 Spark Timing Adjustment (+) Diagnosis Connector (20 pin)
3 - -
4 Rear HO2S Heater Control Rear HO2S
5 Canister Close Valve (CCV) Control CCV
6 - -
7 - -
8 Ignition Failure Sensor (IFS) Signal Input IFS
9 - -
10 Front HO2S Heater Control Front HO2S
11 Fuel Tank Pressure Sensor (FTPS) Signal Input FTPS
12 Diagnosis K-Line Diagnosis Connector (20 pin, 16 pin)

CONNECTOR [C45-4] 

CONNECTOR TERMINAL REFERENCE (CONNECTOR [C45-4])

TERMINAL SIGNAL CONNECTED TO
1 Starter "ST" Signal Input Starter
2 Intake Air Temperature Sensor (ATS) ATS
3 Manifold Absolute Pressure (MAP) Sensor Signal Input MAP Sensor
4 Fuel Level Sensor (FLS) Input Fuel Level Sensor (FLS)
5 Rear HO2S Signal Input Rear HO2S
6 Front HO2S Signal Input Front HO2S
7 Fuel Temperature Sensor (FTS) Signal Input Fuel Temperature Sensor (FTS)
8 Knock Sensor Signal Input Knock Sensor
9 Flash EP-ROM Battery Diagnosis Connector (20 pin)
10 Battery Back Up Main Relay
11 Sensor Reference Voltage (+5V) FTPS, MAP, AFS, TPS
12 Ignition Switch Ignition Switch
13 Engine coolant Temperature Sensor (ECTS) Signal Input ECTS
14 Throttle Position Sensor (TPS) Signal Input TPS
15 Mass Air Flow (MAF) Sensor Signal Input Air Flow Sensor (AFS)
16 Vehicle Speed Sensor (VSS) Signal Input VSS
17 - -
18 Camshaft Position (TCD) Sensor Signal Input TDC Sensor
19 Crankshaft Position (CKP) Sensor Signal Input CKP Sensor
20 - -
21 Neutral (N") Switch Chassis ground
22 Sensor Ground HO2S, FTPS, ECTS, MAP AFS, TPS