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Home >> Hyundai >> 2006 >> Sonata LX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G6DB-GSL 3.3) >> Etc (Electric Throttle Control) System >> Powertrain Control Module (Pcm) >> Powertrain Control Module (Pcm)
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Powertrain Control Module (Pcm)

  1. PCM HARNESS CONNECTOR
    Fig 1: Identifying PCM Harness Connector
    G04891241
  2. PCM TERMINAL FUNCTION

    CONNECTOR [C144-1] 

    CONNECTOR DESCRIPTION

    Pin No. Description Connected to
    1 2nd CAN [High] Multi-Purpose Check Connector
    2 2nd CAN [Low] Multi-Purpose Check Connector
    3 For Autotransaxle Control  
    4 For Autotransaxle Control  
    5 For Autotransaxle Control  
    6 For Autotransaxle Control  
    7 For Autotransaxle Control  
    8 For Autotransaxle Control  
    9 Clutch Switch signal input Cruise Clutch Pedal Position Switch
    10 For Autotransaxle Control  
    11 For Autotransaxle Control  
    12 -  
    13 For Autotransaxle Control  
    14 -  
    15 Alternator load signal input Alternator
    16 Cruise Switch ground Cruise Switch
    17 Fuel Tank Pressure Sensor ground Fuel Tank Pressure Sensor (FTPS)
    18 Air conditioner switch "ON" signal input Air Conditioner Switch
    19 -  
    20 For Autotransaxle Control  
    21 Brake switch signal input Brake Switch
    22 For Autotransaxle Control  
    23 Brake lamp signal input Brake Lamp
    24 For Autotransaxle Control  
    25 Cruise Switch signal input Cruise Switch
    26 Air conditioner thermal switch signal input Air Conditioner Thermal Switch
    27 Diagnostic Data Line (K-Line) Data Link Connector (DLC)
    28 Fuel Tank Pressure Sensor signal input Fuel Tank Pressure Sensor (FTPS)
    29 Fuel level signal input Fuel Sender (in Fuel Pump Assembly)
    30 -  
    31 -  
    32 Air Conditioner Pressure Sensor signal input Air Conditioner Pressure Sensor
    33 Sensor ground Air Conditioner Pressure Sensor, Power Steering Pressure Sensor (PSPS)
    34 -  
    35 For Autotransaxle Control  
    36 -  
    37 Canister Close Valve control output Canister Close Valve (CCV)
    38 Battery voltage supply after main relay Main Relay
    39 Battery voltage supply after main relay Main Relay
    40 Battery voltage supply after main relay Main Relay
    41 CAN [High] ABS Control Module, ESP Control Module
    42 CAN [Low] ABS Control Module, ESP Control Module
    43 Main Relay control output Main Relay
    44 Intake Air Temperature Sensor signal input Intake Air Temperature Sensor (IATS)
    45 Immobilizer communication line Immobilizer
    46 Power Steering Pressure Sensor signal input Power Steering Pressure Sensor (PSPS)
    47 Mass Air Flow Sensor signal input Mass Air Flow Sensor (MAFS)
    48 Accelerator Position Sensor #2 ground Accelerator Position Sensor (APS) #2
    49 Accelerator Position Sensor #2 signal input Accelerator Position Sensor (APS) #2
    50 For Autotransaxle Control  
    51 Cruise "SET" lamp control output (Cruise "SET" Lamp)
    52 Vehicle speed signal input ABS Control Module, ESP Control Module [With ABS/ESP]
    53 Intake Air Temperature Sensor ground Intake Air Temperature Sensor (IATS)
    54 Accelerator Position Sensor #1 signal input Accelerator Position Sensor (APS) #1
    55 Accelerator Position Sensor #1 ground Accelerator Position Sensor (APS) #1
    56 Fuel Tank Pressure Sensor sensor power supply Fuel Tank Pressure Sensor (FTPS)
    57 Accelerator Position Sensor #2 power supply Accelerator Position Sensor (APS) #2
    58 Sensor Power Supply (+5V) Air Conditioner Pressure Sensor, Power Steering Pressure Sensor (PSPS)
    59 Accelerator Position Sensor #1 power supply Accelerator Position Sensor (APS) #1
    60 For Autotransaxle Control  
    61 Engine speed signal output Cluster (Tachometer)
    62 Fuel consumption signal output Trip Computer
    63 Malfunction Indicator Lamp (MIL) control output Cluster (Malfunction Indicator Lamp)
    64 Air Conditioner Compressor Relay control output Air Conditioner Compressor Relay
    65 For Autotransaxle Control  
    66 Cooling Fan control output (PWM) Cooling Fan Control Module
    67 For Autotransaxle Control  
    68 Throttle Position Sensor signal (PWM) output ABS Control Module, ESP Control Module
    69 Cruise "MAIN" lamp control output Cruise "MAIN" Lamp
    70 Fuel Pump Relay control output Fuel Pump Relay
    71 Variable Intake Solenoid Valve control output Variable Intake Solenoid (VIS) Valve
    72 Immobilizer lamp control output Immobilizer Lamp
    73 For Autotransaxle Control  
    74 For Autotransaxle Control  
    75 For Autotransaxle Control  
    76 For Autotransaxle Control  
    77 For Autotransaxle Control  
    78 Purge Control Solenoid Valve control output Purge Control Solenoid Valve (PCSV)
    79 Wheel Speed Sensor [Low] signal input Wheel Speed Sensor (WSS)[Without ABS/ESP]
    80 Wheel Speed Sensor [High] signal input Wheel Speed Sensor (WSS)[Without ABS/ESP]

    CONNECTOR [C144-2] 

    CONNECTOR DESCRIPTION

    Pin No. Description Connected to
    1 ETC Motor [-] control output ETC Motor (in ETC Module)
    2 ETC Motor [+] control output ETC Motor (in ETC Module)
    3 For Autotransaxle Control  
    4 CWT Oil Temperature Sensor signal input CWT Oil Temperature Sensor (OTS)
    5 -  
    6 For Autotransaxle Control  
    7 Engine Coolant Temperature Sensor signal input Engine Coolant Temperature Sensor (ECTS)
    8 Manifold Absolute Pressure Sensor signal input Manifold Absolute Pressure Sensor (MAPS)
    9 For Autotransaxle Control  
    10 For Autotransaxle Control  
    11 Manifold Absolute Pressure Sensor power supply Manifold Absolute Pressure Sensor (MAPS)
    12 Battery voltage supply after ignition switch Ignition Switch
    13 Throttle Position Sensor #2 power supply Throttle Position Sensor (TPS) #2
    14 Throttle Position Sensor #1 ground Throttle Position Sensor (TPS) #1
    15 Camshaft Position Sensor [Bank 2] power supply Camshaft Position Sensor (CMPS) [Bank 2]
    16 Throttle Position Sensor #1 power supply Throttle Position Sensor (TPS) #1
    17 Camshaft Position Sensor [Bank 2] ground Camshaft Position Sensor (CMPS) [Bank 2]
    18 Camshaft Position Sensor [Bank 1] ground Camshaft Position Sensor (CMPS) [Bank 1]
    19 Ignition Coil (Cylinder #6) control output Ignition Coil (Cylinder #6)
    20 -  
    21 Crankshaft Position Sensor [High] signal input Crankshaft Position Sensor (CKPS)
    22 For Autotransaxle Control  
    23 Sensor Shield Crankshaft Position Sensor (CKPS), Knock Sensor (KS) #1,2
    24 Camshaft Position Sensor [Bank 2] signal input Camshaft Position Sensor (CMPS) [Bank 2]
    25 Camshaft Position Sensor [Bank 1] signal input Camshaft Position Sensor (CMPS) [Bank 1]
    26 -  
    27 -  
    28 Heated Oxygen Sensor [Bank 2 / Sensor 1] ground Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
    29 Heated Oxygen Sensor [Bank 2 / Sensor 2] ground Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2]
    30 Heated Oxygen Sensor [Bank 1 / Sensor 1] ground Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
    31 Heated Oxygen Sensor [Bank 1 / Sensor 2] ground Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
    32 Camshaft Position Sensor [Bank 1] power supply Camshaft Position Sensor (CMPS) [Bank 1]
    33 Engine Coolant Temperature Sensor ground Engine Coolant Temperature Sensor (ECTS)
    34 Sensor ground Manifold Absolute Pressure Sensor (MAPS), CWT Oil Temperature Sensor (OTS)
    35 Power ground Chassis Ground
    36 Power ground Chassis Ground
    37 Power ground Chassis Ground
    38 Power ground Chassis Ground
    39 Power ground Chassis Ground
    40 Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4)
    41 Crankshaft Position Sensor [Low] signal input Crankshaft Position Sensor (CKPS)
    42 For Autotransaxle Control  
    43 For Autotransaxle Control  
    44 For Autotransaxle Control  
    45 For Autotransaxle Control  
    46 -  
    47 -  
    48 Throttle Position Sensor #1 signal input Throttle Position Sensor (TPS) #1
    49 Heated Oxygen Sensor [Bank 1 / Sensor 1] signal input Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
    50 Heated Oxygen Sensor [Bank 1 / Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
    51 Heated Oxygen Sensor [Bank 2 / Sensor 1] signal input Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
    52 Heated Oxygen Sensor [Bank 2 / Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2]
    53 Knock Sensor (KS) #2 [High] signal input Knock Sensor (KS) #2 [High]
    54 Knock Sensor (KS) #2 [Low] signal input Knock Sensor (KS) #2 [Low]
    55 Knock Sensor (KS) #1 [Low] signal input Knock Sensor (KS) #1 [Low]
    56 Knock Sensor (KS) #1 [High] signal input Knock Sensor (KS) #1 [High]
    57 Throttle Position Sensor #2 signal input Throttle Position Sensor (TPS) #2
    58 Throttle Position Sensor #2 ground Throttle Position Sensor (TPS) #2
    59 For Autotransaxle Control  
    60 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2)
    61 CWT Oil Control Valve [Bank 2] control output CWT Oil Control Valve (OCV) [Bank 2]
    62 CWT Oil Control Valve [Bank 1] control output CWT Oil Control Valve (OCV) [Bank 1]
    63 Injector (Cylinder #2) control output Injector (Cylinder #2)
    64 Injector (Cylinder #3) control output Injector (Cylinder #3)
    65 -  
    66 -  
    67 Heated Oxygen Sensor [Bank 2 / Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 1]
    68 Injector (Cylinder #4) control output Injector (Cylinder #4)
    69 Injector (Cylinder #5) control output Injector (Cylinder #5)
    70 Heated Oxygen Sensor [Bank 1 / Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1]
    71 Injector (Cylinder #6) control output Injector (Cylinder #6)
    72 Injector (Cylinder #1) control output Injector (Cylinder #1)
    73 Heated Oxygen Sensor [Bank 2 / Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 2 / Sensor 2]
    74 Heated Oxygen Sensor [Bank 1 / Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
    75 For Autotransaxle Control  
    76 Battery Power Battery
    77 Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3)
    78 Ignition Coil (Cylinder #5) control output Ignition Coil (Cylinder #5)
    79 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1)
    80 -  
  3. PCM TERMINAL INPUT/OUTPUT SIGNAL CONNECTOR [C144-1]
    CONNECTOR DESCRIPTION

    Pin No. Description Condition Type Level Test Result
    1 2nd CAN [High] Idle DC 2.0 ~ 3.0V 2.5V
    2 2nd CAN [Low] Idle DC 2.0 ~ 3.0V 2.5V
    3 For Autotransaxle Control        
    4 For Autotransaxle Control        
    5 For Autotransaxle Control        
    6 For Autotransaxle Control        
    7 For Autotransaxle Control        
    8 For Autotransaxle Control        
    9 Clutch Switch signal input        
    10 For Autotransaxle Control        
    11 For Autotransaxle Control        
    12 -        
    13 For Autotransaxle Control        
    14 -        
    15 Alternator load signal input Idle PULSE High: Battery Voltage 13.6V
    Low: Max. 1.5V 0V
    140-190Hz 160Hz
    16 Cruise Switch ground        
    17 Fuel Tank Pressure Sensor ground Idle DC Max. 50mV 30mV
    18 Air conditioner switch "ON" signal input A/CON Relay OFF DC Battery Voltage 9.1V
    A/CON Relay ON Max. 1.0V 0.1V
    19 -        
    20 For Autotransaxle Control        
    21 Brake switch signal input Brake pedal releasing DC Battery Voltage 12.7V
    Brake pedal pressing Max. 0.5V 0.03V
    22 For Autotransaxle Control        
    23 Brake lamp signal input Brake pedal releasing DC Max. 0.5V 0V
    Brake pedal pressing Battery Voltage 13.0V
    24 For Autotransaxle Control        
    25 Cruise Switch signal input        
    26 Air conditioner thermal switch signal input A/CON OFF DC Max. 1.0V 0V
    A/CON ON Battery Voltage 11.9V
    27 Diagnostic Data Line (K-Line) When transmitting PULSE High: Min. Vbatt * 80% 11.3V
    Low: Max. Vbatt * 20% 0.14V
    When receiving High: Min. Vbatt * 70% 11.3V
    Low: Max. Vbatt * 30% 0.32V
    28 Fuel Tank Pressure Sensor signal input        
    29 Fuel level signal input        
    30 -        
    31 -        
    32 Air Conditioner Pressure Sensor signal input A/CON OFF DC 0 ~ 5.0V  
    A/CON ON 1.85 ~ 2.2V
    33 Sensor ground Idle DC Max. 50mV 40mV
    34 -        
    35 For Autotransaxle Control        
    36 -        
    37 Canister Close Valve control output        
    38 Battery voltage supply after main relay IG OFF DC Max. 1.0V 0V
    IG ON Battery Voltage 12.1V
    39 Battery voltage supply after main relay IG OFF DC Max. 1.0V 0V
    IG ON Battery Voltage 12.1V
    40 Battery voltage supply after main relay IG OFF DC Max. 1.0V 0V
    IG ON Battery Voltage 12.1V
    41 CAN [High] RECESSIVE PULSE 2.0 ~ 3.0V 3.85V
    DOMINANT 2.75-4.5V 2.5V
    42 CAN [Low] RECESSIVE PULSE 2.0 ~ 3.0V 2.55V
    DOMINANT 2.75-4.5V 1.34V
    43 Main Relay control output Relay ON DC Battery Voltage 12.3V
    Relay OFF Max. 1.0V 0.87V
    44 Intake Air Temperature Sensor signal input Idle Analog 0 ~ 5.0V 1.86V
    45 Immobilizer communication line        
    46 Power Steering Pressure Sensor signal input Neutral Analog 0 ~ 5.0V 0.89V
    Full-Turn 4.16V
    47 Mass Air Flow Sensor signal input Idle PULSE High: Vref 5.04V
    Low: Max. 0.5V 0.27V
    Idle: 3.0KHz  
    3,000 rpm High: Vref 5.04V
    Low: Max. 0.5V 0.27V
    3000rpm: 4.5 kHz  
    48 Accelerator Position Sensor #2 ground Idle DC Max. 50mV 35mV
    49 Accelerator Position Sensor #2 signal input C.T Analog 0.3-0.9V 0.4V
    W.O.T 1.5 ~ 3.0V 2.1V
    50 For Autotransaxle Control        
    51 Cruise "SET" lamp control output        
    52 Vehicle speed signal input Vehicle running PULSE High: Min. 5.0V 12.6V
    Low: Max. 1.0V 0.2V
    53 Intake Air Temperature Sensor ground Idle DC Max. 50mV 34mV
    54 Accelerator Position Sensor #1 signal input C.T Analog 0.3 ~ 0.9V 0.77V
    W.O.T 4.0-4.8V 4.23V
    55 Accelerator Position Sensor #1 ground Idle DC Max. 50mV 36mV
    56 Fuel Tank Pressure Sensor sensor supply        
    57 Accelerator Position Sensor #2 power supply IG OFF DC Max. 0.5V 0V
    IG ON 4.9-5.1V 5.08V
    58 Sensor Power Supply (+5V) IG OFF DC Max. 0.5V 0V
    IG ON 4.9 ~ 5.1V 5.08V
    59 Accelerator Position Sensor #1 power supply IG OFF DC Max. 0.5V 0V
    IG ON 4.9-5.1V 5.08V
    60 For Autotransaxle Control        
    61 Engine speed signal output Idle PULSE High: Battery Voltage 13.0V
    Low: Max. 0.5V 0V
    20-26Hz 35Hz
    62 Fuel consumption signal output Idle PULSE High: Battery Voltage or Vref 12.8V
    Low: Max. 0.5V 0V
    63 Malfunction Indicator Lamp (MIL) control output MIL OFF DC High: Battery Voltage 4.24V
    MIL ON Low: Max. 2.0V 0V
    64 Air Conditioner Compressor Relay control output A/CON OFF DC Battery Voltage 13.0V
    A/CON ON Max. 1.0V 0.14V
    65 For Autotransaxle Control        
    66 Cooling Fan control output (PWM) A/CON ON PULSE High: Vref 12.3V
    Low: 0-0.5 V 0V
      300Hz
    67 For Autotransaxle Control        
    68 Throttle Position Sensor signal (PWM) output Idle PULSE High: Battery Voltage 12.3V
    Low: 0-0.5 V 0V
      100Hz
    69 Cruise "CRUISE" lamp control output        
    70 Fuel Pump Relay control output Relay OFF DC Battery Voltage 12.5V
    Relay ON Max. 1.0V 0.09V
    71 Variable Intake Solenoid Valve control output Active DC Max. 1.0V 0.1V
    Inactive Battery Voltage 12.4V
    72 Immobilizer lamp control output        
    73 For Autotransaxle Control        
    74 For Autotransaxle Control        
    75 For Autotransaxle Control        
    76 For Autotransaxle Control        
    77 For Autotransaxle Control        
    78 Purge Control Solenoid Valve control output Inactive Active PULSE High: Battery Voltage 13.2V
    Low: Max. 1.0V 0.08V
      16Hz
    79 Wheel Speed Sensor [Low] signal input        
    80 Wheel Speed Sensor [High] signal input        
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