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  1. Diagnostics.org.uk #1

    Astra H - Z19DTH ECU

    Pin assignment
    Pin Color Wire size Option Function
    1 Red-Blue 2.5 Z19DTL/Z19DT engines Powertrain Main Relay Fused Supply (2)
    1 Red-Blue 2.5 Engine Z19DTH Powertrain Main Relay Fused Supply (2)
    2 Brown 2.5 Z19DTL/Z19DT engines Ground
    2 Brown 2.5 Engine Z19DTH Ground
    4 Brown 2.5 Z19DTL/Z19DT engines Ground
    4 Brown 2.5 Engine Z19DTH Ground
    5 Red-Blue 2.5 Z19DTL/Z19DT engines Powertrain Main Relay Fused Supply (1)
    5 Red-Blue 2.5 Engine Z19DTH Powertrain Main Relay Fused Supply (1)
    6 Brown 2.5 Z19DTL/Z19DT engines Ground
    6 Brown 2.5 Engine Z19DTH Ground
    8 Brown-White 0.5 Z19DTL/Z19DT engines Accelerator Pedal Position Low Reference (2)
    8 Brown-White 0.5 Engine Z19DTH Accelerator Pedal Position Low Reference (2)
    9 White-Yellow 0.5 Z19DTL/Z19DT engines Accelerator Pedal Position Signal (1)
    9 White-Yellow 0.5 Engine Z19DTH Accelerator Pedal Position Signal (1)
    10 Brown-Green 0.75 Z19DTL/Z19DT engines Sensor Fuel Temperature 1 Return
    10 Brown-Green 0.75 Engine Z19DTH Sensor Fuel Temperature 1 Return
    11 Brown-White 0.75 Z19DTL/Z19DT engines Sensor Fuel Temperature 1 Signal
    11 Brown-White 0.75 Engine Z19DTH Sensor Fuel Temperature 1 Signal
    12 Brown-Black 0.5 Z19DTL/Z19DT engines A/C Refrigerant Pressure Sensor Low Reference
    12 Brown-Black 0.5 Engine Z19DTH A/C Refrigerant Pressure Sensor Low Reference
    13 Yellow-Red 0.5 Z19DTL/Z19DT engines A/C High Pressure Switch Signal
    13 Yellow-Red 0.5 Engine Z19DTH A/C High Pressure Switch Signal
    17 Brown-Gray 0.5 Z19DTL/Z19DT engines Stop Lamp Switch Signal
    17 Brown-Gray 0.5 Engine Z19DTH Stop Lamp Switch Signal
    19 Blue-White 0.5 Z19DTL/Z19DT engines Generator Turn On Signal
    19 Blue-White 0.5 Engine Z19DTH Generator Turn On Signal
    20 Brown-Red 0.5 Z19DTL/Z19DT engines Fuel Pump Primary Relay Control
    20 Brown-Red 0.5 Engine Z19DTH Fuel Pump Primary Relay Control
    22 Black-White 0.5 Z19DTL/Z19DT engines A/C Pressure Sensor 5 Volt Reference
    22 Black-White 0.5 Engine Z19DTH A/C Pressure Sensor 5 Volt Reference
    28 Black 0.75 Z19DTL/Z19DT engines Ignition Voltage
    28 Black 0.75 Engine Z19DTH Ignition Voltage
    29 Brown-Red 0.75 Z19DTL/Z19DT engines A/C Compressor Clutch Solenoid Control
    29 Brown-Red 0.75 Engine Z19DTH A/C Compressor Clutch Solenoid Control
    30 Brown-Red 0.5 Z19DTL/Z19DT engines Accelerator Pedal Position Low Reference (1)
    30 Brown-Red 0.5 Engine Z19DTH Accelerator Pedal Position Low Reference (1)
    31 White-Green 0.5 Z19DTL/Z19DT engines Accelerator Pedal Position Signal (2)
    31 White-Green 0.5 Engine Z19DTH Accelerator Pedal Position Signal (2)
    32 Blue-Green 0.5 Z19DTL/Z19DT engines Exhaust Gas Temperature Sensor (2)
    32 Blue-Green 0.5 Engine Z19DTH Exhaust Gas Temperature Sensor (2)
    33 Brown-White 0.5 Z19DTL/Z19DT engines Exhaust Gas Temperature Sensor 2 Low Reference
    33 Brown-White 0.5 Engine Z19DTH Exhaust Gas Temperature Sensor 2 Low Reference
    34 Blue-White 0.5 Z19DTL/Z19DT engines Exhaust Gas Temperature Sensor (1)
    34 Blue-White 0.5 Engine Z19DTH Exhaust Gas Temperature Sensor (1)
    35 Brown 0.5 Z19DTL/Z19DT engines Exhaust Gas Temperature Sensor 1 Low Reference
    35 Brown 0.5 Engine Z19DTH Exhaust Gas Temperature Sensor 1 Low Reference
    36 Blue 0.5 Z19DTL/Z19DT engines Exhaust Pressure Sensor Signal (1)
    36 Blue 0.5 Engine Z19DTH Exhaust Pressure Sensor Signal (1)
    37 Brown-White 0.5 Z19DTL/Z19DT engines Exhaust Pressure Sensor Low Reference (1)
    37 Brown-White 0.5 Engine Z19DTH Exhaust Pressure Sensor Low Reference (1)
    44 Gray 0.5 Z19DTL/Z19DT engines Exhaust Pressure Sensor 5 Volt Reference (1)
    44 Gray 0.5 Engine Z19DTH Exhaust Pressure Sensor 5 Volt Reference (1)
    45 Black-Red 0.5 Z19DTL/Z19DT engines Accelerator Pedal Position 5 Volt Reference (1)
    45 Black-Red 0.5 Engine Z19DTH Accelerator Pedal Position 5 Volt Reference (1)
    46 Black-Yellow 0.5 Z19DTL/Z19DT engines Accelerator Pedal Position 5 Volt Reference (2)
    46 Black-Yellow 0.5 Engine Z19DTH Accelerator Pedal Position 5 Volt Reference (2)
    51 Brown-Green 0.75 Z19DTL/Z19DT engines Heated Oxygen Sensor Heater High Control Bank 1 Sensor (3)
    51 Brown-Green 0.75 Engine Z19DTH Heated Oxygen Sensor Heater High Control Bank 1 Sensor (3)
    52 Blue 0.5 Z19DTL/Z19DT engines Glow Plug Controller Diagnostic Signal
    52 Blue 0.5 Engine Z19DTH Glow Plug Controller Diagnostic Signal
    64 Yellow-Red 0.5 Z19DTL/Z19DT engines Heated Oxygen Sensor Collector Signal
    64 Yellow-Red 0.5 Engine Z19DTH Heated Oxygen Sensor Collector Signal
    65 Brown-White 0.5 Z19DTL/Z19DT engines Heated Oxygen Sensor Current Pump Signal
    65 Brown-White 0.5 Engine Z19DTH Heated Oxygen Sensor Current Pump Signal
    68 Blue-Green 0.5 Z19DTL/Z19DT engines Heater Fuel Control
    68 Blue-Green 0.5 Engine Z19DTH Heater Fuel Control
    69 Brown-Yellow 0.75 Z19DTL/Z19DT engines Cooling Fan Relay Coil Control
    69 Brown-Yellow 0.75 Engine Z19DTH Cooling Fan Relay Coil Control
    70 Black-Red 0.75 Z19DTL/Z19DT engines Starter Relay Coil Control
    70 Black-Red 0.75 Engine Z19DTH Starter Relay Coil Control
    72 Brown-White 0.5 Z19DTL/Z19DT engines Engine Main Relay Coil Control
    72 Brown-White 0.5 Engine Z19DTH Engine Main Relay Coil Control
    74 Blue-Yellow 0.5 Z19DTL/Z19DT engines Water In Fuel Sensor Signal
    74 Blue-Yellow 0.5 Engine Z19DTH Water In Fuel Sensor Signal
    75 Blue-Red 0.5 Z19DTL/Z19DT engines Generator Field Duty Cycle Signal
    75 Blue-Red 0.5 Engine Z19DTH Generator Field Duty Cycle Signal
    79 Gray 0.5 Z19DTL/Z19DT engines Cruise Control Clutch Pedal Position Switch Signal
    79 Gray 0.5 Engine Z19DTH Cruise Control Clutch Pedal Position Switch Signal
    80 Black-Brown 0.5 Z19DTL/Z19DT engines ABS Brake Switch Signal
    80 Black-Brown 0.5 Engine Z19DTH ABS Brake Switch Signal
    83 Green 0.5 Z19DTL/Z19DT engines High Speed GMLAN Serial Data (-) (1)
    83 Green 0.5 Engine Z19DTH High Speed GMLAN Serial Data (-) (1)
    84 Blue 0.5 Z19DTL/Z19DT engines High Speed GMLAN Serial Data (+) (1)
    84 Blue 0.5 Engine Z19DTH High Speed GMLAN Serial Data (+) (1)
    86 Brown 0.5 Z19DTL/Z19DT engines Heated Oxygen Sensor Common
    86 Brown 0.5 Engine Z19DTH Heated Oxygen Sensor Common
    87 Green 0.5 Z19DTL/Z19DT engines Heated Oxygen Sensor Current Adjust Signal
    87 Green 0.5 Engine Z19DTH Heated Oxygen Sensor Current Adjust Signal
    90 Brown-Red 0.75 Z19DTL/Z19DT engines Cooling Fan Relay Coil Control
    90 Brown-Red 0.75 Engine Z19DTH Cooling Fan Relay Coil Control
    93 Brown-Gray 0.5 Z19DTL/Z19DT engines Glow Plug Control
    93 Brown-Gray 0.5 Engine Z19DTH Glow Plug Control
    94 White-Black 0.75 Z19DTL/Z19DT engines Cooling Fan Relay Coil Control
    94 White-Black 0.75 Engine Z19DTH Cooling Fan Relay Coil Control

    Click image for larger version.  Name: EDC16c39 - 1.jpg  Views: 244  Size: 52.0 KB  ID: 304
    Click image for larger version.  Name: EDC16c39 - 1.jpg  Views: 244  Size: 52.0 KB  ID: 304
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    • Diagnostics.org.uk #2
      Click image for larger version.  Name: EDC16c39 - 2.jpg  Views: 243  Size: 51.6 KB  ID: 305


      Pin assignment
      Pin Color Wire size Option Function
      1 Brown-White 1.5 Fuel Injector Control (3)
      2 Gray-Red 1.5 Fuel Injector Control (2)
      6 Yellow-Blue 0.5 -
      8 Black-Violet 0.5 Fuel Rail Pressure Sensor (5) Volt Reference
      11 White 0.5 Camshaft Position Sensor Low Reference
      12 White-Yellow 0.5 Crankshaft Sensor Low Reference (1)
      13 White-Orange 0.5 Turbo Boost Pressure Sensor 5 Volt Reference
      15 Green-Black 0.75 Waste Gate Solenoid Control
      16 Blue-Red 1.5 Fuel Injector Control (1)
      17 Red-Yellow 1.5 Fuel Injector Control (4)
      19 Yellow-Black 0.75 Electronic Control Unit 12 Volt Reference (1)
      20 Violet-Yellow 0.5 Camshaft Position Sensor 5V Control
      21 Brown-Green 0.75 Oil Level Switch Signal
      23 Brown-Violet 0.5 Turbo Boost Pressure Sensor Low Reference
      27 Gray-Black 0.5 Crankshaft Sensor Signal (1)
      28 Red-Green 0.5 Fuel Rail Pressure Sensor Low Reference
      31 Gray-Black 1.5 Fuel Pump Control
      33 Red-Black 1.5 Fuel Pump Control
      35 Violet-White 0.5 -
      37 White-Blue 0.5 Mass Air Flow Sensor Low Reference
      39 White-Black 0.5 Throttle Position Sensor Low Reference
      40 White-Red 0.5 Turbo Boost Pressure Sensor Signal
      41 Gray-Green 0.5 Engine Coolant Temperature Sensor Signal
      42 Light Blue-Green 0.5 Mass Air Flow Sensor Signal
      43 Yellow 0.5 Fuel Rail Pressure Sensor Signal
      44 Yellow-Gray 0.5 Intake Air Temperature Sensor Signal
      45 Green-Gray 0.75 -
      46 Brown-Black 1.5 Fuel Pump Control
      47 Blue-Black 1.5 Fuel Pump Control
      49 Orange-Black 0.75 High Pressure Fuel Pump Actuator Low - Control
      50 Gray-White 0.5 Camshaft Position Sensor Signal
      52 Orange 0.5 Throttle Position Sensor Signal (1)
      53 White-Green 0.5 Turbo Boost Pressure Sensor Temperature Signal
      56 Gray-Blue 0.5 Oil Pressure Switch Signal
      58 Blue-Red 0.5 Signal Ground
      59 Yellow-Red 0.75 Electronic Throttle Control Actuator Signal
      60 Orange-Green 0.75 Exhaust Gas Recirculation Vent Solenoid Control
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