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ECU Pinout with Voltages! http://www.4g61t.org/forum/viewtopic.php?f=2&t=15435 |
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Author: | socrateez [ Sat Oct 08, 2005 12:06 pm ] |
Post subject: | ECU Pinout with Voltages! |
MITSUBISHI GALANT HG & HH (2.0L DOHC Engine) 1989 - 92 Engine Management System ECM The ECM is located behind the Left Hand Kick Panel. ECM Voltage Table Connector '1 to 24' Pin # Circuit and Status.......................................... Voltage 1 Diagnostic Connector Fault Code Output - Terminal 1 Diagnostic Connector Grounded........................ Low Volts 2 Diagnostic Connector Idle Speed Disable - Terminal 10 Diagnostic Connector Grounded........................ Low Volts 4 Oxygen Sensor Signal Engine Warm Engine Running at 2000 RPM........................... 0.2 to 0.8 Volts Normal Signal around 0.5 Volts Normally fluctuates 7 to 8 times in 10 Seconds 5 Power Steering Switch Ignition ON Steering Wheel at Rest.................................... Battery Volts Steering Wheel turned from Rest Position.......... Low Volts 6 Idle Switch SOHC Ignition ON Throttle at Rest Position................................... Low Volts Throttle Open.................................................. 5 Volts 7 Air Conditioner ON Request Signal Signal meets ON Specifications........................ Low Volts Signal does not meet ON Specifications............ 0 Volts 8 Air Mass Meter Air Charge Temperature Sensor Output Ignition ON Air Temperature @ 20° C. Engine Running............................................... 4 to 5 Volts Voltage Output Decreases with Increase in Temperature 10 Air Mass Meter - Air Flow Sensor Signal Ignition ON...................................................... 5 Volts Engine Running at Idle..................................... Digital Signal (30 to 46 Hz) Engine Running at 2000 RPM........................... Digital Signal (62 to 82 Hz) 12 Spark Advance Disable Connector Connector NOT Grounded................................. 5 Volts Connector Grounded........................................ Low Volts 13 Fuel Pump Supply Volts Monitor Fuel Pump running........................................... Low Volts 14 Idle Switch Ignition ON Throttle at Rest Position................................... Low Volts Throttle Open.................................................. Battery Volts 16 Air Mass Meter Barometric Air Pressure (BAP) Sensor Output Ignition ON BAP of 103 kPa Approx. (Sea Level)................. 4 Volts Approx. 17 Sensor Ground Ignition ON / OFF............................................ 0 Volts 18 Vehicle Speed Sensor Ignition ON...................................................... Low or 5 Volts Engine Running............................................... Digital Signal 5 Volts Square Wave Oscilloscope pattern 19 Throttle Position Sensor Output Signal Ignition ON Throttle at Rest................................................ 0.48 to 0.52 Volts Throttle Fully Open.......................................... 4.8 to 5.2 Volts 20 Engine Coolant Temperature Sensor Ignition ON Engine Cold.................................................... 2 to 3 Volts Engine Warm.................................................. Approx. 1 Volts 21 Crank Angle Sensor Ignition ON...................................................... 5 Volts Engine Running............................................... Digital Signal 5 Volts Square Wave Oscilloscope pattern 22 # 1 Cylinder TDC Sensor Ignition ON...................................................... 5 Volts Engine Running............................................... Digital Signal 5 Volts Square Wave Oscilloscope pattern 23 ECM 5 Volts Output Ignition ON...................................................... 5 Volts 24 Sensor Ground Ignition ON / OFF............................................ 0 Volts Connector '51 to 68' Pin # Circuit and Status.......................................... Voltage 51 Injector Ground Ignition ON..................................................... Battery Volts 52 Injector Ground Ignition ON..................................................... Battery Volts 54 Coil Switching Power Transistor Engine Cranking or running............................... Digital Signal 55 Coil Switching Power Transistor Engine cranking or running............................... Digital Signal 56 Control Relay Ground Control Relay Energised................................... Low Volts 58 Idle Speed Control Motor Ignition ON...................................................... Battery Volts Engine Running............................................... Low Volts Pulses 59 Idle Speed Control Motor Ignition ON...................................................... Battery Volts Engine Running............................................... Low Volts Pulses 60 Injector Ground Ignition ON...................................................... Battery Volts 61 Injector Ground Ignition ON...................................................... Battery Volts 63 Control Relay Ground Control Relay Energised................................... Low Volts 64 Engine Checklight Ground Engine Running Checklight OFF............................................... Battery Volts 65 Air Conditioner Relay Coil Ground Relay Energised.............................................. Low Volts 66 Control Relay Ground Control Relay Energised................................... Low Volts 67 Idle Speed Control Motor Ignition ON...................................................... Battery Volts Engine Running............................................... Low Volts Pulses 68 Idle Speed Control Motor Ignition ON...................................................... Battery Volts Engine Running............................................... Low Volts Pulses Connector '101 to 110' Pin # Circuit and Status.......................................... Voltage 101 ECM Ground Ignition ON / OFF............................................ 0 Volts 102 ECM Supply Volts Control Relay Energised................................... Battery Volts 103 ECM Supply Volts Permanent RAM supply Ignition ON / OFF............................................ Battery Volts 104 ECM Ground Manual Transmission Ignition ON / OFF............................................ 0 Volts 104 Start Signal Automatic Transmission Engine Cranking.............................................. Battery Volts 105 Oxygen Sensor Heater Ground Heater ON...................................................... Low Volts Heater OFF..................................................... Battery Volts 106 ECM Ground Ignition ON / OFF............................................ 0 Volts 107 Supply Volts for ECM / Sensors Control Relay Energised................................... Battery Volts 108 Start Signal Manual Transmission Engine Cranking.............................................. Battery Volts 108 Neutral / Drive Switch Automatic Transmission Ignition ON Park or Neutral Selected.................................. Low Volts Any Other Gear Selected................................. Battery Volts 109 Coil Switching Power Transistor Engine Running............................................... Digital Signal 110 ECM Supply Volts Ignition ON...................................................... Battery Volts |
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