ECD SYSTEM DATA LIST / ACTIVE TEST


  1. READ DATA LIST

    Tech Tips

    Using the intelligent tester's Data List allows switch, sensor, actuator, and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.


    1. Warm up the engine.

    2. Turn the ignition switch off.

    3. Connect the intelligent tester to the DLC3.

    4. Turn the ignition switch to the ON position.

    5. Turn the tester on.

    6. Enter the following menu items: Powertrain / Engine and ECT / Data List.

    7. Read the Data List.

      Tester Display Measurement Item/Range Normal Condition Diagnostic Notes
      Calculate Load

      Calculated load by ECM/

      Min.: 0%, Max.: 100%

      Idling: 10 to 25%

      Running without load (2500 rpm): 7.5 to 14.5%

      		 -
      MAF

      Air flow rate from Mass Air Flow (MAF) sensor/

      Min.: 0 g/sec, Max.: 655.35 g/sec

      Idling: 5.0 to 20.0 g/sec

      Running without load (1500 to 1800 rpm): 20 g/sec or more

      0 g/sec: Mass air flow sensor power source circuit is open or VG circuit is open/shorted

      160 g/sec or more: E2G circuit is open
      MAP

      Absolute pressure inside intake manifold/

      Min.: 0 kPa, Max.: 255 kPa

      • Idling: 40 kPa or less

      • Engine running at 3000 rpm: 100 kPa or more

      		 -
      Engine Speed

      Engine speed/

      Min.: 0 rpm, Max.: 16383.75 rpm

      		 Idling: 600 to 700 rpm After warming-up engine
      Vehicle Speed

      Vehicle speed/

      Min.: 0 km/h, Max.: 255 km/h

      		 Actual vehicle speed Speed indicated on speedometer
      Coolant Temp

      Engine coolant temperature/

      Min.: -40°C, Max.: 140°C

      		 After warming up engine: 80 to 100°C (176 to 212°F) If value is -40°C (-40°F) or 140°C (284°F), sensor circuit open or shorted
      Intake Air

      Intake air temperature/

      Min.: -40°C, Max.: 140°C

      		 Equivalent to temperature at intake manifold If value is -40°C (-40°F) or 140°C (284°F), sensor circuit open or shorted
      Fuel Press

      Fuel pressure/

      Min.: 0 kPa, Max.: 655350 kPa

      		 Idling: 25000 to 35000 kPa -
      Target EGR Position

      Target EGR position/

      Min.: 0%, Max.: 100%

      		 Idling: 35 to 65% -
      Accelerator Position No. 1

      Accelerator position No. 1/

      Min.: 0%, Max.: 100%

      • Accelerator pedal released: 12 to 20%

      • Accelerator pedal depressed: 56 to 72%

      		 -
      Accelerator Position No. 2

      Accelerator position No. 2/

      Min.: 0%, Max.: 100%

      • Accelerator pedal released: 28 to 36%

      • Accelerator pedal depressed: 72 to 88%

      		 -
      Throttle Motor DUTY

      Throttle actuator output /

      Min.: 0%, Max.: 100%

      		 Idling after warming up engine: 30 to 100% -
      Accel Sensor Position

      Accel sensor position (for power take off)/

      Max.: 100%, Min.: 0%

      		 When power take off operating: 27 to 100 % -
      Accel Sensor Voltage

      Accel sensor voltage (for power take off)/

      Max.: 5 V, Min.: 0 V

      		 When power take off operating: 0.6 to 3.7 V -
      Initial Engine Coolant Temp

      Initial engine coolant temperature/

      Min.: -40°C, Max.: 120°C

      		 ECT when engine starts -
      Initial Intake Air Temp

      Initial intake air temperature/

      Min.: -40°C, Max.: 120°C

      		 IAT when engine starts -
      Exhaust Temp (In)

      Exhaust temperature sensor for IN/

      Min.: 0°C, Max.: 1000°C

      Idling: 50 to 150°C

      Idling after driving: 80 to 400°C

      		 -
      Exhaust Temp (Out)

      Exhaust temperature sensor for OUT/

      Min.: 0°C, Max.: 1000°C

      Idling: 50 to 150°C

      Idling after driving: 80 to 400°C

      		 -
      Intake Air Temp (Turbo)

      Intake air temperature (Turbo)/

      Min.: -40°C to 140°C

      		 65°C or less -
      DPF Differential Pressure

      DPF differential pressure/

      Min.: -5 kPa, Max.: 100 kPa

      		 -3 kPa to 3 kPa -
      EGR Lift Sensor Output

      EGR lift position/

      Max.: 100%, Min.:0%

      		 Idling 70 to 90% -
      EGR Close Lrn. Val.

      EGR close learning value/

      Min.: 0 V, Max.: 5 V

      		 3.5 to 4.5 V -
      Throttle Close learning Val.

      Throttle valve fully closed/

      Min.: 0 deg, Max.: 84 deg

      		 - -
      Target Common Rail Pressure

      Target common rail pressure/

      Min.: 0 kPa, Max.: 655350 kPa

      		 Idling: 35 to 45 MPa -
      VNT Type

      VN turbo type/

      0: Not AVI, 1: Commo, 2: Vacuum, 3: CAN Commo

      		 3: CAN Commo -
      VNT Max angle

      VN turbo maximum angle /

      Min.: 0%, Max.: 100%

      		 100% -
      VNT Min angle

      VN turbo minimum angle /

      Min.: 0%, Max.: 100%

      		 7.5% -
      Injection Pressure Correction

      Injection pressure correction/

      Min.: -500 mm3/st, Max.: 780 mm3/st

      -400 to 400 mm3/st

      		 -
      Diff. Press. Sensor Corr.

      Differential pressure correction/

      Min.: -10 kPa, , Max.: 246 kPa

      		 Idling: -1.5 to 1.5 kPa -
      DPF Status Reju (PM)

      Result of DPF catalyst regeneration (PM)/

      $00: Stand by, $01: Ready, $02: Operate, $03: Compl

      		 OFF -
      EGR Close Learn. Val. EGR valve leaning value / Min.: 0 V, Max.: 5 V 0.15 to 0.45 V -
      Accel Position 1

      Accelerator pedal position sensor No. 1 voltage/

      Min.: 0 V, Max.: 5 V

      • Accelerator pedal released:

        0.6 to 1.0 V

      • Accelerator pedal depressed:

        2.8 to 3.6 V

      Read value with ignition switch in the ON position

      (do not start engine)
      Accel Position 2

      Accelerator pedal position sensor No. 2 voltage/

      Min.: 0 V, Max.: 5 V

      • Accelerator pedal released:

        1.4 to 1.8 V

      • Accelerator pedal depressed:

        3.6 to 4.4 V

      Read value with ignition switch in the ON position

      (do not start engine)
      Accel Position Accelerator position status/Min.: 0%, Max.: 100%

      • Accelerator pedal released: 0%

      • Accelerator pedal depressed: 68 to 99.6%

      		 Read value with ignition switch in the ON position (do not start engine)
      Fuel Temperature

      Fuel temperature/

      Min.: -40°C, Max.: 140°C

      		 Actual fuel temperature -
      Actual Throttle position

      Diesel throttle angle/

      Min.: -20%, Max.: 120%

      		 Idling after warmed-up engine: 81 to 95%
      VNT Command

      VN turbo command/

      Min.: 0%, Max.: 100%

      		 - -
      Target Pump SCV Current

      Pump open current value/

      Min.: 0 mA, Max.: 4000 mA

      		 Idling: 900 to 1100 mA ECD freeze frame data
      INJ. FB Vol. to Idle

      Idle stable control/

      Min.: -80 mm3/st, Max.: 79mm3/st

      -10 to 10 mm3/st

      		 ECD freeze frame data
      Pilot 1 Injection Period

      Pilot 1 Injection period/

      Min.: 0 μs, Max.: 65535 μs

      		 Idling after warming up engine: 0 μs -
      Pilot 2 Injection Period

      Pilot 2 Injection period/

      Min.: 0 μs, Max.: 65535 μs

      		 Idling: 500 to 600 μs -
      Main Injection Period

      Main Injection period/

      Min.: 0 μs, Max.: 65535 μs

      		 Idling: 650 to 800 μs -
      After Injection Period

      After Injection period/

      Min.: 0 μs, Max.: 65535 μs

      		 - -
      Pilot 1 Injection Timing

      Pilot 1 Injection timing/

      Min.: -70°CA, Max.: 20°CA

      		 - -
      Pilot 2 Injection Timing

      Pilot 2 Injection timing/

      Min.: -50°CA, Max.: 20°CA

      		 Idling: -8 to -6°CA -
      Main Injection Timing

      Main Injection timing/

      Min.: -90°CA, Max.: 90°CA

      		 Idling: -1 to 1°CA -
      After Injection Timing

      After Injection timing/

      Min.: -10°CA, Max.: 50°CA

      		 - -
      Inj Vol Feedback Learning

      Injection volume feedback learning value/

      Min.: -10 mm3, Max.: 9.92 mm3

      Idling: -0.4 to 1.0 mm3

      		-
      Injection Feedback Val #1

      Injection volume correction for cylinder 1/

      Min.: -10 mm3, Max.: 10 mm3

      Idling: -2.0 to 2.0 mm3

      		-
      Injection Feedback Val #2

      Injection volume correction for cylinder 2/

      Min.: -10 mm3, Max.: 10 mm3

      Idling: -2.0 to 2.0 mm3

      		-
      Injection Feedback Val #3

      Injection volume correction for cylinder 3/

      Min.: -10 mm3, Max.: 10 mm3

      Idling: -2.0 to 2.0 mm3

      		-
      Injection Feedback Val #4

      Injection volume correction for cylinder 4/

      Min.: -10 mm3, Max.: 10 mm3

      Idling: -2.0 to 2.0 mm3

      		-
      Injection Volume

      Injection volume/

      Min.: 0 mm3/st, Max.: 1279.98 mm3/st

      Idling: 5.0 to 15.0 mm3

      		-
      DPF PM Block

      DPF PM Block/

      0: No blocked, 1: Blocked

      		 No blocked -
      Target Engine Speed Target engine speed/Max.: 5000 rpm, Min.: 0 rpm Idling: 600 to 700 rpm -
      Target Common Rail Press Target common rail pressure/Max.: 256 MPa, Min.: 0 MPa Idling: 30 to 32 MPa -
      Catalyst Warm Up Malfunction Catalyst warm up malfunction/ON or OFF OFF -
      Manual Catalyst Regeneration Manual catalyst regeneration status/ON or OFF OFF -
      Pump Mode Supply pump control model/PCV, DUTY, IG OFF, STOP or Undef - -
      Catalyst Malfunction Catalyst malfunction (differential pressure detection)/ON or OFF OFF -
      Clogged Catalyst Clogged catalyst (differential pressure detection)/ON or OFF OFF -
      Heat Catalyst Catalyst temperature malfunction/ON or OFF OFF -
      DPF Catalyst Deteriorate DPF catalyst deteriorate/0: OFF, 1: ON OFF -
      Exhaust Fuel Addition Exhaust fuel addition malfunction/0: OFF, 1: ON OFF
      DPF Mode DPF model/Undef, Normal, N/EGR, Warm, Warm/Idl, PM, PM/Idl Normal -
      Injection Pump Learning Status Injection pump learning status/Incompl or Compl Compl -
      VNT Valve Position Turbocharger opening value/Min.: 0% Max.: 100% - -
      PCV Open Duty SCV open duty/Max.: 100%, Min.: 0% 45 to 55% -
      PCV Open Current FB Val PCV open current feedback volume/Max.: 6000 mA, Min.: -6000 mA -400 to 400 mA -
      Diesel Throttle Learn Status

      Diesel throttle learning status/

      0: NG, 1: OK

      		 OK -
      EGR Close Lrn. Status

      EGR learning status/

      OK or NG

      		 OK -
      Intake Water History Intake the water in history/ON or OFF OFF -
      Engine Overspeed History Engine overspeed history/ ON or OFF OFF -
      Starter Signal

      Starter signal/

      ON or OFF

      		 ON: Cranking -
      A/C Signal

      A/C signal/

      ON or OFF

      		 ON: A/C ON -
      Stop Light Switch

      Stop light switch/

      ON or OFF

      • ON: Brake pedal depressed

      • OFF: Brake pedal released

      		 -
      Catalyst Regeneration Switch Catalyst regeneration switch status/ON or OFF ON: Catalyst regeneration switch ON -
      Exhaust Brake Switch Exhaust brake switch status/ON or OFF ON: Exhaust brake operated -
      PTO Switch PTO switch status/ON or OFF ON: PTO switch ON -
      Clutch Switch Clutch switch status/ON or OFF ON: Clutch switch ON -
      Engine Warm Up Switch Engine warm up switch status/ON or OFF ON: Engine warm up switch ON -
      Battery Voltage

      Battery voltage/

      Min.: 0 V Max.: 65.535 V

      		 Idling: 11 to 14 V -
      Atmosphere Pressure

      Atmospheric pressure value/

      Min.: 0 kPa (0 mmHg, 0 in.Hg), Max.: 255 kPa (1912.6 mmHg, 75.3 in.Hg)

      		 Actual atmospheric pressure -
      ACT VSV ACT VSV status/ON or OFF - -
      TC and TE1

      TC and TE1 terminal of DLC3

      ON or OFF

      		 - -
      #Codes

      #Code/

      Min.: 0, Max.: 255

      		 - Number of detected DTCs
      Check Mode

      Check mode/

      ON or OFF

      		 ON: Check mode ON

      Click here

      SPD Test SPD test/0: COMPL, 1: INCMPL 0: COMPL -
      MIL MIL status/ON or OFF ON: MIL ON -
      MIL ON Run Distance

      MIL ON Run Distance/

      Min.: 0 km, Max.: 65535 km

      		 Distance after DTC detected -
      Running Time from MIL ON

      Running Time from MIL ON/

      Min.: 0 minute, Max.: 65535 minutes

      		 Equivalent running time after MIL was ON -
      Engine Run Time

      Engine run time/

      Min.: 0 second Max.: 65535 seconds

      		 Time after engine started Service data
      Time After DTC Cleared

      Time after DTC cleared/

      Min.: 0 minute Max.: 65535 minutes

      		 Equivalent to time after DTCs were erased -
      Distance from DTC Cleared

      Distance after DTC cleared/

      Min.: 0 km, Max.: 65535 km

      		 Equivalent to drive distance after DTCs were erased -
      Warmup Cycle Cleared DTC

      Warm up cycle after DTC cleared/

      Min.: 0 Max.: 255

      		 - Number of warm up cycles after DTC cleared
      OBD Requirements Identifying OBD requirement EURO 4 -
      Number of Emission DTC (Number of emission DTC) - -
      EGR Monitor EGR monitor/0: NOT AVL, 1: AVAIL - EGR monitor
      Model Code Model code - Identifying model code: XZU40
      Engine Type Engine type - Identifying engine type: N04CTW
      Cylinder Number Identifying cylinder number/Min.: 0, Max.: 255 - Identifying cylinder number: 4
      Transmission Type Transmission type - Identifying transmission type: MT
      Destination Destination - Identifying destination: W
      Model Year Identifying model year/ Min.: 1900, Max.: 2155 - Identifying model year: 200#
      System Identification Identifying engine system - Identifying engine system: Diesel

      Tech Tips

      Normal Condition: If no idling conditions are specified, the shift lever is in the neutral position, and the A/C switch and all accessory switches are off.

  2. PERFORM ACTIVE TEST

    Tech Tips

    Performing Active Test using the intelligent tester allows relays, VSVs, actuators and other items to be operated without removing any parts. Performing the Active Test early in troubleshooting is one way to save time. The Data List can be displayed during the Active Test.


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to the ON position.

    3. Turn the tester on.

    4. Enter the following menu items: Powertrain / Engine and ECT / Active Test.

    5. Perform the Active Test.

      Tester Display Test Part Control Range Diagnostic Notes
      Control the A/C Cut Signal Control the A/C cut signal ON/OFF -
      Connect the TC and TE1 Turn on TC and TE1 connection ON/OFF -
      Control the EGR Step Motor Control the EGR step motor 0 to 100% -
      Activate the DPF Rejuvenate (PM) DPF catalyst regeneration (PM) raises temperature of DPF to more than 600°C (1112°F) by adding fuel intermittently. ON/OFF -
      Test the Turbo Charger Step Motor Control the turbocharger motor 0 to 100% -
      Test the Fuel Leak Pressurize common rail internal fuel pressure, and checks for fuel leaks Stop/Start

      • Fuel pressure inside common rail pressurized to specified value and engine speed increased to 2000 rpm when ON is selected

      • Above conditions preserved while test is ON
      Activate the VSV for Exhaust Brake Activate the VSV for exhaust brake ON/OFF -