ECD SYSTEM DATA LIST / ACTIVE TEST


  1. READ DATA LIST

    Tech Tips

    Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic 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. Replace the normal DLC3 cable (12 V specification) for the intelligent tester with the 24 V DLC3 cable.

      Note

      Be sure to use the 24 V DLC3 cable when connecting the intelligent tester to the DLC3. Using the normal DLC3 cable (12 V specification) will cause damage to the tester.

    4. Connect the intelligent tester to the DLC3.

    5. Turn the ignition switch to ON.

    6. Turn the tester on.

    7. Enter the following menus: Powertrain / Engine and ECT / Data List.

    8. Read the Data List.

      Tester Display Measurement Item/Range Normal Condition Diagnostic Notes
      Vehicle Speed

      Vehicle speed:

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

      		 Actual vehicle speed Speed indicated on speedometer
      Target Idle Engine Speed

      Target idle engine speed:

      Min.: 0 rpm, Max.: 10000 rpm

      		 Idling: 600 to 700 rpm Target idling speed (ECM calculated value)
      Engine Speed

      Engine speed:

      Min.: 0 rpm, Max.: 16383 rpm

      		 Idling: 600 to 700 rpm After warming-up engine
      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 meter sub-assembly:

      Min.: 0 gm/s, Max.: 655.35 gm/s

      Idling: 5.0 to 20.0 gm/s

      Running without load (3000 rpm): 70 to 90 gm/s

      0 gm/s: Mass air flow meter sub-assembly power source circuit is open or VG circuit is open/shorted

      160 gm/s or more: EVG circuit is open
      Atmosphere Pressure

      Atmospheric pressure value:

      Min.: 0 kPa (0 mmHg, 0 in.Hg), Max.: 255 kPa (1912 mmHg, 75 in.Hg)

      		 Actual atmospheric pressure -
      MAP

      Absolute pressure after charge air cooler:

      Min.: 0 kPa, Max.: 255 kPa

      • Idling: 90 to 100 kPa or less

      • Engine running at 3000 rpm: 110 to 140 kPa or more

      		 If value is 0 kPa or 255 kPa, sensor circuit open or shorted
      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
      Intake Air Temp (Turbo)

      Intake air temperature (Turbo):

      Min.: -40°C, Max.: 190°C

      		 65°C (149°F) or less If value is -40°C (-40°F) or 190°C (374°F), sensor circuit open or shorted
      Engine Run Time

      Engine run time:

      Min.: 0 s, Max.: 65535 s

      		 Time after engine started Service data
      Initial Engine Coolant Temp

      Initial engine coolant temperature:

      Min.: -40°C, Max.: 120°C

      		 Engine coolant temperature when engine starts -
      Initial Intake Air Temp

      Initial intake air temperature:

      Min.: -40°C, Max.: 120°C

      		 Intake air temperature when engine starts -
      Battery Voltage

      Battery voltage:

      Min.: 0 V, Max.: 65.5 V

      		 Idling: 20 to 29 V -
      Pre Glow

      Pre glow status:

      ON or OFF

      		 - This is the ECM command.
      After Glow

      After glow status:

      ON or OFF

      		 - This is the ECM command.
      Accel Position

      Accelerator position status:

      Min.: 0%, Max.: 99.6%

      		 Accelerator pedal released: 0% Accelerator pedal position calculated by ECM and used for engine control
      Accel Sens. No. 1 Volt %

      Accelerator position No. 1:

      Min.: 0%, Max.: 100%

      • Accelerator pedal released: 12 to 20%

      • Accelerator pedal depressed: 60 to 78%

      		 Output value of accelerator pedal position sensor is displayed
      Accel Sens. No. 2 Volt %

      Accelerator position No. 2:

      Min.: 0%, Max.: 100%

      • Accelerator pedal released: 28 to 36%

      • Accelerator pedal depressed: 72 to 92%

      		 Output value of accelerator pedal position sensor is displayed
      Accel Sensor Out No. 1

      Accelerator position No. 1 voltage:

      Min.: 0 V, Max.: 5 V

      0.6 to 1.0 V: Accelerator pedal released

      2.8 to 3.6 V: Accelerator pedal fully depressed

      		 Read value with ignition switch turned to ON (Do not start engine)
      Accel Sensor Out No. 2

      Accelerator position No. 2 voltage:

      Min.: 0 V, Max.: 5 V

      1.4 to 1.8 V: Accelerator pedal released

      3.6 to 4.4 V: Read value with ignition switch turned to ON (Do not start engine) Accelerator pedal fully depressed

      		 Read value with ignition switch to ON (Do not start engine)
      Target Throttle Position

      Target throttle position:

      Min.: -128%, Max.: 127%

      • Throttle valve fully opened: 0%

      • Throttle valve fully closed: 100%

      		 -
      Actual Throttle position

      Diesel throttle angle:

      Min.: -128%, Max.: 127%

      		 Idling after warmed-up engine: 81 to 95% -
      Throttle Close learning Val.

      Throttle valve fully closed:

      Min.: 0 deg, Max.: 84 deg

      		 - -
      Diesel Throttle Learn Status

      Diesel throttle learning status:

      OK or NG

      		 OK -
      Throttle Sensor Volt %

      Absolute throttle position sensor:

      Min.: 0%, Max.: 100%

      		 Ignition switch ON: 60 to 80% -
      Throttle Motor DUTY

      Throttle actuator output:

      Min.: 0%, Max.: 100%

      		 Idling after warming up engine: 30 to 100% -
      Injection Volume

      Injection volume:

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

      Idling: 5.0 to 16.0 mm3/st

      		 -
      Inj. FB Vol. for Idle

      Idle stable control:

      Min.: -80 mm3/st, Max.: 79.99 mm3/st

      -10 to 10 mm3/st

      		 -
      Inj Vol Feedback Learning

      Injection volume feedback learning value:

      Min.: -10 mm3/st, Max.: 9.9 mm3/st

      		 - -
      Injection Feedback Val #1

      Injection volume correction for cylinder 1:

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

      Idling: -7.0 to 7.0 mm3/st

      		 -
      Injection Feedback Val #2

      Injection volume correction for cylinder 2:

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

      Idling: -7.0 to 7.0 mm3/st

      		 -
      Injection Feedback Val #3

      Injection volume correction for cylinder 3:

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

      Idling: -7.0 to 7.0 mm3/st

      		 -
      Injection Feedback Val #4

      Injection volume correction for cylinder 4:

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

      Idling: -7.0 to 7.0 mm3/st

      		 -
      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

      		 - -
      Injector Memory Error

      Injector memory error:

      No Error or Error

      		 No Error If the injector compensation codes are not input into the new ECM, or if an injector compensation code of a different injector model or a compensation code representing a value which exceeds the compensation setting range is input into the new ECM, DTC P062F is stored and "Injector Memory Error" displays "Error".
      Injection Pressure Correction

      Injection pressure correction:

      Min.: -500 mm3/st, Max.: 779.9 mm3/st

      -400 to 400 mm3/st

      		 -
      Target Common Rail Pressure

      Target common rail pressure:

      Min.: 0 kPa, Max.: 655350 kPa

      		 Idling: 25000 to 35000 kPa -
      Fuel Press

      Fuel pressure:

      Min.: 0 kPa, Max.: 655350 kPa

      		 Idling: 25000 to 35000 kPa -
      Common Rail Pres Sens 2

      Fuel pressure:

      Min.: 0 kPa, Max.: 250000 kPa

      		 Idling: 25000 to 35000 kPa This is a backup output value from the fuel pressure sensor.
      Fuel Temperature

      Fuel temperature:

      Min.: -40°C, Max.: 215°C

      		 Actual fuel temperature -
      Fuel Return Temp

      Fuel return temperature:

      Min.: -40°C, Max.: 215°C

      		 Idling after engine warmed up: 35 to 85°C (95 to 185°F) Value calculated by ECM is displayed
      Target Pump SCV Current

      Pump open current value:

      Min.: 0 mA, Max.: 8191.8 mA

      		 Idling: 800 to 1400 mA ECD freeze frame data
      Pump SCV Learning Value

      Pump SCV learning value:

      Min.: -4096 mA, Max.: 4095.8 mA

      Min.: -400 mA

      Max.: 400 mA

      		 -
      Target EGR Position

      Target EGR position:

      Min.: 0%, Max.: 100%

      		 Idling: 35 to 65% -
      EGR Initial Step Position

      EGR initial step position:

      Min.: 0 step, Max.: 255 step

      		 Idling after engine warmed up: 25 step The value when fully closed which is detected by the EGR valve assembly is displayed.
      Actual EGR Valve Pos.

      EGR valve position:

      Min.: 0%, Max.: 100%

      		 Idling after engine warmed up: 40 to 70% -
      EGR Close Lrn. Status

      EGR learning status:

      OK or NG

      		 OK -
      EGR Operation Prohibit

      EGR operation prohibition/:

      OK or NG

      		 OK: Possible to perform "Control the EGR Step Position" Active Test -
      Target Booster Pressure

      Target booster pressure:

      Min.: 0 kPa, Max.: 320 kPa

      		 - -
      Boost Pressure Deviation

      Boost pressure deviation:

      Min.: -320 kPa, Max.: 320 kPa

      		 - -
      VN Turbo Command

      VN turbo command:

      Min.: -128%, Max.: 127%

      		 - -
      Actual VN Position

      VN position:

      Min.: 0%, Max.: 127%

      		 0 to 90% -
      VN Turbo Type

      VN turbo type:

      Not Avl, Commo, Vacuum or CAN Com

      		 CAN Com -
      VN Turbo Max Angle

      VN turbo maximum angle:

      Min.: 0%, Max.: 99.6%

      		 100% -
      VN Turbo Min Angle

      VN turbo minimum angle:

      Min.: 0%, Max.: 99.6%

      		 7.5% -
      VN Turbo Operation Prohibit

      VN turbo operation prohibition:

      OK or NG

      		 OK: The Test the Turbo Charger Step Motor and Activate VN Turbo Open Active Test can be performed. -
      Exhaust Temperature B1S1

      Exhaust gas temperature sensor for sensor 1 (B1S1):

      Min.: -40°C, Max.: 1000°C

      Idling: 50 to 150°C (122 to 302°F)

      Idling after driving: 80 to 400°C (176 to 752°F)

      If -40°C (-40°F), sensor circuit is open

      If 1000°C (1832°F), sensor circuit is shorted
      Exhaust Temperature B1S2

      Exhaust gas temperature sensor for sensor 2 (B1S2):

      Min.: -40°C, Max.: 1000°C

      Idling: 50 to 150°C (122 to 302°F)

      Idling after driving: 80 to 400°C (176 to 752°F)

      If -40°C (-40°F), sensor circuit is open

      If 1000°C (1832°F), sensor circuit is shorted
      DPF Differential Pressure

      DPF differential pressure:

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

      		 Ignition switch ON: Approximately 0 kPa -
      Catalyst Differential Press

      Amount of clogging in catalyst:

      Min.: -3.9998 Max.: 3.9998

      		 - -
      Diff. Press. Sensor Corr.

      Differential pressure correction:

      Min.: -10 kPa, Max.: 245.9 kPa

      		 Idling: -1.5 to 1.5 kPa -
      DPF PM Block

      DPF particulate matter (PM) Block:

      No Block or Blocked

      		 No Block -
      DPNR/DPF Status Reju (PM)

      Result of DPF catalyst regeneration (PM):

      Standby, Ready, Operate or Compl

      		 Operate: DPF catalyst regeneration operate -
      PM Accumulation Ratio

      PM accumulation ratio:

      Min.: 0%, Max.: 510%

      		 - -
      Catalyst Regeneration Switch

      DPF switch status:

      ON or OFF

      		 ON: DPF switch on -
      Exhaust Brake Switch

      Exhaust brake main switch status:

      ON or OFF

      		 ON: Exhaust brake main switch ON -
      Starter Signal

      Starter signal:

      ON or OFF

      		 ON: Cranking -
      Starter Stop Relay

      Starter stop relay status:

      ON or OFF

      • OFF: Ignition switch ON

      • ON: Engine running

      		 -
      IG SW

      Ignition switch status:

      ON or OFF

      • ON: Ignition switch ON

      • OFF: Ignition switch not ON

      		 -
      Neutral Position SW Signal

      Neutral position switch status:

      ON or OFF

      		 ON -
      Clutch Switch

      Exhaust retarder switch (clutch pedal) status:

      ON or OFF

      		 ON: Clutch pedal depressed -
      Reverse Switch

      Reverse switch status:

      ON or OFF

      ON: Shift lever in reverse

      OFF: Shift lever not in reverse

      		 -
      Stop Light Switch

      Stop light switch status:

      ON or OFF

      • ON: Brake pedal depressed

      • OFF: Brake pedal released

      		 -
      A/C Signal

      Air conditioning signal:

      ON or OFF

      		 ON: Air conditioning operating Air conditioning compressor operation signal is displayed
      Engine Stop SW

      Engine stop switch status:

      ON or OFF

      		 ON: Engine stop required Request from equipped parts
      Immobiliser Communication

      Immobiliser communication:

      ON or OFF

      • ON: Normal

      • OFF: Engine cannot be started due to immobiliser communication malfunction

      		 -
      Engine Oil Pressure SW

      Engine oil pressure switch status:

      ON or OFF

      • ON: Engine stopped, ignition switch ON

      • OFF: Engine running

      		 -
      Check Mode

      Check mode:

      ON or OFF

      		 ON: Check mode on

      Click here

      SPD Test Result

      Check mode result for vehicle speed sensor:

      Compl or Incmpl

      		 Compl -
      Complete Parts Monitor

      Comprehensive component monitor:

      Not Avl or Avail

      		 - -
      Fuel System Monitor

      Fuel system monitor:

      Not Avl or Avail

      		 - -
      Misfire Monitor

      Misfire monitor:

      Not Avl or Avail

      		 - -
      EGR/VVT Monitor

      EGR/VVT monitor:

      Not Avl or Avail

      		 - -
      EGR/VVT Monitor

      EGR/VVT monitor:

      Compl or Incmpl

      		 - -
      O2S (A/FS) Heater Monitor

      O2S (A/FS) heater monitor:

      Not Avl or Avail

      		 - -
      O2S (A/FS) Heater Monitor

      O2S (A/FS) heater monitor:

      Compl or Incmpl

      		 - -
      O2S (A/FS) Monitor

      O2S (A/FS) monitor:

      Not Avl or Avail

      		 - -
      O2S (A/FS) Monitor

      O2S (A/FS) monitor:

      Compl or Incmpl

      		 - -
      A/C Monitor

      Air conditioning monitor:

      Not Avl or Avail

      		 - -
      A/C Monitor

      Air conditioning monitor:

      Compl or Incmpl

      		 - -
      2nd Air Monitor

      2nd air monitor:

      Not Avl or Avail

      		 - -
      2nd Air Monitor

      2nd air monitor:

      Compl or Incmpl

      		 - -
      EVAP Monitor

      EVAP monitor:

      Not Avl or Avail

      		 - -
      EVAP Monitor

      EVAP monitor:

      Compl or Incmpl

      		 - -
      Heated Catalyst Monitor

      Heated catalyst monitor:

      Not Avl or Avail

      		 - -
      Heated Catalyst Monitor

      Heated catalyst monitor:

      Compl or Incmpl

      		 - -
      Catalyst Monitor

      Catalyst monitor:

      Not Avl or Avail

      		 - -
      Catalyst Monitor

      Catalyst monitor:

      Compl or Incmpl

      		 - -
      # Codes (Include History)

      Number of codes:

      Min.: 0, Max.: 255

      		 - Number of detected DTCs
      MIL

      MIL status:

      ON or OFF

      		 OFF: MIL OFF, engine running -
      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 min, Max.: 65535 min

      		 Equivalent to running time after MIL was on -
      Time After DTC Cleared

      Time after DTC cleared:

      Min.: 0 min, Max.: 65535 min

      		 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
      Number of Emission DTC Number of emission DTC - -
      TC and TE1

      TC and TE1 terminal of DLC3:

      ON or OFF

      		 ON: Terminal TC connected to ground -
      Engine Start Time

      Engine start time:

      Min.: 0 ms, Max.: 267000 ms

      		 - Time necessary for the engine to start.
      Engine Speed (Starter Off)

      Engine speed when starter off:

      Min.: 0 rpm, Max.: 1593 rpm

      		 - -
      Starter Count

      Starter on count:

      Min.: 0, Max.: 255

      		 - -
      Run Dist of Previous Trip

      Distance driven during previous trip:

      Min.: 0 km, Max.: 326 km

      		 - -
      Glow Request Lighting Time

      Glow Request Lighting Time:

      Min.: 0 ms, Max.: 33423 ms

      		 -

      • By comparing Glow Request Lighting Time to IG-ON Time, the operation state (whether the engine was started, etc.) can be determined.

      • If the malfunction occurred when starting a cold engine at 0°C (32°F) or less, this item is useful in determining whether the engine was started after the glow plug indicator lights turned off.
      IG-ON Time

      IG-ON Time:

      Min.: 0 ms, Max.: 33423 ms

      		 -

      • By comparing Glow Request Lighting Time to IG-ON Time, the operation state (whether the engine was started, etc.) can be determined.

      • If the malfunction occurred when starting a cold engine at 0°C (32°F) or less, this item is useful in determining whether the engine was started after the glow plug indicator lights turned off.
      MAF Low

      Status of MAF Low:

      ON or OFF

      		 OFF -
      Boost Pressure Low

      Status of the Boost Pressure Low:

      ON or OFF

      		 OFF -
      Common Rail Pressure Low

      Status of the Common Rail Pressure Low:

      ON or OFF

      		 OFF -
      Engine Coolant Temp High

      Status of the Engine Coolant Temp High:

      ON or OFF

      		 OFF -
      MAF/Estimate MAF Ratio

      Ratio of intake air amount to estimated intake air amount:

      Min.: 0, Max.: 2.55

      		 - -
      Immobiliser Fuel Cut History

      Immobiliser fuel cut history:

      ON or OFF

      		 OFF -
      PTO Switch

      Power take-off switch status:

      ON or OFF

      		 ON: Power take-off operate -
      PTO Switch for Fire Engine

      Power take-off switch status:

      ON or OFF

      		 - Unused
      ACT VSV

      Air conditioning cut signal:

      ON or OFF

      		 OFF: Idling -
      Model Code Model code - Identifying model code: XZU##
      Engine Type Engine type - Identifying engine type: N04CUS
      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: 20##
      System Identification Identifying engine system - Identifying engine system: Diesel
      Target Engine Speed

      Target engine speed:

      Min.: 0 rpm, Max.: 5000 rpm

      		 Idling: 600 to 700 rpm -
      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

      Injection or supply pump assembly control mode:

      PCV power stop, DUTY ratio fixed, Normal Condition, IG OFF or Pump STOP

      		 - -
      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 -
      Clogged Catalyst Warning

      Clogged catalyst warning status:

      SAFE, Danger or Warning

      		 SAFE -
      Catalyst Deteriorate

      DPF catalyst deteriorate:

      ON or OFF

      		 OFF -
      Exhaust Fuel Addition

      Exhaust fuel addition malfunction:

      ON or OFF

      		 OFF -
      DPF Mode

      DPF mode:

      Undef, Normal, N/EGR, Warm, Warm/Idl, PM, PM/Idl or Dchg

      		 Normal -
      Injection Pump Learning Status

      Injection pump learning status:

      Compl or Incmpl

      		 Compl -
      VN Turbo Valve Position

      Turbocharger opening value:

      Min.: 0% Max.: 100%

      		 - -
      PCV Open Duty

      Suction control valve open duty:

      Min.: 0% Max.: 100%

      		 - -
      PCV Open Current FB Val

      Suction control valve open current feedback volume:

      Min.: -6000 mA, Max.: 6000 mA

      		 - -
      Warning for Water in Fuel ON or OFF OFF: Water not detected in fuel Output value of water level warning switch located in fuel filter is displayed
      Engine Overspeed History

      Engine overspeed history:

      ON or OFF

      		 OFF -
      Accel Sensor Position

      Accel sensor position (for power take-off):

      Min.: 0% Max.: 100%

      		 - Accelerator bellcrank assembly position calculated by ECM
      Accel Sensor Voltage

      Accel sensor voltage (for power take-off):

      Min.: 0 V, Max.: 4.98 V

      		 0.6 to 3.7 V For vehicles with power take-off
      Idle Stop Permit ON or OFF - Unused

      Tech Tips

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

  2. PERFORM ACTIVE TEST

    Tech Tips

    Using the intelligent tester to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.


    1. Warm up the engine.

    2. Turn the ignition switch off.

    3. Replace the normal DLC3 cable (12 V specification) for the intelligent tester with the 24 V DLC3 cable.

      Note

      Be sure to use the 24 V DLC3 cable when connecting the intelligent tester to the DLC3. Using the normal DLC3 cable (12 V specification) will cause damage to the tester.

    4. Connect the intelligent tester to the DLC3.

    5. Turn the ignition switch to ON.

    6. Turn the tester on.

    7. Enter the following menus: Powertrain / Engine and ECT / Active Test.

    8. According to the display on the tester, perform the "Active Test".

      Tester Display Test Part Control Range Diagnostic Notes
      Control the A/C Cut Signal Control the air conditioning cut signal ON or OFF

      Test possible when following conditions met:


      • Ignition switch ON

      • Engine stopped
      Connect the TC and TE1 Turn on TC and TE1 connection ON or OFF -
      Control the EGR Step Position Control the EGR valve step position 0 to 100%

      Test possible when following conditions met:


      • Ignition switch ON

      • Engine stopped
      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 or OFF

      Test possible when following conditions met:


      • Warm up the engine

      • Engine idling
      Diesel Throttle Target Angle Control the diesel throttle valve 0 to 90%

      Test is possible when the following conditions are met:


      • Ignition switch ON

      • Engine stopped

      • Shift lever in neutral
      Test the Turbo Charger Step Motor Control the turbocharger actuator 40 to 100% -
      Test the Fuel Leak Pressurizes common rail internal fuel pressure, and checks for fuel leaks Stop or Start

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

      • Above conditions preserved while test is Start
      Activate the VN Turbo Open Activate the turbocharger Open or OFF

      Test possible when following conditions met:


      • Engine warmed up

      • Engine is running
      Activate the EGR Valve Close Activate the EGR valve assembly Close or OFF

      Test is possible when the following conditions are met:


      • Warm up the engine

      • Engine is idling

      • Shift lever in neutral
      Control the Cylinder#1 Fuel Cut Cut off fuel injection from No. 1 injector assembly ON or OFF

      Fuel injection is stopped while the test is ON.


      • Confirm that the vehicle is stopped and the engine is idling.

      • If the running condition of the engine does not worsen even though injection of the designated cylinder is stopped, the cylinder can be confirmed to be malfunctioning.
      Control the Cylinder#2 Fuel Cut Cut off fuel injection from No. 2 injector assembly ON or OFF

      Fuel injection is stopped while the test is ON.


      • Confirm that the vehicle is stopped and the engine is idling.

      • If the running condition of the engine does not worsen even though injection of the designated cylinder is stopped, the cylinder can be confirmed to be malfunctioning.
      Control the Cylinder#3 Fuel Cut Cut off fuel injection from No. 3 injector assembly ON or OFF

      Fuel injection is stopped while the test is ON.


      • Confirm that the vehicle is stopped and the engine is idling.

      • If the running condition of the engine does not worsen even though injection of the designated cylinder is stopped, the cylinder can be confirmed to be malfunctioning.
      Control the Cylinder#4 Fuel Cut Cut off fuel injection from No. 4 injector assembly ON or OFF

      Fuel injection is stopped while the test is ON.


      • Confirm that the vehicle is stopped and the engine is idling.

      • If the running condition of the engine does not worsen even though injection of the designated cylinder is stopped, the cylinder can be confirmed to be malfunctioning.
      Activate the VSV for Exhaust Brake Activate the solenoid valve for exhaust brake ON or OFF -