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100-002   Engine Diagrams

ECM Dataplate

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The external ECM dataplate is located on top of the ECM.
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The dataplate contains the ECM part number (P/N), the ECM serial number
(S/N), the manufacturing date code (D/C), the engine serial number (ESN), and the ECM code.

NOTE: U.K. engines also have a software calibration (SC) code and a governor type
(GOV) shown on the dataplate.
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Engine Views

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L10 Engine

 

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Exhaust Side

    1. Compuchek® adapter water pump inlet pressure
    2. Compuchek® adapter after charge air cooler
    3. Provision for fanstat
    4. Provision for shutterstat
    5. Coolant temperature sensor (thermostat support)
    6. Shutterstat
    7. Fan sensor
    8. Engine vent (coolant)
    9. Heater return
    10. Makeup line from radiator
    11. Compuchek® adapter water pump pressure
    12. Coolant inlet
    13. Compuchek® adapter oil pressure before filter

 

  1. Jacobs® engine brake oil supply
  2. Oil drain
  3. Provision for oil pan sump heater
  4. Compuchek® adapter oil pressure after filter
  5. Provision for coolant heater
  6. Compuchek® adapter block pressure
  7. Heater supply
  8. Coolant temperature pickup
  9. Boost pressure sensor
  10. Boost temperature sensor
  11. Compuchek® adapter before charge air cooler
  12. Provision for ether hookup.

L10 Engine

 

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Fuel Pump Side

    1. Ambient air pressure sensor
    2. Electronic control module
    3. Fuel return to tank
    4. Engine serial number
    5. Oil temperature sensor (under ECM)
    6. Oil pressure sensor (behind sensor harness)
    7. Fuel inlet
    8. Starter
    9. Compuchek® adapter flywheel ring gear sensor
    10. Side oil drain
    11. Compuchek® adapter fuel vacuum

 

  1. Fuel filter
  2. Fuel pump
  3. Compuchek® adapter fuel rail pressure
  4. Provision for power steering pump
  5. Compuchek® adapter oil rifle pressure
  6. Compuchek® adapter oil temperature
  7. Engine position sensor
  8. Freon compressor manufacturer location
  9. Compressor air discharge
  10. Engine dataplate
  11. Compuchek® adapter blowby measurement.

M11 Engine

 

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Exhaust Side

    1. Compuchek® adapter before charge air cooler
    2. Compuchek® adapter after charge air cooler
    3. Provision for fanstat
    4. Provision for shutterstat
    5. Coolant temperature sensor
    6. Shutterstat
    7. Fan sensor
    8. Engine vent (coolant)
    9. Heater return
    10. Compuchek® adapter water pump inlet pressure
    11. Makeup line from radiator
    12. Compuchek® adapter water pump pressure
    13. Coolant inlet

 

  1. Jacobs engine brake oil supply
  2. Oil drain
  3. Provision for oil pan sump heater
  4. Compuchek® adapter oil pressure after filter
  5. Compuchek® adapter oil pressure before filter
  6. Compuchek® adapter block pressure
  7. Provision for coolant heater
  8. Heater supply
  9. Coolant temperature pickup
  10. Boost pressure sensor
  11. Boost temperature sensor
  12. Provision for ether hookup.

M11 Engine

 

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Fuel Pump Side

    1. Ambient air pressure sensor
    2. Electronic control module (ECM)
    3. Fuel return to tank
    4. Engine serial number
    5. Oil temperature sensor (under ECM)
    6. Oil pressure sensor (behind sensor harness)
    7. Fuel inlet
    8. Starter
    9. Compuchek® adapter flywheel ring gear sensor
    10. Side oil drain
    11. Compuchek® adapter fuel vacuum

 

  1. Fuel filter
  2. Fuel pump
  3. Compuchek® adapter fuel rail pressure
  4. Provision for power steering pump
  5. Compuchek® adapter oil rifle pressure
  6. Compuchek® adapter oil temperature
  7. Engine position sensor
  8. Freon compressor manufacturer location
  9. Compressor air discharge
  10. Engine dataplate
  11. Compuchek® adapter blowby measurement.

N14 Engine

 

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Exhaust Side

    1. Compuchek® adapter coolant temperature
    2. Coolant temperature sensor
    3. Engine water outlet (to radiator)
    4. Thermostat housing
    5. Compuchek® adapter water pump inlet pressure
    6. Oil cooler
    7. Remote filter bypass supply
    8. Engine water inlet (from radiator)
    9. Coolant filter

 

  1. Oil drain
  2. Combination full-flow/bypass lubricating oil filter
  3. Compuchek® adapter flywheel ring gear sensor
  4. Dipstick
  5. Piston cooling nozzle
  6. Compuchek® adapter block pressure
  7. Exhaust manifold
  8. Turbocharger
  9. Compuchek® adapter cycle event marker.

N14 Engine

 

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Intake Side

    1. Compuchek® adapter intake manifold pressure (from charge air cooler)
    2. Intake air temperature sensor
    3. Intake manifold
    4. Intake manifold pressure sensor
    5. Fuel return to tank
    6. Electronic control module (ECM)
    7. Ambient air pressure sensor (when required)
    8. Fuel inlet fitting
    9. Starting motor
    10. Compuchek® adapter oil rifle pressure
    11. Lubricating oil pressure sensor

 

  1. Fuel filter
  2. Compuchek® adapter fuel inlet pressure
  3. Fuel gear pump
  4. Lubricating oil pump
  5. Lubricating oil temperature sensor
  6. Engine position sensor (behind lubricating oil pump)
  7. Air compressor
  8. Compuchek® adapter oil temperature
  9. Compuchek® adapter fuel rail pressure
  10. Compressor air discharge.

 

Wiring Diagram

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Last Modified:  10-Feb-2003
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Published by Jack

Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.