Important Notice

Diesel Ecu Transtron M5.2.2 Isuzu N1R

DiPa Code:
EDM522R
OEM Code:
4JJ1E5LA
Brand:
DIPA SPORT
Condition:
Remanufactured
Engine Control Unit
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Applications
ISUZU
ISUZU N (5th Generation)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
N (5th Generation) 2003-01-01 - 2005-08-01 4751 cc 127 KW 173 HP 4 Cylinders Diesel 4HE1-XS
N (5th Generation) 2003-01-01 - 2005-08-01 4751 cc 103 KW 140 HP 4 Cylinders Diesel 4HE1-XN
N (5th Generation) 2003-10-01 - 4334 cc 88 KW 120 HP 4 Cylinders Diesel 4HF1
N (5th Generation) 2004-01-01 - 2005-12-01 4334 cc 88 KW 120 HP 4 Cylinders Diesel 4HF1
N (5th Generation) 2005-10-01 - 2999 cc 96 KW 131 HP 4 Cylinders Diesel 4JH1-X
N (5th Generation) 2005-10-01 - 5193 cc 117 KW 159 HP 4 Cylinders Diesel 4HK1-XS
N (5th Generation) 2005-10-01 - 5193 cc 129 KW 175 HP 4 Cylinders Diesel 4HK1-XS
N (5th Generation) 2005-10-01 - 5193 cc 110 KW 150 HP 4 Cylinders Diesel 4HK1-XN
N (5th Generation) 2008-09-01 - 2999 cc 110 KW 150 HP 4 Cylinders Diesel 4JJ1-TCS
N (5th Generation) 2008-09-01 - 2771 cc 67 KW 91 HP 4 Cylinders Diesel 4JB1-TC
N (5th Generation) 2008-09-01 - 5193 cc 110 KW 150 HP 4 Cylinders Diesel 4HK1-TCN
ISUZU N (6th Generation)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
N (6th Generation) 2006-10-01 - 2999 cc 110 KW 150 HP 4 Cylinders Diesel 4JJ1-TC
N (6th Generation) 2006-10-01 - 2999 cc 110 KW 150 HP 4 Cylinders Diesel 4JJ1-X
N (6th Generation) 2006-10-01 - 5193 cc 140 KW 190 HP 4 Cylinders Diesel 4HK1-XS
N (6th Generation) 2006-10-01 - 5193 cc 140 KW 190 HP 4 Cylinders Diesel 4HK1-TC
N (6th Generation) 2006-12-01 - 4570 cc 92 KW 125 HP 4 Cylinders Diesel 4HG1
N (6th Generation) 2007-11-01 - 2999 cc 110 KW 150 HP 4 Cylinders Diesel 4JJ1-TCS
N (6th Generation) 2008-01-01 - 2999 cc 96 KW 131 HP 4 Cylinders Diesel 4JJ1-TC
N (6th Generation) 2008-09-01 - 4751 cc 103 KW 140 HP 4 Cylinders Diesel 4HE1-XN
N (6th Generation) 2008-09-01 - 5193 cc 110 KW 150 HP 4 Cylinders Diesel 4HK1-TCN
N (6th Generation) 2010-01-01 - 4334 cc 88 KW 120 HP 4 Cylinders Diesel 4HF1
N (6th Generation) 2010-01-01 - 2771 cc 59 KW 80 HP 4 Cylinders Diesel 4JB1
N (6th Generation) 2010-11-01 - 2015-06-01 2999 cc 110 KW 150 HP 4 Cylinders Diesel 4JJ1-TCS
N (6th Generation) 2011-01-01 - 4334 cc 88 KW 120 HP 4 Cylinders Diesel 4HF1
N (6th Generation) 2012-01-01 - 2771 cc 74 KW 101 HP 4 Cylinders Diesel 4JB1
N (6th Generation) 2014-01-01 - 2999 cc 96 KW 131 HP 4 Cylinders Diesel 4JJ1-TC
N (6th Generation) 2014-01-01 - 5193 cc 110 KW 150 HP 4 Cylinders Diesel 4HK1-TC
N (6th Generation) 2014-01-01 - 2771 cc 74 KW 101 HP 4 Cylinders Diesel 4JB1-TC
N (6th Generation) 2014-01-01 - 4570 cc 92 KW 125 HP 4 Cylinders Diesel 4HG1
N (6th Generation) 2015-01-01 - 4334 cc 88 KW 120 HP 4 Cylinders Diesel 4HF1
N (6th Generation) 2015-07-01 - 5193 cc 114 KW 155 HP 4 Cylinders Diesel 4HK1-TCN
N (6th Generation) 2015-07-01 - 5193 cc 140 KW 190 HP 4 Cylinders Diesel 4HK1-TCC
N (6th Generation) 2015-07-01 - 2999 cc 110 KW 150 HP 4 Cylinders Diesel 4JJ1-TCS
N (6th Generation) 2017-01-01 - 4778 cc 99 KW 135 HP 4 Cylinders Diesel 4HL1-TC
N (6th Generation) 2017-07-01 - 1898 cc 90 KW 122 HP 4 Cylinders Diesel RZ4EE6N
N (6th Generation) 2017-07-01 - 1898 cc 90 KW 122 HP 4 Cylinders Diesel RZ4E-TC
Techinical Info

The code 4JJ1E5LA is the engine management unit (ECU) ISUZU that equips N-series vehicles with three-liter common rail diesel engines. This control unit governs the entire engine operating cycle: it acquires signals from sensors, calculates injection quantities and timing in real time, manages torque strategies and protections, and communicates with the vehicle via the CAN network.

Technical specifications

  • Type: ECU engine management for diesel common rail systems.
  • Power supply: vehicle supply 12 V or 24 V depending on the electrical system and market.
  • Communication: CAN for data exchange with instrumentation and vehicle modules, as well as diagnostics.
  • Diagnostics: management of fail-safe strategies and modes with torque limitations.
  • Drivers and interfaces: sensor inputs and controlled outputs for engine system actuators.

Functions

  • Rail pressure management and consistency control between requested and actual pressure.
  • Injector control with strategies for quantity, timing advance and corrections based on load, RPM and operating conditions.
  • Air management and consistency checks of MAF/MAP signals for air mass calculation and protections.
  • EGR management when specified by the configuration, with plausibility monitoring and protective interventions.
  • Torque limiting strategies and power reduction in case of anomalies (fuel, air, temperatures, critical sensors).
  • Management of start permission and safety conditions (enablings, locks, recovery) based on signals and network.
  • Fault memory and adaptive parameter management, with reset/protection logic in case of power instability.

Model applications

  • ISUZU N-series

Typical faults

  • The engine does not start or starts intermittently.
  • Sudden shutdowns or repeated activation of recovery mode.
  • The control unit does not communicate with the diagnostic tool.

Final conclusions

The control unit identified as ISUZU 4JJ1E5LA is an ECM associated with 3.0-liter common rail engines on N-series applications.

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