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Diagnostic Manual
GETTING STARTEDWITH
TML DIAGNOSTIC SOFTWARE
5
GETTING STARTED WITH TML DIAGNOSTIC SOFTWARE
The Diagnostic software is capable to communicate with various ECUs in the vehicle through Serial
K-Line or CAN Interface. The diagnostic tool comprises of a vehicle Interface Unit and custom built
application software. The user friendly application software can be easily installed onWindows Desktop
or Laptop. The vehicle communication interface unit is lightweight and compact in size to facilitate
easy portability. It works on vehicle battery supply.
Following electronic control units are used in
TATAMOTORS
Vehicle’s presently.
5a.Engine Management System (EMS) :
EMS ECU is the heart of the vehicle. EMS stands for “Engine Management System” and as the name
indicates it records all engine related data of the vehicle. Through EMS ECU various activities such
as Leak Detection, Actuators Test can be performed in the vehicle. In the improved anti theft
mechanism EMS ECU is paired with Immobilizer ECU.
The tester application executes all the commands supported by EMS ECU, which helps in diagnosis
of EMS ECU.
Salient Features
Following services are provided by the Diagnostic Tester application:
1. Read ECU Identification data, Manufacturing Information.
2. Read Engine Frame data.
3. Reading and clearing DTCs.
4. Read and Write Injector values.
5. Perform Leak Detection and Actuator Tests.
6. Pair EMS ECU to Immobilizer ECU.