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ENGINE
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DIAGNOSTIC USER MANUAL
GENERAL
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 in 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.
SALIENT FEATURES
The Diagnostic Tester software for ARIA EMS is capable to communicate with ECU in the vehicle through
Serial K-Line Interface. The tester comprises of an Interface Unit and custom built application software. The
user friendly application software can be easily installed on Windows Desktop or Laptop.
The interface unit is lightweight and compact in size to facilitate easy portability. It works on vehicle battery
supply.
The tester application executes all the commands supported by EMS ECU, which helps in diagnosis of EMS
ECU.
Following services are provided by the Diagnostic Tester application:
•
Read ECU Identification data, Manufacturing Information
•
Read Engine Frame data
•
Reading and clearing DTCs
•
Read and Write Injector values
•
Perform Leak Detection and Actuator Tests
•
Pair EMS ECU to Immobilizer ECU
NOTE
For fault code details and troubleshooting refer Book 3 (A3 Book).