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Nexon Gasoline – EMS ECU Bosch
DTC Troubleshooting Manual
Version: 0.1
Date: 26-08-2017
Prepared By: Sunu S Babu/Yogesh Jadhav
Checked By: Yeshwant Jadhav
Approved By: Satish Kumar
Document Part No: 2921 02 224 A1736
Page: 372 of 1203
Copyright ©
TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
DTC’s confirmation:-
After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before
handing over to customer.
1. Boost pressure value reads by the ECU is = Atmospheric pressure at ignition key is on.
2. Boost pressure value reads by the ECU is < Atmospheric pressure when the engine is at idle.
3. Boost pressure value reads by the ECU is > Atmospheric pressure when the engine is at fly-up.
Flow Chart:-