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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: 779 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.
Trouble Shooting:-
1.
The possibility of this DTC exists incase EMS ecu is
replaced.
Follow the steps as
per the part
replacement
procedure provided
in diagnostic tool.
Go to next step
2.
Are there any other faults related to Immo / CAN
communication / EMS ecu
Rectify them by
following their
rectification
procedure
Go to next step
3
Fault still persists?
Repeat the above
procedure for fault
rectification.
Fault still persists
then contact the
service technician
Handover the
vehicle to the
customer.
DTC’s confirmation:-
After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before
handing over to customer.
Recheck the fault using TML Diagnostic tool, Fault shall not appear.
Turn the Ignition ON, Immo lamp shall get turned OFF.
Clear the DTC’s in EMS & Immo and Crank the vehicle, vehicle shall start and Immo lamp shall turn OFF at ignition
On condition