OSPREY- Application
DTC Troubleshooting Data
Version: 4.0
Date: 10-02-2017
Prepared by: Mithipati Prasad
Checked by: G S Raju / Senthilnathan S
Page: 342 of 654
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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:
Step Checks
IF YES
IF NO
1.
Check whether the EMS ECU is getting power supply and
GND
Go to step 2
Rectify wiring
Harness as per the
schematic if found
faulty
2. Are there any pins damaged at EMS ECU Connector
Replace the
connector or wiring
harness
Go to step 3
3
Are there any pins backed out from the EMS ECU
Connector
Rectify/Replace
Connectors
Go to Step 4
4
Fault Still Persists?
Fault still persists
then Replace EMS
ECU
Follow the steps
again for
reconfirmation
DTC’s confirmation (checks before handing over vehicle to customer):
After rectification ensure the following before handing over to customer.
x
Clear the errors & confirm that no any errors present in ECU




