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OSPREY- Application
DTC Troubleshooting Data
Version: 4.0
Date: 10-02-2017
Prepared by: Mithipati Prasad
Checked by: G S Raju / Senthilnathan S
Page: 590 of 654
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:
Step Checks
IF YES
IF NO
1 Check continuity between ECU and Fuel Filter clog sensor
as per circuit schematic. Any issue found?
Follow electrical
continuity check
procedure.
Replace/rectify
harness if required
Go to Next Step
2. Are there any pins damaged at EMS ECU Connector
Replace the
connector or wiring
harness
Go to Next Step
3
Are there any pins backed out from the EMS ECU
Connector
Rectify/Replace
Connectors
Go to Next Step
4
Check whether the EMS ECU pin 51 is short circuited to
Battery / Ground
if problem identified
replace the AMF
sensor also rectify
the wiring harness.
Go to Next Step
5
Check for blockages / leaks in Low Pressure fuel circuit
Rectify/Replace
Go to Next Step
6
Check whether the fuel filter is clogged
Rectify/replace
Go to Next Step
7
Fault Still Persists?
If Fault still persists
then call hotline
Follow the steps
again for
reconfirmation
DTC’s confirmation (checks before handing over vehicle to customer):
x
Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also
x
If error present, then rectify the errors.
x
Confirm that there is no error logged in EMS before handing over vehicle to customer.