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Q501 4 Cylinder MT Application
DTC Troubleshooting Data
Version: 0.1
Date: 21-Sep-2018
Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta
Checked By: Yogesh Jadhav
Approved By: Satish Kumar P
Page: 638 of 1052
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
Run the EGR High Pressure DC Motor Test Routine. Is the
Routine Result – OK?
Go to Next Step
Rectify the wiring
Harness
connections
between EGR
Valve and EMS
ECU. Repeat the
Routine Test again.
If the Routine result
is negative, then
call hotline for
confirmation to
replace EGR valve.
2
Check for mechanical damage / Blockages in EGR Valve
Remove the
blockages. If found
damaged then call
hotline to confirm
EGR valve
replacement.
Go to Next Step.
3
Fault Persists
call hotline to
confirm EGR valve
replacement.
Go to next step
4
Fault Persists.
Call Hotline
Repeat the above
steps for re-
confirmation
DTC’s confirmation:
After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM.
Incase EGR valve is needed to be replaced, then open the Component Replacement Tab and execute below routines:
“EGR high pressure offset reset and activation of the learning ($ 02 0F)”
“EGR High Pressure DC Motor Test
Circuit Schematic: