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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: 632 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.
connector or wiring
harness
3
Are there any pins backed out from the EMS ECU
Connector
Rectify/Replace
Connectors
Go to Next Step
4
Check whether any of the Exhaust temperature sensor
(T3/T4/T5/T6 Sensor) pins - K047, K050, A056, A055,
A075, A074, A013, A012 are short-circuited to Battery /
Ground.
Rectify the wiring
Harness
Connections
Go to Next Step.
5
Dis-connect each Exhaust temperature sensor
(T3/T4/T5/T6 Sensor) from vehicle and check as below. At
25 degrees of ambient temperature, measure the
resistance across the sensor, it shall be ~ 220 Ohms.
Go to next step
Call Hotline for
assistance in
deciding whether
any of the exhaust
temperature sensor
has to be replaced.
6
Fault Persists.
Call Hotline for
assistance in
deciding whether
any of the exhaust
temperature sensor
has to be replaced.
Go to next step
7
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.
Circuit Schematic:
T6 Sensor: